top physics as a new physics windowreuter/downloads/jrr_2018_frauenchiems...j.r.reuter top physics...
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J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40
Jürgen R. Reuter, DESY
Top physics as a New Physics Window
1
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 2
HIGGS TOP BSM
e+ e- physics
The Pillars of Lepton Physics
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 2
HIGGS TOP BSM
e+ e- physics
The Pillars of Lepton Physics
Electroweak vacuum & excitations:
HIGGS
TOP
(note: plot under assumptions of NO additional )BSM
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 2The Pillars of Lepton Physics
Electroweak vacuum & excitations:
HIGGS
TOP
(note: plot under assumptions of NO additional )BSM
Top Physics Programme
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 3
THE TOP IS A TOP MOTIVATION
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 4The Top Quark
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 5Top Interactions — in the Standard ModelElectromagnetic coupling to the photon:
Qt =2
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J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 5Top Interactions — in the Standard Model
QCD color interaction to the gluon:
�a, 3<latexit sha1_base64="RRLjMIIcdTozL94O7/sCXMbjgkY=">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</latexit><latexit sha1_base64="RRLjMIIcdTozL94O7/sCXMbjgkY=">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</latexit><latexit sha1_base64="RRLjMIIcdTozL94O7/sCXMbjgkY=">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</latexit><latexit sha1_base64="RRLjMIIcdTozL94O7/sCXMbjgkY=">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</latexit>
Electromagnetic coupling to the photon:
Qt =2
3<latexit sha1_base64="upVMvueHoF4nx4N4d5MJ30+XfLc=">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</latexit><latexit sha1_base64="upVMvueHoF4nx4N4d5MJ30+XfLc=">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</latexit><latexit sha1_base64="upVMvueHoF4nx4N4d5MJ30+XfLc=">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</latexit><latexit sha1_base64="upVMvueHoF4nx4N4d5MJ30+XfLc=">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</latexit>
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 5Top Interactions — in the Standard Model
QCD color interaction to the gluon:
�a, 3<latexit sha1_base64="RRLjMIIcdTozL94O7/sCXMbjgkY=">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</latexit><latexit sha1_base64="RRLjMIIcdTozL94O7/sCXMbjgkY=">AAACH3icdVBNaxsxENWmTZu6Ses2x1xETaGUYCQHbIdcTHvp0YH4A7yumdXO2iJa7SJpC2bJP8klf6WXHlpCyc3/plp/QFvaB4LHezOjmRflSlrH2CrYe/R4/8nTg2e154dHL17WX70e2qwwAgciU5kZR2BRSY0DJ53CcW4Q0kjhKLr+WPmjL2iszPSVW+Y4TWGuZSIFOC/N6u0wwrnUJSg51+9vaqHyvTF8hlMaXoQXNEzBLaKkPPMW6nhXN6s3WJMxxjmnFeGdNvPk/Lzb4l3KK8ujQbboz+oPYZyJIkXthAJrJ5zlblqCcVIo9MMLizmIa5jjxFMNKdppub7vhr71SkyTzPinHV2rv3eUkFq7TCNfWa1r//Yq8V/epHBJd1pKnRcOtdh8lBSKuoxWYdFYGhROLT0BYaTflYoFGBDOR1rzIewupf8nw1aTsya/bDV6H7ZxHJAT8oa8I5x0SI98In0yIILckq/kO/kR3AXfgvvg56Z0L9j2HJM/EKx+ASV9omw=</latexit><latexit sha1_base64="RRLjMIIcdTozL94O7/sCXMbjgkY=">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</latexit><latexit sha1_base64="RRLjMIIcdTozL94O7/sCXMbjgkY=">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</latexit>
Electromagnetic coupling to the photon:
Qt =2
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Neutral current (NC) couplings to the Z:sin2 ✓W
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J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 5Top Interactions — in the Standard Model
QCD color interaction to the gluon:
�a, 3<latexit sha1_base64="RRLjMIIcdTozL94O7/sCXMbjgkY=">AAACH3icdVBNaxsxENWmTZu6Ses2x1xETaGUYCQHbIdcTHvp0YH4A7yumdXO2iJa7SJpC2bJP8klf6WXHlpCyc3/plp/QFvaB4LHezOjmRflSlrH2CrYe/R4/8nTg2e154dHL17WX70e2qwwAgciU5kZR2BRSY0DJ53CcW4Q0kjhKLr+WPmjL2iszPSVW+Y4TWGuZSIFOC/N6u0wwrnUJSg51+9vaqHyvTF8hlMaXoQXNEzBLaKkPPMW6nhXN6s3WJMxxjmnFeGdNvPk/Lzb4l3KK8ujQbboz+oPYZyJIkXthAJrJ5zlblqCcVIo9MMLizmIa5jjxFMNKdppub7vhr71SkyTzPinHV2rv3eUkFq7TCNfWa1r//Yq8V/epHBJd1pKnRcOtdh8lBSKuoxWYdFYGhROLT0BYaTflYoFGBDOR1rzIewupf8nw1aTsya/bDV6H7ZxHJAT8oa8I5x0SI98In0yIILckq/kO/kR3AXfgvvg56Z0L9j2HJM/EKx+ASV9omw=</latexit><latexit sha1_base64="RRLjMIIcdTozL94O7/sCXMbjgkY=">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</latexit><latexit sha1_base64="RRLjMIIcdTozL94O7/sCXMbjgkY=">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</latexit><latexit sha1_base64="RRLjMIIcdTozL94O7/sCXMbjgkY=">AAACH3icdVBNaxsxENWmTZu6Ses2x1xETaGUYCQHbIdcTHvp0YH4A7yumdXO2iJa7SJpC2bJP8klf6WXHlpCyc3/plp/QFvaB4LHezOjmRflSlrH2CrYe/R4/8nTg2e154dHL17WX70e2qwwAgciU5kZR2BRSY0DJ53CcW4Q0kjhKLr+WPmjL2iszPSVW+Y4TWGuZSIFOC/N6u0wwrnUJSg51+9vaqHyvTF8hlMaXoQXNEzBLaKkPPMW6nhXN6s3WJMxxjmnFeGdNvPk/Lzb4l3KK8ujQbboz+oPYZyJIkXthAJrJ5zlblqCcVIo9MMLizmIa5jjxFMNKdppub7vhr71SkyTzPinHV2rv3eUkFq7TCNfWa1r//Yq8V/epHBJd1pKnRcOtdh8lBSKuoxWYdFYGhROLT0BYaTflYoFGBDOR1rzIewupf8nw1aTsya/bDV6H7ZxHJAT8oa8I5x0SI98In0yIILckq/kO/kR3AXfgvvg56Z0L9j2HJM/EKx+ASV9omw=</latexit>
Electromagnetic coupling to the photon:
Qt =2
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Neutral current (NC) couplings to the Z:sin2 ✓W
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weak charges
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 5Top Interactions — in the Standard Model
QCD color interaction to the gluon:
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Electromagnetic coupling to the photon:
Qt =2
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Neutral current (NC) couplings to the Z:sin2 ✓W
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Charged current (CC) couplings to the W: Vtd, Vts, Vtb<latexit sha1_base64="OQ8Xkq94E7fNgz+e6EmJmWJgDsA=">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</latexit><latexit sha1_base64="OQ8Xkq94E7fNgz+e6EmJmWJgDsA=">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</latexit><latexit sha1_base64="OQ8Xkq94E7fNgz+e6EmJmWJgDsA=">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</latexit><latexit sha1_base64="OQ8Xkq94E7fNgz+e6EmJmWJgDsA=">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</latexit>
weak charges
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 5Top Interactions — in the Standard Model
QCD color interaction to the gluon:
�a, 3<latexit sha1_base64="RRLjMIIcdTozL94O7/sCXMbjgkY=">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</latexit><latexit sha1_base64="RRLjMIIcdTozL94O7/sCXMbjgkY=">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</latexit><latexit sha1_base64="RRLjMIIcdTozL94O7/sCXMbjgkY=">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</latexit><latexit sha1_base64="RRLjMIIcdTozL94O7/sCXMbjgkY=">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</latexit>
Electromagnetic coupling to the photon:
Qt =2
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Neutral current (NC) couplings to the Z:sin2 ✓W
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Charged current (CC) couplings to the W: Vtd, Vts, Vtb<latexit sha1_base64="OQ8Xkq94E7fNgz+e6EmJmWJgDsA=">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</latexit><latexit sha1_base64="OQ8Xkq94E7fNgz+e6EmJmWJgDsA=">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</latexit><latexit sha1_base64="OQ8Xkq94E7fNgz+e6EmJmWJgDsA=">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</latexit><latexit sha1_base64="OQ8Xkq94E7fNgz+e6EmJmWJgDsA=">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</latexit>
Yukawa coupling to the H:
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weak charges
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 5Top Interactions — in the Standard Model
QCD color interaction to the gluon:
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Electromagnetic coupling to the photon:
Qt =2
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Neutral current (NC) couplings to the Z:sin2 ✓W
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Charged current (CC) couplings to the W: Vtd, Vts, Vtb<latexit sha1_base64="OQ8Xkq94E7fNgz+e6EmJmWJgDsA=">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</latexit><latexit sha1_base64="OQ8Xkq94E7fNgz+e6EmJmWJgDsA=">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</latexit><latexit sha1_base64="OQ8Xkq94E7fNgz+e6EmJmWJgDsA=">AAACG3icdVDLSgMxFM34rPVVdekmWAQRKUkXtu5ENy4r2Cq0pWQyd2owkxmSjFCG+Q83/oobF4q4Elz4N2baCip6INzDOfcmucdPpDCWkA9vZnZufmGxtFReXlldW69sbHZMnGoObR7LWF/5zIAUCtpWWAlXiQYW+RIu/ZvTwr+8BW1ErC7sKIF+xIZKhIIz66RBpd7zYShUxqQYqv283BlkNsgPcFHNtPp5uQcq+OoZVKqkRgihlOKC0MYhceToqFmnTUwLy6GKpmgNKm+9IOZpBMpyyYzpUpLYfsa0FVyCuzw1kDB+w4bQdVSxCEw/G++W412nBDiMtTvK4rH6fSJjkTGjyHedEbPX5rdXiH953dSGzX4mVJJaUHzyUJhKbGNcBIUDoYFbOXKEcS3cXzG/Zppx6+IsuxC+NsX/k069RkmNnterxyfTOEpoG+2gPURRAx2jM9RCbcTRHXpAT+jZu/cevRfvddI6401nttAPeO+fB1WhaQ==</latexit><latexit sha1_base64="OQ8Xkq94E7fNgz+e6EmJmWJgDsA=">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</latexit>
Yukawa coupling to the H:
yt<latexit sha1_base64="YBXk0GqkQNAuOkHgZhvf2QqRvDU=">AAACCHicdVA9SwNBEN2LX/H8ilpauBgEsQi7KUzSBW0sFYwKuRD2NpNzcW/v2N0TwpHSxr9iY6GIrT/Bzn/jniagog8GHu/NMDMvTKUwlpB3rzQzOze/UF70l5ZXVtcq6xvnJsk0hw5PZKIvQ2ZACgUdK6yEy1QDi0MJF+H1UeFf3IA2IlFndpRCL2aREkPBmXVSv7IdhBAJlTMpIrU/9kd96wegBlOhX6mSGiGEUooLQhsHxJFWq1mnTUwLy6GKJjjpV96CQcKzGJTlkhnTpSS1vZxpK7iEsR9kBlLGr1kEXUcVi8H08s9HxnjXKQM8TLQrZfGn+n0iZ7Exozh0nTGzV+a3V4h/ed3MDpu9XKg0s6D416JhJrFNcJEKHggN3MqRI4xr4W7F/Ippxq3LznchTD/F/5Pzeo2SGj2tV9uHkzjKaAvtoD1EUQO10TE6QR3E0S26R4/oybvzHrxn7+WrteRNZjbRD3ivH7IYmcM=</latexit><latexit sha1_base64="YBXk0GqkQNAuOkHgZhvf2QqRvDU=">AAACCHicdVA9SwNBEN2LX/H8ilpauBgEsQi7KUzSBW0sFYwKuRD2NpNzcW/v2N0TwpHSxr9iY6GIrT/Bzn/jniagog8GHu/NMDMvTKUwlpB3rzQzOze/UF70l5ZXVtcq6xvnJsk0hw5PZKIvQ2ZACgUdK6yEy1QDi0MJF+H1UeFf3IA2IlFndpRCL2aREkPBmXVSv7IdhBAJlTMpIrU/9kd96wegBlOhX6mSGiGEUooLQhsHxJFWq1mnTUwLy6GKJjjpV96CQcKzGJTlkhnTpSS1vZxpK7iEsR9kBlLGr1kEXUcVi8H08s9HxnjXKQM8TLQrZfGn+n0iZ7Exozh0nTGzV+a3V4h/ed3MDpu9XKg0s6D416JhJrFNcJEKHggN3MqRI4xr4W7F/Ippxq3LznchTD/F/5Pzeo2SGj2tV9uHkzjKaAvtoD1EUQO10TE6QR3E0S26R4/oybvzHrxn7+WrteRNZjbRD3ivH7IYmcM=</latexit><latexit sha1_base64="YBXk0GqkQNAuOkHgZhvf2QqRvDU=">AAACCHicdVA9SwNBEN2LX/H8ilpauBgEsQi7KUzSBW0sFYwKuRD2NpNzcW/v2N0TwpHSxr9iY6GIrT/Bzn/jniagog8GHu/NMDMvTKUwlpB3rzQzOze/UF70l5ZXVtcq6xvnJsk0hw5PZKIvQ2ZACgUdK6yEy1QDi0MJF+H1UeFf3IA2IlFndpRCL2aREkPBmXVSv7IdhBAJlTMpIrU/9kd96wegBlOhX6mSGiGEUooLQhsHxJFWq1mnTUwLy6GKJjjpV96CQcKzGJTlkhnTpSS1vZxpK7iEsR9kBlLGr1kEXUcVi8H08s9HxnjXKQM8TLQrZfGn+n0iZ7Exozh0nTGzV+a3V4h/ed3MDpu9XKg0s6D416JhJrFNcJEKHggN3MqRI4xr4W7F/Ippxq3LznchTD/F/5Pzeo2SGj2tV9uHkzjKaAvtoD1EUQO10TE6QR3E0S26R4/oybvzHrxn7+WrteRNZjbRD3ivH7IYmcM=</latexit><latexit sha1_base64="YBXk0GqkQNAuOkHgZhvf2QqRvDU=">AAACCHicdVA9SwNBEN2LX/H8ilpauBgEsQi7KUzSBW0sFYwKuRD2NpNzcW/v2N0TwpHSxr9iY6GIrT/Bzn/jniagog8GHu/NMDMvTKUwlpB3rzQzOze/UF70l5ZXVtcq6xvnJsk0hw5PZKIvQ2ZACgUdK6yEy1QDi0MJF+H1UeFf3IA2IlFndpRCL2aREkPBmXVSv7IdhBAJlTMpIrU/9kd96wegBlOhX6mSGiGEUooLQhsHxJFWq1mnTUwLy6GKJjjpV96CQcKzGJTlkhnTpSS1vZxpK7iEsR9kBlLGr1kEXUcVi8H08s9HxnjXKQM8TLQrZfGn+n0iZ7Exozh0nTGzV+a3V4h/ed3MDpu9XKg0s6D416JhJrFNcJEKHggN3MqRI4xr4W7F/Ippxq3LznchTD/F/5Pzeo2SGj2tV9uHkzjKaAvtoD1EUQO10TE6QR3E0S26R4/oybvzHrxn7+WrteRNZjbRD3ivH7IYmcM=</latexit>
weak charges
Mt =vp2yt ) yt ⇡ 0.995
<latexit sha1_base64="M1Z62kgVOkpcM+If+BJj94L9sBc=">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</latexit><latexit sha1_base64="M1Z62kgVOkpcM+If+BJj94L9sBc=">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</latexit><latexit sha1_base64="M1Z62kgVOkpcM+If+BJj94L9sBc=">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</latexit><latexit sha1_base64="M1Z62kgVOkpcM+If+BJj94L9sBc=">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</latexit>
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 6The Top as Window to New Physics
Top Quark as only fermion has Yukawa coupling 𝓞(1)
Either all other fermions are weird, or: Top quark is something special
Top Quark could be composite object (e.g. if the Higgs were)
Partial compositeness: admixture of composite to SM fermion
… … … [unknown unknown]
Effect on Higgs potential: Top plays special role in EWSB (?)
Higgs used for Top Physics — and vice versa
Top Quark interactions could be more sensitive to new physics
Top Quark could couple more strongly to new heavy particles, such ….
…. new heavy particles mostly decay into the Top Quark
New Effects: modified and new decays
Changes in production rate and characterics (angular distributions … )
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 7
THE STANDARD MODEL TOPTHE TOP STANDARD MODELTHE STANDARD TOP MODEL
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 8Top Quark Production
�, Z
e�
e+
t
t̄s-channel production of top-quark pairs
Top decay happens before hadronization
Electroweak couplings / polarization studies possible
Access to vector- and axial-vector ttZ couplings
Production cross section: 0.1 - 1 pb (sub-TeV)
100 fb-1 : 100,000 top pairs @ threshold
2 ab-1 : 1,400,000 top pairs @ 500 GeV
Top helicities available from lepton / jet
distributionsTESLA TDR, 2001
Paradigm processes : precision determination of top properties
Major bkgd for EW measurements (VVV and VBS); any [most] BSM searches
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 9Top Production & Decay: Precision
NLO QCD [Jersak/Laermann/Zerwas, 1982]
NNLO QCD [Chetyrkin/Kühn/Steinhauser, 1996; Harlander/Steinhauser, 1998]
NLO EW [Beenakker/von der Marck/Hollik, 1991; Beenakker/Denner/Kraft, 1993; Akhundov/Bardin/Leike, 1991]
Threshold enhancement [Fadin/Khoze, 1987; Strassler/Peskin, 1991; Jezabek/Kühn/Teubner, 1992; Sumino et al., 1992
On-Shell process: e+e� ! tt̄
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 9Top Production & Decay: Precision
NLO QCD [Jersak/Laermann/Zerwas, 1982]
NNLO QCD [Chetyrkin/Kühn/Steinhauser, 1996; Harlander/Steinhauser, 1998]
NLO EW [Beenakker/von der Marck/Hollik, 1991; Beenakker/Denner/Kraft, 1993; Akhundov/Bardin/Leike, 1991]
Threshold enhancement [Fadin/Khoze, 1987; Strassler/Peskin, 1991; Jezabek/Kühn/Teubner, 1992; Sumino et al., 1992
On-Shell process: e+e� ! tt̄
Off-Shell process: e+e� ! W+b̄W�b
NLO QCD [Guo/Ma/Wang/Zhang, 2008] ✘
NLO QCD diff. [Chokoufe/JRR/Weiss, 2015; Liebler/Moortgat-Pick/Papanasthasiou, 2015; Chokoufe/Kilian/Lindert/JRR/Pozzorini/Weiss, 2016]
• Properly model the threshold
• Assess selection efficiencies• Assess systematic uncertainties
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 9Top Production & Decay: Precision
NLO QCD [Jersak/Laermann/Zerwas, 1982]
NNLO QCD [Chetyrkin/Kühn/Steinhauser, 1996; Harlander/Steinhauser, 1998]
NLO EW [Beenakker/von der Marck/Hollik, 1991; Beenakker/Denner/Kraft, 1993; Akhundov/Bardin/Leike, 1991]
Threshold enhancement [Fadin/Khoze, 1987; Strassler/Peskin, 1991; Jezabek/Kühn/Teubner, 1992; Sumino et al., 1992
On-Shell process: e+e� ! tt̄
Top width: t ! W+b
NLO QCD [Jezabek/Kühn, 1989]
NNLO QCD [Guo/Li/Zhu, 2012]
Off-Shell process: e+e� ! W+b̄W�b
NLO QCD [Guo/Ma/Wang/Zhang, 2008] ✘
NLO QCD diff. [Chokoufe/JRR/Weiss, 2015; Liebler/Moortgat-Pick/Papanasthasiou, 2015; Chokoufe/Kilian/Lindert/JRR/Pozzorini/Weiss, 2016]
• Properly model the threshold
• Assess selection efficiencies• Assess systematic uncertainties
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 10 e+e− → tt off-shell in the continuum Using massive b quarks: no cuts necessary for e+e− → W+W−bb
Full process e+e− → μ+νμe−νebb exhibits collinear singularity:
double-resonant
single top
non-resonant
single top
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 10 e+e− → tt off-shell in the continuum Using massive b quarks: no cuts necessary for e+e− → W+W−bb
Full process e+e− → μ+νμe−νebb exhibits collinear singularity:
double-resonant
single top
non-resonant
single top
INPUT PARAMETERS: Complex Mass Scheme (CMS):
mH = 125 GeV �H = 0.00431 GeV
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 10 e+e− → tt off-shell in the continuum Using massive b quarks: no cuts necessary for e+e− → W+W−bb
Full process e+e− → μ+νμe−νebb exhibits collinear singularity:
Typical pentagons:
double-resonant
single top
non-resonant
single top
INPUT PARAMETERS: Complex Mass Scheme (CMS):
mH = 125 GeV �H = 0.00431 GeV
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 11NLO QCD Results for off-shell e+e− → tt
0
175
350
525
700
875
�[fb
]
WHIZARD+OPENLOOPS
LO tt̄NLO tt̄LO W +W �bb̄NLO W +W �bb̄
0.95
1.00
1.05
1.10
1.15
K-fa
ctor
500 1000 1500 2000 2500 3000ps [GeV]
1.0
1.25
1.5
1.75
2.0
�W
+W
�bb̄
/�
tt̄
300 350 400ps [GeV]
1.00
2.00
3.00
K-fa
ctor
e+e� ! tt̄ and e+e� ! W +W �bb̄
0.125 0.25 0.5 1.0 2.0 4.0 8.0µR/mt
0.95
0.975
1.0
1.025
�(µ
R)/
�(µ
R=
µ0)
WHIZARD+OPENLOOPS
NLO tt̄NLO W +W �bb̄, �t = �t(µR)NLO W +W �bb̄, �t = �t(mt)
e+e� ! tt̄ and e+e� ! W +W �bb̄ atp
s = 800 GeV
Chokoufé/Kilian/Lindert/Pozzorini/JRR/Weiss, 1609.03390
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 11NLO QCD Results for off-shell e+e− → tt
0
175
350
525
700
875
�[fb
]
WHIZARD+OPENLOOPS
LO tt̄NLO tt̄LO W +W �bb̄NLO W +W �bb̄
0.95
1.00
1.05
1.10
1.15
K-fa
ctor
500 1000 1500 2000 2500 3000ps [GeV]
1.0
1.25
1.5
1.75
2.0
�W
+W
�bb̄
/�
tt̄
300 350 400ps [GeV]
1.00
2.00
3.00
K-fa
ctor
e+e� ! tt̄ and e+e� ! W +W �bb̄
0.125 0.25 0.5 1.0 2.0 4.0 8.0µR/mt
0.95
0.975
1.0
1.025
�(µ
R)/
�(µ
R=
µ0)
WHIZARD+OPENLOOPS
NLO tt̄NLO W +W �bb̄, �t = �t(µR)NLO W +W �bb̄, �t = �t(mt)
e+e� ! tt̄ and e+e� ! W +W �bb̄ atp
s = 800 GeV
Chokoufé/Kilian/Lindert/Pozzorini/JRR/Weiss, 1609.03390
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 12Differential Results for off-shell e+e− → tt
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 12Differential Results for off-shell e+e− → tt
m2t = m2
W +2hm2
`jbi
1� hcos ✓`jbi
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 12Differential Results for off-shell e+e− → tt
m2t = m2
W +2hm2
`jbi
1� hcos ✓`jbi
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 12Differential Results for off-shell e+e− → tt
m2t = m2
W +2hm2
`jbi
1� hcos ✓`jbi
Full process e+e− → μ+νμe−νebb contains also e+e− → W+W− H (!)
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 13Top Yukawa couplingMeasurement possible for ≳ 500 GeV [tth associated production]
Contamination from Higgsstrahlung, Z* ➝ tt
Cross section rises by factor of 4 between 500 and 550 GeV (!)
Slight enhancement at threshold due to QCD Coulomb gluons
Yonamine/Ikematsu/Tanabe/Fujii/Kiyo/Sumino/Yokoya, 2011
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 13Top Yukawa couplingMeasurement possible for ≳ 500 GeV [tth associated production]
Contamination from Higgsstrahlung, Z* ➝ tt
Cross section rises by factor of 4 between 500 and 550 GeV (!)
Slight enhancement at threshold due to QCD Coulomb gluons
Yonamine/Ikematsu/Tanabe/Fujii/Kiyo/Sumino/Yokoya, 2011
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 13Top Yukawa couplingMeasurement possible for ≳ 500 GeV [tth associated production]
Contamination from Higgsstrahlung, Z* ➝ tt
Cross section rises by factor of 4 between 500 and 550 GeV (!)
Slight enhancement at threshold due to QCD Coulomb gluons
• Much gain from higher center-of-mass energies like 0.8-1.0 TeV [CLIC: 1.4 TeV !]• Larger cross section, (much) less tt background
• Even LO simulations are demanding, e.g.: e+e� ! bb̄bb̄jj`⌫`, bb̄jjjjjj`⌫`
Yonamine/Ikematsu/Tanabe/Fujii/Kiyo/Sumino/Yokoya, 2011
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 14NLO QCD Results for off-shell e+e− → ttH
0.125 0.25 0.5 1.0 2.0 4.0 8.0µR/(mt + mH)
0.9
0.95
1.0
1.05
�(µ
R)/
�(µ
R=
µ0)
WHIZARD+OPENLOOPS
NLO tt̄HNLO W +W �bb̄H, �t = �t(µR)NLO W +W �bb̄H, �t = �t(mt)
e+e� ! tt̄H and e+e� ! W +W �bb̄H atp
s = 800 GeV
Chokoufé/Kilian/Lindert/Pozzorini/JRR/Weiss, 1609.03390
0.00
0.50
1.00
1.50
2.00
2.50
3.00
�[fb
]
WHIZARD+OPENLOOPS
LO tt̄HNLO tt̄HLO W +W �bb̄HNLO W +W �bb̄H
0.75
0.85
0.95
1.05
K-fa
ctor
500 1000 1500 2000 2500 3000ps [GeV]
0.90
1.05
1.20
1.35
�W
+W
�bb̄
H/�
tt̄H
425 500 575ps [GeV]
1.00
1.75
2.50
K-fa
ctor
e+e� ! tt̄H and e+e� ! W +W �bb̄H
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 14NLO QCD Results for off-shell e+e− → ttH
0.125 0.25 0.5 1.0 2.0 4.0 8.0µR/(mt + mH)
0.9
0.95
1.0
1.05
�(µ
R)/
�(µ
R=
µ0)
WHIZARD+OPENLOOPS
NLO tt̄HNLO W +W �bb̄H, �t = �t(µR)NLO W +W �bb̄H, �t = �t(mt)
e+e� ! tt̄H and e+e� ! W +W �bb̄H atp
s = 800 GeV
Chokoufé/Kilian/Lindert/Pozzorini/JRR/Weiss, 1609.03390
0.00
0.50
1.00
1.50
2.00
2.50
3.00
�[fb
]
WHIZARD+OPENLOOPS
LO tt̄HNLO tt̄HLO W +W �bb̄HNLO W +W �bb̄H
0.75
0.85
0.95
1.05
K-fa
ctor
500 1000 1500 2000 2500 3000ps [GeV]
0.90
1.05
1.20
1.35
�W
+W
�bb̄
H/�
tt̄H
425 500 575ps [GeV]
1.00
1.75
2.50
K-fa
ctor
e+e� ! tt̄H and e+e� ! W +W �bb̄H
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 15Differential Results for off-shell ttH
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 15Differential Results for off-shell ttH
Eh =1
2ps
⇥s+M2
h � (k1 + k2)2⇤ Eh large! 1
2ps
⇥s+M2
h � 4m2t
⇤
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 16Matched NLO QCD results
Precise predictions of multi-parton final states require properly matched samples
POWHEG matching for NLO processes QCD already available [WHIZARD+OpenLoops]
Inclusive observables quite stable; partially drastic effects on exclusive observables
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 16Matched NLO QCD results
Precise predictions of multi-parton final states require properly matched samples
POWHEG matching for NLO processes QCD already available [WHIZARD+OpenLoops]
Inclusive observables quite stable; partially drastic effects on exclusive observables
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 17Determination of Top-Yukawa coupling
1.8
2.0
2.2
2.4
2.6
2.8
3.0
�[fb
]
WHIZARD+OPENLOOPS
LO, W +W �bb̄HNLO, W +W �bb̄H
0.9 0.95 1.0 1.05 1.1⇠t
0.96
0.98
1.0
1.02
K-fa
ctor
e+e� ! W +W �bb̄H,p
s = 800 GeV
Chokoufé/Kilian/Lindert/Pozzorini/JRR/Weiss, 1609.03390 SM signal-strength / coupling modifier:
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 17Determination of Top-Yukawa coupling
1.8
2.0
2.2
2.4
2.6
2.8
3.0
�[fb
]
WHIZARD+OPENLOOPS
LO, W +W �bb̄HNLO, W +W �bb̄H
0.9 0.95 1.0 1.05 1.1⇠t
0.96
0.98
1.0
1.02
K-fa
ctor
e+e� ! W +W �bb̄H,p
s = 800 GeV
Chokoufé/Kilian/Lindert/Pozzorini/JRR/Weiss, 1609.03390 SM signal-strength / coupling modifier:
cf. Junping Tian’s talk
from 1710.07621
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 18
TOP THRESHOLD SCAN: THE “TOP” TOP MASS MEASUREMENT
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 19Top Mass Measurement: ThresholdILC top threshold scan best-known method to measure top quark mass, ΔΜ ~ 30-70 MeV
Heavy quark production at lepton colliders, qualitatively:
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 19Top Mass Measurement: ThresholdILC top threshold scan best-known method to measure top quark mass, ΔΜ ~ 30-70 MeV
Heavy quark production at lepton colliders, qualitatively:
Peralta/Martinez/Miquel, 1999
Position and shape of threshold depends on Mtop
Hadron collider measurements: kinematic reco
Top threshold uses well-defined mass definition
Joint theory/exp. effort to bring down uncertainties
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 20Top Threshold: overview of uncertainties
M1S = 172GeV, �t = 1.54GeV,
↵s(MZ) = 0.118
Default parameters:
M1S = Mpolet (1��LL/NLL
(Coul.) )
Threshold region: top velocity v ~ αs ⪡ 1
Close to threshold: top quarks non-relativistic Very strong QCD attraction due to “Coulomb” gluon exchange Leads to a remnant 1S toponium (quasi-) bound state
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 20Top Threshold: overview of uncertainties
M1S = 172GeV, �t = 1.54GeV,
↵s(MZ) = 0.118
M1S = Mpolet (1��LL/NLL
(Coul.) )
Threshold region: top velocity v ~ αs ⪡ 1
Close to threshold: top quarks non-relativistic Very strong QCD attraction due to “Coulomb” gluon exchange Leads to a remnant 1S toponium (quasi-) bound state
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 21Top Threshold: influence of beam profiles
Simon, 10/2017
• Reducing amount of beamstrahlung?• possible with modified machine setup• costs of up to 50% instantaneous lump• Mild reduction on statistic uncertainty
100 fb�1: 17.6 ! 15.8 MeV (stat.)<latexit sha1_base64="4TYC76pQygXUqn1csWAjcpHmnC8=">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</latexit><latexit sha1_base64="4TYC76pQygXUqn1csWAjcpHmnC8=">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</latexit><latexit sha1_base64="4TYC76pQygXUqn1csWAjcpHmnC8=">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</latexit><latexit sha1_base64="4TYC76pQygXUqn1csWAjcpHmnC8=">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</latexit>
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 22Top Threshold: parametric dependencies
based on: Beneke/Maier/Piclum/Rauh, 2015
Dependence on Mt, Γt, αs, yt
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 22Top Threshold: parametric dependencies
based on: Beneke/Maier/Piclum/Rauh, 2015
Dependence on Mt, Γt, αs, yt
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 23Top Threshold: a demanding theory calculation
NRQCD is EFT for non-relativistic quark-antiquark systems: separate M·v and M·v2 Integrate out hard quark and gluon d.o.f. Hoang et al. ’99-‘01; Beneke et al., ’13-‘14
Resummation of singular terms close to threshold (v = 0), NNNLO/NNLL available (!)
R ⌘ �tt̄
�µµ= v
X
k
⇣↵s
v
⌘k X
i
(↵s ln v)i ⇥
⇥�1 (LL); ↵s, v (NLL); ↵2
s,↵sv, v2 (NNLL)
Phase space of two massive particles
(p/v)NRQCD EFT w/ RG improvement
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 23Top Threshold: a demanding theory calculation
NRQCD is EFT for non-relativistic quark-antiquark systems: separate M·v and M·v2 Integrate out hard quark and gluon d.o.f. Hoang et al. ’99-‘01; Beneke et al., ’13-‘14
Resummation of singular terms close to threshold (v = 0), NNNLO/NNLL available (!)
R ⌘ �tt̄
�µµ= v
X
k
⇣↵s
v
⌘k X
i
(↵s ln v)i ⇥
⇥�1 (LL); ↵s, v (NLL); ↵2
s,↵sv, v2 (NNLL)
Phase space of two massive particles
R�,Z(s) = F v(s)Rv(s)| {z }s-wave: LL+NLL
+ F a(s)Ra(s)| {z }p-wave⇠v2:NNLL
but contributesat NLL differentially!
(p/v)NRQCD EFT w/ RG improvement
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 23Top Threshold: a demanding theory calculation
NRQCD is EFT for non-relativistic quark-antiquark systems: separate M·v and M·v2 Integrate out hard quark and gluon d.o.f. Hoang et al. ’99-‘01; Beneke et al., ’13-‘14
Resummation of singular terms close to threshold (v = 0), NNNLO/NNLL available (!)
R ⌘ �tt̄
�µµ= v
X
k
⇣↵s
v
⌘k X
i
(↵s ln v)i ⇥
⇥�1 (LL); ↵s, v (NLL); ↵2
s,↵sv, v2 (NNLL)
Phase space of two massive particles
Coulomb potential gluon ladder resummation
R�,Z(s) = F v(s)Rv(s)| {z }s-wave: LL+NLL
+ F a(s)Ra(s)| {z }p-wave⇠v2:NNLL
but contributesat NLL differentially!
(p/v)NRQCD EFT w/ RG improvement
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 24Fixed-order vs. resummation uncertainties
NRQCD NNNLO fixed order + αs logarithms
Kiyo et al., 2005; Beneke et al., 2008-2015
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 24Fixed-order vs. resummation uncertainties
Resummation of velocity logarithms
Hoang/Stahlhofen, 2012
NRQCD NNNLO fixed order + αs logarithms
Kiyo et al., 2005; Beneke et al., 2008-2015
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 25Fully exclusive Threshold in e+e− → W+W−bbFully Exclusive Events: assess selection
uncertainties
0
200
400
600
800
1000
�[fb
]
Whizard signalAnalyticWhizard factorized
330 340 350 360 370 380ps [GeV]
0.50
0.75
1.00
1.25
1.50
�/�
Whi
zard
fact
oriz
ed
�mt = 30 GeV, NLL, only s-wave contributions
NRQCD result invalid away from threshold
Bach/Chokoufé/Hoang/Kilian/JRR/Stahlhofen/Teubner/Weiss, 12/2017
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 25Fully exclusive Threshold in e+e− → W+W−bbFully Exclusive Events: assess selection
uncertainties
Only factorized calculation feasibleNRQCD result technically demandingRemove double-counting between NRQCD-NLL & QCD-NLO
Bach/Chokoufé/Hoang/Kilian/JRR/Stahlhofen/Teubner/Weiss, 12/2017
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 25Fully exclusive Threshold in e+e− → W+W−bbFully Exclusive Events: assess selection
uncertainties
0
100
200
300
400
500
600
700
800
900
1000
�[fb
]
matched, no switch-offNLLmatched, combined, symmetrizedNLO
330 340 350 360 370 380ps [GeV]
0.80
0.90
1.00
1.10
1.20
Unc
erta
inti
es
330 340 350 360 370 380ps [GeV]
0
100
200
300
400
500
600
700
800
900
1000
�[fb
]
matched, no switch-offNLLmatched, combined, symmetrizedNLO
Matched inclusive W +bW �b̄ cross section, no QED ISR
Only factorized calculation feasibleNRQCD result technically demandingRemove double-counting between NRQCD-NLL & QCD-NLO
Bach/Chokoufé/Hoang/Kilian/JRR/Stahlhofen/Teubner/Weiss, 12/2017
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 25Fully exclusive Threshold in e+e− → W+W−bbFully Exclusive Events: assess selection
uncertainties
0
100
200
300
400
500
600
700
800
900
1000
�[fb
]
matched, no switch-offNLLmatched, combined, symmetrizedNLO
330 340 350 360 370 380ps [GeV]
0.80
0.90
1.00
1.10
1.20
Unc
erta
inti
es
330 340 350 360 370 380ps [GeV]
0
100
200
300
400
500
600
700
800
900
1000
�[fb
]
matched, no switch-offNLLmatched, combined, symmetrizedNLO
Matched inclusive W +bW �b̄ cross section, no QED ISR
Only factorized calculation feasibleNRQCD result technically demandingRemove double-counting between NRQCD-NLL & QCD-NLO
Bach/Chokoufé/Hoang/Kilian/JRR/Stahlhofen/Teubner/Weiss, 12/2017
330 340 350 360 370 380ps [GeV]
0
250
500
750
1000
�[fb
]
matched, no switch-offmatched, combined, symmetrizedNLO
Matched inclusive W +bW �b̄ cross section, with QED ISR
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 26Matched threshold differential distributions
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 26Matched threshold differential distributions
Dist
ribu
tions d
epen
d on M
(Top)
— n
ot ye
t (fu
lly)
expl
oited
—
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 27Challenges for the off-shell threshold …
0
100
200
300
400
500
600
700
800
900
1000
�[fb
]
matched, no switch-offNLLmatched, combined, symmetrizedNLONNLL
330 340 350 360 370 380ps [GeV]
0.90
0.95
1.00
1.05
1.10
Unc
erta
inti
es
e+e� ! W+bW�b̄
PREL
IMINARY
Next steps: higher QCD order, EW corrections (ISR matching!!), soft gluons … … …
Bach/Chokoufé/Hoang/Kilian/JRR/Stahlhofen/Teubner/Weiss, 12/2017
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 281D/2D Template Fits for the Top Threshold
Method of Template Cross SectionsGenerate (pseudo-) signals with different parametersFit the data to the (pseudo-)signal distributionsCompare which values fit [pseudo-] data best
Simon, 10/2017
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 29
THE BEST OF BOTH SIDES OF THE DETECTOR: THE FORWARD- BACKWARD ASYMMETRY
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 30Top-Forward Backward Asymmetry
�, Z
e�
e+
t
t̄cos ✓
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d�(e+e� ! tt̄)
d⌦CM=
↵2
4s
r1� 4M2
t
s
(✓1 + cos ✓2 +
4M2t
ssin2 ✓
◆G1(s)
� 8M2t
sG2(s) +
r1� 4M2
t
s2 cos ✓G3(s)
)
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G1(s) = Q2eQ
2t + 2QeQtVeVt Re [XZ(s)] +
�V 2e +A2
e
� �V 2t +A2
t
�|XZ(s)|2
G2(s) =�V 2e +A2
e
�A2
t |XZ(s)|2
G3(s) = 2QeQtAeAtRe [XZ(s)] + 4VeVtAeAt |XZ(s)|2<latexit sha1_base64="B/fUwfemjsFfHSkc251K3VGf28A=">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</latexit><latexit sha1_base64="B/fUwfemjsFfHSkc251K3VGf28A=">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</latexit><latexit sha1_base64="B/fUwfemjsFfHSkc251K3VGf28A=">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</latexit><latexit sha1_base64="B/fUwfemjsFfHSkc251K3VGf28A=">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</latexit>
XZ(s) =s
s�M2Z + iMZ�Z
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� g
2cWf⇥Vf�
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Axial vector photon-Z and vector—axial-vector interference
Linearly dependent term generates Forward-Backward Asymmetry
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 30Top-Forward Backward Asymmetry
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t
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G1(s) = Q2eQ
2t + 2QeQtVeVt Re [XZ(s)] +
�V 2e +A2
e
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t
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G2(s) =�V 2e +A2
e
�A2
t |XZ(s)|2
G3(s) = 2QeQtAeAtRe [XZ(s)] + 4VeVtAeAt |XZ(s)|2<latexit sha1_base64="B/fUwfemjsFfHSkc251K3VGf28A=">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</latexit><latexit sha1_base64="B/fUwfemjsFfHSkc251K3VGf28A=">AAADeXichVJLb9NAEN44PEp4NIUjHBaiVulDkZ0igYSQChzKsUUkjYiDtd5MklXXa2t3jYhc/wb+Gzf+CBcujB+gNK1gJO+M55vv88x4w0QKY133R8Np3rh56/bGndbde/cfbLa3Hg5NnGoOAx7LWI9CZkAKBQMrrIRRooFFoYSz8PxdgZ99AW1ErD7aZQKTiM2VmAnOLKaCrcY3P4S5UBmTYq728halx4HXNbt057X/ip4G8LmPp8VznxYRFG90iH6I3j/wLXy12QfIqS9hZsd0FHwq6L4W84WdIKvMd4el0j59U/gK3K2hQqnG7Bp2UctVyQus8n1a9tj/2+M/9EvBy0p0VQqVMr9cYqZhmh8Hh1iRV7KrANYe4OjF5KhfyNL/z/0cSdgVDoecknJ9H3nLBzX98wOCdsftuaXRq4FXBx1S20nQ/u5PY55GoCyXzJix5yZ2kjFtBZeA4qmBhPFzNocxhopFYCZZOVtOtzEzpbNY46MsLbOrjIxFxiyjECsjZhdmHSuS12Hj1M5eTjKhktSC4tWHZqmkNqbFNaRToYFbucSAcS2wV8oXTDNu8bK2cAne+shXg2G/57k977TfOXpbr2ODPCbPSJd45AU5Iu/JCRkQ3vjpPHG2nR3nV/Nps9vcq0qdRs15RC5Z8/A3vf4MPQ==</latexit><latexit sha1_base64="B/fUwfemjsFfHSkc251K3VGf28A=">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</latexit><latexit sha1_base64="B/fUwfemjsFfHSkc251K3VGf28A=">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</latexit>
XZ(s) =s
s�M2Z + iMZ�Z
<latexit sha1_base64="08XhDXIbpdl4hDA7DB6HS+TAMZk=">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</latexit><latexit sha1_base64="08XhDXIbpdl4hDA7DB6HS+TAMZk=">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</latexit><latexit sha1_base64="08XhDXIbpdl4hDA7DB6HS+TAMZk=">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</latexit><latexit sha1_base64="08XhDXIbpdl4hDA7DB6HS+TAMZk=">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</latexit>
� g
2cWf⇥Vf�
µ �Af�µ�5
⇤f Zµ
<latexit sha1_base64="X0nf+wD9NHnypbkMBYR6jhmc7bk=">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</latexit><latexit sha1_base64="X0nf+wD9NHnypbkMBYR6jhmc7bk=">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</latexit><latexit sha1_base64="X0nf+wD9NHnypbkMBYR6jhmc7bk=">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</latexit><latexit sha1_base64="X0nf+wD9NHnypbkMBYR6jhmc7bk=">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</latexit>
Axial vector photon-Z and vector—axial-vector interference
Linearly dependent term generates Forward-Backward Asymmetry
e+e� ! µ+µ�<latexit sha1_base64="kdWdlf3bSrPVbFUzeaeaG1YjcEY=">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</latexit><latexit sha1_base64="kdWdlf3bSrPVbFUzeaeaG1YjcEY=">AAACIHicdVDLSgMxFM34rOOr6tJNsAiiWJIubLsrunGpYK3QqSWT3tZgJjMkGaEM/RQ3/oobF4roTr/GjLagohduODnnXJJ7wkQKYwl586amZ2bn5gsL/uLS8spqcW393MSp5tDksYz1RcgMSKGgaYWVcJFoYFEooRVeH+V66wa0EbE6s8MEOhEbKNEXnFlHdYvVIISBUBmTYqB2Rz7GcLnneh8HNsZBlLpbfu5j7AegehNjt1giZUIIpRTngFYPiAP1eq1Ca5jmkqsSGtdJt/ga9GKeRqAsl8yYNiWJ7WRMW8EljPwgNZAwfs0G0HZQsQhMJ/tccIS3HdPD/Vi7VhZ/st8nMhYZM4xC54yYvTK/tZz8S2untl/rZEIlqQXFvx7qpxK73fO0cE9o4FYOHWBcC/dXzK+YZty6TH0XwmRT/D84r5QpKdPTSqlxOI6jgDbRFtpBFFVRAx2jE9REHN2ie/SInrw778F79l6+rFPeeGYD/Sjv/QMXs6EU</latexit><latexit sha1_base64="kdWdlf3bSrPVbFUzeaeaG1YjcEY=">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</latexit><latexit sha1_base64="kdWdlf3bSrPVbFUzeaeaG1YjcEY=">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</latexit>
LEP 1
Asymmetry is function of collider energy
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40
Amjad et al., 1505.06020
31
Forward-backward asymmetry
Afb :=�(ptz > 0)� �(ptz) < 0)
�(ptz > 0) + �(ptz < 0)
Top-Forward Backward Asymmetry
AFB of the top quark
Gluon emission symmetric in θ ⇒NLO QCD corrections small
NLO QCD Corrections
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40
Amjad et al., 1505.06020
Threshold region: P-wave (axial vector) resummation important
31
Forward-backward asymmetry
Afb :=�(ptz > 0)� �(ptz) < 0)
�(ptz > 0) + �(ptz < 0)
Top-Forward Backward Asymmetry
AFB of the top quark
Gluon emission symmetric in θ ⇒NLO QCD corrections small
NLO QCD Corrections
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 32
ON TOP OF THE TOP: BEYOND THE SM SEARCHES
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 33BSM Telescope: Anomalous top couplingsAnomalous Top couplings parameterized as form factors:
�ttXµ (k2, q, q̄) = ie
(�µ
�FX1V (k
2) + �5FX1A(k
2)�+ �µ⌫
(q � q̄)µ
2Mt
�FX2V (k
2) + �5FX2A(k
2)�)
<latexit sha1_base64="tje3sWXoDx1LOHRju2AoU/Q/tlU=">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</latexit><latexit sha1_base64="tje3sWXoDx1LOHRju2AoU/Q/tlU=">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</latexit><latexit sha1_base64="tje3sWXoDx1LOHRju2AoU/Q/tlU=">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</latexit><latexit sha1_base64="tje3sWXoDx1LOHRju2AoU/Q/tlU=">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</latexit>
CP Conserving CP Violating
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 33BSM Telescope: Anomalous top couplingsAnomalous Top couplings parameterized as form factors:
�ttXµ (k2, q, q̄) = ie
(�µ
�FX1V (k
2) + �5FX1A(k
2)�+ �µ⌫
(q � q̄)µ
2Mt
�FX2V (k
2) + �5FX2A(k
2)�)
<latexit sha1_base64="tje3sWXoDx1LOHRju2AoU/Q/tlU=">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</latexit><latexit sha1_base64="tje3sWXoDx1LOHRju2AoU/Q/tlU=">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</latexit><latexit sha1_base64="tje3sWXoDx1LOHRju2AoU/Q/tlU=">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</latexit><latexit sha1_base64="tje3sWXoDx1LOHRju2AoU/Q/tlU=">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</latexit>
CP Conserving CP Violating
Strong handle on BSM (e.g. compositeness, partial compositeness, Little Higgs, SUSY etc. )
Main Observables: cross section +
Forward-Backward Asymmetry (AFB )
Top quark polarization: spin correlations
Optimally CP-odd observables: CP properties (!)
Statistically optimal observables
Studies for CLIC-380, ILC-500, CLIC-1400, CLIC-3000
Excellent top reconstruction in e+e−
Amjad et al., 1505.06020
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 34BSM Effects: Effective Field Theory (EFT)✦ Consider effects from heavy states by using (known) low-energy d.o.f.s
H. Georgi, 1993
cf. Junping’s talk
L = LSM +X
i
"c(5)i
⇤O
(5)i +
c(6)i
⇤2O
(6)i +
c(7)i
⇤3O
(7)i +
c(8)i
⇤4O
(8)i + · · ·
#S. Weinberg, 1979
✦ Add all higher-dimensional operators consisting of SM fields/consistent with SM symmetries
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 34BSM Effects: Effective Field Theory (EFT)✦ Consider effects from heavy states by using (known) low-energy d.o.f.s
H. Georgi, 1993
cf. Junping’s talk
L = LSM +X
i
"c(5)i
⇤O
(5)i +
c(6)i
⇤2O
(6)i +
c(7)i
⇤3O
(7)i +
c(8)i
⇤4O
(8)i + · · ·
#S. Weinberg, 1979
✦ Add all higher-dimensional operators consisting of SM fields/consistent with SM symmetries
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 35Electroweak Top Coupling Measurement
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 35Electroweak Top Coupling Measurement
Translation between Form Factors & Wilson Coefficients
“New old style”: Wilson coefficients of EFT
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 36Projections for (CL)IL[C] measurementse+e� ! tt̄ ! W+bW�b̄
! `⌫bb̄qq̄<latexit sha1_base64="QvDaC1pqxBAqnTYPcOwVN2StTR8=">AAACU3icbVFNaxsxENVuPuo6ceqmx15ETCCkxOzm0h5DeunRhfoDLMdI8thWo9VupNmAWfY/lkIP+SO59NDK6y00TgZGenpvRh9PItPKYRQ9BOHO7t7+q8br5sFh6+hN++3xwKW5ldCXqU7tSHAHWhnoo0INo8wCT4SGobj9vNaH92CdSs03XGUwSfjCqLmSHD01bX9nAhbKFFyrhTkvm5TCzQefF5RhSpEywW2BZbUaekX48aIiRcmYL68UBlozk1NRK3fVfFc2GZjZv72n7U7Ujaqgz0Fcgw6pozdt/2SzVOYJGJSaOzeOowwnBbeopAa/ee4g4/KWL2DsoeEJuElReVLSU8/M6Dy1Pg3Siv2/o+CJc6tE+MqE49Jta2vyJW2c4/zTpFAmyxGM3Bw0zzVd2+UNpjNlQaJeecClVf6uVC655RL9NzS9CfH2k5+DwWU3jrrx18vO1XVtR4O8JyfkjMTkI7kiX0iP9IkkP8gj+ROQ4FfwOwzD3U1pGNQ978iTCFt/AXSRsYA=</latexit><latexit sha1_base64="QvDaC1pqxBAqnTYPcOwVN2StTR8=">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</latexit><latexit sha1_base64="QvDaC1pqxBAqnTYPcOwVN2StTR8=">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</latexit><latexit sha1_base64="QvDaC1pqxBAqnTYPcOwVN2StTR8=">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</latexit>
I. García, Phd thesis, 2016
Durieux/García/Perelló/Roloff/Ström/Vos, 2017
• Single operators: till gaps
• Very good single limits
• Global Limits: full bar
• Factor 3-80 worse
• No CPV operators here
• Multi-TeV running better
for contact interactions
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 37
Richard: 1403.2893; Richard et al., 2015
Precision means Discriminative Power
Typical deviations in models ≲ 10-20%
Below resolution power of HL-LHC
Unique opportunity of ILC & CLIC
1702.05333
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 38Flavor-Changing Top DecaysIn the SM strongly suppressed (CKM+GIM)
BR(t ! c �) ⇠ 5 · 10�14
BR(t ! c Z) ⇠ 1 · 10�14
BR(t ! c g) ⇠ 5 · 10�12
BR(t ! cH) ⇠ 3 · 10�15<latexit sha1_base64="/NCwTPTQ9cvGVV+1EeBKqsaZqFo=">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</latexit><latexit sha1_base64="/NCwTPTQ9cvGVV+1EeBKqsaZqFo=">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</latexit><latexit sha1_base64="/NCwTPTQ9cvGVV+1EeBKqsaZqFo=">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</latexit><latexit sha1_base64="/NCwTPTQ9cvGVV+1EeBKqsaZqFo=">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</latexit>
Look at e+e− → c t H, H → bb380 GeV, 500 fb−1 , pol.: -80%, 0%Simulation: 6 fermion (tt), 4 fermion, qq
F. Żarnecki, 2017
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 38Flavor-Changing Top DecaysIn the SM strongly suppressed (CKM+GIM)
BR(t ! c �) ⇠ 5 · 10�14
BR(t ! c Z) ⇠ 1 · 10�14
BR(t ! c g) ⇠ 5 · 10�12
BR(t ! cH) ⇠ 3 · 10�15<latexit sha1_base64="/NCwTPTQ9cvGVV+1EeBKqsaZqFo=">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</latexit><latexit sha1_base64="/NCwTPTQ9cvGVV+1EeBKqsaZqFo=">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</latexit><latexit sha1_base64="/NCwTPTQ9cvGVV+1EeBKqsaZqFo=">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</latexit><latexit sha1_base64="/NCwTPTQ9cvGVV+1EeBKqsaZqFo=">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</latexit>
Estimated HL-LHC reach: BR(t ! qH) ⇠ 2 · 10�4<latexit sha1_base64="oPUjSLNDzf7P3MDsImxyx+OZE0Q=">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</latexit><latexit sha1_base64="oPUjSLNDzf7P3MDsImxyx+OZE0Q=">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</latexit><latexit sha1_base64="oPUjSLNDzf7P3MDsImxyx+OZE0Q=">AAACOHicdVBNbxMxEPWWAiV8BThyGTUCFSQi7xI1RVyq9tIbBZG2Uhwir3eSWvV6F3sWEa3ys7jwM7ihXjhQVVz7C+ptUwkQPMny03sz9sxLS6M9cf49Wrq2fP3GzZVbrdt37t67337wcM8XlVM4UIUp3EEqPRptcUCaDB6UDmWeGtxPj7Ybf/8TOq8L+55mJY5yObV6opWkII3bb0SKU21rafTUPp+3BOFnqrfezdcIBBXwEXaegXj9VHidhxsSECorCGL+oX7Rm4MQ0BJos6sHxu0O777aWE9668C7nPfjJG5I0u+97EEclAYdtsDuuP1NZIWqcrSkjPR+GPOSRrV0pJXBMFDlsZTqSE5xGKiVOfpRfbH4HJ4EJYNJ4cKxBBfq7x21zL2f5WmozCUd+r+9RvyXN6xosjGqtS0rQqsuP5pUBkIiTYqQaYeKzCwQqZwOs4I6lE4qClm3QghXm8L/yV7SjXk3fpt0NrcWcaywx2yVrbGY9dkm22G7bMAU+8KO2U92En2NfkSn0a/L0qVo0fOI/YHo7Bz4cKoO</latexit><latexit sha1_base64="oPUjSLNDzf7P3MDsImxyx+OZE0Q=">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</latexit>
• Most difficult at the LHC: t → c H• Test also of Higgs boson couplings• E.g. in Two-Higgs-Doublet models (2HDM):
BR(t ! cH) ⇠ 10�2 (tree), ⇠ 10�4 (loop)<latexit sha1_base64="0t1+osWep0p0JqaZzohy8knBuQ0=">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</latexit><latexit sha1_base64="0t1+osWep0p0JqaZzohy8knBuQ0=">AAACYXicbVFNTxsxEPVuoYUU6BaOXCyioqRqo90IiUq9IHrhSKsGkOIQeZ1JsPDaK3u2Ilrtn+ytl174I/VuthJfI1l+eu+NZvyc5ko6jOM/Qfhqbf31m43Nztut7Z130fvdC2cKK2AkjDL2KuUOlNQwQokKrnILPEsVXKa332r98hdYJ43+icscJhlfaDmXgqOnptEdS2EhdcmVXOiPVYch3GF5+qPqIWVoqKBnfcq+HjInM3/TJL4uPw8rD3srK1qAqv+p1hpPYziqDbR1KGPyqs8Y7TDQs/+TplE3HsRN0ecgaUGXtHU+jX6zmRFFBhqF4s6NkzjHScktSqHAb144yLm45QsYe6h5Bm5SNglV9INnZnRurD8aacM+7Ch55twyS70z43jjnmo1+ZI2LnD+ZVJKnRcIWqwGzQtFfXR13HQmLQhUSw+4sNLvSsUNt1yg/5SODyF5+uTn4GI4SOJB8n3YPTlt49gg++SA9EhCjskJOSPnZEQE+RusBdvBTnAfboZRuLuyhkHbs0ceVbj/DzY7snE=</latexit><latexit sha1_base64="0t1+osWep0p0JqaZzohy8knBuQ0=">AAACYXicbVFNTxsxEPVuoYUU6BaOXCyioqRqo90IiUq9IHrhSKsGkOIQeZ1JsPDaK3u2Ilrtn+ytl174I/VuthJfI1l+eu+NZvyc5ko6jOM/Qfhqbf31m43Nztut7Z130fvdC2cKK2AkjDL2KuUOlNQwQokKrnILPEsVXKa332r98hdYJ43+icscJhlfaDmXgqOnptEdS2EhdcmVXOiPVYch3GF5+qPqIWVoqKBnfcq+HjInM3/TJL4uPw8rD3srK1qAqv+p1hpPYziqDbR1KGPyqs8Y7TDQs/+TplE3HsRN0ecgaUGXtHU+jX6zmRFFBhqF4s6NkzjHScktSqHAb144yLm45QsYe6h5Bm5SNglV9INnZnRurD8aacM+7Ch55twyS70z43jjnmo1+ZI2LnD+ZVJKnRcIWqwGzQtFfXR13HQmLQhUSw+4sNLvSsUNt1yg/5SODyF5+uTn4GI4SOJB8n3YPTlt49gg++SA9EhCjskJOSPnZEQE+RusBdvBTnAfboZRuLuyhkHbs0ceVbj/DzY7snE=</latexit><latexit sha1_base64="0t1+osWep0p0JqaZzohy8knBuQ0=">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</latexit>
Look at e+e− → c t H, H → bb380 GeV, 500 fb−1 , pol.: -80%, 0%Simulation: 6 fermion (tt), 4 fermion, qq
F. Żarnecki, 2017
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 38Flavor-Changing Top DecaysIn the SM strongly suppressed (CKM+GIM)
BR(t ! c �) ⇠ 5 · 10�14
BR(t ! c Z) ⇠ 1 · 10�14
BR(t ! c g) ⇠ 5 · 10�12
BR(t ! cH) ⇠ 3 · 10�15<latexit sha1_base64="/NCwTPTQ9cvGVV+1EeBKqsaZqFo=">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</latexit><latexit sha1_base64="/NCwTPTQ9cvGVV+1EeBKqsaZqFo=">AAAC5XicjZJNbxMxEIa9y1cJHw3tkcuICFQQRHagbSouVbn0WBBpK+IQeb3O1qrtXa1nUaNV7lw4gBBX/hM3/gsHvG0qEdQiRrL8amYejWfGSWG0R0p/RvGVq9eu31i62bp1+87d5fa9lX2fV6VUA5mbvDxMhFdGOzVAjUYdFqUSNjHqIDl+1cQPPqjS69y9xWmhRlZkTk+0FBhc4/YvnqhMu1oYnbknsxZHdYL1zpvZGgLHHCTwpzwT1orHwF8+4l7bcMM6cJnmCIy+r5+xFzPgHC5k3y1g7H+x7B/VepdjuwvY8wVsfY4pl553O253aJdSyhiDRrDNDRrE1la/x/rAmlCwDpnb3rj9g6e5rKxyKI3wfshogaNalKilUWF6lVeFkMciU8MgnbDKj+rTLc3gYfCkMMnLcBzCqfdPohbW+6lNQqYVeOT/jjXOi2LDCif9Ua1dUaFy8qzQpDIQhtKsHFJdKolmGoSQpQ5vBXkkSiExfIxWGMJ5p3C52O91Ge2y173O9s58HEvkPnlA1ggjm2Sb7JI9MiAySqKP0efoS5zFn+Kv8bez1DiaM6tkweLvvwF1QNvl</latexit><latexit sha1_base64="/NCwTPTQ9cvGVV+1EeBKqsaZqFo=">AAAC5XicjZJNbxMxEIa9y1cJHw3tkcuICFQQRHagbSouVbn0WBBpK+IQeb3O1qrtXa1nUaNV7lw4gBBX/hM3/gsHvG0qEdQiRrL8amYejWfGSWG0R0p/RvGVq9eu31i62bp1+87d5fa9lX2fV6VUA5mbvDxMhFdGOzVAjUYdFqUSNjHqIDl+1cQPPqjS69y9xWmhRlZkTk+0FBhc4/YvnqhMu1oYnbknsxZHdYL1zpvZGgLHHCTwpzwT1orHwF8+4l7bcMM6cJnmCIy+r5+xFzPgHC5k3y1g7H+x7B/VepdjuwvY8wVsfY4pl553O253aJdSyhiDRrDNDRrE1la/x/rAmlCwDpnb3rj9g6e5rKxyKI3wfshogaNalKilUWF6lVeFkMciU8MgnbDKj+rTLc3gYfCkMMnLcBzCqfdPohbW+6lNQqYVeOT/jjXOi2LDCif9Ua1dUaFy8qzQpDIQhtKsHFJdKolmGoSQpQ5vBXkkSiExfIxWGMJ5p3C52O91Ge2y173O9s58HEvkPnlA1ggjm2Sb7JI9MiAySqKP0efoS5zFn+Kv8bez1DiaM6tkweLvvwF1QNvl</latexit><latexit sha1_base64="/NCwTPTQ9cvGVV+1EeBKqsaZqFo=">AAAC5XicjZJNbxMxEIa9y1cJHw3tkcuICFQQRHagbSouVbn0WBBpK+IQeb3O1qrtXa1nUaNV7lw4gBBX/hM3/gsHvG0qEdQiRrL8amYejWfGSWG0R0p/RvGVq9eu31i62bp1+87d5fa9lX2fV6VUA5mbvDxMhFdGOzVAjUYdFqUSNjHqIDl+1cQPPqjS69y9xWmhRlZkTk+0FBhc4/YvnqhMu1oYnbknsxZHdYL1zpvZGgLHHCTwpzwT1orHwF8+4l7bcMM6cJnmCIy+r5+xFzPgHC5k3y1g7H+x7B/VepdjuwvY8wVsfY4pl553O253aJdSyhiDRrDNDRrE1la/x/rAmlCwDpnb3rj9g6e5rKxyKI3wfshogaNalKilUWF6lVeFkMciU8MgnbDKj+rTLc3gYfCkMMnLcBzCqfdPohbW+6lNQqYVeOT/jjXOi2LDCif9Ua1dUaFy8qzQpDIQhtKsHFJdKolmGoSQpQ5vBXkkSiExfIxWGMJ5p3C52O91Ge2y173O9s58HEvkPnlA1ggjm2Sb7JI9MiAySqKP0efoS5zFn+Kv8bez1DiaM6tkweLvvwF1QNvl</latexit>
Estimated HL-LHC reach: BR(t ! qH) ⇠ 2 · 10�4<latexit sha1_base64="oPUjSLNDzf7P3MDsImxyx+OZE0Q=">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</latexit><latexit sha1_base64="oPUjSLNDzf7P3MDsImxyx+OZE0Q=">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</latexit><latexit sha1_base64="oPUjSLNDzf7P3MDsImxyx+OZE0Q=">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</latexit><latexit sha1_base64="oPUjSLNDzf7P3MDsImxyx+OZE0Q=">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</latexit>
• Most difficult at the LHC: t → c H• Test also of Higgs boson couplings• E.g. in Two-Higgs-Doublet models (2HDM):
BR(t ! cH) ⇠ 10�2 (tree), ⇠ 10�4 (loop)<latexit sha1_base64="0t1+osWep0p0JqaZzohy8knBuQ0=">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</latexit><latexit sha1_base64="0t1+osWep0p0JqaZzohy8knBuQ0=">AAACYXicbVFNTxsxEPVuoYUU6BaOXCyioqRqo90IiUq9IHrhSKsGkOIQeZ1JsPDaK3u2Ilrtn+ytl174I/VuthJfI1l+eu+NZvyc5ko6jOM/Qfhqbf31m43Nztut7Z130fvdC2cKK2AkjDL2KuUOlNQwQokKrnILPEsVXKa332r98hdYJ43+icscJhlfaDmXgqOnptEdS2EhdcmVXOiPVYch3GF5+qPqIWVoqKBnfcq+HjInM3/TJL4uPw8rD3srK1qAqv+p1hpPYziqDbR1KGPyqs8Y7TDQs/+TplE3HsRN0ecgaUGXtHU+jX6zmRFFBhqF4s6NkzjHScktSqHAb144yLm45QsYe6h5Bm5SNglV9INnZnRurD8aacM+7Ch55twyS70z43jjnmo1+ZI2LnD+ZVJKnRcIWqwGzQtFfXR13HQmLQhUSw+4sNLvSsUNt1yg/5SODyF5+uTn4GI4SOJB8n3YPTlt49gg++SA9EhCjskJOSPnZEQE+RusBdvBTnAfboZRuLuyhkHbs0ceVbj/DzY7snE=</latexit><latexit sha1_base64="0t1+osWep0p0JqaZzohy8knBuQ0=">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</latexit><latexit sha1_base64="0t1+osWep0p0JqaZzohy8knBuQ0=">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</latexit>
Look at e+e− → c t H, H → bb380 GeV, 500 fb−1 , pol.: -80%, 0%Simulation: 6 fermion (tt), 4 fermion, qq
F. Żarnecki, 2017
• Suppress non-tt background• Demand b tag > 0.2 on 2 jets• Removes 80% qq + 92% 4f
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 38Flavor-Changing Top DecaysIn the SM strongly suppressed (CKM+GIM)
BR(t ! c �) ⇠ 5 · 10�14
BR(t ! c Z) ⇠ 1 · 10�14
BR(t ! c g) ⇠ 5 · 10�12
BR(t ! cH) ⇠ 3 · 10�15<latexit sha1_base64="/NCwTPTQ9cvGVV+1EeBKqsaZqFo=">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</latexit><latexit sha1_base64="/NCwTPTQ9cvGVV+1EeBKqsaZqFo=">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</latexit><latexit sha1_base64="/NCwTPTQ9cvGVV+1EeBKqsaZqFo=">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</latexit><latexit sha1_base64="/NCwTPTQ9cvGVV+1EeBKqsaZqFo=">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</latexit>
Estimated HL-LHC reach: BR(t ! qH) ⇠ 2 · 10�4<latexit sha1_base64="oPUjSLNDzf7P3MDsImxyx+OZE0Q=">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</latexit><latexit sha1_base64="oPUjSLNDzf7P3MDsImxyx+OZE0Q=">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</latexit><latexit sha1_base64="oPUjSLNDzf7P3MDsImxyx+OZE0Q=">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</latexit><latexit sha1_base64="oPUjSLNDzf7P3MDsImxyx+OZE0Q=">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</latexit>
• Most difficult at the LHC: t → c H• Test also of Higgs boson couplings• E.g. in Two-Higgs-Doublet models (2HDM):
BR(t ! cH) ⇠ 10�2 (tree), ⇠ 10�4 (loop)<latexit sha1_base64="0t1+osWep0p0JqaZzohy8knBuQ0=">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</latexit><latexit sha1_base64="0t1+osWep0p0JqaZzohy8knBuQ0=">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</latexit><latexit sha1_base64="0t1+osWep0p0JqaZzohy8knBuQ0=">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</latexit><latexit sha1_base64="0t1+osWep0p0JqaZzohy8knBuQ0=">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</latexit>
Look at e+e− → c t H, H → bb380 GeV, 500 fb−1 , pol.: -80%, 0%Simulation: 6 fermion (tt), 4 fermion, qq
F. Żarnecki, 2017
• Suppress non-tt background• Demand b tag > 0.2 on 2 jets• Removes 80% qq + 92% 4f
Selection efficiencies
95%CL w. 24 bkgd. events: BR(t → c H) × BR(H→bb) < 1.6·10−4
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 39Conclusions and Outlook
✴ e+ e− machines offers indispensable physics program e.g. 1506.05992
✴ Top physics precision program: top mass, top width, top Yukawa, αs
✴ Top threshold scan: high precision mass measurement (ΔMt ≈ 30-70 MeV)
✴ High precision top Yukawa measurement (needs 500 [550] GeV)
✴ Top: telescope to BSM physics
✴ Model discrimination with precision measurements
✴ Top flavor physics: search for flavor-changing top decays
✴ Top electroweak couplings: deviations guideline to distinguish BSM models
J.R.Reuter Top physics at lepton colliders Lecture, LC school, Frauenchiemsee, 12.05.18
/ 40 40Outlook to PDG 203x