observable gravitational waves in minimal scotogenic modelseminar/pdf_2020_zenki/... · 2020. 7....
TRANSCRIPT
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Observable Gravitational Waves in Minimal Scotogenic Model
Kohei Fujikura (TokyoTech)
Debasish Borah (IIT Guwahati)This work in collaboration with:
Sin Kyu Kang (SeoulTech)Arnab Dasgupta (SeoulTech)
Devabrat Mahanta (IIT Guwahati)
Based on arXiv:2003.02276 1
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The Standard Model
CMS (2012)
✓ The SM is in agreement with collider experiments.
✓ In 2012, the SM-like Higgs boson was discovered by the LHC.
2
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・Dark matter
・Neutrino massesSM does not have DM candidate.
SM cannot explain tiny neutrino masses.
Problems in the SMThe SM cannot explain following phenomena:
We need a beyond standard model physics!3
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The subject today
Collider searches Gravitational wave
Scotogenic Model
4
-
Outline・Minimal Scotogenic Model
・A First-Order Electroweak Phase Transition
・Results
5
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SM + additional SU(2)w doublet + 3 right-handed neutrinos can explain following phenomena:
・Dark matter
・Neutrino masses
[E. Ma (2006)]
Scotogenic Model
6
-
The Scalar Potential
Invariant under the Z2 symmetry: S ! �S
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
Suppose that S does not acquire VEV. (Inert scalar doublet)
S is stable, i.e., cannot decay into the SM particles.7
V = �SM
✓|H|2 �
v2SM
2
◆2+ m21|S|2 + �1|H|2|S|2
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
+�2|H†S|2 + [�3(H†S)2 + h.c.] + �S|S|4
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
SM Higgs potential
S : SU(2)W doublet
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
H : SM Higgs doublet
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Three Right-handed Neutrinos
Lint �1
2(MN)ijNiNj + (YijL̄i eSNj)
<latexit sha
1_base64="kA7Q/4BVrlWB6
T3o0txw01ExAdQ=">AAAC0X
ichVHNaxQxFH8zftXxo1u9F
LwMLpUtwpJdCrY9FXvpQUvbd
dtKpwyZbLZNm/kgya6sYaB4
tH9AD54sFBH/DC+eBQ/9E8R
jBT148M3siohUX0jee7+838
svSZRJoQ0hp4574eKly1fGr
nrXrt+4OV6ZuLWu055ivM1S
marNiGouRcLbRhjJNzPFaRx
JvhHtLxb7G32utEiTJ2aQ8e
2Y7iSiKxg1CIUVGUSp7OhBjM
56QUzNLqPSPspDG6jYF4nJA
93LNDd+0FWU2UZum3ntcbg8
HVqxl/vLocC5d7/2tMyDiKq
CLfzgmehwI2SH21aOFdNeHl
aqpN4khfl/B4166UkVRraSV
t5AAB1IgUEPYuCQgMFYAgWN
YwsaQCBDbBssYgojUe5zyMF
Dbg+rOFZQRPdx3cFsa4QmmBc
9dclmeIrEqZDpwxT5RN6SM/
KBvCOfyY9ze9myR6FlgD4ac
nkWjr+cbH37LytGb2D3N+uf
mg10YbbUKlB7ViLFLdiQ339
+dNaaX5uy98gx+YL6X5NT8h
5vkPS/spNVvvYKPPyAX6/sn
x+sN+uNmfrc6kx14eHoK8bg
DtyFGr73A1iAJViBNp77Eb4
7juO6LXfgHrgvhqWuM+Lchj/
MPfwJ11izjA==</latexit>
Ni ! �Ni
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
S ! �S
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
Interactions with new particles preserve Z2 symmetry!
Interactions with SM particles:
•The inert scalar S: SU(2)W×U(1)Y gauge interactions and scalar-Higgs couplings!•Right-handed neutrinos: Yukawa couplings with SM leptons!
L̄ : SM leptons
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
Ni : right � handed neutrino
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
8
-
Two DM candidates
•A neutral component of the inert scalar.
•The lightest right-handed neutrino.
9
-
S =
✓H
+
H0
◆
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
Charged component
Neutral component(WIMP dark matter)
H0 =H + iA
p2
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
H: CP-even scalar
A: CP-odd scalar
Scalar masses
m±
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
mA
AAACd3ichVHLSiNBFD1pX7F9ZeJGcGEwKK6a20mPMa7U2czSV1RQCd1tRRv7RXcnTCb4A/6AC0FQGHTwM9z4Ay78BHGpIIILbzoRcaHeoureOnXPrVO3DN+2wojoNiF1dHZ19yR75b7+gcGh1I/0WuhVA1OUTM/2gg1DD4VtuaIUWZEtNvxA6I5hi3Vj/1fzfL0mgtDy3NWo7ottR991rYpl6hFD5VR6y/DsnbDusGvITnlePiinsqSoeTWv/cyQUiwWpwsFDiiXn85pGVWh2LJo26KXOscWduDBRBUOBFxEHNvQEfLYhAqCz9g2GowFHFnxucABZOZWOUtwhs7oPq+7vNtsoy7vmzXDmG3yLTbPgJkZTNAN/acHuqZLuqOXT2s14hpNLXX2Rosr/PLQ4cjK07csh32EvXfWl5ojVDATa7VYux8jzVeYLX7t79HDyuzyRGOSzuie9Z/SLV3xC9zao/lvSSwfQ+YPeOty5vNgLaeomqItadm5hfZXJDGKcUxxvwuYw28sosT3/sEJznGReJbGpElpqpUqJdqcYXwwSX0FPmCRXw==
mH
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
Chargedscalar
CP-oddscalar
CP-evenscalar
Stable
Scalar Masses
10
m2± = m21 +
1
2�1v
2SM
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
m2A = m21 +
1
2(�1 + �2 � 2�3) v2SM
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
m2H
= m21 +1
2(�1 + �2 + 2�3) v
2SM
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
-
Weakly Interacting Massive Particle (WIMP)
11
H (or A) scalar can be a DM candidate!
DM
DM
SM
SM
DM annihilation
•DM is thermally produced.•Freeze-out occurs when
�(T ) ' H(T )
<latexit sha1
_base64="k9tnt4ooluKAJsE
YkRyEObhnri8=">AAACiXich
VHLLgRBFD3aa7TXYCOx6RiEz
eSOSAwrYcHSa5AYmXS3Mir6p
btnkjHxA37AwopERGxs2dr4A
QufIJYkNhZu94yICG6n6546dc
+tU1WGZ8kgJHpsUBqbmltaE2
1qe0dnV3eyp3ctcEu+KXKma7
n+hqEHwpKOyIUytMSG5wvdNi
yxbuzNRevrZeEH0nVWw4ontm
y96MgdaeohU4XkUN5wre2gYn
Oqqvl53bb10dUxLR9IW+xrC4z
Vw0IyRelxikL7CTLpOFMK9Vh
0kxfIYxsuTJRgQ8BByNiCjoC
/TWRA8JjbQpU5n5GM1wUOobK
2xFWCK3Rm93gs8myzzjo8j3o
GsdrkXSz+fVZqGKYHuqQXuqcr
eqL3X3tV4x6Rlwpno6YVXqH7
qH/l7V+VzTnE7pfqT88hdpCN
vUr27sVMdAqzpi8fHL+sTC8P
V0fojJ7Z/yk90h2fwCm/mudL
YvkEKj/A5y1rv4O18XRmIj21
NJGama0/RQIDGMQo3/ckZrCAR
eR43yNc4wa3SruSUbLKdK1Ua
ahr+vAtlLkP2FSWTQ==</lat
exit>
Reaction rate Hubble parameter
•A correct DM abundance can be obtained with weak scale DM mass.mDM ⇠ O(1 ⇠ 100)GeV
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
-
Scalar DM
High DM mass regime
Low DM mass regimemDM < 80GeV
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
Assumption: 100% DM mDM > 550GeV
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
12[micrOMEGAs: arXiv:1305.0237]
-
The Direct Detection Constraint
13
DM
DM
SM
SM
Direct detection
•DM interacts with SM particles (Nucleon) via the SM Higgs.•Spin-independent (SI) cross-section with nucleon:
mh : SM Higgs mass
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
mn : Nucleon mass
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
µ = mnmDM/(mn + mDM)
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
�H = �1 + �2 + 2�3
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
m2DM
= m21 +1
2�Hv
2SM
AAACo3ichVFNS9xAGH6MtWq0ddVLwcvSZUUoLJNFqAoWsR4EKeiuq4K7hiQ7a4OTD5LswnbIH+gf6MGTpSLiz/AiXm0P/oTi0UIvHnyTDYiVtm/IvM888z7vPDNj+sIOI8au+5T+ZwPPB4eG1ZHRFy/HcuMTW6HXDixeszzhBTumEXJhu7wW2ZHgO37ADccUfNs8eJ+sb3d4ENqeuxl1fd5wjH3XbtmWERGl597VTU80w65DSaqOLlc+xHvl/GLe0bW98pt6KzAsqcWyHNcFdW0aulyNO7qsJmVqrOcKrMTSyD8FWgYKyGLdy52gjiY8WGjDAYeLiLCAgZC+XWhg8IlrQBIXELLTdY4YKmnbVMWpwiD2gMZ9mu1mrEvzpGeYqi3aRdAfkDKPIvvBTtktu2Bn7Ce7+2svmfZIvHQpmz0t9/Wxz6+qv/+rcihH+Pig+qfnCC3MpV5t8u6nTHIKq6fvfPpyW12oFOU0+8puyP8Ru2bndAK388s63uCVQ6j0ANqf1/0UbJVL2mxpfmO2sLScPcUQpvAaM3Tfb7GEVayjRvt+wyWu8F0pKmtKRdnslSp9mWYSj0Jp3APPx6F9
�SI ⇠ �2Hµ2m2
n
m4hm2
DM
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
-
Direct Detection Constraint (Scalar DM)
14
0 < m1 < 50 GeV
m1 > 50 GeV
Xenon1T (2018)
20 40 60 8010-11
10-10
10-9
10-8
10-7
10-6
mDM (GeV)
SI(pb)
Ruled out!
A small dark matter coupling is needed!
(A small m1 is ruled out!)
�H = �1 + �2 + 2�3
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
m2DM
= m21 +1
2�Hv
2SM
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
-
Two DM candidates
•A neutral component of the inert scalar.
•The lightest right-handed neutrino.The direct detection constraint is stringent.H (or A) boson should be the lightest state.
15
-
Fermion DM (1)
16
Masses for Z2 odd particles
m±
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mA
<latexit sha1_base64="WM7N
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y/DsnbDusGvITnlePiinsqSoeTWv/cyQUiwWpwsFDiiXn85pGV
Wh2LJo26KXOscWduDBRBUOBFxEHNvQEfLYhAqCz9g2GowFHFnx
ucABZOZWOUtwhs7oPq+7vNtsoy7vmzXDmG3yLTbPgJkZTNAN/a
cHuqZLuqOXT2s14hpNLXX2Rosr/PLQ4cjK07csh32EvXfWl5oj
VDATa7VYux8jzVeYLX7t79HDyuzyRGOSzuie9Z/SLV3xC9zao/l
vSSwfQ+YPeOty5vNgLaeomqItadm5hfZXJDGKcUxxvwuYw28so
sT3/sEJznGReJbGpElpqpUqJdqcYXwwSX0FPmCRXw==</latex
it>
mH
<latexit sha1_base64="4BgK
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2EgsTEyIVed2azFjJWwsvQYJMuluhY5+pbtnYkz8gB+wkEhIBP
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FZddVXaL8/JRMZ0lJZ8nXZ/MkDJJmqblOKAJLZdXM6pCiWXRsA
U/fYVNbMOHhRJcCHiIOXZgIOKxARWEgLEtVBkLObKTc4EjyMwt
cZbgDIPRfV53ebfRQD3e12pGCdviWxyeITMzGKUHuqEXuqdbeq
KPX2tVkxo1LRX2Zp0rgmLv8eDy278sl32MvW/Wn5pj7CCXaLVZ
e5AgtVdYdX758ORleXpptDpGF/TM+s/pke74BV751bpcFEunkPk
Dvrqc+T1Y1RRVV/RFPTsz2/iKdgxhBOPc7ynMYB4LKPC9BzjDF
a5T79KwNCaN11OlVIMzgB8mqZ89R5Fe</latexit>
Chargedscalar
CP-oddscalar
CP-evenscalar
MN
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
Right-handed neutrino
There is no restriction on scalar masses!
(The charged scalar can be light.)
DM
DM
SM
SM
DM annihilation
N1
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
N1
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
-
Fermion DM (2)
The direct detection constraint is not relevant!
(The fermion DM does not couple to the SM Higgs at tree level!)
The charged scalar can be lighter than neutral component.
Assumption: 100% DM
17
-
Scalar VS Fermion DMScalar DM Fermion DM
18
-
Two DM candidates
•A neutral component of the inert scalar
•The lightest right-handed neutrinoThe direct detection constraint is not relevant.
The direct detection constraint is stringent.H (or A) boson should be the lightest state.
The charged scalar can be lighter than neutral component.
19
-
Two DM candidates
•A neutral component of the inert scalar
•The lightest right-handed neutrinoThe direct detection constraint is not relevant.
The direct detection constraint is stringent.H (or A) boson should be the lightest state.
The charged scalar can be lighter than neutral component. However, Yukawa interactions with SM leptons are sources of
lepton flavor violation processes. (Discuss later) 20
-
SM + additional SU(2)w doublet + 3 right-handed neutrinos can explain following phenomena:・Dark matter
・Neutrino masses
The inert (scalar) dark matterThe lightest right-handed neutrino
[E. Ma (2006)]
Scotogenic Model
21
DM
DM
SM
SM
DM annihilation
-
Neutrino massesNeutrino masses are generated radiatively!
22
Lint �1
2(MN)ijNiNj
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
+(YijL eSNj + h.c.)
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
Yukawa interaction and Majorana mass
Lint � �3(H†S)2 + h.c.
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
Higgs-scalar doublet interaction hHi
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
hHi
AAAChXichVHLLgRBFD3aa7TXYCOx6ZgQG5M7MkFsCBtLr0FiZNLdyuiofqS7Z5Ixma2FH7CwIhERtvyAjR+w8AliSWJj4XbPiIjgdrruqVP33DpVZXjSCkKixyaluaW1rT3RoXZ2dff0Jvv61wO35JsiZ7rS9TcNPRDSckQutEIpNj1f6LYhxYaxvxCtb5SFH1iusxZWPLFt60XH2rVMPWSqkNTyhit3gorNqarmpe4UpdAWtbwfI7VWSKYoPUFRaD9BJh1nSqERS27yAnnswIWJEmwIOAgZS+gI+NtCBgSPuW1UmfMZWfG6QA0qa0tcJbhCZ3afxyLPthqsw/OoZxCrTd5F8u+zUsMIPdAlvdA9XdETvf/aqxr3iLxUOBt1rfAKvUeDq2//qmzOIfa+VH96DrGL6dirxd69mIlOYdb15YPjl9WZlZHqKJ3RM/s/pUe64xM45VfzfFmsnEDlB/i8Ze13sD6RzmTT2eVsam6+8RQJDGEYY3zfU5jDIpaQ430PcY0b3CrtyriSVSbrpUpTQzOAb6HMfgBWX5XA
H0
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
H0
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
⌫i
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
⌫j
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
Nk
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
�3
<latexit sha1_base64="atz8+bhMSezpMrw6mkYRFIpyyZ
4=">AAACfXichVFLbhpBEH1Mfs7kA443SN4gI6wsolENAYOyQs7GS/8ASwahmaGNR/R8NDMgEWQfwBfwwitbiSwrii/hTS
6QBUeIsiRSNpbsYiCKsiCpVndVv65X/bra9KUdRkSjhPLg4aPHTxaeqs+ev3iZTC2+qoVeL7BE1fKkF+yZRiik7YpqZEdS
7PmBMBxTirrZfT85r/dFENqeuxsNfNF0jI5rH9iWETHUSqUbpifb4cBhN1Qbkplto/VWPWqlsqTRWrGglzOkFUkv60UO8kW
dKJ/RNYoti5lteqlLNNCGBws9OBBwEXEsYSDksQ8dBJ+xJoaMBRzZ8bnAEVTm9jhLcIbBaJfXDu/2Z6jL+0nNMGZbfIvkG
TAzgxx9oysa01f6TN/pdm6tYVxjomXA3pxyhd9KnqR3fv2X5bCPcPiH9U/NEQ5QjrXarN2PkckrrCm//+F0vPNuOzdcpQv
6wfrPaUQ3/AK3/9P6tCW2z6DyB/zucmZ+UMtrekErbBWylfXZVyxgGSt4zf0uoYINbKLK9x7jI77gOnGn5JQ3ijZNVRIzzh
L+MqV0D6DWk8I=</latexit>
Yik
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
Ykj
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
-
23
hHi
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
hHi
AAAChXichVHLLgRBFD3aa7TXYCOx6ZgQG5M7MkFsCBtLr0FiZNLdyuiofqS7Z5Ixma2FH7CwIhERtvyAjR+w8AliSWJj4XbPiIjgdrruqVP33DpVZXjSCkKixyaluaW1rT3RoXZ2dff0Jvv61wO35JsiZ7rS9TcNPRDSckQutEIpNj1f6LYhxYaxvxCtb5SFH1iusxZWPLFt60XH2rVMPWSqkNTyhit3gorNqarmpe4UpdAWtbwfI7VWSKYoPUFRaD9BJh1nSqERS27yAnnswIWJEmwIOAgZS+gI+NtCBgSPuW1UmfMZWfG6QA0qa0tcJbhCZ3afxyLPthqsw/OoZxCrTd5F8u+zUsMIPdAlvdA9XdETvf/aqxr3iLxUOBt1rfAKvUeDq2//qmzOIfa+VH96DrGL6dirxd69mIlOYdb15YPjl9WZlZHqKJ3RM/s/pUe64xM45VfzfFmsnEDlB/i8Ze13sD6RzmTT2eVsam6+8RQJDGEYY3zfU5jDIpaQ430PcY0b3CrtyriSVSbrpUpTQzOAb6HMfgBWX5XA
H0
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
H0
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
⌫i
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
⌫j
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
Nk
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
�3
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
Yik
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
Ykj
AAACenichVHLSsNAFD2N7/iqiiC4KRZFEcqtRrSuRDcurVofqJQkHTU2L5K0UEN/wB9w4UpBRPsZbvwBF36CuFRw48LbtCIu1Bsy98yZe+6cmdFc0/ADoqeY1NLa1t7R2SV39/T29ccHBrd8p+TpIqc7puPtaKovTMMWucAITLHjekK1NFNsa8WV+vp2WXi+4dibQcUVB5Z6ZBuHhq4GTOXjw/uaYxb8isUplHfzYfGkKlfz8SSlFOKYT0QgTbMMMpmFublMIp2iKJJoxpoTv8E+CnCgowQLAjYCxiZU+PztIQ2Cy9wBQuY8Rka0LlCFzNoSVwmuUJkt8njEs70ma/O83tOP1DrvYvLvsTKBcXqkW3qlB6rRM3382iuMetS9VDhrDa1w8/1nIxvv/6oszgGOv1V/eg5wiIXIq8He3Yipn0Jv6Mun568bi+vj4QRd0Qv7v6QnuucT2OU3/Tor1i8g8wN83XLid7A1k0orKSWrJJeWm0/RiVGMYZLvex5LWMUacrxviEvcoRb7kMakKWm6USrFmpoh/AhJ+QSUZ5Lk
'�3v2SM16⇡2
YikYkj
Mk
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
(m⌫)ij =
<la
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late
xit>
One-loop suppression!
Thanks to the one-loop suppression, tiny neutrino masses are generated with TeV scale Majorana masses!
e.g.)�3 = 0.01
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
M ⇠ 1TeV
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
m⌫ ⇠ 1eV
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
[E. Ma 2006]
Neutrino masses
Y ⇠ O(0.1)
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
-
Lepton Flavor Violation (LFV)
0e
)/BR
exp(->e
)
LFV constraint can be evaded with small Yukawa couplings!A correct DM abundance is obtained by coannihilation
with the charged scalar.
In the SM, LFV is generated at one-loop which is suppressed by tiny neutrino masses.
5
η+
η+
Ni
"α
"β
γ
Ni "β
η+
"α
"β
γ
"αNi
η+"α
"β
γ
FIG. 1: 1-loop Feynman diagrams leading to #α → #βγ.
III. ANALYTICAL RESULTS
In this section we present our analytical results for the LFV processes #α → #βγ, #α → 3 #β and
µ− e conversion in nuclei. Before we proceed to the analytical discussion a comment is in order. It
is well-known that the rates for LFV processes get greatly enhanced in models with right-handed
neutrinos at the electroweak scale [34–42]. This is due to the fact that the GIM suppression at
work in the SM contribution is spoiled by the mixing between left- and right-handed neutrinos.
One could naively think that this is also the case in the scotogenic model. However, the unbroken
Z2 symmetry forbids this mixing, (see footnote 2), and thus the enhancement in the W − ν loops
is not present. We will show that the enhancement is still possible, but with η±−N loops instead.
A. #α → #βγ
The most popular searches for LFV have focused on the radiative process #α → #βγ. This is
described by the effective Lagrangian
Leff =(µβα
2
)
#βσµν#αFµν , (12)
where µβα is a transition magnetic moment. It proves convenient to define it in terms of the
dipole form factor AD as µβα = emαAD/2, where terms proportional to mβ have been neglected
and e is the electromagnetic coupling, related to the electromagnetic fine structure constant as
αem = e2/(4π). In the model under consideration, AD gets contributions at the 1-loop level from
the Feynman diagrams in Fig. 1. They lead to the following expression
AD =3∑
i=1
y∗iβyiα
2(4π)21
m2η+F2 (ξi) , (13)
H+
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
H+
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
Yi↵
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
Y�i
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
24[arXiv:1312.2840]
[SPheno 3.1: arXiv:1104.1573]
-
Fermion DM (3)
25
-
Scotogenic Model
・Dark matter
・Neutrino massesRight-handed neutrino
hHi
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
hHi
AAAChXichVHLLgRBFD3aa7TXYCOx6ZgQG5M7MkFsCBtLr0FiZNLdyuiofqS7Z5Ixma2FH7CwIhERtvyAjR+w8AliSWJj4XbPiIjgdrruqVP33DpVZXjSCkKixyaluaW1rT3RoXZ2dff0Jvv61wO35JsiZ7rS9TcNPRDSckQutEIpNj1f6LYhxYaxvxCtb5SFH1iusxZWPLFt60XH2rVMPWSqkNTyhit3gorNqarmpe4UpdAWtbwfI7VWSKYoPUFRaD9BJh1nSqERS27yAnnswIWJEmwIOAgZS+gI+NtCBgSPuW1UmfMZWfG6QA0qa0tcJbhCZ3afxyLPthqsw/OoZxCrTd5F8u+zUsMIPdAlvdA9XdETvf/aqxr3iLxUOBt1rfAKvUeDq2//qmzOIfa+VH96DrGL6dirxd69mIlOYdb15YPjl9WZlZHqKJ3RM/s/pUe64xM45VfzfFmsnEDlB/i8Ze13sD6RzmTT2eVsam6+8RQJDGEYY3zfU5jDIpaQ430PcY0b3CrtyriSVSbrpUpTQzOAb6HMfgBWX5XA
H0
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
H0
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
⌫i
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
⌫j
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
Nk
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
�3
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
Yik
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
Ykj
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
DM
DM
SM
SM
SM + additional SU(2)w doublet + 3 right-handed neutrinos can explain following phenomena:
26
The inert (scalar) dark matterThe lightest right-handed neutrino
-
Summary of Scotogenic Model
•The minimal scotogenic model can explain the DM and tiny neutrino masses.•The lightest neutral inert scalar or the right-handed neutrino can be a DM candidate.•In the scalar DM scenario, the direct detection constraint is stringent.•In the fermion DM scenario, LFV processes give a stringent constraint (depending the size of Yukawa coupling).
27
-
Outline・Minimal Scotogenic Model
・A First-Order Electroweak Phase Transition
・Results
28
-
First-order phase transition proceeds through bubble nucleation.
Three sources of the Gravitational Wave:
Bubble collisions
Sound Waves of the plasma
Turbulence of the plasma
First-order Phase Transitions
Tunneling!
[Kosowski et al. 1992]
[Hindmarsh et al. 2014]
[Kamionkowski et al. 1993]29
-
Detections of Gravitational Wave (GW)
http://gwplotter.com 30
-
31
Electroweak Phase Transition (EWPT)
•EWPT in the SM is not of first order.
•EWPT in the inert doublet model can be of strong first order.
[M. LAINE (2000)]
[arXiv:1204.4722]
[arXiv:9510020]
-
The scalar potential
V = �SM
✓|H|2 �
v2SM
2
◆2+ m21|S|2 + �1|H|2|S|2
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
+�2|H†S|2 + [�3(H†S)2 + h.c.] + �S|S|4
AAACwnichZHNbtNAEMf/NV/FfDTApRKXFVFRUSRrYiKBOFXQQ49tQ9pKcRLZzjY1XX9gO5GCkxfoC/TACSSEEI/RCy/AoY9QcSNIXDgwdhIQQoW1vDP7n/nNzu46kfKSlOh0Qbtw8dLlK4tX9WvXb9xcKt26vZOE/diVDTdUYbzn2IlUXiAbqZcquRfF0vYdJXedw2d5fHcg48QLg+fpMJIt3+4F3r7n2ilLnVLLckLVTYY+m0yvWIrRrt0xxWijbXXtnqiP2mZFNOeBh2J1HnjQNkUls2JfHBiuMRatX3RdjBir6eNOqUyGSfkQfztVo7BUxmxshqX3sNBFCBd9+JAIkLKvYCPhr4kqCBFrLWSsxex5RVxiDJ3ZPmdJzrBZPeS5x6vmTA14nddMCtrlXRT/MZMCK/SZPtCEPtFHOqMf59bKihp5L0O2zpSVUWfpaLn+/b+UzzbFwW/qnz2n2MfjolePe48KJT+FO+UHr44n9SfbK9l9ektfuP83dEonfIJg8M19tyW3X0PnB5jfsjjf2TGNas2obdXKa09nT7GIu7iHVb7vR1jDBjbR4H1PcIavmGjr2gvtpZZMU7WFGXMHfwxt9BNo6qso
SM Higgs potential
32
S : SU(2)W doublet
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
H : SM Higgs doublet
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
The tree level potential is same as SM.
How is the strength of the phase transition changed?
-
�SM
4�4
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
M2(T )
2�2
AAACiXichVE9T9tQFD0YaMHQksKCxBIRqOgSXZsACROCpQsSXwEkQiPbvMAT/pLtRApW/gB/gIEJJISqLl3blYU/wMBPQIwgsTBw7QRVHWiv5XfPO++e+857z/RtGUZEt11Kd0/vu/d9/erA4IePQ5lPw5uhVw8sUbY82wu2TSMUtnRFOZKRLbb9QBiOaYst83ApWd9qiCCUnrsRNX2x6xj7rqxJy4iYqmYmKqZn74VNh1OsVmqBYcXL3/SpjS+tWG9V/AOpq61qJkd5mp0pTVOW8jOkzZVKDIhmi9N6VmOQRA6dWPEyl6hgDx4s1OFAwEXE2IaBkL8daCD4zO0iZi5gJNN1gRZU1ta5SnCFwewhj/s82+mwLs+TnmGqtngXm/+AlVlM0g19pwe6ph90R89v9orTHomXJmezrRV+deh4dP3pvyqHc4SDP6p/eo5QQzH1Ktm7nzLJKay2vnF08rA+vzYZf6Zzumf/Z3RLV3wCt/FoXayKtVOo/ACvt5x9G2zqea2QL6wWcguLnafowxjGMcX3PYcFfMUKyrzvMX7iF34rA4qmFJX5dqnS1dGM4K9Qll4AHgeXag==
Ve↵ =M2(T )
2�2 � ET�3 +
�SM
4�4
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
Thermal fluctuation
�ET�3
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Potential barrier comes from bosons!(Matsubara zero-modes)
Standard Model: SU(2)W ⇥ U(1)Y
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This model: SU(2)W ⇥ U(1)Y
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
+ one scalar doublet
A Potential BarrierThermal effective potential at one-
loop order
�
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
33
-
Overview of Calculation Method
Quantum and Thermal effects
GW spectrum
Solve bounce eq.
Fix a model
Bubble dynamicsBubble wall velocity:
Efficiency factor:
etc..
34
-
Important parameters for GWGW amplitude is related to two important parameters.
Vacuum energy difference:
Duration of phase transition:
Vacuum decay rate
Linde.(1983)
Bubble nucleation rate per unit time per unit volume
Tunneling occurs at
35
-
GW amplitude
Quadra-pole formula:
Bubble size at collision:
Bubble volume
Large vacuum energy and long-duration enhance the GW amplitude.⌦GW ⇠
✓H
�
◆2 ✓↵
1 + ↵
◆2v3w
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
efficiency factor:
36
EGW ⇠Z
dtPGW ⇠ ��1PGW
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
-
The Scalar Potential
V = �SM
✓|H|2 �
v2SM
2
◆2+ m21|S|2 + �1|H|2|S|2
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+�2|H†S|2 + [�3(H†S)2 + h.c.] + �S|S|4
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
SM Higgs potential
S : SU(2)W doublet
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H : SM Higgs doublet
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No couplings between SM Higgs and the additional scalar!
m1 ! 1
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
S is heavy so that it does not contribute to the thermal effective potential. 37
�H(A) ⌘ �1 + �2 ± 2�3
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�1,�H ,�A ! 0
<la
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-
38
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Standard Model (small E) SM + one scalar doublet (large E)
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Small tunneling rate
Large tunneling rate
�
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Effective Potential and Tunneling Rate
-
39
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Standard Model (small E) SM + one scalar doublet (large E)
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:large!
�(T⇤)/T⇤ ⌧ 1
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�(T⇤)/T⇤ & 1
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Small tunneling rate
Large tunneling rate
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Effective Potential and Tunneling Rate
-
Effective Potential and Tunneling Rate
�SM
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Standard Model (small E) SM + one scalar doublet (large E)
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�ET�3
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