1 st multidark workshop ucm-gae in multidark: indirect searches for dm with the magic telescopes...
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11stst MultiDark Workshop MultiDark Workshop
UCM-GAE in MultiDark: Indirect searches for DM with
the MAGIC Telescopes
Juan Abel Barrio Universidad Complutense de Madrid, January 2010
Juan Abel Barrio, GAE-UCM, January 2010 1st MultiDark Workshop, Univ. Autónoma de Madrid
MAGIC
2
ContentsContents
UCM-GAE
IACT DM searches: MAGIC results
Activities: Dark Matter
Prospects ?
Juan Abel Barrio, GAE-UCM, January 2010 1st MultiDark Workshop, Univ. Autónoma de Madrid
MAGIC
– 3 staff professors: V. Fonseca, J.L. Contreras, J.A. Barrio
– 1 Ramón y Cajal: N. Mirabal
– 4 PhD students: I. Oya, D. Nieto, S. Pardo, R. García
– 2 electronic engineers: L.A. Tejedor, J.L. Lemus
Members:
3
The groupThe group
History:– High Energy Physics: DELPHI @ LEP (85 – 95)
– Astroparticle Physics: HEGRA, MAGIC, CTA (87 – 27?)
Juan Abel Barrio, GAE-UCM, January 2010 1st MultiDark Workshop, Univ. Autónoma de Madrid
MAGIC
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Group activitiesGroup activitiesMAGIC:
– Data pipeline: Onsite analysis
– Central Pixel of M-I for optical/gamma observation
– M-I readout upgrade (along with IFAE)
– Physics:
CTA:– Physics & data pipeline
– Low energy telescopes: trigger & solid state photosensors
– Site selection: Tenerife for Northern site
Pulsars & AGNs Dark matter: dSphs & Fermi “dark” sources
Juan Abel Barrio, GAE-UCM, January 2010 1st MultiDark Workshop, Univ. Autónoma de Madrid
MAGIC
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Standard Standard sources sources
-
0
+
(TeV)
p+ (>>TeV)
matter
hadronic production
e- (TeV) Synchrotron (eV-keV)
(TeV) Inverse Compton (eV)
B
leptonic production
E2 d
F/d
E
energy E
0decay
IC
CR at source– Hadronic production
– Leptonic production
(TeV)
Photon flux:
(E E0) E
Juan Abel Barrio, GAE-UCM, January 2010 1st MultiDark Workshop, Univ. Autónoma de Madrid
MAGIC
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DM DM indirectindirect searches searches
SUSY Dark matter– Neutralino as WIMP
continuumf f–
– BRi , N ,i
– Model dependent Photon flux
(E E0) 1
4N(E E0) v
2m2
J
Particle Physics Astrophysics
Particle PhysicsParticle Physics
loop supresssed~ ~
Juan Abel Barrio, GAE-UCM, January 2010 1st MultiDark Workshop, Univ. Autónoma de Madrid
MAGIC
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DM indirect searchesDM indirect searches
Astrophysical factor
– High M/L, distance vs. ρDM
Milky Way Galactic Center Milky Way dSph satellites Globular Clusters Nearby galaxies Clusters of galaxies Space missions “dark” sources
AstrophysicsAstrophysics
J
1
B d DM
2 d
Candidates
rfrrDM
MAGIC 2007
Draco
Cusp: ~ 1
Core: ~ 0
Juan Abel Barrio, GAE-UCM, January 2010 1st MultiDark Workshop, Univ. Autónoma de Madrid
MAGIC
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Galactic Center searchesGalactic Center searches
at GC by HESS
– Match BH @ SGR A*
– Tail not NFW like
– Spectrum not DM like
at GC by MAGIC
– Consistent with HESS
– Higher threshold
– IFAE
10-13
10-12
10-11
0,1 1 10
E2 F
(E)
[Te
V/c
m2 s]
E [TeV]
20 TeV Neutralino
20 TeV KK particle
– Boost factors ~ 102
Juan Abel Barrio, GAE-UCM, January 2010 1st MultiDark Workshop, Univ. Autónoma de Madrid
MAGIC
MAGIC 2007
Draco
9
MW Satellite searchesMW Satellite searches
Standard MW satellites
– Traditional opt. telescopes
– Close, large M/L
– Draco, UMi, …
New MW satellites– Discovered by SDSS
– Largest M/L
– Willman I, Segue I
– MAGIC (UCM-GAE, IAA), Others
Draco
Internal Bremmstrahlung
MAGIC 2008 Willman 1
52170 105.3 cmGeVJ
– MAGIC (IAA), Others
Juan Abel Barrio, GAE-UCM, January 2010 1st MultiDark Workshop, Univ. Autónoma de Madrid
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Other objects searchesOther objects searches
Galaxy Clusters
– Far / huge mass, large M/L
– Perseus, Coma
– Close, cuspy, large M/L
– M5, M32, M33 U.L.
– VERITAS
– MAGIC (IAA), HESS
Local Galaxies / Glob. Cl.
52160 104.1 cmGeVJ
MAGIC 2009 Perseus
410B
Juan Abel Barrio, GAE-UCM, January 2010 1st MultiDark Workshop, Univ. Autónoma de Madrid
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Space mission dark sourcesSpace mission dark sources Reason
– Substructures / IMBH “Dark” (non-associated) sources
– Satellites find hard/“dark” sources
– IACTs find cutoff
Strategy
– Fermi TeV candidates in EMS
1st try
– Recently variable (priv. comm. Emax< 30 GeV ) Rejected
2004
– UCM-GAE (Nieto & Mirabal) Single candidate
EMSXX
Juan Abel Barrio, GAE-UCM, January 2010 1st MultiDark Workshop, Univ. Autónoma de Madrid
MAGIC
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CTA ProspectsCTA Prospects
Sm
ith
(V
ER
ITA
S)
200
9
Juan Abel Barrio, GAE-UCM, January 2010 1st MultiDark Workshop, Univ. Autónoma de Madrid
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ConclusionsConclusions
UCM-GAE
IACT DM searches:
– No signal from Galactic Center
– No signal from MW Satellites or GC
– Current last chance: space missions IACTs
– CTA will have a chance
– Currently involved in MAGIC DM seaches
– Expertise in handling Fermi data required / ¿possible?
– Midterm manpower required to continue DM MAGIC
Juan Abel Barrio, GAE-UCM, January 2010 1st MultiDark Workshop, Univ. Autónoma de Madrid
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Clusters of Galaxies searchesClusters of Galaxies searches
Perseus
Sanchez-Conde 2008
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