2003 2003 62 CMB and DM (Cosmic Microwave Background and Dark Matter) ~ ~
-PIC PIC CMB DM http://www-cr.scphys.kyotou.ac.jp cr.scphys.kyotou.ac.jp/ member/miuchi/education/lecture/2003_1st/ up up 5 223 miuchi@cr.scphys.kyoto-u.ac.jpu.ac.jp
NASA/WMAP Science Team (http://lambda.gsfc.nasa.gov) NASA/WMAP Science Team (http://map.gsfc.nasa.gov)
1. 1. CMB CMB WMAP WMAP 2. 2. DM DM?
WMAP 2/12 Asahi.com
(K 1/10 5 ) 2001 WMAP Road to WMAP (Wilkinson Microwave Anisotropy Probe) 1965 Penzias & Wilson 1992 COBE
1. 1. CMB CMB WMAP WMAP 2. 2. DM DM?
NASA/WMAP Science Team (http://map.gsfc.nasa.gov//m_or.html WMAP 2001 630 (Kennedy Spaceflight Center) L2 Lagrange points
http://www.physics.montana.edu/faculty/cornish/lagrange.htm Lagrange points 5 L1~L3 L4~L SOHO WMAP - L4 L5
WMAP NASA/WMAP Science Team 140
NASA/WMAP Science Team WMAP 140 22 30 40 60 90 GH (13~3mm) 5 0.3 (COBE )
1. 1. CMB CMB WMAP WMAP 2. 2. DM DM?
l l ~ 360 l NASA/WMAP Science Team
NASA/WMAP Science Team COBE
WMAP CMB CBI CBIACBAR 2dFGRS Lyman forest
1. 1. CMB CMB WMAP WMAP 2. 2. DM DM?
4 : 40 / / /
1. 1. CMB CMB WMAP WMAP 2. 2. DM DM?
NASA/WMAP Science Team astro-ph/0302209 ph/0302209 tot =1.02 stars=0.005
=1.020.02 K =0 l = 225 ~0.8 180/0.8=225 K >0 l < 225 K < 0 l > 225 K =0 K < 0 K > 0 NASA/WMAP Science Team l ~225 0
=0.04 b NASA/WMAP Science Team - ( )
m NASA/WMAP Science Team m m l m =0.27
h 2 <0.076 DM DM = NASA/WMAP Science Team CDM (cold dark matter) or HDM (hot DM)? HDM
WMAP + WMAP+ h = 0.71 +0.04-0.03 m h 2 =0.135 +0.008-0.009 b h 2 = 0.0224 0.0009 tot = 1.02 0.02 DM CDM tot =1.02
1. CMB 1. CMB WMAP WMAP 2. 2. DM DM?
NIM A444(2000)569 Axion QCD CP Peccei- Quinn 1977 1eV 1meV 1meV CDM
Axion Nuclear Phys. B 91(2001)376
1. CMB 1. CMB WMAP WMAP 2. 2. DM DM?
SUSY j spin j -1/2 SUSY Neutralino χ gaugino higgsino χ = ~ ~ ~ a B + a W + a H + a 1 2 3 3 1 CDM gauge boson Higgs boson 4 ~ H 2 spin quark lepton 1/2 1/2 1 0 spin 0 0 1/2 1/2 ~ B ~ : bino gaugino W3 : wino ~ ~ H, H : higgsino 1 2 SUSY squark slepton gaugino Higgsino
trap SK ANTARES
flux
LEP2 e - + e + Z Higgs http://www.icepp.s.u-tokyo.ac.jp Z boson
37GeV ( PDG2002 http://www.icepp.s.u-tokyo.ac.jp LHC (Large Hadron Collider)
1. CMB 1. CMB WMAP WMAP 2. 2. DM DM?
<1event/kg/day LiF
H/M ( ) DAMA () CRESST I ( ) Tokyo () Ge NaI Al 2 O 3 LiF, NaF ~10 kg ~ 100 kg ~1 kg ~1 kg ( ) CDMS () EDELWEISS () CRESST II ( ) + ZEPLIN II () XMASS II () + Ge Xe + Xe Ge, Si CaWO 4 ~1 kg ~1 kg ~1 kg ~10 kg ~10 kg ( ) DRIFT (( ) ( CS 2 ~1 kg
EDELWEISS s exclusion limit (Phys. Lett. B 545 (2002) 43) Spin Independent Interaction Al 2 O 3 NaI Ge LiF Al 2 O 3 NaI NaI (Phys. Lett. B 545 (2002) 43) (Astropart. Phys. 18 (2002) 43 AMA s annual modulation signal (Phys. Lett. B 424 (1998) 448)
DAMA/NaI PLB 424 (1998) 195 Residual event rates in the 2-6 kev energy interval PLB 450 (1999) 440 PRD 61 (1999) 023512 PLB 480 (2000) 23 PLB 509 (2001) 197 PRD 66 (2002) 043503 S t 0 T = B + Acos[ ω( t t ~ 150 days = 2π/ ω 1 years )] A = (0.022 ± 0.005) cpd/kg/kev 0 period DAMA/NaI-0 DAMA/NaI-1 DAMA/NaI-2 DAMA/NaI-3 DAMA/NaI-4 DAMA/NaI-5 DAMA/NaI-6 DAMA/NaI-7 total kg day 4,123 4,549 14,962 22,455 16,020 15,911 16,608 17,226 107,731
? -PIC PIC (DRIFT (DRIFT 2mm) 2mm) -PIC PIC (X (X MeV MeV ) WIMP WIMP WIND WIND F - PIC PIC -PIC PIC
WMAP + CDM 23% 10+?