SIRPOL B

CMB

13710-36 CMB381016104123

CMBDECIGOcorrelated

xy

xy

7CMBCMBLast scattering surface2008/2/20

13710-36 3878Stokes parameters

=0 ,=/2 xy xy

8(V=0)EB

xy

Xz

E

BX

EB

CMB xyXxx

E

EB(X xyE

xyBCMBB

EB

Primordial B

Scalor-tensor ratio r: E_i energy scale of the inflation epoch

Inflationary consistency relation: n_grav power spectrum index of the primordial gravitational waves 14

Pagano-Cooray-Melchiorri-Kamionkowski 2007WMAP5yrs+BAO +SDSSBB15

B-mode: r ~ 0.001 (statistical + instrumental) Figure byYuji ChinoneReionization bumpHorizon size at Simulated Primordial B mode all sky mapby Yuji Chinone

17

Planck18

However, for B-mode, r ~ 0.1 (no big improvement expected)

E-modeup tol ~ 1000Funded CMB Polarization Experiments((near) completed: Bicep1, Boomerang, CBI, DASI, Maxipol, QUaD, WMAP, VSA) NameType/locationInstitutionsNEQ(mKs)Ell rangeFrequencies

#Detectors

Resolution

PlanckBolo-HEMT/SpaceESA, IAS-Orsay, Bologna + many80(@100G)2-200025-100022H+32B(# of pol. ch)8SpiderBolo/BalloonCIT/JPL,CITA, CWRU,Stanford4/3 (@96/145G)2-25040,90,150,220~200040BICEP2Bolo/South PoleCIT/JPL,CITA,Stanford

10-25015051240CloverBolo/ChileCardiff, Oxford, Cambridge, Manchester12(@90G)20-100090,150,225200-40010QUIETHEMT/ChileChicago, CIT, JPL, KEK, Manchester, Miami, MPI, Oxford, Princeton, Stanford12/9 (@40/90G)20-100040,90119x21000x2(P2)10EBEXBolo/BalloonMinn, Berkeley, Brown, Cardiff, Columbia, McGill +85 (@150G)20-1200150,250,42014068PolarBeaRBolo/ChileBerkeley,APC, Cardiff,Colorado, Imperial, KEK, McGill,UCSD10(@150G)20-300090,150,22012743.5SPTPOLBolo/South PoleChicago,Berkeley, Colorado, CWRU, Davis, JPL, McGill,SAO1420-1000090,150,201000-20001.1(Proposed: ACT-POL, SPUD)compiled by Adrian Lee + MHEveryone except Planck claims r=O(0.01) sensitivity and results in 5 yrs.19B20

B-mode: r ~ 0.001 (statistical + instrumental) Figure byYuji ChinoneReionization bumpHorizon size at

WCMBCMB B

CMB:12

A4QUIETCMB

2122

Verde-Peiris-Jimenez 2005QUIET+PolarBearPOLARBeaRCMB

COBE/FIRAS

COBE/DIRBEIRASSchlegel etal. (1998)

Schlegel etal.(1998)PLANCK

Planck26

Provide Unique data for dust components separation

E-modeup tol ~ 1000Goal for future CMB satellite27

LiteBIRD (+Lite (light) Satellite for the studies of B-mode polarization andInflation from cosmic background Radiation DetectionLeader: M.Hazumi (KEK) Small is beautiful ! JAXACryostatEPIC1/3The entire satellite will be in a big cryochamber for testing.

28

20089WGPlanckQUIET+PolarBeaRCMB29

LiteBIRDPlanckQUIET+PolarBeaRBLiteBIRDQUIET+PolarBearPlanck(LiteBIRD)30Foreground removal31

Delensing r=T/S=0.01r=0.001Planckr=0.001 Primordial CMB B mode polarization B

Heiles 9286P0.03-0.4%FWHM=9.2Gaussian windowWMAP

WMAPK

-11Zlogarithmic spiral arm1Anomalous emission

V

0.05%1.5%Archeops143, 217, 343, 545GHzCatalogue Magnitude Full Sky > 24 > 24|b| > 10GGSS 9 < V < 10 216 178 146GGSS 10 < V < 11 2039 1457 1121Tycho 9 < V < 10 61871 36880 28977Tycho 10 < V < 11 141065 82509 625411*QUIET 15

37

2008/02/05 38Input data

30 GHz44 GHz100 GHz70 GHzNoise: 10KNumber of data 200000Number of parameter150000CMB382008/02/05 39

392008/02/05 40Combined Prior

MAPDIFCMBAINDEX4041

Basic: only spectral index prior was used41Histogram2008/02/05 42

123Cl Posterior [combined prior]Our template free methods works at least up to l=50 42