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Comptes Rendus Physique
Volume 4, n° 8
pages 841-852 (octobre 2003)
Doi : 10.1016/j.crhy.2003.09.003
The MAXIMA experiment: latest results and consistency tests

R.  Stompor ab ,  S.  Hanany c ,  M.E.  Abroe c ,  J.  Borrill ab ,  P.G.  Ferreira d ,  A.H.  Jaffe e ,  B.  Johnson b ,  A.T.  Lee fg ,  B.  Rabii bf ,  P.L.  Richards fg ,  G.  Smoot bfg ,  C.  Winant f ,  J.H.P.  Wu h
aComputational Research Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA 
bSpace Sciences Laboratory, University of California, Berkeley, CA 94720, USA 
cSchool of Physics and Astronomy, University of Minnesota, Minneapolis, MN 55455, USA 
dAstrophysics and Theoretical Physics, University of Oxford, Oxford, UK 
eAstrophysics Group, Blackett Laboratory, Imperial College, London SW7 2BW, UK 
fDepartment of Physics, University of California, Berkeley, CA 94720, USA 
gPhysics Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA 
hDepartment of Physics, National Taiwan University, Taipei, Taiwan 

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The MAXIMA cosmic microwave background anisotropy experiment had a significant impact on cosmology. Results from the program have played a significant role in determining the geometry of the universe, given strong supporting evidence to inflation, and, in combination with other astrophysical data, showed that the universe is filled with dark matter and energy. We present a subset of the internal consistency checks that were carried out on the MAXIMA-1 data prior to their release, which demonstrate that systematics errors were much smaller than statistical errors. We also discuss the MAXIMA-2 flight and data, compare the maps of MAXIMA-1 and -2 in areas where they overlap and show that the two independent experiments confirm each other. All of these results demonstrate that MAXIMA mapped the cosmic microwave background anisotropy with high accuracy. To cite this article: R. Stompor et al., C. R. Physique 4 (2003).

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L'expérience MAXIMA de mesure des anisotropies du fonds de rayonnement cosmique (CMB) a eu un impact significatif sur la cosmologie. Les résultats de ce programme ont joué un rôle important pour la détermination de la géométrie de l'univers, ont apporté de fortes indications expérimentales en faveur de l'inflation, et en combinaison avec d'autres données astrophysiques, ont montré que l'univers est constitué principalement de matière et d'énergie noires. Nous présentons une partie de la batterie de vérifications internes qui ont été appliquées aux données du vol MAXIMA-1 avant leur publication. Ces tests ont démontré que les erreurs systématiques étaient bien plus petites que les erreurs statistiques. Nous discutons également du vol et des données MAXIMA-2, comparons les cartes des vols MAXIMA-1 et -2 dans les régions de chevauchement et montrons que les deux expériences indépendantes se confirment mutuellement. Tous ces résultats démontrent que MAXIMA a cartographié les anisotropies du CMB avec une grande précision. Pour citer cet article : R. Stompor et al., C. R. Physique 4 (2003).

Mots clés  : MAXIMA ; Cosmic microwave background anisotropy ; Cosmology ; Early Universe.

Mots clés  : MAXIMA ; Anisotropies du fonds de rayonnement cosmique ; Cosmologie ; Univers primordial.




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