Measurement of the background in the NEMO 3 double beta decay experiment

Authors :: NEMO Collaboration
Argyriades, J.
Arnold, R.
Augier, C.
Baker, J.
Barabash, A. S.
Bongrand, M.
Broudin-Bay, G.
Brudanin, V. B.
Caffrey, A. J.
Chapon, A.
Chauveau, E.
Daraktchieva, Z.
Durand, D.
Egorov, V. G.
Fatemi-Ghomi, N.
Flack, R.
Freshville, A.
Guillon, B.
Hubert, Ph.
Jullian, S.
Kauer, M.
King, S.
Kochetov, O. I.
Konovalov, S. I.
Kovalenko, V. E.
Lalanne, D.
Lang, K.
Lemi`ere, Y.
Lutter, G.
Mamedov, F.
Marquet, Ch.
Martin-Albo, J.
Mauger, F.
Nachab, A.
Nasteva, I.
Nemchenok, I. B.
Nova, F.
Novella, P.
Ohsumi, H.
Pahlka, R. B.
Perrot, F.
Piquemal, F.
Reyss, J. L.
Ricol, J. S.
Saakyan, R.
Sarazin, X.
Simard, L.
Shitov, Yu. A.
Smolnikov, A. A.
Snow, S.
S"oldner-Rembold, S.
Stekl, I.
Sutton, C. S.
Szklarz, G.
Thomas, J.
Timkin, V. V.
Tretyak, V. I.
Tretyak, Vl. I.
Umatov, V. I.
V'ala, L.
Vanyushin, I. A.
Vasiliev, V. A.
Vorobel, V.
Vylov, Ts.
Source :: Nucl.Instrum.Meth.A606:449-465,2009
Publication Year :: 2009
Abstract: In the double beta decay experiment NEMO~3 a precise knowledge of the background in the signal region is of outstanding importance. This article presents the methods used in NEMO~3 to evaluate the backgrounds resulting from most if not all possible origins. It also illustrates the power of the combined tracking-calorimetry technique used in the experiment.<br />Comment: 32 pages, 23 figures, submitted to NIM A

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