Measurement of the Double-Beta Decay Half-Life and Search for the Neutrinoless Double-Beta Decay of $^{48}{\rm Ca}$ with the NEMO-3 Detector

  title={Measurement of the Double-Beta Decay Half-Life and Search for the Neutrinoless Double-Beta Decay of \$^\{48\}\{\rm Ca\}\$ with the NEMO-3 Detector},
  author={NEMO-3 Collaboration R. Arnold and Corinne Augier and A. M. Bakalyarov and J. D. Baker and A. S. Barabash and Anastasia Basharina-Freshville and Sophie Blondel and Summer Blot and Mathieu Bongrand and Viktor Brudanin and Jos{\'e} Busto and A. J. Caffrey and Steven Calvez and Michele Cascella and C'edric Cerna and J. P. Cesar and Arnaud Chapon and Emmanuel Chauveau and A. Chopra and D. Duchesneau and Dominique Durand and V. G. Egorov and Guillaume Eurin and J. J. Evans and Luk{\'a}{\vs} Fajt and Dmitry Vladimirovich Filosofov and Robert Flack and Xavier Garrido and H. G'omez and Beno{\^i}t Guillon and P. Guzowski and R. Hod'ak and Anton Huber and Ph. Hubert and C. Hugon and Serge Jullian and A. A. Klimenko and O. I. Kochetov and Sergey Konovalov and V. E. Kovalenko and Denis Lalanne and Karol Lang and V. I. Lebedev and Y. Lemi{\`e}re and T. Le Noblet and Zachary Liptak and X. R. Liu and P. Loaiza and G. Lutter and F. Mamedov and Ch. Marquet and François Mauger and Ben Morgan and James Mott and I. B. Nemchenok and M. Nomachi and F. Nova and F. Nowacki and Hideaki Ohsumi and R Benton Pahlka and F. Perrot and F Piquemal and Pavel P. Povinec and P. Pvridal and Yorck Ramachers and Alberto Remoto and J-L. Reyss and Benjamin Richards and Catherine L Riddle and Ekaterina Rukhadze and N. I. Rukhadze and Ruben Saakyan and Ramon Salazar and Xavier Sarazin and Yu. A. Shitov and Laurent Simard and Fedor vSimkovic and Adam Smetana and Karel Smolek and Anatoly A. Smolnikov and Stefan Soldner-Rembold and B. Soul'e and I. Vstekl and Jouni Suhonen and Christopher Sean Sutton and Grzegorz Szklarz and J. P. Thomas and V. V. Timkin and Stefano Dalla Torre and V. I. Tretyak and V. I. Tretyak and V I Umatov and I. Vanushin and Cristovao Vilela and Vit Vorobel and D. Waters and S. V. Zhukov and A. vZukauskas Iphc and Ulp and CNRSIN2p3 and France Lal and Universite De Paris-sud and France Kurchatov Institute and R. Zwaska Argonne National Laboratory and Usa Itep and Russia Ucl and U Manchester and United Kingdom Jinr and Russia MEPhI and Russia Cppm and Universit'e de Marseille and France Cenbg and Universit'e de Bordeaux and Frances O. Austin and Usa Lpc Caen and Ensicaen and Universit'e de Caen and F. W. Lapp and Universit'e de Savoie and France Institute of Experimental and Applied Physics and Czech Technical University in Prague and Czech Republic University of Warwick and United Kingdom Osaka University and Japan Saga University and Japan Laboratoire Souterrain de Modane and France Fmfi and Comenius Univ. and Slovakia Lsce and Cnrs and F London and United Kingdom Institut Universitaire de France and France Jyvaskyla University and Finland Mhc and South Hadley and Massachusetts and Usa Tata Institute of Fundamental Research and Ukraine Charles University in Prague and Czech Republic},
  journal={Physical Review D},
The NEMO-3 experiment at the Modane Underground Laboratory has investigated the double-$\beta$ decay of $^{48}{\rm Ca}$. Using $5.25$ yr of data recorded with a $6.99\,{\rm g}$ sample of $^{48}{\rm Ca}$, approximately $150$ double-$\beta$ decay candidate events have been selected with a signal-to-background ratio greater than $3$. The half-life for the two-neutrino double-$\beta$ decay of $^{48}{\rm Ca}$ has been measured to be $T^{2\nu}_{1/2}\,=\,[6.4\, ^{+0.7}_{-0.6}{\rm (stat.)} \, ^{+1.2}_… 

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