Muon capture on light isotopes measured with the Double Chooz detector

Clicks: 145
ID: 265766
2016
Using the Double Chooz detector, designed to measure the neutrino mixing angle θ13, the products of μ− capture on C12,C13,N14, and O16 have been measured. Over a period of 489.5 days, 2.3×106 stopping cosmic μ− have been collected, of which 1.8×105 captured on carbon, nitrogen, or oxygen nuclei in the inner detector scintillator or acrylic vessels. The resulting isotopes were tagged using prompt neutron emission (when applicable), the subsequent β decays, and, in some cases, β-delayed neutrons. The most precise measurement of the rate of C12(μ−,ν)B12 to date is reported: 6.57−0.21+0.11×103s−1, or (17.35−0.59+0.35)% of nuclear captures. By tagging excited states emitting γs, the ground state transition rate to B12 has been determined to be 5.68−0.23+0.14×103s−1. The heretofore unobserved reactions C12(μ−,να)Li8,C13(μ−,νnα)Li8, and C13(μ−,νn)B12 are measured. Further, a population of βn decays following stopping muons is identified with 5.5σ significance. Statistics limit our ability to identify these decays definitively. Assuming negligible production of He8, the reaction C13(μ−,να)Li9 is found to be present at the 2.7σ level. Limits are set on a variety of other processes.
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Authors Y. Abe,T. Abrahão,H. Almazan,C. Alt,S. Appel,J. C. Barriere,E. Baussan,I. Bekman,M. Bergevin,T. J. C. Bezerra,L. Bezrukov,E. Blucher,T. Brugière,Christian Buck,J. Busenitz,A. Cabrera,L. Camilleri,R. Carr,M. Cerrada,E. Chauveau,Pietro Chimenti,A. P. Collin,E. Conover,J. M. Conrad,José Ignacio Crespo Anadón,K. Crum,A. S. Cucoanes,E. Damon,J. V. Dawson,H. De Kerret,J. Dhooghe,D. Dietrich,Z. Djurcic,J. C. Dos Anjos,M. Dracos,A. Etenko,M. Fallot,J. Felde,S. M. Fernandes,V. Fischer,D. Franco,M. Franke,H. Furuta,I. Gil-Botella,L. Giot,M. Göger-Neff,H. Gomez,L. F. G. Gonzalez,L. Goodenough,M. C. Goodman,N. Haag,T. Hara,J. Haser,D. Hellwig,M. Hofmann,Glenn Horton-Smith,A. Hourlier,M. Ishitsuka,J. Jochum,C. Jollet,F. Kaether,L. N. Kalousis,Y. Kamyshkov,M. Kaneda,D. M. Kaplan,T. Kawasaki,E. Kemp,D. Kryn,Masahiro Kuze,T. Lachenmaier,C. E. Lane,T. Lasserre,A. Letourneau,D. Lhuillier,H. P. Lima,M. Lindner,José Mariano López-Castaño,J. M. LoSecco,B. Lubsandorzhiev,S. Lucht,Junpei Maeda,C. Mariani,J. Maricic,J. Martino,T. Matsubara,G. Mention,A. Meregaglia,T. Miletic,R. Milincic,Alessandro Minotti,Y. Nagasaka,Diana Navas Nicolás,Pau Novella,L. Oberauer,M. Obolensky,A. Onillon,A. Osborn,C. Palomares,I. M. Pepe,S. Perasso,A. Porta,G. Pronost,J. Reichenbacher,B. Reinhold,M. Röhling,R. Roncin,B. Rybolt,Y. Sakamoto,R. Santorelli,A. C. Schilithz,S. Schönert,S. Schoppmann,M. H. Shaevitz,R. Sharankova,D. Shrestha,V. Sibille,V. Sinev,M. Skorokhvatov,E. Smith,M. Soiron,J. Spitz,A. Stahl,I. Stancu,L. F. F. Stokes,M. Strait,F. Suekane,S. Sukhotin,T. Sumiyoshi,Y. Sun,R. Svoboda,K. Terao,A. Tonazzo,H. H. Trinh Thi,G. Valdiviesso,N. Vassilopoulos,C. Veyssiere,M. Vivier,F. Von Feilitzsch,S. Wagner,N. Walsh,H. Watanabe,C. Wiebusch,M. Wurm,G. Yang,F. Yermia,V. Zimmer,Double Chooz Collaboration;Y. Abe;T. Abrahão;H. Almazan;C. Alt;S. Appel;J. C. Barriere;E. Baussan;I. Bekman;M. Bergevin;T. J. C. Bezerra;L. Bezrukov;E. Blucher;T. Brugière;Christian Buck;J. Busenitz;A. Cabrera;L. Camilleri;R. Carr;M. Cerrada;E. Chauveau;Pietro Chimenti;A. P. Collin;E. Conover;J. M. Conrad;José Ignacio Crespo Anadón;K. Crum;A. S. Cucoanes;E. Damon;J. V. Dawson;H. De Kerret;J. Dhooghe;D. Dietrich;Z. Djurcic;J. C. Dos Anjos;M. Dracos;A. Etenko;M. Fallot;J. Felde;S. M. Fernandes;V. Fischer;D. Franco;M. Franke;H. Furuta;I. Gil-Botella;L. Giot;M. Göger-Neff;H. Gomez;L. F. G. Gonzalez;L. Goodenough;M. C. Goodman;N. Haag;T. Hara;J. Haser;D. Hellwig;M. Hofmann;Glenn Horton-Smith;A. Hourlier;M. Ishitsuka;J. Jochum;C. Jollet;F. Kaether;L. N. Kalousis;Y. Kamyshkov;M. Kaneda;D. M. Kaplan;T. Kawasaki;E. Kemp;D. Kryn;Masahiro Kuze;T. Lachenmaier;C. E. Lane;T. Lasserre;A. Letourneau;D. Lhuillier;H. P. Lima;M. Lindner;José Mariano López-Castaño;J. M. LoSecco;B. Lubsandorzhiev;S. Lucht;Junpei Maeda;C. Mariani;J. Maricic;J. Martino;T. Matsubara;G. Mention;A. Meregaglia;T. Miletic;R. Milincic;Alessandro Minotti;Y. Nagasaka;Diana Navas Nicolás;Pau Novella;L. Oberauer;M. Obolensky;A. Onillon;A. Osborn;C. Palomares;I. M. Pepe;S. Perasso;A. Porta;G. Pronost;J. Reichenbacher;B. Reinhold;M. Röhling;R. Roncin;B. Rybolt;Y. Sakamoto;R. Santorelli;A. C. Schilithz;S. Schönert;S. Schoppmann;M. H. Shaevitz;R. Sharankova;D. Shrestha;V. Sibille;V. Sinev;M. Skorokhvatov;E. Smith;M. Soiron;J. Spitz;A. Stahl;I. Stancu;L. F. F. Stokes;M. Strait;F. Suekane;S. Sukhotin;T. Sumiyoshi;Y. Sun;R. Svoboda;K. Terao;A. Tonazzo;H. H. Trinh Thi;G. Valdiviesso;N. Vassilopoulos;C. Veyssiere;M. Vivier;F. Von Feilitzsch;S. Wagner;N. Walsh;H. Watanabe;C. Wiebusch;M. Wurm;G. Yang;F. Yermia;V. Zimmer;Double Chooz Collaboration;
Journal physical review c
Year 2016
DOI 10.1103/physrevc.93.054608
URL
https://sciprofiles.com/publication/view/c154a0b91f2980f9393bfe53ec67561f
Keywords
isotopes scintillator c13 muons chooz detector double chooz transition rate c12

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