Rejecting cosmic background for exclusive charged current quasi elastic neutrino interaction studies with Liquid Argon TPCs; a case study with the MicroBooNE detector

C. Adams, M. Alrashed,R. An,J. Anthony, J. Asaadi,A. Ashkenazi, M. Auger,S. Balasubramanian, B. Baller, C. Barnes,G. Barr,M. Bass,F. Bay,A. Bhat,K. Bhattacharya,M. Bishai,A. Blake,T. Bolton,L. Camilleri,D. Caratelli,I. Caro Terrazas,R. Carr,R. Castillo Fernandez,F. Cavanna, G. Cerati,Y. Chen,E. Church,D. Cianci,E. O. Cohen, G. H. Collin,J. M. Conrad, M. Convery, L. Cooper-Troendle,J. I. Crespo-Anadón,M. Del Tutto, A. Devitt,A. Diaz,K. Duffy,S. Dytman, B. Eberly, A. Ereditato,L. Escudero Sanchez,J. Esquivel,J. J Evans, A. A. Fadeeva, R. S. Fitzpatrick,B. T. Fleming,D. Franco,A. P. Furmanski,D. Garcia-Gamez, V. Genty, D. Goeldi,S. Gollapinni,O. Goodwin, E. Gramellini, H. Greenlee,R. Grosso, R. Guenette,P. Guzowski, A. Hackenburg,P. Hamilton,O. Hen,J. Hewes,C. Hill,G. A. Horton-Smith,A. Hourlier,E.-C. Huang,C. James,J. Jan de Vries,X. Ji,L. Jiang,R. A. Johnson,J. Joshi, H. Jostlein,Y.-J. Jwa,G. Karagiorgi,W. Ketchum,B. Kirby, M. Kirby,T. Kobilarcik,I. Kreslo, I. Lepetic,Y. Li,A. Lister,B. R. Littlejohn, S. Lockwitz,D. Lorca,W. C. Louis, M. Luethi, B. Lundberg,X. Luo,A. Marchionni, S. Marcocci,C. Mariani,J. Marshall,J. Martin-Albo,D. A. Martinez Caicedo,A. Mastbaum,V. Meddage,T. Mettler, K. Mistry, A. Mogan,J. Moon,M. Mooney,C. D. Moore, J. Mousseau,M. Murphy, R. Murrells,D. Naples, P. Nienaber,J. Nowak,O. Palamara,V. Pandey, V. Paolone,A. Papadopoulou,V. Papavassiliou,S. F. Pate, Z. Pavlovic,E. Piasetzky, D. Porzio,G. Pulliam,X. Qian,J. L. Raaf,A. Rafique,L. Ren, L. Rochester,M. Ross-Lonergan,C. Rudolf von Rohr,B. Russell,G. Scanavini,D. W. Schmitz, A. Schukraft, W. Seligman,M. H. Shaevitz, R. Sharankova, J. Sinclair,A. Smith, E. L. Snider,M. Soderberg,S. Söldner-Rembold,S. R. Soleti, P. Spentzouris,J. Spitz,J. St. John,T. Strauss,K. Sutton, S. Sword-Fehlberg,A. M. Szelc,N. Tagg,W. Tang,K. Terao, M. Thomson,R. T. Thornton, M. Toups,Y.-T. Tsai,S. Tufanli, T. Usher,W. Van De Pontseele,R. G. Van de Water,B. Viren,M. Weber,H. Wei,D. A. Wickremasinghe,K. Wierman,Z. Williams,S. Wolbers,T. Wongjirad,K. Woodruff,T. Yang, G. Yarbrough, L. E. Yates,G. P. Zeller, J. Zennamo,C. Zhang

The European Physical Journal C（2019）

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摘要

Cosmic ray (CR) interactions can be a challenging source of background for neutrino oscillation and cross-section measurements in surface detectors. We present methods for CR rejection in measurements of charged-current quasielastic-like (CCQE-like) neutrino interactions, with a muon and a proton in the final state, measured using liquid argon time projection chambers (LArTPCs). Using a sample of cosmic data collected with the MicroBooNE detector, mixed with simulated neutrino scattering events, a set of event selection criteria is developed that produces an event sample with minimal contribution from CR background. Depending on the selection criteria used a purity between 50 and 80

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