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Demonstration of neutron identification in neutrino interactions in the MicroBooNE liquid argon time projection chamber

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arxiv 2406.10583 v1 pith:GGV2RB36 submitted 2024-06-15 hep-ex

Demonstration of neutron identification in neutrino interactions in the MicroBooNE liquid argon time projection chamber

MicroBooNE collaboration: P. Abratenko , O. Alterkait , D. Andrade Aldana , L. Arellano , J. Asaadi , A. Ashkenazi , S. Balasubramanian , B. Baller
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A. Barnard G. Barr D. Barrow J. Barrow V. Basque J. Bateman O. Benevides Rodrigues S. Berkman A. Bhanderi A. Bhat M. Bhattacharya M. Bishai A. Blake B. Bogart T. Bolton J.Y. Book M.B. Brunetti L. Camilleri Y. Cao D. Caratelli F. Cavanna G. Cerati A. Chappell Y. Chen J.M. Conrad M. Convery L. Cooper-Troendle J.I. Crespo-Anadon R. Cross M. Del Tutto S.R. Dennis P. Detje R. Diurba Z. Djurcic R. Dorrill K. Duffy S. Dytman B. Eberly P. Englezos A. Ereditato J.J. Evans R. Fine B.T. Fleming W. Foreman D. Franco A.P. Furmanski F. Gao D. Garcia-Gamez S. Gardiner G. Ge S. Gollapinni E. Gramellini P. Green H. Greenlee L. Gu W. Gu R. Guenette P. Guzowski L. Hagaman M. D. Handley O. Hen C. Hilgenberg G.A. Horton-Smith Z. Imani B. Irwin M.S. Ismail C. James X. Ji J.H. Jo R.A. Johnson Y.J. Jwa D. Kalra N. Kamp G. Karagiorgi W. Ketchum M. Kirby T. Kobilarcik I. Kreslo N. Lane J.-Y. Li Y. Li K. Lin B.R. Littlejohn H. Liu W.C. Louis X. Luo C. Mariani D. Marsden J. Marshall N. Martinez D.A. Martinez Caicedo S. Martynenko A. Mastbaum I. Mawby N. McConkey V. Meddage J. Mendez J. Micallef K. Miller K. Mistry T. Mohayai A. Mogan M. Mooney A.F. Moor C.D. Moore L. Mora Lepin M.M. Moudgalya S. Mulleria Babu D. Naples A. Navrer-Agasson N. Nayak M. Nebot-Guinot C. Nguyen J. Nowak N. Oza O. Palamara N. Pallat V. Paolone A. Papadopoulou V. Papavassiliou H. Parkinson S.F. Pate N. Patel Z. Pavlovic E. Piasetzky K. Pletcher I. Pophale X. Qian J.L. Raaf V. Radeka A. Rafique M. Reggiani-Guzzo L. Ren L. Rochester J. Rodriguez Rondon M. Rosenberg M. Ross-Lonergan I. Safa D.W. Schmitz A. Schukraft W. Seligman M.H. Shaevitz R. Sharankova J. Shi E.L. Snider M. Soderberg S. Soldner-Rembold J. Spitz M. Stancari J. St. John T. Strauss A.M. Szelc W. Tang N. Taniuchi K. Terao C.Thorpe D. Torbunov D. Totani M. Toups A. Trettin Y.-T. Tsai J. Tyler M.A. Uchida T. Usher B. Viren J. Wang M. Weber H. Wei A.J. White S. Wolbers T. Wongjirad M. Wospakrik K. Wresilo W. Wu E. Yandel T. Yang L.E. Yates H.W. Yu G.P. Zeller J. Zennamo C. Zhang
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classification hep-ex
keywords neutronsargoninteractionsliquidmicrobooneneutrinoprojectiontime
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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A significant challenge in measurements of neutrino oscillations is reconstructing the incoming neutrino energies. While modern fully-active tracking calorimeters such as liquid argon time projection chambers in principle allow the measurement of all final state particles above some detection threshold, undetected neutrons remain a considerable source of missing energy with little to no data constraining their production rates and kinematics. We present the first demonstration of tagging neutrino-induced neutrons in liquid argon time projection chambers using secondary protons emitted from neutron-argon interactions in the MicroBooNE detector. We describe the method developed to identify neutrino-induced neutrons and demonstrate its performance using neutrons produced in muon-neutrino charged current interactions. The method is validated using a small subset of MicroBooNE's total dataset. The selection yields a sample with $60\%$ of selected tracks corresponding to neutron-induced secondary protons.

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Cited by 5 Pith papers

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