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Physics prospects with MeV neutrino-argon charged current interactions using enhanced photon detection in future LArTPCs

Shi, Wei [Stony Brook Univ., NY (United States)] (ORCID:0000000281029002)·Ning, Xuyang [Brookhaven National Laboratory (BNL), Upton, NY (United States)] (ORCID:0009000210722157)·Pershey, Daniel [Florida State Univ., Tallahassee, FL (United States)] (ORCID:0000000342980337)·Marinho, Franciole [Instituto Tecnologico de Aeronautica (ITA), São José dos Campos (Brazil)] (ORCID:0000000273270349)·Fleuri, Anjarazafy [Univ. of Antananarivo (Madagascar)]·Riccio, Ciro [Stony Brook Univ., NY (United States)] (ORCID:0000000159971635)·Jo, Jay Hyun [Brookhaven National Laboratory (BNL), Upton, NY (United States)] (ORCID:0000000341023674)·Zhang, Chao [Brookhaven National Laboratory (BNL), Upton, NY (United States)] (ORCID:0000000322986272)·Cavanna, Flavio [Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)] (ORCID:0000000255869964)
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Abstract

Here, we investigate MeV-scale electron neutrino charged current interactions in a liquid argon time projection chamber (LArTPC) equipped with an enhanced photon detection system. Using simulations of deposited energy in charge and light calorimetry, we explore the potential for dual calorimetric neutrino energy reconstruction. We found energy reconstruction based on light-only calorimetry has a better resolution than combined charge and light calorimetry when hadrons are produced in these events. Meanwhile, enhanced light detection offers improved nanosecond timing resolution and broad optical coverage, enabling neutron tagging and identification of delayed low-energy gamma emissions. These advancements open new avenues in low-energy neutrino physics in next-generation LArTPCs.

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Shi, Wei [Stony Brook Univ., NY (United States)] (ORCID:0000000281029002), Ning, Xuyang [Brookhaven National Laboratory (BNL), Upton, NY (United States)] (ORCID:0009000210722157), Pershey, Daniel [Florida State Univ., Tallahassee, FL (United States)] (ORCID:0000000342980337), Marinho, Franciole [Instituto Tecnologico de Aeronautica (ITA), São José dos Campos (Brazil)] (ORCID:0000000273270349), Fleuri, Anjarazafy [Univ. of Antananarivo (Madagascar)], Riccio, Ciro [Stony Brook Univ., NY (United States)] (ORCID:0000000159971635), Jo, Jay Hyun [Brookhaven National Laboratory (BNL), Upton, NY (United States)] (ORCID:0000000341023674), Zhang, Chao [Brookhaven National Laboratory (BNL), Upton, NY (United States)] (ORCID:0000000322986272), Cavanna, Flavio [Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)] (ORCID:0000000255869964). 2025-07-22. Physics prospects with MeV neutrino-argon charged current interactions using enhanced photon detection in future LArTPCs. https://doi.org/10.1103/f3t7-5vmd

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