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Title: Demonstration of MeV-scale physics in liquid argon time projection chambers using ArgoNeuT

Journal Article · · Physical Review D
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MeV-scale energy depositions by low-energy photons produced in neutrino-argon interactions have been identified and reconstructed in ArgoNeuT liquid argon time projection chamber (LArTPC) data. ArgoNeuT data collected on the NuMI beam at Fermilab were analyzed to select isolated low-energy depositions in the TPC volume. The total number, reconstructed energies, and positions of these depositions have been compared to those from simulations of neutrino-argon interactions using the fluka Monte Carlo generator. Measured features are consistent with energy depositions from photons produced by deexcitation of the neutrino’s target nucleus and by inelastic scattering of primary neutrons produced by neutrino-argon interactions. This study represents a successful reconstruction of physics at the MeV scale in a LArTPC, a capability of crucial importance for detection and reconstruction of supernova and solar neutrino interactions in future large LArTPCs.

Research Organization:
Pacific Northwest National Laboratory (PNNL), Richland, WA (United States); Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); Univ. of Michigan, Ann Arbor, MI (United States); Illinois Institute of Technology, Chicago, IL (United States); Univ. of California, Santa Barbara, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP)
Contributing Organization:
ArgoNeuT Collaboration
Grant/Contract Number:
AC02-07CH11359; SC0007859; SC0008347; SC0011702
OSTI ID:
1489845
Alternate ID(s):
OSTI ID: 1487404; OSTI ID: 1638339; OSTI ID: 1777253
Report Number(s):
arXiv:1810.06502; FERMILAB-PUB-18-559-ND; PRVDAQ; 012002
Journal Information:
Physical Review D, Journal Name: Physical Review D Vol. 99 Journal Issue: 1; ISSN 2470-0010
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 33 works
Citation information provided by
Web of Science

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Cited By (1)

Probing the Higgs portal at the Fermilab short-baseline neutrino experiments journal December 2019

Figures / Tables (12)

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TABLE I(p. 6)table TABLE I
FIG. 5(p. 7)figure FIG. 5
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TABLE III(p. 9)table TABLE III

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