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Title: Measurement of the νe -Nucleus Charged-Current Double-Differential Cross Section at ⟨Eν⟩=2.4  GeV Using NOvA
Award ID(s):
2111053 2013217
PAR ID:
10412265
Author(s) / Creator(s):
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Date Published:
Journal Name:
Physical Review Letters
Volume:
130
Issue:
5
ISSN:
0031-9007
Format(s):
Medium: X
Sponsoring Org:
National Science Foundation
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  1. Double- and single-differential cross sections for inclusive charged-current ν μ -nucleus scattering are reported for the kinematic domain 0 to 2 GeV / c in three-momentum transfer and 0 to 2 GeV in available energy, at a mean ν μ energy of 1.86 GeV. The measurements are based on an estimated 995,760 ν μ charged-current (CC) interactions in the scintillator medium of the NOvA Near Detector. The subdomain populated by 2-particle-2-hole (2p2h) reactions is identified by the cross section excess relative to predictions for ν μ -nucleus scattering that are constrained by a data control sample. Models for 2-particle-2-hole processes are rated by χ 2 comparisons of the predicted-versus-measured ν μ CC inclusive cross section over the full phase space and in the restricted subdomain. Shortfalls are observed in neutrino generator predictions obtained using the theory-based València and SuSAv2 2p2h models. Published by the American Physical Society2025 
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