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Title: Impact of final state interactions on neutrino-nucleon pion production cross sections extracted from neutrino-deuteron reaction data

Journal Article · · Physical Review D

The current and near-future neutrino-oscillation experiments require significantly improved neutrinonucleus reaction models. Neutrino-nucleon pion production data play a crucial role to validate corresponding elementary amplitudes that go into such neutrino-nucleus models. Thus, the currently available data extracted from charged-current neutrino-deuteron reaction data (νμd → μ-πNN) must be corrected for nuclear effects such as the Fermi motion and final state interactions (FSI). We study νμd → μ-πNN with a theoretical model including the impulse mechanism supplemented by FSI from NN and πN rescatterings. An analysis of the spectator momentum distributions reveals that the FSI effects significantly reduce the spectra over the quasifree peak region and leads to a useful recipe to extract information of elementary νμN → μ-πN processes using νμd → μ-πNN data, with the important FSI corrections taken into account. We provide νμN → μ-πN total cross sections by correcting the deuterium bubble chamber data for the FSI and Fermi motion. The results will bring a significant improvement on neutrino-nucleus reaction models for the near-future neutrino-oscillation experiments.

Research Organization:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). National Energy Research Scientific Computing Center (NERSC)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC02-05CH11231
OSTI ID:
1495250
Alternate ID(s):
OSTI ID: 1544109
Journal Information:
Physical Review D, Journal Name: Physical Review D Vol. 99 Journal Issue: 3; ISSN 2470-0010
Publisher:
American Physical SocietyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 12 works
Citation information provided by
Web of Science

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Neutrino event generators: foundation, status and future journal September 2019

Figures / Tables (5)


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