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Title: Measurement of K + production cross section by 8 GeV protons using high energy neutrino interactions in the SciBooNE detector

Abstract

The SciBooNE Collaboration reports K + production cross section and rate measurements using high energy daughter muon neutrino scattering data off the SciBar polystyrene (C 8H 8) target in the SciBooNE detector. The K + mesons are produced by 8 GeV protons striking a beryllium target in Fermilab Booster Neutrino Beam line (BNB). Using observed neutrino and antineutrino events in SciBooNE, we measure d 2σ/dpdΩ = (5.34 ±0.76) mb/(GeV/c x sr) for p + Be =K + + X at mean K + energy of 3.9 GeV and angle (with respect to the proton beam direction) of 3.7 degrees, corresponding to the selected K + sample. Compared to Monte Carlo predictions using previous higher energy K + production measurements, this measurement, which uses the NUANCE neutrino interaction generator, is consistent with a normalization factor of 0.85 ± 0.12. This agreement is evidence that the extrapolation of the higher energy K + measurements to an 8 GeV beam energy using Feynman scaling is valid. This measurement reduces the error on the K + production cross section from 40% to 14%.

Authors:
 [1]
  1. et al.
Publication Date:
Research Org.:
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
Contributing Org.:
SciBooNE Collaboration
OSTI Identifier:
1015840
Report Number(s):
FERMILAB-PUB-11-221-PPD
Journal ID: ISSN 1550-7998 ; arXiv eprint number arXiv:1105.2871; TRN: US1102927
Grant/Contract Number:  
AC02-07CH11359
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review. D, Particles, Fields, Gravitation and Cosmology
Additional Journal Information:
Journal Volume: 84; Journal Issue: 1; Journal ID: ISSN 1550-7998 
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; ANTINEUTRINOS; BERYLLIUM; CROSS SECTIONS; EXTRAPOLATION; FERMILAB; MESONS; MUON NEUTRINOS; NEUTRINO BEAMS; NEUTRINOS; POLYSTYRENE; PRODUCTION; PROTON BEAMS; PROTONS; SCATTERING; TARGETS; Experiment-HEP

Citation Formats

Cheng, G. Measurement of K+ production cross section by 8 GeV protons using high energy neutrino interactions in the SciBooNE detector. United States: N. p., 2011. Web. doi:10.1103/PhysRevD.84.012009.
Cheng, G. Measurement of K+ production cross section by 8 GeV protons using high energy neutrino interactions in the SciBooNE detector. United States. doi:10.1103/PhysRevD.84.012009.
Cheng, G. Thu . "Measurement of K+ production cross section by 8 GeV protons using high energy neutrino interactions in the SciBooNE detector". United States. doi:10.1103/PhysRevD.84.012009. https://www.osti.gov/servlets/purl/1015840.
@article{osti_1015840,
title = {Measurement of K+ production cross section by 8 GeV protons using high energy neutrino interactions in the SciBooNE detector},
author = {Cheng, G.},
abstractNote = {The SciBooNE Collaboration reports K+ production cross section and rate measurements using high energy daughter muon neutrino scattering data off the SciBar polystyrene (C8H8) target in the SciBooNE detector. The K+ mesons are produced by 8 GeV protons striking a beryllium target in Fermilab Booster Neutrino Beam line (BNB). Using observed neutrino and antineutrino events in SciBooNE, we measure d2σ/dpdΩ = (5.34 ±0.76) mb/(GeV/c x sr) for p + Be =K+ + X at mean K+ energy of 3.9 GeV and angle (with respect to the proton beam direction) of 3.7 degrees, corresponding to the selected K+ sample. Compared to Monte Carlo predictions using previous higher energy K+ production measurements, this measurement, which uses the NUANCE neutrino interaction generator, is consistent with a normalization factor of 0.85 ± 0.12. This agreement is evidence that the extrapolation of the higher energy K+ measurements to an 8 GeV beam energy using Feynman scaling is valid. This measurement reduces the error on the K+ production cross section from 40% to 14%.},
doi = {10.1103/PhysRevD.84.012009},
journal = {Physical Review. D, Particles, Fields, Gravitation and Cosmology},
number = 1,
volume = 84,
place = {United States},
year = {2011},
month = {7}
}

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