Measurements of cross sections and charged pion spectra in proton-carbon interactions at 31 GeV/c (CROSBI ID 176523)
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Podaci o odgovornosti
Abgrall, N. ; ... ; Antičić, Tome ; ... ; Kadija, Krešo ; ... ; Šuša, Tatjana ; ... ; Zipper, W. (NA61 Collaboration)
engleski
Measurements of cross sections and charged pion spectra in proton-carbon interactions at 31 GeV/c
Interaction cross sections and charged pion spectra in p + C interactions at 31 GeV/c were measured with the large-acceptanceNA61/SHINE spectrometer at the CERN SPS. These data are required to improve predictions of the neutrino flux for the T2K long-baseline neutrino oscillation experiment in Japan. A set of data collected during the first NA61/SHINE run in 2007 with an isotropic graphite target with a thickness of 4% of a nuclear interaction length was used for the analysis. The measured p + C inelastic and production cross sections are 257.2 ± 1.9 ± 8.9 and 229.3 ± 1.9 ± 9.0 mb, respectively. Inclusive production cross sections for negatively and positively charged pions are presented as functions of laboratory momentum in ten intervals of the laboratory polar angle covering the range from 0 up to 420 mrad. The spectra are compared with predictions of several hadron production models.
CERN ; NA61 ; p+C ; 31GeV ; pion ; cross section
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Podaci o izdanju
84
2011.
034604
26
objavljeno
0556-2813
1089-490X
10.1103/PhysRevC.84.034604