(NA61 Collaboration)
Abgrall, N.; Aduszkiewicz, A.; Andrieu, B.; Anticic, T.; Antoniou, N.; Argyriades, J.; Asryan, A. G.; Baatar, B.; Blondel, A.; Blumer, J.; Bogusz, M.; Boldizsar, L.; Bravar, A.; Brooks, W.; Brzychczyk, J.; Bubak, A.; Bunyatov, S. A.; Busygina, O.; Cetner, T.; Choi, K. -U.; Christakoglou, P.; Chung, P.; Czopowicz, T.; Davis, N.; Diakonos, F.; Di Luise, S.; Dominik, W.; Dumarchez, J.; Engel, R.; Ereditato, A.; Esposito, L. S.; Feofilov, G. A.; Fodor, Z.; Ferrero, A.; Fulop, A.; Garrido, X.; Gazdzicki, M.; Golubeva, M.; Grebieszkow, K.; Grzeszczuk, A.; Guber, F.; Hakobyan, H.; Hasegawa, T.; Igolkin, S.; Ivanov, A. S.; Ivanov, Y.; Ivashkin, A.; Kadija, K.; Kapoyannis, A.; Katrynska, N.; Kielczewska, D.; Kikola, D.; Kim, J. -H.; Kirejczyk, M.; Kisiel, J.; Kobayashi, T.; Kochebina, O.; Kolesnikov, V. I.; Kolev, D.; Kondratiev, V. P.; Korzenev, A.; Kowalski, S.; Kuleshov, S.; Kurepin, A.; Lacey, R.; Lagoda, J.; Laszlo, A.; Lyubushkin, V. V.; Mackowiak, M.; Majka, Z.; Malakhov, A. I.; Marchionni, A.; Marcinek, A.; Maris, I.; Marin, V.; Matulewicz, T.; Matveev, V.; Melkumov, G. L.; Meregaglia, A.; Messina, M.; Mrowczynski, St.; Murphy, S.; Nakadaira, T.; Naumenko, P. A.; Nishikawa, K.; Palczewski, T.; Palla, G.; Panagiotou, A. D.; Peryt, W.; Petukhov, O.; Planeta, R.; Pluta, J.; Popov, B. A.; Posiadala, M.; Pulawski, S.; Rauch, W.; Ravonel, M.; Renfordt, R.; Robert, A.; Rohrich, D.; Rondio, E.; Rossi, B.; Roth, M.; Rubbia, A.; Rybczynski, M.; Sadovsky, A.; Sakashita, K.; Sekiguchi, T.; Seyboth, P.; Shibata, M.; Sissakian, A. N.; Skrzypczak, E.; Slodkowski, M.; Sorin, A. S.; Staszel, P.; Stefanek, G.; Stepaniak, J.; Strabel, C.; Stroebele, H.; Susa, T.; Szaflik, P.; Szuba, M.; Tada, M.; Taranenko, A.; Tsenov, R.; Ulrich, R.; Unger, M.; Vassiliou, M.; Vechernin, V. V.; Vesztergombi, G.; Wilczek, A.; Wlodarczyk, Z.; Wojtaszek, A.; Yi, J. -G.; Yoo, I. -K.; Zipper, W.; 3 ]
(2011)
Measurements of cross sections and charged pion spectra in proton-carbon interactions at 31 GeV/c.
Physical Review C, 84
(3).
034604/1-034604/11.
ISSN 0556-2813
Abstract
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.
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