Measurements of production properties of K0S mesons and Λ hyperons in proton-carbon interactions at 31 GeV/c

N. Abgrall, A. Aduszkiewicz, Y. Ali, T. Anticic, N. Antoniou, J. Argyriades, B. Baatar, A. Blondel, J. Blumer, M. Bogomilov, A. Bravar, W. Brooks, J. Brzychczyk, S.A. Bunyatov, O. Busygina, P. Christakoglou, T. Czopowicz, N. Davis, S. Debieux, H. DembinskiF. Diakonos, S. Di Luise, W. Dominik, T. Drozhzhova, J. Dumarchez, K. Dynowski, R. Engel, A. Ereditato, L. Esposito, G.A. Feofilov, Z. Fodor, A. Fulop, M. Ga dzicki, M. Golubeva, K. Grebieszkow, A. Grzeszczuk, F. Guber, H. Hakobyan, A. Haesler, T. Hasegawa, M. Hierholzer, R. Idczak, S. Igolkin, Y. Ivanov, A. Ivashkin, D. Jokovic, K. Kadija, A. Kapoyannis, E. Kaptur, D. Kielczewska, D. Kikola, M. Kirejczyk, J. Kisiel, T. Kiss, S. Kleinfelder, T. Kobayashi, V.I. Kolesnikov, D. Kolev, V.P. Kondratiev, A. Korzenev, P. Kovesarki, S. Kowalski, A. Krasnoperov, S. Kuleshov, A. Kurepin, D. Larsen, A. Laszlo, V.V. Lyubushkin, M. Mackowiak-Pawlowska, Z. Majka, B. Maksiak, A.I. Malakhov, D. Maletic, D. Manic, A. Marchionni, A. Marcinek, V. Marin, K. Marton, H.-J. Mathes, T. Matulewicz, V. Matveev, G.L. Melkumov, S. Mrówczy ski, S. Murphy, T. Nakadaira, M. Nirkko, K. Nishikawa, T. Palczewski, G. Palla, A.D. Panagiotou, T. Paul, W. Peryt, C. Pistillo, A. Redij, O. Petukhov, R. Planeta, J. Pluta, B.A. Popov, M. Posiada a, S. Pu awski, J. Puzovic, W. Rauch, M. Ravonel, R. Renfordt, A. Robert, D. Röhrich, E. Rondio, M. Roth, A. Rubbia, A. Rustamov, M. Rybczynski, A. Sadovsky, K. Sakashita, M. Savic, K. Schmidt, T. Sekiguchi, P. Seyboth, M. Shibata, R. Sipos, E. Skrzypczak, M. Slodkowski, P. Staszel, G. Stefanek, J. Stepaniak, T. Susa, M. Szuba, M. Tada, V. Tereshchenko, T. Tolyhi, R. Tsenov, L. Turko, R. Ulrich, M. Unger, M. Vassiliou, D. Veberic, V.V. Vechernin, G. Vesztergombi, L. Vinogradov, A. Wilczek, Z. Wlodarczyk, A. Wojtaszek, O. Wyszy ski, L. Zambelli, W. Zipper

Research output

18 Citations (Scopus)

Abstract

Spectra of K0S mesons and Λ hyperons were measured in p + C interactions at 31 GeV/c with the large acceptance NA61/SHINE spectrometer at the CERN SPS. The data were collected with an isotropic graphite target with a thickness of 4% of a nuclear interaction length. Interaction cross sections, charged pion spectra, and charged kaon spectra were previously measured using the same data set. Results on K0S and Λ production in p + C interactions serve as a reference for the understanding of the enhancement of strangeness production in nucleus-nucleus collisions. Moreover, they provide important input for the improvement of neutrino flux predictions for the T2K long baseline neutrino oscillation experiment in Japan. Inclusive production cross sections for K0S and Λ are presented as a function of laboratory momentum in intervals of the laboratory polar angle covering the range from 0 up to 240 mrad. The results are compared with predictions of several hadron production models. The K0S mean multiplicity in production
Original languageEnglish
Pages (from-to)025205
Number of pages12
JournalPhysical Review C - Nuclear Physics
Volume89
Issue number2
DOIs
Publication statusPublished - 2014

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    Abgrall, N., Aduszkiewicz, A., Ali, Y., Anticic, T., Antoniou, N., Argyriades, J., Baatar, B., Blondel, A., Blumer, J., Bogomilov, M., Bravar, A., Brooks, W., Brzychczyk, J., Bunyatov, S. A., Busygina, O., Christakoglou, P., Czopowicz, T., Davis, N., Debieux, S., ... Zipper, W. (2014). Measurements of production properties of K0S mesons and Λ hyperons in proton-carbon interactions at 31 GeV/c. Physical Review C - Nuclear Physics, 89(2), 025205. https://doi.org/10.1103/PhysRevC.89.025205