Leading order analysis of neutrino induced dimuon events in the CHORUS experiment

Kayis Topaksu, A.; Onengut, G.; Dantzig, R. V.; Jong, M. D.; R. G. C.,; Guler, A.; Kama, S.; Kose, U.; Serin Zeyrek, M.; Tolun, P.; Catanesi, M. G.; Muciaccia, M. T.; Bulte, A.; Winter, K.; B. V., De; Vilain, P.; Wilquet, G.; Saitta, B.; Capua, E. D.; Ogawa, S.; Shibuya, H.; Hristova, I. R.; Kawamura, T.; Kolev, D.; Litmaath, M.; Meinhard, H.; Panman, J.; Rozanov, A.; Tsenov, R.; J. W. E.,; Zucchelli, P.; Goldberg, J.; Chikawa, M.; Song, J. S.; Yoon, C. S.; Kodama, K.; Ushida, N.; Aoki, S.; Hara, T.; Delbar, T.; Favart, D.; Gregoire, G.; Kalinin, S.; Makhlioueva, I.; Artamonov, A.; Gorbunov, P.; Khovansky, V.; Shamanov, V.; Tsukerman, I.; Bruski, N.; Frekers, D.; Rondeshagen, D.; Wolff, T.; Hoshino, K.; Kawada, J.; Komatsu, M.; Miyanishi, A.; Nakamura, M.; Nakano, T.; Narita, K.; Niu, K.; Niwa, K.; Nonaka, N.; Sato, O.; Toshito, T.; Buontempo, S.; Cocco, A. G.; D'Ambrosio, N.; De Lellis, Giovanni; De Rosa, Gianfranca; Di Capua, Francesco; Fiorillo, Giuliana; Marotta, A.; Messina, M.; Migliozzi, P.; Santorelli, R.; Lavina, L. S.; Strolin, Paolo Emilio; Tioukov, V.; Okusawa, T.; Dore, U.; Loverre, P. F.; Ludovici, L.; Rosa, G.; Santacesaria, R.; Satta, A.; Spada, F. R.; Barbuto, E.; Bozza, C.; Grella, G.; Romano, G.; Sirignano, C.; Sorrentino, S.; Sato, Y.; Tezuka, I.

doi:10.1016/j.nuclphysb.2008.02.013

We present a leading order QCD analysis of a sample of neutrino induced charged-current events with two muons in the final state originating in the lead-scintillating fibre calorimeter of the CHORUS detector. The results are based on a sample of 8910 neutrino and 430 antineutrino induced opposite-sign dimuon events collected during the exposure of the detector to the CERN Wide Band Neutrino Beam between 1995 and 1998. The analysis yields a value of the charm quark mass of m(c) = (1.26 +/- 0.16 +/- 0.09) GeV/c(2) and a value of the ratio of the strange to non-strange sea in the nucleon Of K = 0.33 +/- 0.05 +/- 0.05, improving the results obtained in similar analyses by previous experiments. (c) 2008 Elsevier B.V. All rights reserved.

Leading order analysis of neutrino induced dimuon events in the CHORUS experiment / A., K.T., G., O., R. v., D., M. d., J., R. G., C., A., G., S., K., U., K., M., S.Z., P., T., M. G., C., M. T., M., A., B., K., W., B. V., D.e., P., V., G., W., B., S., E. D., C., S., O., et al.. - In: NUCLEAR PHYSICS. B. - ISSN 0550-3213. - STAMPA. - 798:1-2(2008), pp. 1-16. [10.1016/j.nuclphysb.2008.02.013]