Measurement of inclusive π0 production in the charged-current interactions of neutrinos in a 1.3-GeV wide band beam

C. Mariani, A. Tornero-Lopez, J. L. Alcaraz, S. Andringa, S. Aoki, Y. Aoyama, J. Argyriades, K. Asakura, R. Ashie, F. Berghaus, H. Berns, H. Bhang, A. Blondel, S. Borghi, J. Bouchez, J. Burguet-Castell, D. Casper, J. Catala, C. Cavata, A. CerveraS. M. Chen, K. O. Cho, J. H. Choi, U. Dore, X. Espinal, M. Fechner, E. Fernandez, Y. Fujii, Y. Fukuda, J. Gomez-Cadenas, R. Gran, T. Hara, M. Hasegawa, T. Hasegawa, Y. Hayato, R. L. Helmer, K. Hiraide, J. Hosaka, A. K. Ichikawa, M. Iinuma, A. Ikeda, T. Ishida, K. Ishihara, T. Ishii, M. Ishitsuka, Y. Itow, T. Iwashita, H. I. Jang, E. J. Jeon, I. S. Jeong, K. K. Joo, G. Jover Manas, C. K. Jung, T. Kajita, J. Kameda, K. Kaneyuki, I. Kato, E. Kearns, C. O. Kim, M. Khabibullin, A. Khotjantsev, D. Kielczewska, J. Y. Kim, S. B. Kim, P. Kitching, K. Kobayashi, T. Kobayashi, A. Konaka, Y. Koshio, W. Kropp, Yu Kudenko, Y. Kuno, Y. Kurimoto, T. Kutter, J. Learned, S. Likhoded, I. T. Lim, P. F. Loverre, L. Ludovici, H. Maesaka, J. Mallet, S. Matsuno, V. Matveev, K. McConnel Mahn, C. McGrew, S. Mikheyev, A. Minamino, S. Mine, O. Mineev, C. Mitsuda, M. Miura, Y. Moriguchi, S. Moriyama, T. Nakadaira, M. Nakahata, K. Nakamura, I. Nakano, T. Nakaya, S. Nakayama, T. Namba

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    Abstract

    In this paper, we report on the measurement of the rate of inclusive π0 production induced by charged-current neutrino interactions in a C 8H8 target at a mean energy of 1.3 GeV in the K2K near detector. Out of a sample of 11606 charged-current neutrino interactions, we select 479 π0 events with two reconstructed photons. We find that the cross section for the inclusive π0 production relative to the charged-current quasielastic cross section is σCCπ0σCCQE=0. 426±0.032(stat)±0.035(syst). The energy-dependent cross section ratio is also measured. The results are consistent with previous experiments for exclusive channels on different targets. © 2011 American Physical Society.
    Original languageEnglish
    Article number054023
    JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
    Volume83
    Issue number5
    DOIs
    Publication statusPublished - 16 Mar 2011

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