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Phys. Rev. D 78, 032003 (2008) [16 pages]

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

A. Rodriguez,1 L. Whitehead,27 J. L. Alcaraz,1 S. Andringa,1 S. Aoki,14 J. Argyriades,5 K. Asakura,14 R. Ashie,29 F. Berghaus,3 H. Berns,33 H. Bhang,24 A. Blondel,9 S. Borghi,9 J. Bouchez,5 J. Burguet-Castell,32 D. Casper,4 J. Catala,32 C. Cavata,5 A. Cervera,9 S. M. Chen,31 K. O. Cho,6 J. H. Choi,6 U. Dore,23 X. Espinal,1 M. Fechner,5 E. Fernandez,1 Y. Fujii,11 Y. Fukuda,19 J. Gomez-Cadenas,32 R. Gran,33 T. Hara,14 M. Hasegawa,16 T. Hasegawa,11 Y. Hayato,29 R. L. Helmer,31 K. Hiraide,16 J. Hosaka,29 A. K. Ichikawa,16 M. Iinuma,12 A. Ikeda,21 T. Ishida,11 K. Ishihara,29 T. Ishii,11 M. Ishitsuka,30 Y. Itow,29 T. Iwashita,11 H. I. Jang,6 E. J. Jeon,24 I. S. Jeong,6 K. K. Joo,24 G. Jover,1 C. K. Jung,27 T. Kajita,30 J. Kameda,29 K. Kaneyuki,30 I. Kato,31 E. Kearns,2 C. O. Kim,15 M. Khabibullin,13 A. Khotjantsev,13 D. Kielczewska,34,25 J. Y. Kim,6 S. B. Kim,24 P. Kitching,31 K. Kobayashi,27 T. Kobayashi,11 A. Konaka,31 Y. Koshio,29 W. Kropp,4 Yu. Kudenko,13 Y. Kuno,22 Y. Kurimoto,16 T. Kutter,17,3 J. Learned,10 S. Likhoded,2 I. T. Lim,6 P. F. Loverre,23 L. Ludovici,23 H. Maesaka,16 J. Mallet,5 C. Mariani,23 S. Matsuno,10 V. Matveev,13 K. McConnel,18 C. McGrew,27 S. Mikheyev,13 A. Minamino,29 S. Mine,4 O. Mineev,13 C. Mitsuda,29 M. Miura,29 Y. Moriguchi,14 S. Moriyama,29 T. Nakadaira,11 M. Nakahata,29 K. Nakamura,11 I. Nakano,21 T. Nakaya,16 S. Nakayama,30 T. Namba,29 R. Nambu,29 S. Nawang,12 K. Nishikawa,11 K. Nitta,16 F. Nova,1 P. Novella,32 Y. Obayashi,29 A. Okada,30 K. Okumura,30 S. M. Oser,3 Y. Oyama,11 M. Y. Pac,7 F. Pierre,5 C. Saji,30 M. Sakuda,21 F. Sanchez,1 K. Scholberg,8,18 R. Schroeter,9 M. Sekiguchi,14 M. Shiozawa,29 K. Shiraishi,33 G. Sitjes,32 M. Smy,4 H. Sobel,4 M. Sorel,32 J. Stone,2 L. Sulak,2 A. Suzuki,14 Y. Suzuki,29 M. Tada,11 T. Takahashi,12 Y. Takenaga,30 Y. Takeuchi,29 K. Taki,29 Y. Takubo,22 N. Tamura,20 M. Tanaka,11 R. Terri,27 S. T'Jampens,5 A. Tornero-Lopez,32 Y. Totsuka,11 M. Vagins,4 C. W. Walter,8 W. Wang,2 R. J. Wilkes,33 S. Yamada,29 Y. Yamada,11 S. Yamamoto,16 C. Yanagisawa,27 N. Yershov,13 H. Yokoyama,28 M. Yokoyama,16 J. Yoo,24 M. Yoshida,22 and J. Zalipska25

(K2K Collaboration)

1Institut de Fisica d'Altes Energies, Universitat Autonoma de Barcelona, E-08193 Bellaterra (Barcelona), Spain
2Department of Physics, Boston University, Boston, Massachusetts 02215, USA
3Department of Physics & Astronomy, University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
4Department of Physics and Astronomy, University of California, Irvine, Irvine, California 92697-4575, USA
5DAPNIA, CEA Saclay, 91191 Gif-sur-Yvette Cedex, France
6Department of Physics, Chonnam National University, Kwangju 500-757, Korea
7Department of Physics, Dongshin University, Naju 520-714, Korea
8Department of Physics, Duke University, Durham, North Carolina 27708, USA
9DPNC, Section de Physique, University of Geneva, CH1211, Geneva 4, Switzerland
10Department of Physics and Astronomy, University of Hawaii, Honolulu, Hawaii 96822, USA
11High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan
12Graduate School of Advanced Sciences of Matter, Hiroshima University, Higashi-Hiroshima, Hiroshima 739-8530, Japan
13Institute for Nuclear Research, Moscow 117312, Russia
14Kobe University, Kobe, Hyogo 657-8501, Japan
15Department of Physics, Korea University, Seoul 136-701, Korea
16Department of Physics, Kyoto University, Kyoto 606-8502, Japan
17Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana 70803-4001, USA
18Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
19Department of Physics, Miyagi University of Education, Sendai 980-0845, Japan
20Department of Physics, Niigata University, Niigata, Niigata 950-2181, Japan
21Department of Physics, Okayama University, Okayama, Okayama 700-8530, Japan
22Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
23University of Rome La Sapienza and INFN, I-000185 Rome, Italy
24Department of Physics, Seoul National University, Seoul 151-747, Korea
25A. Soltan Institute for Nuclear Studies, 00-681 Warsaw, Poland
26Research Center for Neutrino Science, Tohoku University, Sendai, Miyagi 980-8578, Japan
27Department of Physics and Astronomy, State University of New York, Stony Brook, New York 11794-3800, USA
28Department of Physics, Tokyo University of Science, Noda, Chiba 278-0022, Japan
29Kamioka Observatory, Institute for Cosmic Ray Research, University of Tokyo, Kamioka, Gifu 506-1205, Japan
30Research Center for Cosmic Neutrinos, Institute for Cosmic Ray Research, University of Tokyo, Kashiwa, Chiba 277-8582, Japan
31TRIUMF, Vancouver, British Columbia V6T 2A3, Canada
32Instituto de Física Corpuscular, E-46071 Valencia, Spain
33Department of Physics, University of Washington, Seattle, Washington 98195-1560, USA
34Institute of Experimental Physics, Warsaw University, 00-681 Warsaw, Poland

Received 5 May 2008; published 7 August 2008

Single charged pion production in charged-current muon neutrino interactions with carbon is studied using data collected in the K2K long-baseline neutrino experiment. The mean energy of the incident muon neutrinos is 1.3 GeV. The data used in this analysis are mainly from a fully active scintillator detector, SciBar. The cross section for single pi+ production in the resonance region (W<2 GeV/c2) relative to the charged-current quasielastic cross section is found to be 0.734-0.153+0.140. The energy-dependent cross section ratio is also measured. The results are consistent with a previous experiment and the prediction of our model.

©2008 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevD.78.032003
DOI: 10.1103/PhysRevD.78.032003
PACS: 13.15.+g; 25.30.Pt
  • 13.15.+g
    Neutrino interactions
  • 25.30.Pt
    Nuclear neutrino-induced reactions
  • YEAR: 2008

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