Search for coherent charged pion production in neutrino-carbon interactions

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Date
2005-12-16
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American Physical Society
Abstract

We report the result from a search for charged-current coherent pion production induced by muon neutrinos with a mean energy of 1.3 GeV. The data are collected with a fully active scintillator detector in the K2K long-baseline neutrino oscillation experiment. No evidence for coherent pion production is observed and an upper limit of 0.60×10−2 is set on the cross section ratio of coherent pion production to the total charged-current interaction at 90% confidence level. This is the first experimental limit for coherent charged pion production in the energy region of a few GeV.

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Keywords
Physics, Multidisciplinary, Physics, CROSS-SECTIONS, GEV REGION, RESONANCE, DETECTOR, NUCLEI, MESONS
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