PCAC and coherent pion production by neutrinos

Details PCAC and coherent pion production by neutrinos PCAC and coherent pion production by neutrinos

2009-08-19

arxiv.org/abs/0908.2758v1

AIP Conf.Proc.1189:218-223,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 7 figures, writeup of talk presented at NUINT 2009

Scientific paper

10.1063/1.3274159

Coherent pion production in low energy neutrino reactions is discussed in the framework of the partially conserved axial vector current theory (PCAC). The role of lepton mass effects in suppressing production of positively charged pions is discussed. Instead of using models of pion nucleus scattering, the available data on pion carbon scattering are implemented for an analysis of the PCAC prediction. Our results agree well with the published upper limits for positively charged production but are much below the recent MiniBooNE result for neutral pion production.

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