STUDY OF SEMI-INCLUSIVE GAMMA PRODUCTION IN CHARGED-CURRENT ANTINEUTRINO-NUCLEON INTERACTIONSстатьяИсследовательская статья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:The results of a study of gamma production in antineutrino-nucleon interactions observed in the Fermilab 15 ft bubble chamber filled with a neon-hydrogen mixture are presented. From a sample of 706 gamma-rays we obtained the dependence of the average number of produced PI0's on negative multiplicity, momentum transfer and hadronie invariant mass. We find that the mean transverse momentum of the gamma-rays is independent of the above variables but has an asymmetric distribution with respect to the Feynman variable x. The invariant gamma cross-section distributions, the distribution function D for PI0's and the energy spectrum of PI0's reconstructed from the gamma spectrum are also reported.