A study of the nuclear-medium influence on neutral-strange-particle production in deep-inelastic neutrino scattering期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

A study of the nuclear-medium influence on neutral-strange-particle production in deep-inelastic neutrino scattering

Authors:	N. M. Agababyan V. V. Ammosov M. Atayan N. Grigoryan H. Gulkanyan A. A. Ivanilov Zh. Karamyan V. A. Korotkov

Affiliation:	(1) Joint Institute for Nuclear Research, Dubna, Moscow oblast, 141980, Russia;(2) Yerevan Physics Institute, Armenia;(3) Institute for High Energy Physics, Protvino, Moscow oblast, 142284, Russia

Abstract:	The influence of nuclear effects on the production of neutral strange particles (V ⁰) is investigated using the data obtained with SKAT propane-freon bubble chamber irradiated in the neutrino beam (with E _v=3−30 GeV) at the Serpukhov accelerator. The mean multiplicity of V ⁰ particles in nuclear interactions, $langle n_{V^0 } rangle _A = 0.092 pm 0.010$ , is found to exceed significantly that in “quasideuteron” interactions, $langle n_{V^0 } rangle _D = 0.063 pm 0.013$ . The ratio of $rho _{V^0 } = langle n_{V^0 } rangle A/langle n_{V^0 } rangle _D = 1.46 pm 0.23$ is larger than that for π⁻ mesons, $rho _{pi ^ - } = 1.10 pm 0.03$ . It is shown that the multiplicity gain of V ⁰ particles can be explained by intranuclear interactions of produced pions. The text was submitted by the authors in English.

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