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Abstract <p>NA64 is an experiment to search for dark matter particles. Its main goal is to search for the so-called dark photon <InlineEquation ID="IEq3"> <EquationSource Format="TEX">\(A^{\prime}\)</EquationSource> <!--NuclPhys2560213Gertsenberger-m3--> </InlineEquation> a vector mediator between ordinary and dark matter. One of the possible channels for the production of <InlineEquation ID="IEq4"> <EquationSource Format="TEX">\(A^{\prime}\)</EquationSource> <!--NuclPhys2560213Gertsenberger-m4--> </InlineEquation> is the invisible decay of the <InlineEquation ID="IEq5"> <EquationSource Format="TEX">\(\rho^{0}\)</EquationSource> <!--NuclPhys2560213Gertsenberger-m5--> </InlineEquation> meson formed in the photoproduction process. The article presents a simulation of <InlineEquation ID="IEq6"> <EquationSource Format="TEX">\(\rho^{0}\)</EquationSource> <!--NuclPhys2560213Gertsenberger-m6--> </InlineEquation> meson production and provides an estimate of the number that could be obtained in the NA64 experiment. Possibility of searching for two modes of <InlineEquation ID="IEq7"> <EquationSource Format="TEX">\(\rho^{0}\)</EquationSource> <!--NuclPhys2560213Gertsenberger-m7--> </InlineEquation> meson decay for different tasks discussed.</p>

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Simulation of \({\rho}^{{0}}\) Meson Production in the Target of the NA64 Experiment

  • 期刊论文

  • 发表日期：

    2025年12月1日

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  • S. Gertsenberger,
  • A. Ivanov,
  • A. Zhevlakov

摘要

Abstract

NA64 is an experiment to search for dark matter particles. Its main goal is to search for the so-called dark photon \(A^{\prime}\) a vector mediator between ordinary and dark matter. One of the possible channels for the production of \(A^{\prime}\) is the invisible decay of the \(\rho^{0}\) meson formed in the photoproduction process. The article presents a simulation of \(\rho^{0}\) meson production and provides an estimate of the number that could be obtained in the NA64 experiment. Possibility of searching for two modes of \(\rho^{0}\) meson decay for different tasks discussed.