Abstract

Nuclear modification factor R_AA of π⁰ mesons produced in ³HeAu collisions at a cms energy of \(\sqrt {{{s}_{{NN}}}} \) = 200 GeV is extracted from data of the PHENIX experiment at the RHIC. The mean R_AA value for π⁰ mesons with p_T > 8 GeV/c is found to be close to 0.8 for central ³He + Au collisions.

中文翻译：

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在$$ \ sqrt {{{s __ {{NN}}}} $$ = 200 GeV的轻重3 HeAu碰撞中产生中性离子和η

摘要

核修正系数[R _AA的π ⁰中制备介子^3次在一个CMS能量HeAu碰撞\（\ SQRT {{{S} _ {{NN}}}} \） = 200电子伏特从在PHENIX实验的数据中提取RHIC。均值- [R _AA为π值⁰ 介子与p _Ť > 8电子伏特/ Ç被发现是接近0.8为中央^3次他+ Au碰撞。