Measurements of electron production from heavy flavor decays in p plus p and Au plus Au collisions at √sNN=200 GeV at STAR

被引：0
|
作者：
Zhou, Yingjie [1 ]
机构：
[1] Cent China Normal Univ, Key Lab Quark & Lepton Phys MOE, Wuhan 430079, Peoples R China
来源：
10TH INTERNATIONAL CONFERENCE ON HARD AND ELECTROMAGNETIC PROBES OF HIGH-ENERGY NUCLEAR COLLISIONS, HARDPROBES2020 | 2021年
关键词：
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
In these proceedings, we present the analyses of single electrons from semileptonic decays of open heavy flavor hadrons at mid-rapidity in p+p and Au+Au collisions at root s(NN) = 200 GeV. The data for Au+Au collisions were taken with the Heavy Flavor Tracker which enables a topological separation of electrons originating from bottom- and charm-hadron decays. We report results on the fraction of bottom-decayed electrons as a function of transverse momentum for Au+Au collisions from the STAR experiment with significantly improved precision compared to previous measurements. At the same time, improved measurements of nuclear modification factors (R-AA) of bottom- and charm-decayed electrons and a new measurement of the double ratio of R-CP between bottom- and charm-decayed electrons are also be presented.
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