b(b)over-bar production in p plus p collisions at PHENIX

被引：0
|
作者：
Sen, Abhisek [1 ]
机构：
[1] Iowa State Univ, Ames, IA 50011 USA
来源：
NUCLEAR PHYSICS A | 2016年 / 956卷
关键词：
Heavy flavor; PHENIX; bottom production; oscillation;
D O I：
10.1016/j.nuclphysa.2016.02.040
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
The b (b) over bar production cross section has been measured by the PHENIX experiment at the Relativistic Heavy Ion Collider (RHIC) in p + p collisions at root s = 200 and 500 GeV. In the absence of displaced-vertex b-tagging, dilepton continuum pairs provide a unique opportunity for b-quark production cross section measurement. We report two independent preliminary analyses of bottom quark production measurements using unlike-sign dielectron pairs measured in the rapidity range vertical bar y vertical bar < 0.35 and like-sign dimuon pairs measured in the rapidity range 1.2 < vertical bar y vertical bar < 2.2. The extrapolated total production cross-sections agree with the NLO pQCD theory calculations within the uncertainties.
引用
收藏
页码：489 / 492
页数：4
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