Dimuon Results in Pb plus Pb and p plus p Collisions in CMS

被引：0
|
作者：
Calderon de la Barca Sanchez, M. [1 ]
机构：
[1] Univ Calif Davis, Dept Phys, Davis, CA 95616 USA
来源：
19TH PARTICLES AND NUCLEI INTERNATIONAL CONFERENCE (PANIC11) | 2012年 / 1441卷
关键词：
Heavy-ion collisions; Upsilon; Z(0) bosons; Quark-Gluon Plasma; QUARK-GLUON PLASMA; SUPPRESSION;
D O I：
10.1063/1.3700699
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The LHC offers unique opportunities for studying the properties of hot QCD matter created in Pb+Pb collisions at extreme temperatures and very low parton momentum fractions. With its high precision, large acceptance for tracking and calorimetry, and a trigger scheme that allows analysis of each minimum bias Pb+Pb event, CMS is fully equipped to measure dimuons in the high multiplicity environment of Pb+Pb collisions. Such probes are especially relevant since they are produced at early times and propagate through the medium, mapping its evolution. The capabilities of the CMS experiment to study dimuon production in pp and Pb+Pb collisions based on the 2010 LHC runs will be reviewed. CMS is able to measure primary and secondary J/psi y, as well as the three (sic) states. Quarkonia results at root s=76 TeV in p + p and Pb+Pb will be presented, including a tantalizing observation of suppression of the (sic) excited states. The Z(0) boson inclusive and differential measurement as a probe of the initial state will be described.
引用
收藏
页码：856 / 858
页数：3
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