KCMS Seminor

Europe/Zurich
CERN

CERN

Description
The new era of the Large Hadron Collider (LHC) in heavy-ion experiments has come up. It opens the chance to probe physics in new regime of center of mass energy 14 times larger than previous experiment, which is performed by the Relativistic Heavy Ion Collider (RHIC). Thanks to such a high center of mass energy available at the LHC, the dimuon analysis can reach up to high mass region such as W± and Z0 bosons in the heavy-ion collisions. This measurement during November and December in 2010 was the first trial to observe the Z0 bosons in the history of heavy-ion experiments. The study of Z0 and J/ψ production is very important to understand modifications in the Quark-Gluon-Plasma (QGP). Z0 bosons are expected to be un-modified by the presence of the QGP. On the other hand, J/ψs are expected to be modified by QGP. Therefore, we measured the comparison of the results of the nuclear modification factor (RAA), which is the ratio of the yields normalized by pp cross section scaled by binary collisions, rises the attention of the fans who love dimuon physics in heavy-ion and will be shown in this thesis. The analysis is performed with the data which were taken in pp and PbPb colli- sions at √sNN = 2.76 TeV with 7.2 μb−1.
Participants
  • Dong Ho Moon
    • 12:00 12:40
      Z0 boson and J/psi production in Pb+Pb 40m
      Speaker: Dong Ho Moon (Korea University (KR))
      Slides
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