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HEAVY-FLAVOR PRODUCTION IN THE CMS
- Authors
- Hong, Byungsik
- Issue Date
- 4월-2012
- Publisher
- JAGIELLONIAN UNIV PRESS
- Keywords
- CMS; heavy flavor
- Citation
- ACTA PHYSICA POLONICA B, v.43, no.4, pp.517 - 525
- Indexed
- SCIE
SCOPUS
- Journal Title
- ACTA PHYSICA POLONICA B
- Volume
- 43
- Number
- 4
- Start Page
- 517
- End Page
- 525
- ISSN
- 0587-4254
- Abstract
- The compact muon solenoid (CMS) detector at the large hadron collider (LHC) is ideal to measure the heavy flavor production, especially, in the dimuon channels in high-multiplicity environment. Compared to the pp data scaled by the number of binary collisions, the yields of prompt and non-prompt J/psi and gamma(1S) in Pb-Pb collisions are strongly suppressed at root s(NN) = 2.76 TeV. In addition, the excited gamma(2S+3S) states are also suppressed relative to the ground gamma(1S) state in Pb-Pb collisions. These results consistently indicate a significant medium effect on the heavy-flavor production in heavy-ion collisions at LHC.
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