Bottomonium production with statistical hadronization in heavy-ion collisions at collider energies

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Abstract

We present the bottomonium production estimated by using the hybrid model that combines direct bb̄ pair creation in hard scattering and a statistical hadronization of the deconfined quarkgluon plasma. Complete color screening and full equilibration of the deconfined quark matter is assumed in the quark-gluon plasma phase. An enhanced production of the Υ(1S) state is predicted at collider energies. However, a significant difference between the RHIC (Relativistic Heavy Ion Collider) and the LHC (Large Hadron Collider) is expected in the centrality dependence of the Υ(1S) production. Normalizing the Υ(1S) production by the average number of binary collisions, we expect about a factor of five decrease from half-overlap to central collisions at the RHIC, but almost no change at the LHC, Plans for measuring the bottomonium production cross-sections in future collider experiments are summarized.

Original languageEnglish
Pages (from-to)1382-1387
Number of pages6
JournalJournal of the Korean Physical Society
Volume44
Issue number6
Publication statusPublished - 2004 Jun

Keywords

  • Bottomonium
  • Heavy-ion collisions
  • LHC
  • RHIC
  • Statistical hadronization
  • Thermal model

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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