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  • Calculations of Quantum Chromodynamics on lattice showed that under conditions of high energy density or high temperature nuclear matter undergoes a phase transition from a state of quarks and gluons confined in hadrons to a deconfined state, the Quark-Gluon Plasma (QGP). Such conditions were present in first moments after the Big Bang and can be created in laboratory by colliding of heavy ions with sufficient energy. One of the most prominent signatures of QGP formation is the quarkonium suppression in central heavyion collisions arising from the Debye screening of the quark-antiquark potential in hot and dense nuclear matter. However, cold nuclear matter effects and heavy quark recombination could influence the measured quarkonium yields. Measurements of J/psi at different collision energies can shed new light on understanding the interplay of these mechanisms for J/psi production. The production mechanism of J/psi is not well understood yet and the simultaneous measurement of J/psi transverse momentum spectra and polarization in p + p collisions can significantly constrain possible production scenarios.
  • Calculations of Quantum Chromodynamics on lattice showed that under conditions of high energy density or high temperature nuclear matter undergoes a phase transition from a state of quarks and gluons confined in hadrons to a deconfined state, the Quark-Gluon Plasma (QGP). Such conditions were present in first moments after the Big Bang and can be created in laboratory by colliding of heavy ions with sufficient energy. One of the most prominent signatures of QGP formation is the quarkonium suppression in central heavyion collisions arising from the Debye screening of the quark-antiquark potential in hot and dense nuclear matter. However, cold nuclear matter effects and heavy quark recombination could influence the measured quarkonium yields. Measurements of J/psi at different collision energies can shed new light on understanding the interplay of these mechanisms for J/psi production. The production mechanism of J/psi is not well understood yet and the simultaneous measurement of J/psi transverse momentum spectra and polarization in p + p collisions can significantly constrain possible production scenarios. (en)
Title
  • Quarkonium measurements in the STAR experiment
  • Quarkonium measurements in the STAR experiment (en)
skos:prefLabel
  • Quarkonium measurements in the STAR experiment
  • Quarkonium measurements in the STAR experiment (en)
skos:notation
  • RIV/68407700:21340/14:00226179!RIV15-MSM-21340___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA13-20841S), S
http://linked.open...iv/cisloPeriodika
  • Dec
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
  • Bielčík, Jaroslav
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 41123
http://linked.open...ai/riv/idVysledku
  • RIV/68407700:21340/14:00226179
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Heavy ions; Quark-gluon plasma; Quarkonium (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • NL - Nizozemsko
http://linked.open...ontrolniKodProRIV
  • [912FD7662672]
http://linked.open...i/riv/nazevZdroje
  • Nuclear Physics A
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 932
http://linked.open...iv/tvurceVysledku
  • Bielčík, Jaroslav
http://linked.open...ain/vavai/riv/wos
  • 000347766900086
issn
  • 0375-9474
number of pages
http://bibframe.org/vocab/doi
  • 10.1016/j.nuclphysa.2014.09.096
http://localhost/t...ganizacniJednotka
  • 21340
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