About: Measurement of K^0_S and K^*0 in p+p, d+Au, and Cu+Cu collisions at root s_NN=200 GeV     Goto   Sponge   NotDistinct   Permalink

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  • The PHENIX experiment at the Relativistic Heavy Ion Collider has performed a systematic study of KS0 and K*0 meson production at midrapidity in p+p,d+Au, and Cu+Cu collisions at root sNN=200 GeV. The KS0 and K*0 mesons are reconstructed via their KS0->π0(->γγ)π0(->γγ) and K*0->K±π-/+ decay modes, respectively. The measured transverse-momentum spectra are used to determine the nuclear modification factor of KS0 and K*0 mesons in d+Au and Cu+Cu collisions at different centralities. In the d+Au collisions, the nuclear modification factor of KS0 and K*0 mesons is almost constant as a function of transverse momentum and is consistent with unity, showing that cold-nuclear-matter effects do not play a significant role in the measured kinematic range. In Cu+Cu collisions, within the uncertainties no nuclear modification is registered in peripheral collisions. In central collisions, both mesons show suppression relative to the expectations from the p+p yield scaled by the number of binary nucleon-nucleon collisions in the Cu+Cu system. In the pT range 2–5 GeV/c, the strange mesons (KS0,K*0) similarly to the ϕ meson with hidden strangeness, show an intermediate suppression between the more suppressed light quark mesons (π0) and the nonsuppressed baryons (p,p). At higher transverse momentum, pT>5 GeV/c, production of all particles is similarly suppressed by a factor of ~2.
  • The PHENIX experiment at the Relativistic Heavy Ion Collider has performed a systematic study of KS0 and K*0 meson production at midrapidity in p+p,d+Au, and Cu+Cu collisions at root sNN=200 GeV. The KS0 and K*0 mesons are reconstructed via their KS0->π0(->γγ)π0(->γγ) and K*0->K±π-/+ decay modes, respectively. The measured transverse-momentum spectra are used to determine the nuclear modification factor of KS0 and K*0 mesons in d+Au and Cu+Cu collisions at different centralities. In the d+Au collisions, the nuclear modification factor of KS0 and K*0 mesons is almost constant as a function of transverse momentum and is consistent with unity, showing that cold-nuclear-matter effects do not play a significant role in the measured kinematic range. In Cu+Cu collisions, within the uncertainties no nuclear modification is registered in peripheral collisions. In central collisions, both mesons show suppression relative to the expectations from the p+p yield scaled by the number of binary nucleon-nucleon collisions in the Cu+Cu system. In the pT range 2–5 GeV/c, the strange mesons (KS0,K*0) similarly to the ϕ meson with hidden strangeness, show an intermediate suppression between the more suppressed light quark mesons (π0) and the nonsuppressed baryons (p,p). At higher transverse momentum, pT>5 GeV/c, production of all particles is similarly suppressed by a factor of ~2. (en)
Title
  • Measurement of K^0_S and K^*0 in p+p, d+Au, and Cu+Cu collisions at root s_NN=200 GeV
  • Measurement of K^0_S and K^*0 in p+p, d+Au, and Cu+Cu collisions at root s_NN=200 GeV (en)
skos:prefLabel
  • Measurement of K^0_S and K^*0 in p+p, d+Au, and Cu+Cu collisions at root s_NN=200 GeV
  • Measurement of K^0_S and K^*0 in p+p, d+Au, and Cu+Cu collisions at root s_NN=200 GeV (en)
skos:notation
  • RIV/68407700:21340/14:00221904!RIV15-MSM-21340___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • I, P(LG13031), S
http://linked.open...iv/cisloPeriodika
  • 5
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 27819
http://linked.open...ai/riv/idVysledku
  • RIV/68407700:21340/14:00221904
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • PHENIX; RHIC; p+p collision; Au+Au collision; Cu+Cu collision; K meson; centrality; strange meson (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [841325F4E1E6]
http://linked.open...i/riv/nazevZdroje
  • Physical Review C
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
  • 90
http://linked.open...iv/tvurceVysledku
  • Adare, A.
  • Gallus, Petr
  • Liška, Tomáš
  • Tomášek, Michal
  • Virius, Miroslav
  • Vrba, Václav
  • Král, A.
http://linked.open...ain/vavai/riv/wos
  • 000345253400003
issn
  • 0556-2813
number of pages
http://bibframe.org/vocab/doi
  • 10.1103/PhysRevC.90.054905
http://localhost/t...ganizacniJednotka
  • 21340
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