About: Spectra and ratios of identified particles in Au plus Au and d plus Au collisions at root s(NN)=200 GeV     Goto   Sponge   NotDistinct   Permalink

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  • The transverse momentum (p(T)) spectra and ratios of identified charged hadrons (pi(+/-), K-+/-, p, (p) over bar) produced in root s(NN) = 200 GeV Au + Au and d + Au collisions are reported in five different centrality classes for each collision species. The measurements of pions and protons are reported up to p(T) = 6 GeV/c (5 GeV/c), and the measurements of kaons are reported up to p(T) = 4 GeV/c (3.5 GeV/c) in Au + Au (d + Au) collisions. In the intermediate p(T) region, between 2 and 5 GeV/c, a significant enhancement of baryon-to-meson ratios compared to those measured in p + p collisions is observed. This enhancement is present in both Au + Au and d + Au collisions and increases as the collisions become more central. We compare a class of peripheral Au + Au collisions with a class of central d + Au collisions which have a comparable number of participating nucleons and binary nucleon-nucleon collisions. The p(T)-dependent particle ratios for these classes display a remarkable similarity, which is then discussed.
  • The transverse momentum (p(T)) spectra and ratios of identified charged hadrons (pi(+/-), K-+/-, p, (p) over bar) produced in root s(NN) = 200 GeV Au + Au and d + Au collisions are reported in five different centrality classes for each collision species. The measurements of pions and protons are reported up to p(T) = 6 GeV/c (5 GeV/c), and the measurements of kaons are reported up to p(T) = 4 GeV/c (3.5 GeV/c) in Au + Au (d + Au) collisions. In the intermediate p(T) region, between 2 and 5 GeV/c, a significant enhancement of baryon-to-meson ratios compared to those measured in p + p collisions is observed. This enhancement is present in both Au + Au and d + Au collisions and increases as the collisions become more central. We compare a class of peripheral Au + Au collisions with a class of central d + Au collisions which have a comparable number of participating nucleons and binary nucleon-nucleon collisions. The p(T)-dependent particle ratios for these classes display a remarkable similarity, which is then discussed. (en)
Title
  • Spectra and ratios of identified particles in Au plus Au and d plus Au collisions at root s(NN)=200 GeV
  • Spectra and ratios of identified particles in Au plus Au and d plus Au collisions at root s(NN)=200 GeV (en)
skos:prefLabel
  • Spectra and ratios of identified particles in Au plus Au and d plus Au collisions at root s(NN)=200 GeV
  • Spectra and ratios of identified particles in Au plus Au and d plus Au collisions at root s(NN)=200 GeV (en)
skos:notation
  • RIV/68407700:21340/13:00207875!RIV14-MSM-21340___
http://linked.open...avai/riv/aktivita
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  • I, P(LA08015), S
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  • 2
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  • 106969
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  • RIV/68407700:21340/13:00207875
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  • QUARK-GLUON PLASMA; ENERGY NUCLEAR COLLISIONS; LARGE TRANSVERSE-MOMENTUM; ANGULAR-CORRELATIONS; LONG-RANGE; PHENIX; COLLABORATION; STRANGENESS; PERSPECTIVE; DETECTOR (en)
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  • US - Spojené státy americké
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  • [E6F964640A6C]
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  • Physical Review C
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  • 88
http://linked.open...iv/tvurceVysledku
  • Adare, A.
  • Afanasiev, S.
  • Aidala, C.
  • Liška, Tomáš
  • Virius, Miroslav
  • Vrba, Václav
http://linked.open...ain/vavai/riv/wos
  • 000323487400003
issn
  • 0556-2813
number of pages
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  • 10.1103/PhysRevC.88.024906
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  • 21340
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