About: Semihard scattering unraveled from collective dynamics by two-pion azimuthal correlations in 158A GeV/c Pb+Au collisions     Goto   Sponge   NotDistinct   Permalink

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Description
  • Eliptický tok a dvoučásticové azimutální korelace byly měřeny experimentem CERES pro nabité hadrony a p mezony s příčným impulsem ? 1 GeV/c poblíž centrální rapidity. Pro příčné impulsy ? 1.5 GeV/c klesá sklon nárůstu koeficientu v2, což naznačuje saturaci v2 pro vysoké příčné impulsy. Dvoupionové azimutální anizotropie převyšují eliptický tok o přibližně 60% ve středně centrálních srážkách. Tato složka je spojována s jetu-podobnými korelacemi v blízkém a protilehlém kónu. Protilehlý kónus vykazuje rozšíření v závislosti na centralitě. (cs)
  • Elliptic flow and two-particle azimuthal correlations of charged hadrons and high-p(T) pions (p(T)>1 GeV/c) have been measured close to midrapidity in 158A GeV/c Pb+Au collisions by the CERES experiment. Elliptic flow (v(2)) rises linearly with p(T) to a value of about 10% at 2 GeV/c. Beyond p(T)approximate to1.5 GeV/c, the slope decreases considerably, possibly indicating a saturation of v(2) at high p(T). Two-pion azimuthal anisotropies for p(T)>1.2 GeV/c exceed the elliptic flow values by about 60% in midcentral collisions. These nonflow contributions are attributed to nearside and back-to-back jetlike correlations, the latter exhibiting centrality dependent broadening.
  • Elliptic flow and two-particle azimuthal correlations of charged hadrons and high-p(T) pions (p(T)>1 GeV/c) have been measured close to midrapidity in 158A GeV/c Pb+Au collisions by the CERES experiment. Elliptic flow (v(2)) rises linearly with p(T) to a value of about 10% at 2 GeV/c. Beyond p(T)approximate to1.5 GeV/c, the slope decreases considerably, possibly indicating a saturation of v(2) at high p(T). Two-pion azimuthal anisotropies for p(T)>1.2 GeV/c exceed the elliptic flow values by about 60% in midcentral collisions. These nonflow contributions are attributed to nearside and back-to-back jetlike correlations, the latter exhibiting centrality dependent broadening. (en)
Title
  • Semihard scattering unraveled from collective dynamics by two-pion azimuthal correlations in 158A GeV/c Pb+Au collisions
  • Semi-tvrdý rozptyl vydělený z kolektivní dynamiky pomocí dvoučásticových azimutálních korelací p mezonů v Pb-Au srážkách při 158 GeV na nukleon (cs)
  • Semihard scattering unraveled from collective dynamics by two-pion azimuthal correlations in 158A GeV/c Pb+Au collisions (en)
skos:prefLabel
  • Semihard scattering unraveled from collective dynamics by two-pion azimuthal correlations in 158A GeV/c Pb+Au collisions
  • Semi-tvrdý rozptyl vydělený z kolektivní dynamiky pomocí dvoučásticových azimutálních korelací p mezonů v Pb-Au srážkách při 158 GeV na nukleon (cs)
  • Semihard scattering unraveled from collective dynamics by two-pion azimuthal correlations in 158A GeV/c Pb+Au collisions (en)
skos:notation
  • RIV/61389005:_____/04:00105628!RIV/2005/AV0/A49005/N
http://linked.open.../vavai/riv/strany
  • 032301
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(KSK1048102)
http://linked.open...iv/cisloPeriodika
  • 3
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
  • 585831
http://linked.open...ai/riv/idVysledku
  • RIV/61389005:_____/04:00105628
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • quark-gluon plasmas;elliptic flow (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [A6A04F8F8C8B]
http://linked.open...i/riv/nazevZdroje
  • Physical Review Letters
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
  • 92
http://linked.open...iv/tvurceVysledku
  • Petráček, Vojtěch
  • Bielcikova, J.
  • Braun-Munzinger, P.
  • Agakichiev, G.
  • Appelshauser, H.
  • Baur, R.
issn
  • 0031-9007
number of pages
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