CERN Accelerating science

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1.
Scale-dependence of transverse momentum correlations in Pb - Au collisions at 158A GeV/c / CERES Collaboration
We present results on transverse momentum correlations of charged particle pairs produced in Pb-Au collisions at 158$A$ GeV/$c$ at the Super Proton Synchrotron. The transverse momentum correlations have been studied as a function of collision centrality, angular separation of the particle pairs, transverse momentum and charge sign. [...]
arXiv:0803.2407.- 2008 - 23 p. - Published in : Nucl. Phys. A 811 (2008) 179-196 Fulltext: PDF; External link: Fulltext
2.
Modification of jet-like correlations in Pb - Au collisions at 158A GeV/c / CERES Collaboration
Results of a two-particle correlation analysis of high-pt charged particles in Pb–Au collisions at 158A GeV/c are presented. The data have been recorded by the CERESexperiment at the CERN-SPS. [...]
arXiv:0904.2973.- 2009 - 15 p. - Published in : Phys. Lett. B 678 (2009) 259-263 Preprint: PDF; External link: Preprint
3.
Viscosity of the matter created in nucleus-nucleus collisions at the SPS measured via two-pion interferometry / CERES Collaboration
Two-particle correlation measurements in ultra-relativistic nuclear collisions are analyzed to determine the ratio of shear viscosity to entropy density of the matter formed. [...]
arXiv:0907.2799.
- 2009. - 4 p, 4 p.
Preprint
4.
Beam energy and centrality dependence of two-pion Bose-Einstein correlations at SPS energies / CERES Collaboration
Results are presented of a two-pion interferometry (HBT) analysis in Pb+Au collisions at 40, 80, and 158 AGeV. A detailed study of the Bertsch-Pratt HBT radius parameters has been performed as function of the mean pair transverse momentum $k_t$ and in bins of the centrality of the collision. [...]
nucl-ex/0207005.- 2003 - 24 p. - Published in : Nucl. Phys. A 714 (2003) 124-44 Fulltext: PDF; External link: Fulltext
5.
Semihard scattering unraveled from collective dynamics by two-pion azimuthal correlations in 158A GeV/c Pb + Au collisions / CERES Collaboration
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 mid-rapidity 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/$c$. [...]
nucl-ex/0303014.- 2004 - 4 p. - Published in : Phys. Rev. Lett. 92 (2004) 032301/1-5 Fulltext: PDF;
6.
Azimuthal dependence of pion source radii in Pb + Au collisions at 158 A GeV / CERES Collaboration
We present results of a two-pion correlation analysis performed with the Au+Pb collision data collected by the upgraded CERES experiment in the fall of 2000. The analysis was done in bins of the reaction centrality and the pion azimuthal emission angle with respect to the reaction plane. [...]
arXiv:0805.2484.- 2008 - 5 p. - Published in : Phys. Rev. C 78 (2008) 064901 APS Published version, local copy: PDF; Fulltext: PDF; External link: Fulltext
7.
Leptonic and charged kaon decay modes of the $\phi$ meson measured in heavy-ion collisions at the CERN Super Proton Synchrotron / CERES Collaboration
We report a measurement of $\phi$ meson production in central Pb+Au collisions at E$_{lab}$/A=158 GeV. For the first time in heavy-ion collisions, $\phi$ mesons were reconstructed in the same experiment both in the K$^+$K$^-$ and the dilepton decay channel. [...]
nucl-ex/0512007.- 2006 - 11 p. - Published in : Phys. Rev. Lett. 96 (2006) 152301 APS Published version, local copy: PDF; Access to fulltext document: PDF; Fulltext: PDF; External link: nucl-ex/0512007 PDF
8.
Modification of the $\rho$-meson detected by low-mass electron-positron pairs in central Pb - Au collisions at 158 A GeV/c / CERES Collaboration
We present a measurement of $e^+e^-$ pair production in central Pb-Au collisions at 158$A$ GeV/$c$. As reported earlier, a significant excess of the $e^+e^-$ pair yield over the expectation from hadron decays is observed. [...]
nucl-ex/0611022.- 2008 - 10 p. - Published in : Phys. Lett. B 666 (2008) 425-429 Fulltext: PDF; Preprint: PDF; External link: nucl-ex/0611022 PDF
9.
The CERES/NA45 radial drift Time Projection Chamber / CERES Collaboration
The design, calibration, and performance of the first radial drift Time Projection Chamber (TPC) are presented. The TPC was built and installed at the CERES/NA45 experiment at the CERN SPS in the late nineties, with the objective to improve the momentum resolution of the spectrometer. [...]
arXiv:0802.1443.- 2008 - 58 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 593 (2008) 203-231 External link: Fulltext
10.
New results on Pb - Au collisions at 40 AGeV from the CERES/NA45 experiment / NA45 Collaboration
In 1999 the CERES/NA45 ran at the CERN SPS with a beam energy of 40 GeV/nucleon. The data set comprises about 8.7 millions Pb-Au events with a trigger selection corresponding to approximately the most central 30% of the geometrical cross section. [...]
nucl-ex/0109017.- Berkeley, CA : Lawrence Berkeley Nat. Lab., 2002-04-05 - 5 p. - Published in : AIP Conf. Proc. 610 (2002) 556-560 Fulltext: PDF; External link: nucl-ex/0109017 PDF
In : International conference on nuclear physics, Berkeley, CA, USA, 30 Jul - 3 Aug 2001, pp.556-560

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