Particle Correlations In Fixed Target Pb Pb Collisions At 158 Gev C Per Nucleon
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Author | : Hanspeter Naef |
Publisher | : |
Total Pages | : 202 |
Release | : 1997 |
Genre | : |
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Download Particle Correlations in Fixed Target Pb+Pb Collisions at 158 GeV/c Per Nucleon Book in PDF, Epub and Kindle
L'originalité de WA98 vient de sa grande variété de signaux mesurés; une étude sur leurs corrélations est également présentées.
Author | : Dariusz Antończyk |
Publisher | : |
Total Pages | : 171 |
Release | : 2006 |
Genre | : |
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Download Detailed Analysis of Two Particle Correlations in Central Pb-Au Collisions at 158 GeV Per Nucleon Book in PDF, Epub and Kindle
Author | : Isaac Huang |
Publisher | : |
Total Pages | : 420 |
Release | : 1997 |
Genre | : |
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Download Global and Collective Phenomena in Pb+Pb Collisions at Projectile Energy of 158 GeV/nucleon Book in PDF, Epub and Kindle
Author | : Thongbay Vongpaseuth |
Publisher | : |
Total Pages | : 392 |
Release | : 1999 |
Genre | : Gold ions |
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Download Two Particle Correlations in Au + Au Collisions at 11.5 GeV/c Per Nucleon Book in PDF, Epub and Kindle
Author | : |
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Total Pages | : |
Release | : 2002 |
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Download Two-Particle Correlations at 40, 80, and 158 AGeV Pb-Au Collisions Book in PDF, Epub and Kindle
In this thesis, a centrality dependent study of tow-particle momentum correlations of like-sign pions (HBT interferometry) from Pb-Au collisions at beam energies of 40, 80 and 158 AGeV is presented. The three-dimensional correlation function C_2, depending on the relative momentum components of the particle pair, was parameterized using a three-dimensional Gaussian, modified to consider the final state Coulomb repulsion. The parameterization was done in the Cartesian out-side-long system as proposed by G. Bertsch and S. Pratt. A differential analysis of the HBT radius parameters as a function of the mean transverse pair momentum k_perp allowed to determine transverse geometrical source sizes of about 5.5 fm to 7 fm, increasing with energy and centrality. The mean transverse flow velocity v_perp was found to be of the order 0.5--0.6 c. For the freeze-out time tau_f values between 6 and 8 fm/c were obtained with a duration of particle emission compatible with zero. The beam energy dependence of the HBT radii provide evidence for a universal pion freeze-out condition. The analyzed data have been recorded with the CERES spectrometer at the Super Proton Synchrotron (SPS) accelerator at CERN.
Author | : Jason Warren Dunn |
Publisher | : |
Total Pages | : 440 |
Release | : 1997 |
Genre | : |
ISBN | : |
Download Identified Particle Spectra from DE/dx Ionization Measurements in Pb + Pb Collisions at 158 A. GeV/c Book in PDF, Epub and Kindle
Author | : Heinz Tilsner |
Publisher | : |
Total Pages | : 119 |
Release | : 2002 |
Genre | : |
ISBN | : |
Download Two-particle Correlations at 40, 80, and 158 AGeV Pb-Au Collisions Book in PDF, Epub and Kindle
Author | : |
Publisher | : |
Total Pages | : 17 |
Release | : 2015 |
Genre | : |
ISBN | : |
Download Evidence for Collective Multiparticle Correlations in P-Pb Collisions Book in PDF, Epub and Kindle
The second-order azimuthal anisotropy Fourier harmonics, v2, are obtained in p-Pb and PbPb collisions over a wide pseudorapidity ([eta]) range based on correlations among six or more charged particles. The p-Pb data, corresponding to an integrated luminosity of 35 nb-1, were collected during the 2013 LHC p-Pb run at a nucleon-nucleon center-of-mass energy of 5.02 TeV by the CMS experiment. A sample of semiperipheral PbPb collision data at √sNN=2.76 TeV, corresponding to an integrated luminosity of 2.5 [mu]b-1 and covering a similar range of particle multiplicities as the p-Pb data, is also analyzed for comparison. The six- and eight-particle cumulant and the Lee-Yang zeros methods are used to extract the v2 coefficients, extending previous studies of two- and four-particle correlations. For both the p-Pb and PbPb systems, the v2 values obtained with correlations among more than four particles are consistent with previously published four-particle results. These data support the interpretation of a collective origin for the previously observed long-range (large [Delta][eta]) correlations in both systems. The ratios of v2 values corresponding to correlations including different numbers of particles are compared to theoretical predictions that assume a hydrodynamic behavior of a p-Pb system dominated by fluctuations in the positions of participant nucleons. These results provide new insights into the multiparticle dynamics of collision systems with a very small overlapping region.
Author | : Glenn Elliot Cooper |
Publisher | : |
Total Pages | : 356 |
Release | : 2000 |
Genre | : |
ISBN | : |
Download Baryon Stopping and Hadronic Spectra in Pb-Pb Collisons at 158 GeV/nucleon Book in PDF, Epub and Kindle
Author | : Franziskus Stoffel |
Publisher | : |
Total Pages | : 110 |
Release | : 1997 |
Genre | : |
ISBN | : |
Download Particle Production Studies in Pb [and] Pb Collisions at 158 A GeV/c Book in PDF, Epub and Kindle