ENTROPY PRODUCTION AT HIGH ENERGY AND mu B.

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The systematics of bulk entropy production in experimental data on Ai-A, p + y and e{sup +}e{sup -} interactions at high energies and large {mu}{sub B} is discussed. It is proposed that scenarios with very early thermalization, such as Landau's hydrodynamical model, capture several essential features of the experimental results. It is also pointed out that the dynamics of systems which reach the hydrodynamic regime give similar multiplicities and angular distributions as those calculated in weak-coupling approximations (e.g. pQCD) over a wide range of beam energies. Finally, it is shown that the dynamics of baryon stopping are relevant to the ... continued below

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STEINBERG,P. July 3, 2006.

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The systematics of bulk entropy production in experimental data on Ai-A, p + y and e{sup +}e{sup -} interactions at high energies and large {mu}{sub B} is discussed. It is proposed that scenarios with very early thermalization, such as Landau's hydrodynamical model, capture several essential features of the experimental results. It is also pointed out that the dynamics of systems which reach the hydrodynamic regime give similar multiplicities and angular distributions as those calculated in weak-coupling approximations (e.g. pQCD) over a wide range of beam energies. Finally, it is shown that the dynamics of baryon stopping are relevant to the physics of total entropy production, explaining why A+A and e{sup +}e{sup -} multiplicities are different at low beam energies.

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  • CRITICAL POINT AND THE ONSET OF DECONFINEMENT WORKSHOP; FLORENCE, ITALY; 20060703 through 20060706

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  • Report No.: BNL--77657-2007-CP
  • Grant Number: DE-AC02-98CH10886
  • Office of Scientific & Technical Information Report Number: 909941
  • Archival Resource Key: ark:/67531/metadc889005

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  • July 3, 2006

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  • Sept. 22, 2016, 2:13 a.m.

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  • Nov. 1, 2016, 2:30 p.m.

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STEINBERG,P. ENTROPY PRODUCTION AT HIGH ENERGY AND mu B., article, July 3, 2006; United States. (digital.library.unt.edu/ark:/67531/metadc889005/: accessed January 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.