Is there elliptic flow without transverse flow?

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Azimuthal anisotropy of final particle distributions was originally introduced as a signature of transverse collective flow. We show that finite anisotropy in momentum space can result solely from the shape of the particle emitting source. However, by comparing the differential anisotropy to recent data from STAR collaboration we can exclude such a scenario, but instead show that the data favour strong flow as resulting from a hydrodynamical evolution.

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Huovinen, Pasi; Kolb, Peter F. & Heinz, Ulrich April 3, 2001.

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Description

Azimuthal anisotropy of final particle distributions was originally introduced as a signature of transverse collective flow. We show that finite anisotropy in momentum space can result solely from the shape of the particle emitting source. However, by comparing the differential anisotropy to recent data from STAR collaboration we can exclude such a scenario, but instead show that the data favour strong flow as resulting from a hydrodynamical evolution.

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vp.

Notes

INIS; OSTI as DE00780595

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  • The Fifteenth International Conference on Ultra-Relativistic Nucleus-Nucleus Collisions (Quark Matter 2001), Stony Brook, NY (US), 01/15/2001--01/20/2001

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  • Report No.: LBNL--47683
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 780595
  • Archival Resource Key: ark:/67531/metadc719386

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  • April 3, 2001

Added to The UNT Digital Library

  • Sept. 29, 2015, 5:31 a.m.

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  • Sept. 1, 2016, 7 p.m.

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Huovinen, Pasi; Kolb, Peter F. & Heinz, Ulrich. Is there elliptic flow without transverse flow?, article, April 3, 2001; California. (digital.library.unt.edu/ark:/67531/metadc719386/: accessed August 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.