Directed and elliptic flow of charged pions and protons in Pb + Pb collisions at 40 and 158 A GeV

Directed and elliptic flow measurements for charged pions and protons are reported as a function of transverse momentum, rapidity, and centrality for 40 and 158A GeV Pb + Pb collisions as recorded by the NA49 detector. B
Directed and elliptic flow measurements for charged pions and protons are reported as a function of transverse momentum, rapidity, and centrality for 40 and 158A GeV Pb + Pb collisions as recorded by the NA49 detector. Both the standard method of correlating particles with an event plane, and the cumulant method of studying multiparticle correlations are used. In the standard method the directed flow is corrected for conservation of momentum. In the cumulant method elliptic flow is reconstructed from genuine 4, 6, and 8-particle correlations, showing the first unequivocal evidence for collective motion in A+A collisions at SPS energies.
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Metadaten
Author:Christopher Alt, NA49 Collaboration
URN:urn:nbn:de:hebis:30-16458
Document Type:Preprint
Language:English
Date of Publication (online):2005/09/27
Year of first Publication:2003
Publishing Institution:Univ.-Bibliothek Frankfurt am Main
Release Date:2005/09/27
Source:Phys.Rev. C68 (2003), http://arxiv.org/abs/nucl-ex/0303001
HeBIS PPN:188895604
Institutes:Physik
Dewey Decimal Classification:530 Physik
Sammlungen:Universitätspublikationen
Licence (German):License Logo Veröffentlichungsvertrag für Publikationen

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