Pion kaon correlations in Au+Au collisions at s(NN)**1/2 = 130-GeV - INSPIRE

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Pion kaon correlations in Au+Au collisions at s(NN)**1/2 = 130-GeV

STAR

Collaboration

Jul, 2003

6 pages

Published in:

Phys.Rev.Lett. 91 (2003) 262302

e-Print:

nucl-ex/0307025 [nucl-ex]

DOI:

10.1103/PhysRevLett.91.262302

Experiments:

BNL-RHIC-STAR

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Abstract:

Pion-kaon correlation functions are constructed from central Au+Au data taken at

\sqrt{s_{NN}} = 130

GeV. The results suggest that pions and kaons are not emitted at the same average space-time point. Space-momentum correlations, i.e. transverse flow, lead to a space-time emission asymmetry of pions and kaons that is consistent with the data. This result provides new independent evidence that the system created at RHIC undergoes a collective transverse expansion.

Note:

6 pages, 2 figures, 1 table, As published Phys. Rev. Lett Journal-ref: Phys.Rev.Lett. 91 (2003) 262302

nucleus nucleus: colliding beams
scattering: heavy ion
gold
hadron: multiple production
correlation function: (K pi)
model: nuclear reaction
quantum molecular dynamics: relativistic
parametrization
hadron: formation
collective phenomena

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