The measurement of main characteristics ofpions, kaons and protons in heavy ion collisions at 62.4 GeV

St. Petersburg Polytechnic University Journal: Physics and Mathematics Peter the Great St. Petersburg Polytechnic University

Since 2008

ISSN 2304-9782

ISSN 2618-8686

ISSN 2405-7223

Year: 2011 Issue: 3 (129)

16 180897

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UDK: 539.125.17; 539.126.17

Article type: Research Article

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The measurement of main characteristics ofpions, kaons and protons in heavy ion collisions at 62.4 GeV

Nuclear physics

Authors:

Berdnikov Yaroslav A. Ivanishchev Dmitry A. Kotov Dmitry O. Ryabov Victor G. Ryabov Yuri G. Samsonov Vladimir M.

Abstract:

π-, K-mesons and protons resulting spectra and nuclear modification factors measured in p+p, Cu+Cu and Au+Au collisions at √S[NN] = 62.4 GeV have been presented. Comparison with nuclear modification factors measured for π-mesons and protons in Cu+Cu and Au+Au collisions at √S[NN] = 62.4 GeV was carried out. The domination of jet-quenching effect over Cronin effect was shown to happen in the energy range between 22.4 and 62.4 GeV.