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Abstract: In-medium effects of transverse-mass distributions of quarks and gluons areconsidered assuming a possible local equilibrium for colorless quark objectslike mesons and baryons created in central A+A collisions. It is shown that theaverage square of the transverse momentum for these partons grows and thensaturates when the initial energy increases. Within the quark-gluon stringmodel it leads to the energy dependence of hadron transverse mass spectra whichis similar to that observed in heavy ion collisions. Comparison with otherscenarios is given.



Autor: G.I.Lykasov, A.N.Sissakian, A.S.Sorin, V.D.Toneev

Fuente: https://arxiv.org/



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