Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2008-05-02
J.Phys.G35:104141,2008
Physics
Nuclear Physics
Nuclear Theory
4 pages, 2 figures. To be published in the Proceedings of Quark Matter 2008, Jaipur, India
Scientific paper
10.1088/0954-3899/35/10/104141
Squeezed correlations of particle-antiparticle pairs, also called Back-to-Back Correlations, are predicted to appear if the hadron masses are modified in the hot and dense hadronic medium formed in high energy nucleus-nucleus collisions. Although well-established theoretically, the squeezed-particle correlations have not yet been searched for experimentally in high energy hadronic or heavy ion collisions, clearly requiring optimized forms to experimentally search for this effect. Within a non-relativistic treatment developed earlier we show that one promising way to search for the BBC signal is to look into the squeezed correlation function of pairs of phi-mesons at RHIC energies, plotted in terms of the average momentum of the pair, K12=(k1+k2)/2. This variable's modulus, 2|K12|, is the non-relativistic limit of the variable Q_bbc, introduced herewith. The squeezing effects on the HBT correlation function are also discussed.
Otavio Socolowski Jr.
Csorgo Tamas
Nagy M. I.
Padula Sandra S.
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