Vector mesons in medium with finite three momentum

Details Vector mesons in medium with finite three momentum Vector mesons in medium with finite three momentum

1997-05-28

arxiv.org/abs/nucl-th/9705048v1

Phys.Rev.C57:927-930,1998; Erratum-ibid.C58:3771,1998

Physics

Nuclear Physics

Nuclear Theory

5 pages (Revtex) one figure

Scientific paper

10.1103/PhysRevC.57.927

We formulate a QCD sum rule to find the three momentum dependence of the peak position of the vector meson spectral density in nuclear medium. We find less than 2 % (0.1 %) shift of the peak position at nuclear matter density and at ($q =0.5$GeV/c) for the $\rho,\omega (\phi$) mesons. However, at higher density and three momentum, its effect becomes non-negligible. The relevance of our result in the dilepton spectrum in A-A and p-A reaction is discussed.

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