Matter induced $ρ$-$δ$ mixing : a source of dileptons

Details Matter induced $ρ$-$δ$ mixing : a source of dileptons Matter induced $ρ$-$δ$ mixing : a source of dileptons

2000-02-08

arxiv.org/abs/nucl-th/0002023v1

Phys.Rev.C61:051901,2000

Physics

Nuclear Physics

Nuclear Theory

6 pages, 5 figures

Scientific paper

10.1103/PhysRevC.61.051901

We study the possibility of $\rho-\delta$ mixing via N-N excitations in dense nuclear matter. This mixing induces a peak in the dilepton spectra at an invariant mass equal to that of the $\delta$. We calculate the cross section for dilepton production through the mixing process and we compare its size with that of $\pi-\pi$ annihilation. In-medium masses and mixing angles are also calculated.

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