Vector mesons in-medium with finite three momentum - INSPIRE

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Vector mesons in-medium with finite three momentum

Su Houng Lee
(
- Yonsei U.
)

May, 1997

5 pages

Published in:

Phys.Rev.C 57 (1998) 927-930,
Phys.Rev.C 58 (1998) 3771 (erratum)

e-Print:

nucl-th/9705048 [nucl-th]

DOI:

Report number:

SNUTP-97-068

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Abstract: (arXiv)

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.

Note:

5 pages (Revtex) one figure

nuclear matter
vector meson: mass
spectral representation: density
momentum dependence
quantum chromodynamics: sum rule
nucleus nucleus: nuclear reaction
p nucleus: nuclear reaction
sulfur
lead
lepton: pair production

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