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Role of in-medium hadrons in photon–nucleus reactions: shadowing and dilepton spectrum

Authors :
Sourav Sarkar
Pradip Roy
Jan-e Alam
Sanjay Ghosh
Source :
Journal of Physics G: Nuclear and Particle Physics. 30:1967-1990
Publication Year :
2004
Publisher :
IOP Publishing, 2004.

Abstract

We study the effect of in-medium hadronic properties in photon nucleus interactions in the context of shadowing as well as the dilepton spectrum for incident photon energies in the range 1.1- 3 GeV. A reasonable agreement with the experimental data for shadowing is obtained in a scenario of downward spectral shift of the hadrons. We show that distinguishable features for in-medium changes of the hadronic properties can be observed experimentally through the dilepton spectrum by judicious choice of target nuclei and incident energy of photons.<br />Comment: 20 pages,RevTex 16 eps files for figs

Details

ISSN :
13616471 and 09543899
Volume :
30
Database :
OpenAIRE
Journal :
Journal of Physics G: Nuclear and Particle Physics
Accession number :
edsair.doi.dedup.....544da95c763292cbd70f9c9e0260e480