Physics – Nuclear Physics – Nuclear Theory
Scientific paper
1997-10-30
Nucl.Phys. A625 (1997) 832-854
Physics
Nuclear Physics
Nuclear Theory
29 pages, LaTeX, including 12 postscript figures, UGI-97-07, Nucl. Phys. A., in press
Scientific paper
10.1016/S0375-9474(97)00471-5
The $\omega$-, $\rho$- and $\phi$-resonance production and their dileptonic decay in $\pi^- A$ reactions at 1.1 - 1.7 GeV/c are calculated within the intranuclear cascade (INC) approach. The invariant mass distribution of the dilepton pair for each resonance can be decomposed in two components which correspond to their decay 'inside' the target nucleus and in the vacuum, respectively. The first components are strongly distorted by the nuclear medium due to resonance-nucleon scattering and a possible mass shift at finite baryon density. These medium modifications are compared to background sources in the dilepton spectrum from $\pi N$ bremsstrahlung as well as the Dalitz decays of $\omega$ and $\eta$ mesons produced in the reaction. Detailed predictions for $\pi^- Pb$ reactions at 1.3 and 1.7 GeV/c are made within several momentum bins for the lepton pair.
Cassing Wolfgang
Golubeva Ye. S.
Kondratyuk L. A.
No associations
LandOfFree
Medium effects in the production and decay of vector mesons in pion-nucleus reactions does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Medium effects in the production and decay of vector mesons in pion-nucleus reactions, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Medium effects in the production and decay of vector mesons in pion-nucleus reactions will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-639158