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Full text not available from this repository.Abstract
Exclusive coherent and incoherent electroproduction of the rho(0) meson from H-1 and N-14 targets has been studied at the HERMES experiment as a function of coherence length (l(c)), corresponding to the lifetime of hadronic fluctuations of the virtual photon, and squared four-momentum of the virtual photon (-Q(2)). The ratio of N-14 to H-1 cross sections per nucleon, called nuclear transparency, was found to increase (decrease) with increasing l(c) for coherent (incoherent) rho(0) electroproduction. For fixed l(c), a rise of nuclear transparency with Q(2) is observed for both coherent and incoherent rho(0) production, which is in agreement with theoretical calculations of color transparency.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | COLOR-TRANSPARENCY; VECTOR-MESONS; COHERENCE LENGTH; WAVE-FUNCTION; SCATTERING; ELECTROPRODUCTION; LEPTOPRODUCTION; PHOTOPRODUCTION; PHOTON; QCD; |
| Subjects: | 500 Science > 530 Physics |
| Divisions: | Physics > Institute of Theroretical Physics > Chair Professor Schäfer > Group Andreas Schäfer |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 24 Aug 2021 12:07 |
| Last Modified: | 24 Aug 2021 12:07 |
| URI: | https://pred.uni-regensburg.de/id/eprint/39281 |
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