Nuclear transparencies from photoinduced pion production

Details Nuclear transparencies from photoinduced pion production Nuclear transparencies from photoinduced pion production

2007-01-11

arxiv.org/abs/nucl-th/0701029v1

Phys.Rev.C74:062201,2006

Physics

Nuclear Physics

Nuclear Theory

5 pages, 3 figures

Scientific paper

10.1103/PhysRevC.74.062201

We present a relativistic and cross-section factorized framework for computing nuclear transparencies extracted from A(\gamma,\pi N) reactions at intermediate energies. The proposed quantummechanical model adopts a relativistic extension to the multiple-scattering Glauber approximation to account for the final state interactions of the ejected nucleon and pion. The theoretical predictions are compared against the experimental ^4He(\gamma,p \pi^-) data from Jefferson Lab. For those data, our results show no conclusive evidence for the onset of mechanisms related to color transparency.

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