BREMSSTRAHLUNG IN INTERMEDIATE-ENERGY NUCLEON REACTIONS WITHIN AN EFFECTIVE ONE-BOSON EXCHANGE MODEL

Citation
Vv. Shklyar et al., BREMSSTRAHLUNG IN INTERMEDIATE-ENERGY NUCLEON REACTIONS WITHIN AN EFFECTIVE ONE-BOSON EXCHANGE MODEL, Nuclear physics. A, 628(2), 1998, pp. 255-274
Citations number
55
Categorie Soggetti
Physics, Nuclear
Journal title
ISSN journal
03759474
Volume
628
Issue
2
Year of publication
1998
Pages
255 - 274
Database
ISI
SICI code
0375-9474(1998)628:2<255:BIINRW>2.0.ZU;2-2
Abstract
Within a covariant effective one-boson exchange model for the T matrix of NN interactions we present detailed calculations of bremsstrahlung cross sections for proton-proton and proton-neutron reactions at beam energies in the 1 GeV region. Besides pure bremsstrahlung processes w e consider photons from Delta decays and contributions from the eta -- > gamma gamma process, At beam energies above 700 MeV the Delta decay channel dominates the spectra at large photon energies, where the inte rference between non-resonance processes and the Delta decay channel b ecomes also important, Low energy photons stem from pure bremsstrahlun g processes, The available experimental data at 730 MeV beam energy is well described, We extrapolate the model down to 280 MeV, where more detailed experimental data exist, and find agreement with angular dist ributions. (C) 1998 Elsevier Science B.V.