Physics – Nuclear Physics – Nuclear Experiment
Scientific paper
2009-12-24
Phys.Lett.B688:289-293,2010
Physics
Nuclear Physics
Nuclear Experiment
5 pages, 3 figures
Scientific paper
10.1016/j.physletb.2010.04.028
Differential cross sections of the reaction gamma d to K+ Sigma- (p) have been measured with the CLAS detector at Jefferson Lab using incident photons with energies between 1.1 and 3.6 GeV. This is the first complete set of strangeness photoproduction data on the neutron covering a broad angular range. At energies close to threshold and up to E_gamma ~ 1.8 GeV, the shape of the angular distribution is suggestive of the presence of s-channel production mechanisms. For E_gamma > 1.8 GeV, a clear forward peak appears and becomes more prominent as the photon energy increases, suggesting contributions from t-channel production mechanisms. These data can be used to constrain future analysis of this reaction.
for the CLAS Collaboration
Mirazita Marco
Niculescu Gabriel
Niculescu I.
Pereira Anefalos S.
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