Photon and nucleon induced production of Theta+
Abstract
We investigate Theta+ production via photon and nucleon induced reactions. We observe that the positive parity Theta+ production provides about ten times larger total cross sections than those of the negative parity one in both photon and nucleon induced reactions due to P-wave enhancement of the K-N-Theta vertex. We also consider the model independent method in the nucleon induced reaction to determine the parity of Theta+ and show clearly distinguishable signals for the two parities.
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