Photon and nucleon induced production of Theta^+

Details Photon and nucleon induced production of Theta^+ Photon and nucleon induced production of Theta^+

2004-11-28

arxiv.org/abs/nucl-th/0411111v1

Physics

Nuclear Physics

Nuclear Theory

4 pages, 8 figures, Talk given at International Workshop on PENTAQUARK04, Spring-8, Hyogo, Japan, 20-23 Jul 2004

Scientific paper

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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