Exclusive Decuplet-Baryon Pair Production in Two-Photon Collisions
- SLAC
This work extends our previous studies of two-photon annihilation into baryon-antibaryon pairs from spin-1/2 octet to spin-3/2 decuplet baryons. Our approach is based on perturbative QCD and treats baryons as quarkdiquark systems. Using the same model parameters as in our previous work, supplemented by QCD sum-rule results for decuplet baryon wave functions, we are able to give absolute predictions for decuplet baryon cross sections without introducing new parameters. We find that the {Delta}{sup 2} cross section is of the same order of magnitude as the proton cross section, well within experimental bounds.
- Research Organization:
- Stanford Linear Accelerator Center (SLAC), Menlo Park, CA
- Sponsoring Organization:
- SC
- DOE Contract Number:
- AC02-76SF00515
- OSTI ID:
- 839626
- Report Number(s):
- SLAC-PUB-10852
- Country of Publication:
- United States
- Language:
- English
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