DETERMINATION OF THE PION-NUCLEON COUPLING CONSTANT FROM PHOTOPRODUCTION ANGULAR DISTRIBUTION
It is conjectured that the amplitude for photoproduction of pi mesons from nucleons possesses certain reasonable analyticity properties as a function of the invariant momentum transfer. If the conjecture is correct it is possible to continue an angular distribution to a pole lying just outside the physical region. The residue at the pole can be evaluated and provides a determination of the pion-nucleon coupling constant. A preliminary determination gives f/sup 2/ = 0.0716 plus or minus 0.0302. (auth)
- Research Organization:
- California Univ., Berkeley, CA (US). Radiation Lab.
- DOE Contract Number:
- W-7405-ENG-48
- NSA Number:
- NSA-12-013345
- OSTI ID:
- 4298402
- Report Number(s):
- UCRL-8317
- Country of Publication:
- United States
- Language:
- English
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