Pseudoscalar meson photoproduction: From known to undiscovered resonances
- Service de Physique Nucleaire, Commissariat a lEnergie Atomique, Direction des Sciences de la Matiere, DAPNIA, Centre dEtudes de Saclay, F-91191 Gif-sur-Yvette (France)
- Department of Physics and Astronomy, University of Pittsburgh, Pittsburgh, Pennsylvania 15260 (United States)
The role of dynamics in spin observables for pseudoscalar meson photoproduction is investigated using a density matrix approach in a multipole truncated framework. Extraction of novel rules for {gamma}p{r_arrow}{pi}{sup +}n, K{sup +}{Lambda}, and {eta}p reactions based on resonance dominance, and on other broad and reasonable dynamical assumptions, are discussed. Observables that are particularly sensitive to missing nucleonic resonances predicted by quark-based approaches, are singled out. {copyright} {ital 1997} {ital The American Physical Society}
- OSTI ID:
- 450513
- Journal Information:
- Physical Review, C, Journal Name: Physical Review, C Journal Issue: 2 Vol. 55; ISSN PRVCAN; ISSN 0556-2813
- Country of Publication:
- United States
- Language:
- English
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