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Method of Pade approximants and. pi. --meson photoproduction on nucleons

Journal Article · · Sov. J. Nucl. Phys. (Engl. Transl.); (United States)
OSTI ID:5513857
;
The multipole amplitudes of pion photoproduction on nucleons in s, p, and d states at energies from threshold to 500 MeV are found from the dispersion relations and the unitarity condition by means of Pade approximants. The contribution of rho- and ..omega..-meson exchange to the photoproduction amplitudes is taken into account. The results of the calculations are in satisfactory agreement with experiment.
Research Organization:
P. N. Lebedev physics Institute, USSR Academy of Sciences
OSTI ID:
5513857
Journal Information:
Sov. J. Nucl. Phys. (Engl. Transl.); (United States), Journal Name: Sov. J. Nucl. Phys. (Engl. Transl.); (United States) Vol. 40:6; ISSN SJNCA
Country of Publication:
United States
Language:
English

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Related Subjects

645202* -- High Energy Physics-- Particle Interactions & Properties-Theoretical-- Electromagnetic Interactions & Properties
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BASIC INTERACTIONS
BOSONS
DISPERSION RELATIONS
ELECTROMAGNETIC INTERACTIONS
ELEMENTARY PARTICLES
ENERGY RANGE
HADRONS
INTERACTIONS
MESONS
MEV RANGE
MULTIPOLES
PADE APPROXIMATION
PARTICLE INTERACTIONS
PARTICLE PRODUCTION
PHOTON-BARYON INTERACTIONS
PHOTON-HADRON INTERACTIONS
PHOTON-NUCLEON INTERACTIONS
PHOTOPRODUCTION
PIONS
PSEUDOSCALAR MESONS
UNITARITY