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Elastic scattering of. gamma. rays by protons at energy. nu. < or =400 MeV

Journal Article · · Sov. J. Nucl. Phys. (Engl. Transl.); (United States)
OSTI ID:6732660
;
An analysis of elastic ..gamma..p scattering in the energy region ..nu..< or =400 MeV is carried out on the basis of new dispersion relations for fixed t. The theoretical predictions agreee with the experimental data over the entire energy range considered except energies near the ..delta.. (1236) resonance for an angle theta=90/sup 0/. It is shown that in extraction of the proton polarizability coefficients (alpha-bar and beta-bar) from the existing experimental data on ..gamma..p scattering it is important to take into account the contribution to the expansion of the cross section in ..nu.. of terms with ..nu../sup n/ (n> or =4). Inclusion of these terms leads to values of alpha-bar and beta-bar differing substantially from those found previously.
Research Organization:
P. N. Lebedev Physics Institute, USSR Academy of Sciences
OSTI ID:
6732660
Journal Information:
Sov. J. Nucl. Phys. (Engl. Transl.); (United States), Journal Name: Sov. J. Nucl. Phys. (Engl. Transl.); (United States) Vol. 25:5; ISSN SJNCA
Country of Publication:
United States
Language:
English

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Related Subjects

645101* -- High Energy Physics-- Particle Interactions &amp; Properties-Experimental-- Electromagnetic Interactions &amp; Properties
645202 -- High Energy Physics-- Particle Interactions &amp; Properties-Theoretical-- Electromagnetic Interactions &amp; Properties
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BASIC INTERACTIONS
COMPTON EFFECT
CROSS SECTIONS
DISPERSION RELATIONS
ELASTIC SCATTERING
ELECTRICAL PROPERTIES
ELECTROMAGNETIC INTERACTIONS
ENERGY RANGE
INTERACTIONS
MEV RANGE
MEV RANGE 10-100
MEV RANGE 100-1000
PARTICLE INTERACTIONS
PHOTON-BARYON INTERACTIONS
PHOTON-HADRON INTERACTIONS
PHOTON-NUCLEON INTERACTIONS
PHOTON-PROTON INTERACTIONS
PHYSICAL PROPERTIES
POLARIZABILITY
SCATTERING