Pd backward elastic scattering in the. delta. resonance region and the one-pion exchange form factor

Journal Article · Sun Apr 01 04:00:00 EST 1979 · Sov. J. Nucl. Phys. (Engl. Transl.); (United States)

OSTI ID:5752800

Kondratyuk, L A; Lev, F M; Shevchenko, L V

New data on nucleon-deuteron backward elastic scattering in the vicinity of the ..delta..-isobar production threshold are analyzed on the basis of a model proposed earlier )L. A. Kondratyuk and F. M. Lev, Yad. Fiz. 26, 294 (1977) (Sov. J. Nucl. Phys. 26, 153 (1977))). The NN..-->..N..delta.. amplitude in the rescattering term corresponding to the intermediate production of a ..delta.. isobar is calculated within the framework of a model that includes both pion and rho-meson exchange. The relativistic Hamiltonian formalism on the null plane is used for the one-nucleon exchange mechanism. It is shown that taking rho-meson exchange into account in the NN..-->..N..delta.. amplitude leads to a much lower sensitivity of the result to the pion-exchange form factor than does the model with one-pion exchange alone; moreover, it is unnecessary to introduce at the ..pi..N..delta.. vertex a form factor that falls off anomalously fast.

• Research Organization: Institute of Theoretical and Experimental Physics, State Commission on Use of Atomic Energy
• OSTI ID: 5752800
• Journal Information: Sov. J. Nucl. Phys. (Engl. Transl.); (United States), Journal Name: Sov. J. Nucl. Phys. (Engl. Transl.); (United States) Vol. 29:4; ISSN SJNCA
• Country of Publication: United States
• Language: English

Related Subjects

645207* -- High Energy Physics-- Particle Interactions & Properties-Theoretical-- Strong Interactions
Baryon No. Greater than 1-- (-1987)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BACKSCATTERING
BARYON RESONANCES
BARYON-BARYON INTERACTIONS
BARYONS
BOSON-EXCHANGE MODELS
DELTA-1236 RESONANCES
ELASTIC SCATTERING
ELEMENTARY PARTICLES
FERMIONS
FORM FACTORS
HADRON-HADRON INTERACTIONS
HADRONS
INTERACTIONS
MATHEMATICAL MODELS
N RESONANCES
NUCLEON-DEUTERON INTERACTIONS
OBE MODEL
OPE MODEL
PARTICLE INTERACTIONS
PARTICLE MODELS
PARTICLE PRODUCTION
PARTICLE PROPERTIES
PERIPHERAL MODELS
PROTON-DEUTERON INTERACTIONS
RESCATTERING
RESONANCE PARTICLES
SCATTERING