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Study of diffraction dissociation of. pi. /sup -/ mesons in nucleons and nuclei at 200 GeV/c

Journal Article · · Sov. J. Nucl. Phys. (Engl. Transl.); (United States)
OSTI ID:6572897
; ; ; ; ;
A comparative study is made of the diffraction dissociation of ..pi../sup -/ mesons in protons and nuclei at a primary momentum 200 GeV/c. For selection and study of the diffraction dissociation of ..pi../sup -/ mesons in protons we used the parametrically invariant quantity g/sup prime//sub 1/. It is shown that the contribution of coherent diffraction dissociation of ..pi../sup -/ mesons in heavy nuclei of nuclear emulsion is approximately three times greater than in light nuclei. The criterion of ..beta../sub 2/-azimuthal correlations was used to estimate the cross section for coherent diffraction dissociation (..pi../sup -/..--> pi../sup -/..pi../sup -/..pi../sup +/), which turned out to be sigma-bar/sup prime/ = 5.7 +- 1.47 mb.
Research Organization:
S. V. Starodubtsev Physico-technical Institute, Uzbek Academy of Sciences
OSTI ID:
6572897
Journal Information:
Sov. J. Nucl. Phys. (Engl. Transl.); (United States), Journal Name: Sov. J. Nucl. Phys. (Engl. Transl.); (United States) Vol. 35:4; ISSN SJNCA
Country of Publication:
United States
Language:
English

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Related Subjects

645104* -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Strong Meson-Induced Interactions-- (-1987)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BOSONS
CHARGED-PARTICLE REACTIONS
COHERENT PRODUCTION
DIFFRACTION MODELS
ELEMENTARY PARTICLES
ENERGY RANGE
GEV RANGE
GEV RANGE 100-1000
HADRON REACTIONS
HADRON-HADRON INTERACTIONS
HADRONS
INTERACTIONS
MATHEMATICAL MODELS
MESON REACTIONS
MESON-BARYON INTERACTIONS
MESON-NUCLEON INTERACTIONS
MESONS
NUCLEAR EMULSIONS
NUCLEAR REACTIONS
PARTICLE INTERACTIONS
PARTICLE MODELS
PARTICLE PRODUCTION
PION MINUS REACTIONS
PION MINUS-PROTON INTERACTIONS
PION REACTIONS
PION-NUCLEON INTERACTIONS
PION-PROTON INTERACTIONS
PIONS
PIONS MINUS
PIONS PLUS
PSEUDOSCALAR MESONS