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Backward resonance production in. pi. /sup -/p. -->. n. pi. /sup +/. pi. /sup -/ at 8 GeV/c

Journal Article · · Phys. Rev., D; (United States)
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We have studied backward meson and baryon production in ..pi../sup -/p ..-->.. n..pi../sup +/..pi../sup -/ at 8 GeV/c using a streamer chamber triggered by the detection of the interaction of theneutron in thick-plate optical spark chambers. Our data sample of 866 events is dominated by the quasi-two-body final states ..delta../sup -/(1232) ..pi../sup +/, nrho/sup 0/, and nf/sup 0/. We study the differential and total backward cross sections for these states and the decay angular distributions of the resonances. The results for the ..delta../sup -/ and rho/sup 0/ indicate that both nucleon and ..delta.. exchange inthe u channel are important in their production, while f/sup 0/ production is, as expected, consistent with nucleon exchange.
Research Organization:
University of Illinois at Urbana-Champaign, Urbana, Illinois 61801
OSTI ID:
6692741
Journal Information:
Phys. Rev., D; (United States), Journal Name: Phys. Rev., D; (United States) Vol. 18:5; ISSN PRVDA
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
ACCELERATORS
ANGULAR DISTRIBUTION
BACKSCATTERING
BARYON RESONANCES
BARYONS
BOSONS
CROSS SECTIONS
CYCLIC ACCELERATORS
DELTA-1236 RESONANCES
DIFFERENTIAL CROSS SECTIONS
DISTRIBUTION
ELEMENTARY PARTICLES
ENERGY RANGE
F-1260 RESONANCES
FERMIONS
GAS TRACK DETECTORS
GEV RANGE
GEV RANGE 01-10
HADRON-HADRON INTERACTIONS
HADRONS
INTERACTIONS
MEASURING INSTRUMENTS
MESON RESONANCES
MESON-BARYON INTERACTIONS
MESON-NUCLEON INTERACTIONS
MESONS
MULTIWIRE PROPORTIONAL CHAMBERS
N)RESONANCES
NEUTRONS
NUCLEONS
PARTICLE INTERACTIONS
PARTICLE PRODUCTION
PION MINUS-PROTON INTERACTIONS
PION-NUCLEON INTERACTIONS
PION-PROTON INTERACTIONS
PIONS
PIONS MINUS
PIONS PLUS
PROPORTIONAL COUNTERS
PSEUDOSCALAR MESONS
RADIATION DETECTORS
RESONANCE PARTICLES
RHO-765 RESONANCES
SCATTERING
SPARK CHAMBERS
SYNCHROTRONS
TENSOR MESONS
TOTAL CROSS SECTIONS
VECTOR MESONS
ZGS