Backward resonance production of pi minus plus proton goes to neutron pi plus pi minus at 8 GeV/c. [Production mechanisms]
A study of the interaction ..pi../sup -/p ..-->.. n..pi../sup +/..pi../sup -/ is reported where the neutron was produced fast and forward in the laboratory. The data were obtained using an 8 GeV/c ..pi../sup -/ beam that was focused on a liquid hydrogen target located inside the University of Illinois--Argonne National laboratory streamer chamber. The chamber was triggered on the interaction of a fast, forward neutral hadron in thick plate optical spark chambers. A total of 866 events had an acceptable 3-constraint fit to ..pi../sup -/p ..-->.. n..pi../sup +/..pi../sup -/ and satisfied other selection criteria. The data were characterized by backward production of the final states n rho/sup 0/, nf/sup 0/, and ..delta../sup -/(1232)..pi../sup +/. Differential cross sections and decay angular distributions for these resonant states are presented and the implications for the production mechanisms discussed. 20 references.
- Research Organization:
- Illinois Univ., Urbana (USA). Graduate Coll.
- DOE Contract Number:
- EY-76-C-02-1195
- OSTI ID:
- 6507024
- Report Number(s):
- COO-1195-415
- Country of Publication:
- United States
- Language:
- English
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Technical Report
·
Tue Dec 31 23:00:00 EST 1974
·
OSTI ID:7354594
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Technical Report
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Mon Dec 31 23:00:00 EST 1979
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Fri Sep 01 00:00:00 EDT 1978
· Phys. Rev., D; (United States)
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OSTI ID:6692741
Related Subjects
645104* -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Strong Meson-Induced Interactions-- (-1987)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ANGULAR DISTRIBUTION
BARYON RESONANCES
BARYONS
BOSONS
CROSS SECTIONS
DECAY
DELTA-1236 RESONANCES
DIFFERENTIAL CROSS SECTIONS
DISTRIBUTION
ELEMENTARY PARTICLES
F-1260 RESONANCES
FERMIONS
HADRON-HADRON INTERACTIONS
HADRONIC PARTICLE DECAY
HADRONS
INTERACTIONS
MESON RESONANCES
MESON-BARYON INTERACTIONS
MESON-NUCLEON INTERACTIONS
MESONS
N RESONANCES
NEUTRONS
NUCLEONS
PARTICLE DECAY
PARTICLE INTERACTIONS
PION MINUS-PROTON INTERACTIONS
PION-NUCLEON INTERACTIONS
PION-PROTON INTERACTIONS
PIONS
PIONS MINUS
PIONS PLUS
PRODUCTION MECHANISMS
PSEUDOSCALAR MESONS
RESONANCE PARTICLES
RHO-765 RESONANCES
TENSOR MESONS
VECTOR MESONS
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ANGULAR DISTRIBUTION
BARYON RESONANCES
BARYONS
BOSONS
CROSS SECTIONS
DECAY
DELTA-1236 RESONANCES
DIFFERENTIAL CROSS SECTIONS
DISTRIBUTION
ELEMENTARY PARTICLES
F-1260 RESONANCES
FERMIONS
HADRON-HADRON INTERACTIONS
HADRONIC PARTICLE DECAY
HADRONS
INTERACTIONS
MESON RESONANCES
MESON-BARYON INTERACTIONS
MESON-NUCLEON INTERACTIONS
MESONS
N RESONANCES
NEUTRONS
NUCLEONS
PARTICLE DECAY
PARTICLE INTERACTIONS
PION MINUS-PROTON INTERACTIONS
PION-NUCLEON INTERACTIONS
PION-PROTON INTERACTIONS
PIONS
PIONS MINUS
PIONS PLUS
PRODUCTION MECHANISMS
PSEUDOSCALAR MESONS
RESONANCE PARTICLES
RHO-765 RESONANCES
TENSOR MESONS
VECTOR MESONS