Backward $pi$$sup -$p reactions between 0.6 and 1.0 GeV/c
Journal Article
·
· Phys. Rev., D, v. 12, no. 9, pp. 2545-2556
OSTI ID:4080990
Measurements are reported of the differential cross section for the reaction $pi$$sup -$p $Yields$ $pi$$sup -$p, $pi$$sup 0$n, and etan at three angles close to 180$sup 0$ and for incident momenta in the range 0.6 to 1.0 GeV/c. The three measurements were made simultaneously at 1% intervals of beam momentum. The data on elastic scattering resolve a discrepancy between two earlier experiments. They also show clearly the effect of the opening of the etan channel. The charge-exchange data show that I-spin bounds are not violated in the kinematic region covered. The etan data can be adequately described with known s-channel resonances. No evidence for narrow N*'s is seen in any channel. (AIP)
- Research Organization:
- Department of Physics, Imperial College, London, England
- NSA Number:
- NSA-33-021338
- OSTI ID:
- 4080990
- Journal Information:
- Phys. Rev., D, v. 12, no. 9, pp. 2545-2556, Journal Name: Phys. Rev., D, v. 12, no. 9, pp. 2545-2556; ISSN PRVDA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
*PION-PROTON INTERACTIONS-- DIFFERENTIAL CROSS SECTIONS
641004*
CHARGE-EXCHANGE INTERACTIONS-- ISOSPIN-- NEUTRONS-- PIONS NEUTRAL
ETA MESONS-- NEUTRONS-- S CHANNEL
LINEAR MOMENTUM
MEV RANGE 100-1000
N*RESONANCES
N64140* --Physics (High Energy)--Particle Interactions & Properties (Experimental)--Strong (Meson-induced)
PHASE SHIFT
PIONS MINUS
PLASTIC SCINTILLATION DETECTORS
REACTION KINETICS
TIME-OF-FLIGHT METHOD ELASTIC SCATTERING
641004*
CHARGE-EXCHANGE INTERACTIONS-- ISOSPIN-- NEUTRONS-- PIONS NEUTRAL
ETA MESONS-- NEUTRONS-- S CHANNEL
LINEAR MOMENTUM
MEV RANGE 100-1000
N*RESONANCES
N64140* --Physics (High Energy)--Particle Interactions & Properties (Experimental)--Strong (Meson-induced)
PHASE SHIFT
PIONS MINUS
PLASTIC SCINTILLATION DETECTORS
REACTION KINETICS
TIME-OF-FLIGHT METHOD ELASTIC SCATTERING