/sup 12,13/C(/rvec p/,. pi. /sup +-/) reactions and quasifree /rvec N/N. -->. NN. pi. expectations
The analyzing power behavior and the isospin-dependence of the cross sections for near-threshold /sup 13/C(/rvec p/,..pi../sup +-/) and /sup 12/C(/rvec p/,..pi../sup +/) reactions are compared with expectations from pion production measurements in free two-nucleon collisions. The general agreement for (/rvec p/,..pi../sup +/) suggests that the stable analyzing power pattern observed for (/rvec p/,..pi../sup /minus//) continuum transitions may reflect the as yet unmeasured free /rvec p/n ..-->.. pp..pi../sup /minus// behavior. We also discuss constraints imposed by quasifree /rvec N/N ..-->.. NN..pi.. expectations on the interpretation of anomalous (/rvec p/,..pi../sup +/) results for two strongly populated states at high excitation in /sup 13,14/C. 21 refs., 3 figs.
- Research Organization:
- Argonne National Lab., IL (USA)
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 6341832
- Report Number(s):
- ANL/PPRNT-89-149; ON: DE89008337
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
645103 -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Strong Interactions & Baryon & Meson Properties
651320* -- Nuclear Properties & Reactions
A=6-19
Experimental
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
BARYON REACTIONS
BARYON-BARYON INTERACTIONS
CARBON 12 TARGET
CARBON 13 TARGET
CHARGED-PARTICLE REACTIONS
CROSS SECTIONS
DATA
EXPERIMENTAL DATA
HADRON REACTIONS
HADRON-HADRON INTERACTIONS
INFORMATION
INTERACTIONS
ISOSPIN
NUCLEAR REACTIONS
NUCLEON REACTIONS
NUCLEON-NUCLEON INTERACTIONS
NUMERICAL DATA
PARTICLE INTERACTIONS
PARTICLE PROPERTIES
PROTON REACTIONS
TARGETS
651320* -- Nuclear Properties & Reactions
A=6-19
Experimental
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
BARYON REACTIONS
BARYON-BARYON INTERACTIONS
CARBON 12 TARGET
CARBON 13 TARGET
CHARGED-PARTICLE REACTIONS
CROSS SECTIONS
DATA
EXPERIMENTAL DATA
HADRON REACTIONS
HADRON-HADRON INTERACTIONS
INFORMATION
INTERACTIONS
ISOSPIN
NUCLEAR REACTIONS
NUCLEON REACTIONS
NUCLEON-NUCLEON INTERACTIONS
NUMERICAL DATA
PARTICLE INTERACTIONS
PARTICLE PROPERTIES
PROTON REACTIONS
TARGETS