Determination of the. pi. NN coupling constant from elastic pion-nucleon scattering data
Journal Article
·
· Physical Review Letters; (USA)
- Virginia Polytechnic Institute State University, Blacksburg, VA (USA). Department of Physics
We have analyzed the available pion-nucleon elastic scattering data with laboratory kinetic energy below 2 GeV and have extracted the charged-pion--nucleon coupling constant. The extracted value of {ital f}{sup 2}, using fixed-{ital t} dispersion relations, is found to be 0.0735{plus minus}0.0015, a value in conflict with the result of Koch and Pietarinen, yet consistent with the value of the {pi}{sup 0}{ital pp} coupling determined in the recent Nijmegen analysis of {ital pp} scattering data.
- DOE Contract Number:
- AS05-76ER04928
- OSTI ID:
- 6694429
- Journal Information:
- Physical Review Letters; (USA), Journal Name: Physical Review Letters; (USA) Vol. 65:2; ISSN PRLTA; ISSN 0031-9007
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
645204* -- High Energy Physics-- Particle Interactions & Properties-Theoretical-- Strong Interactions & Properties
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
AMPLITUDES
COUPLING CONSTANTS
DATA ANALYSIS
ELASTIC SCATTERING
ENERGY RANGE
GEV RANGE
GEV RANGE 01-10
HADRON-HADRON INTERACTIONS
INTERACTIONS
MESON-BARYON INTERACTIONS
MESON-NUCLEON INTERACTIONS
PARTICLE INTERACTIONS
PION-NUCLEON INTERACTIONS
SCATTERING
SCATTERING AMPLITUDES
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
AMPLITUDES
COUPLING CONSTANTS
DATA ANALYSIS
ELASTIC SCATTERING
ENERGY RANGE
GEV RANGE
GEV RANGE 01-10
HADRON-HADRON INTERACTIONS
INTERACTIONS
MESON-BARYON INTERACTIONS
MESON-NUCLEON INTERACTIONS
PARTICLE INTERACTIONS
PION-NUCLEON INTERACTIONS
SCATTERING
SCATTERING AMPLITUDES