Recent proton-antiproton low-energy data and the Paris N N potential
Journal Article
·
· Physical Review Letters; (United States)
- Istituto Nazionale di Fisica Nucleare, Sezione di Torino, 10125 Torino (Italy) Division de Physique Theorique, Institut de Physique Nucleaire (91406 Orsay CEDEX) Laboratoire de Physique Theorique et Particules Elementaires, Universite Pierre et Marie Curie, 4 place Jussieu, 75252 Paris CEDEX 05 (France)
We have readjusted the {ital short}-range part of the Paris nucleon-antinucleon potential taking into account the new {ital p{bar p}} data, in particular those from the CERN Low-Energy Antiproton Ring. Discrepancies between results of our earlier version and experimental data on charge-exchange cross sections are removed. Moreover, a significant improvement of the fit to cross sections and especially polarization in elastic scattering is obtained. Our analysis shows that the low-energy {ital p{bar p}} data and the short-range {ital N{bar N}} interaction are strongly dependent on each other.
- OSTI ID:
- 5128724
- Journal Information:
- Physical Review Letters; (United States), Journal Name: Physical Review Letters; (United States) Vol. 67:18; 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
653001* -- Nuclear Theory-- Nuclear Structure
Moments
Spin
& Models
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
BARYON-BARYON INTERACTIONS
CHARGE EXCHANGE
CROSS SECTIONS
DATA ANALYSIS
DEPOLARIZATION
DIFFERENTIAL CROSS SECTIONS
ELASTIC SCATTERING
HADRON-HADRON INTERACTIONS
INTERACTIONS
NUCLEON-ANTINUCLEON INTERACTIONS
PARTICLE INTERACTIONS
POLARIZATION
POTENTIALS
SCATTERING
653001* -- Nuclear Theory-- Nuclear Structure
Moments
Spin
& Models
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
BARYON-BARYON INTERACTIONS
CHARGE EXCHANGE
CROSS SECTIONS
DATA ANALYSIS
DEPOLARIZATION
DIFFERENTIAL CROSS SECTIONS
ELASTIC SCATTERING
HADRON-HADRON INTERACTIONS
INTERACTIONS
NUCLEON-ANTINUCLEON INTERACTIONS
PARTICLE INTERACTIONS
POLARIZATION
POTENTIALS
SCATTERING