Analysis of double-scattering mechanisms in p-bard annihilation processes between 1. 09 and 1. 43 GeV/c
Journal Article
·
· Phys. Rev., D; (United States)
In a study of p-bard annihilation reactions between 1.09 and 1.43 GeV/c, it is found that the four- and six-prong samples with a visible slow proton exhibit features substantially different from those expected based on a simple impulse approximation. A phenomenological model, developed in the framework of Glauber's model, provides an excellent description of the data. In as much as 26.6% of the three- and four-prong and 21.7% of the five- and six-prong samples, pions from one of the annihilation reactions interact with the spectator nucleon via either elastic or charge-exchange scattering. This process is called the final-state interaction. For the initial-state interaction in which the incident antiproton undergoes elastic scattering prior to annihilation, the process accounts for 7.5% (9.1%) of the three- and four- (five- and six-) prong events.
- Research Organization:
- Department of Physics, Michigan State University, East Lansing, Michigan 48824
- OSTI ID:
- 6790118
- Journal Information:
- Phys. Rev., D; (United States), Journal Name: Phys. Rev., D; (United States) Vol. 23:7; ISSN PRVDA
- 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
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ANNIHILATION
ANTIPROTON-DEUTERON INTERACTIONS
BARYON-BARYON INTERACTIONS
BASIC INTERACTIONS
BOSONS
BOUND STATE
BREAKUP REACTIONS
BUBBLE CHAMBERS
CHARGE-EXCHANGE INTERACTIONS
ELASTIC SCATTERING
ELECTROMAGNETIC INTERACTIONS
ELEMENTARY PARTICLES
ENERGY RANGE
GAS TRACK DETECTORS
GEV RANGE
GEV RANGE 01-10
GLAUBER THEORY
HADRON-HADRON INTERACTIONS
HADRONS
IMPULSE APPROXIMATION
INTERACTIONS
MEASURING INSTRUMENTS
MESON-BARYON INTERACTIONS
MESON-NUCLEON INTERACTIONS
MESONS
NUCLEAR REACTIONS
NUCLEON-DEUTERON INTERACTIONS
NUCLEON-NUCLEON POTENTIAL
PARTICLE INTERACTIONS
PARTICLE PRODUCTION
PION-NUCLEON INTERACTIONS
PIONS
POTENTIALS
PSEUDOSCALAR MESONS
RADIATION DETECTORS
REID POTENTIAL
SCATTERING
STRONG INTERACTIONS
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ANNIHILATION
ANTIPROTON-DEUTERON INTERACTIONS
BARYON-BARYON INTERACTIONS
BASIC INTERACTIONS
BOSONS
BOUND STATE
BREAKUP REACTIONS
BUBBLE CHAMBERS
CHARGE-EXCHANGE INTERACTIONS
ELASTIC SCATTERING
ELECTROMAGNETIC INTERACTIONS
ELEMENTARY PARTICLES
ENERGY RANGE
GAS TRACK DETECTORS
GEV RANGE
GEV RANGE 01-10
GLAUBER THEORY
HADRON-HADRON INTERACTIONS
HADRONS
IMPULSE APPROXIMATION
INTERACTIONS
MEASURING INSTRUMENTS
MESON-BARYON INTERACTIONS
MESON-NUCLEON INTERACTIONS
MESONS
NUCLEAR REACTIONS
NUCLEON-DEUTERON INTERACTIONS
NUCLEON-NUCLEON POTENTIAL
PARTICLE INTERACTIONS
PARTICLE PRODUCTION
PION-NUCLEON INTERACTIONS
PIONS
POTENTIALS
PSEUDOSCALAR MESONS
RADIATION DETECTORS
REID POTENTIAL
SCATTERING
STRONG INTERACTIONS