Anomalous behavior of singly charged relativistic secondary particles produced in collisions of /sup 16/O ions with emulsion nuclei at --2A-italic GeV
Journal Article
·
· Phys. Rev. C; (United States)
Reaction mean free paths in emulsions, of the secondary particles from /sup 16/O collisions, show normal behavior for the particles produced with P-italic sint-italich-italice-italict-italica-italic<200 MeV/c-italic (t-italich-italice-italict-italica-italic is the lab emission angle and P-italic the incident momentum per nucleon). For 200< or =P-italic sint-italich-italice-italict-italica-italic<400 MeV/c-italic, the particles exhibit shorter mean free paths for the first few cm from their origin than at larger distances. Conventional explanations of this result are rejected at 99.5% confidence level. The data are consistent with the presence of an --6% anomalous component with a mean free path of 1.8 cm. Primary deuteron mean free path at 2.1A-italic GeV, measured for comparison, is 20.7 +- 2.6 cm.
- Research Organization:
- Division of Physics, National Research Council of Canada, Ottawa, Canada K1A 0R6
- OSTI ID:
- 5134216
- Journal Information:
- Phys. Rev. C; (United States), Journal Name: Phys. Rev. C; (United States) Vol. 34:3; ISSN PRVCA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
651725* -- Nuclear Properties & Reactions
A=90-149
Experimental-- Nuclear Reactions & Scattering-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ANGULAR DISTRIBUTION
BARYONS
BOSONS
CHARGED PARTICLES
CHARGED-PARTICLE REACTIONS
CROSS SECTIONS
DEUTERONS
DISTRIBUTION
ELEMENTARY PARTICLES
ELEMENTS
ENERGY RANGE
FERMIONS
FRAGMENTATION
GEV RANGE
GEV RANGE 10-100
HADRONS
HEAVY ION REACTIONS
LINEAR MOMENTUM
MEAN FREE PATH
MECHANICS
MESONS
METALS
NUCLEAR EMULSIONS
NUCLEAR REACTIONS
NUCLEONS
OXYGEN 16 REACTIONS
PIONS
PROBABILITY
PROTONS
PSEUDOSCALAR MESONS
SILVER
STATISTICAL MECHANICS
TRANSITION ELEMENTS
TRANSVERSE MOMENTUM
TRITONS
A=90-149
Experimental-- Nuclear Reactions & Scattering-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ANGULAR DISTRIBUTION
BARYONS
BOSONS
CHARGED PARTICLES
CHARGED-PARTICLE REACTIONS
CROSS SECTIONS
DEUTERONS
DISTRIBUTION
ELEMENTARY PARTICLES
ELEMENTS
ENERGY RANGE
FERMIONS
FRAGMENTATION
GEV RANGE
GEV RANGE 10-100
HADRONS
HEAVY ION REACTIONS
LINEAR MOMENTUM
MEAN FREE PATH
MECHANICS
MESONS
METALS
NUCLEAR EMULSIONS
NUCLEAR REACTIONS
NUCLEONS
OXYGEN 16 REACTIONS
PIONS
PROBABILITY
PROTONS
PSEUDOSCALAR MESONS
SILVER
STATISTICAL MECHANICS
TRANSITION ELEMENTS
TRANSVERSE MOMENTUM
TRITONS