Particle dissociation on a composite target
Journal Article
·
· Phys. Rev., D; (United States)
We discuss the Drell-Hiida-Deck (DHD) mechanism for particle dissociation on a composite target. Working in an approximation scheme of the eikonal type (linearized propagators), terms describing interaction with more than one target nucleon are easily included. Several interesting features emerge. Due to cancellations, the only important diagrams are those describing dissociation before the target is encountered. Disregarding cancellations, internal production vanishes like the longitudinal momentum transfer. There is thus no intranuclear cascading at high rapidities. A careful analysis of the rescattering terms for the coherent process Nd ..-->.. (N..pi..) d reveals that the target is much more transparent than one would naively think (sigma/sub 2/ = sigma/sub N/N + sigma/sub piN/), though not as transparent as indicated by experiments. This suggests that the DHD mechanism is not the dominant mechanism for exclusive particle production on nuclei at high energies.
- Research Organization:
- Lyman Laboratory of Physics, Harvard University, Cambridge, Massachusetts 02138
- OSTI ID:
- 6150008
- Journal Information:
- Phys. Rev., D; (United States), Journal Name: Phys. Rev., D; (United States) Vol. 19:11; ISSN PRVDA
- Country of Publication:
- United States
- Language:
- English
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·
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Related Subjects
645207* -- High Energy Physics-- Particle Interactions & Properties-Theoretical-- Strong Interactions
Baryon No. Greater than 1-- (-1987)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BARYON-BARYON INTERACTIONS
BOSONS
COMPOSITE MODELS
CROSS SECTIONS
DISSOCIATION
EIKONAL APPROXIMATION
ELEMENTARY PARTICLES
EXCLUSIVE INTERACTIONS
HADRON-HADRON INTERACTIONS
HADRONS
INTERACTIONS
MATHEMATICAL MODELS
MESONS
NUCLEON-DEUTERON INTERACTIONS
PARTICLE INTERACTIONS
PARTICLE MODELS
PARTICLE PRODUCTION
PARTICLE PROPERTIES
PARTICLE RAPIDITY
PHASE SHIFT
PIONS
PROPAGATOR
PSEUDOSCALAR MESONS
QUARK MODEL
RESCATTERING
SCATTERING
Baryon No. Greater than 1-- (-1987)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BARYON-BARYON INTERACTIONS
BOSONS
COMPOSITE MODELS
CROSS SECTIONS
DISSOCIATION
EIKONAL APPROXIMATION
ELEMENTARY PARTICLES
EXCLUSIVE INTERACTIONS
HADRON-HADRON INTERACTIONS
HADRONS
INTERACTIONS
MATHEMATICAL MODELS
MESONS
NUCLEON-DEUTERON INTERACTIONS
PARTICLE INTERACTIONS
PARTICLE MODELS
PARTICLE PRODUCTION
PARTICLE PROPERTIES
PARTICLE RAPIDITY
PHASE SHIFT
PIONS
PROPAGATOR
PSEUDOSCALAR MESONS
QUARK MODEL
RESCATTERING
SCATTERING