Multiparticle production in p -nucleus and nucleus-nucleus collisions

Journal Article · Sun Jul 01 04:00:00 EDT 1990 · Physical Review, D (Particles Fields); (USA)

DOI:https://doi.org/10.1103/PhysRevD.42.45· OSTI ID:6686570

Hoang, T F ^[1]; Crawford, H J ^[2]

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1. 1749 Oxford Street, Berkeley, California 94709 (USA)
2. Space Sciences Laboratory, Lawrence Berkeley Laboratory, Berkeley, CA (USA)

Kinematic properties of inclusive {ital p}+{ital A}{r arrow}{pi}{sup {minus}} and {ital A}{sub 1}+{ital A}{sub 2}{r arrow}{pi}{sup {minus}} at 200 GeV/nucleon are compared with {ital p}+{ital p}{r arrow}{pi}{sup {minus}} at 200 GeV/{ital c} using data of CERN SPS experiments. The partition temperature is found to be practically the same for all the reactions analyzed, suggesting an approximate scaling. The peak shift of pseudorapidity {eta} distributions of these nuclear reactions with respect to the peak of {ital pp}{r arrow}{pi}{sup {minus}} follows a geometrical law: {eta}{sup *}{congruent}({ital A}{sub 1}{sup 1/3}{minus}{ital A}{sub 2}{sup 1/3})/8, independent of energy. The mean free path {ital l} characteristic of the energy loss suffered by the projectile fireball passing through the nuclear target is {ital l}{congruent}6.21 fm. Semiempirical formulas for {l angle}{ital n}{sub {minus}}{r angle} of {ital p}+{ital A} and {ital A}{sub 1}+{ital A}{sub 2} reactions are proposed and tested using available data.

• DOE Contract Number: AC03-76SF00098
• OSTI ID: 6686570
• Journal Information: Physical Review, D (Particles Fields); (USA), Journal Name: Physical Review, D (Particles Fields); (USA) Vol. 42:1; ISSN PRVDA; ISSN 0556-2821
• Country of Publication: United States
• Language: English

Related Subjects

645103* -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Strong Interactions & Baryon & Meson Properties
645204 -- High Energy Physics-- Particle Interactions & Properties-Theoretical-- Strong Interactions & Properties
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BARYON REACTIONS
BARYON-BARYON INTERACTIONS
BOSONS
CHARGED-PARTICLE REACTIONS
ELEMENTARY PARTICLES
ENERGY RANGE
FIELD THEORIES
FIREBALL MODEL
GEV RANGE
GEV RANGE 100-1000
HADRON REACTIONS
HADRON-HADRON INTERACTIONS
HADRONS
HEAVY ION REACTIONS
INCLUSIVE INTERACTIONS
INTERACTIONS
MATHEMATICAL MODELS
MEAN FREE PATH
MESONS
MULTIPLE PRODUCTION
NUCLEAR REACTIONS
NUCLEON REACTIONS
NUCLEON-NUCLEON INTERACTIONS
OXYGEN 16 REACTIONS
PARTICLE INTERACTIONS
PARTICLE MODELS
PARTICLE PRODUCTION
PARTICLE PROPERTIES
PARTICLE RAPIDITY
PIONS
PIONS MINUS
PROTON REACTIONS
PROTON-NUCLEON INTERACTIONS
PROTON-PROTON INTERACTIONS
PSEUDOSCALAR MESONS
QUANTUM CHROMODYNAMICS
QUANTUM FIELD THEORY
TEV RANGE
TEV RANGE 01-10