Spin dependence of matter creation in hadron collisions

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

DOI:https://doi.org/10.1103/PhysRevD.42.934· OSTI ID:6607035

Svec, M ^[1]; de Lesquen, A; van Rossum, L ^[2]

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1. Department of Physics, Dawson College, Montreal, Quebec, Canada H4C2R8 (CA) McGill University, Montreal, Quebec (Canada)
2. Departement de Physique des Particules Elementaires, Centre d'Etudes Nucleaires, Saclay (France)

First measurements of pion production on polarized targets in reactions {pi}{sup +}{ital n}{sub {up arrow}}{r arrow}{pi}{sup +}{pi}{sup {minus}}{ital p} and {ital K}{sup +}{ital n}{sub {up arrow}}{r arrow}{ital K}{sup +}{pi}{sup {minus}}{ital p} at 6 and 12 GeV/{ital c} and in {pi}{sup {minus}}{ital p}{r arrow}{pi}{sup {minus}}{pi}{sup +}{ital n} at 17.2 GeV/{ital c} provide direct information on the momentum-transfer evolution of dimeson-mass dependence of moduli squared of production amplitudes for dimeson masses below 1000 MeV and {minus}{ital t}{approx lt}0.6 (GeV/{ital c}){sup 2}. We observe significant and complex dependence of pion production processes on nucleon spin and dimeson helicity, with unexpected structures near resonant masses.

• OSTI ID: 6607035
• Journal Information: Physical Review, D (Particles Fields); (USA), Journal Name: Physical Review, D (Particles Fields); (USA) Vol. 42:3; ISSN 0556-2821; ISSN PRVDA
• Country of Publication: United States
• Language: English

Related Subjects

645103* -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Strong Interactions & Baryon & Meson Properties
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ANGULAR DISTRIBUTION
ANGULAR MOMENTUM
BOSONS
DISTRIBUTION
ELEMENTARY PARTICLES
ENERGY RANGE
GEV RANGE
GEV RANGE 01-10
GEV RANGE 10-100
HADRON-HADRON INTERACTIONS
HADRONS
HELICITY
INTERACTIONS
KAON PLUS-NEUTRON INTERACTIONS
KAON-NEUTRON INTERACTIONS
KAON-NUCLEON INTERACTIONS
KAONS
KAONS PLUS
MASS
MESON-BARYON INTERACTIONS
MESON-NUCLEON INTERACTIONS
MESONS
MOMENTUM TRANSFER
P WAVES
PARTIAL WAVES
PARTICLE INTERACTIONS
PARTICLE PRODUCTION
PARTICLE PROPERTIES
PION MINUS-PROTON INTERACTIONS
PION PLUS-NEUTRON INTERACTIONS
PION-NEUTRON INTERACTIONS
PION-NUCLEON INTERACTIONS
PION-PROTON INTERACTIONS
PIONS
PIONS MINUS
PIONS PLUS
POLARIZED TARGETS
PSEUDOSCALAR MESONS
S WAVES
SPIN
STRANGE MESONS
STRANGE PARTICLES
TARGETS