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Measurement of. pi. /sup 0/ production at large transverse momentum in. pi. /sup -/p,. pi. /sup +/p, and pp collisions at 300 GeV/c

Journal Article · · Phys. Rev. D; (United States)
; ; ; ; ; ; ; ; ;
Cross sections for inclusive ..pi../sup 0/ production at large transverse momentum p/sub T/ were measured in ..pi../sup -/p, ..pi../sup +/p, and pp collisions at 300 GeV/c. The cross-section ratio sigma(..pi../sup -/p..--> pi../sup 0/X)/sigma(..pi../sup +/p..--> pi../sup 0/X) was found to be consistent with unity in the p/sub T/ region of 1 to 5 GeV/c. The cross-section ratio sigma(..pi../sup +/p..--> pi../sup 0/X)/sigma(pp..--> pi../sup 0/X) however is growing with increasing p/sub T/ and increasing ..pi../sup 0/ c.m.-system rapidity in agreement with parton-model expectations, where the partons in the pions have on average higher momenta than in the proton.
Research Organization:
Dipartimento di Fisica dell'Universita di Bari and Istituto Nazionale di Fisica Nucleare, Bari, Italy
OSTI ID:
5962484
Journal Information:
Phys. Rev. D; (United States), Journal Name: Phys. Rev. D; (United States) Vol. 36:1; 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
BARYON-BARYON INTERACTIONS
BOSONS
CHERENKOV COUNTERS
COMPOSITE MODELS
CROSS SECTIONS
ELEMENTARY PARTICLES
ELEMENTS
ENERGY RANGE
GEV RANGE
GEV RANGE 100-1000
HADRON-HADRON INTERACTIONS
HADRONS
HYDROGEN
INTERACTIONS
LINEAR MOMENTUM
MASS SPECTRA
MATHEMATICAL MODELS
MEASURING INSTRUMENTS
MESON-BARYON INTERACTIONS
MESON-NUCLEON INTERACTIONS
MESONS
MONTE CARLO METHOD
NONMETALS
NUCLEON-NUCLEON INTERACTIONS
PARTICLE INTERACTIONS
PARTICLE MODELS
PARTICLE PRODUCTION
PARTICLE PROPERTIES
PARTICLE RAPIDITY
PARTON MODEL
PION MINUS-PROTON INTERACTIONS
PION PLUS-PROTON INTERACTIONS
PION-NUCLEON INTERACTIONS
PION-PROTON INTERACTIONS
PIONS
PIONS NEUTRAL
PROTON-NUCLEON INTERACTIONS
PROTON-PROTON INTERACTIONS
PSEUDOSCALAR MESONS
RADIATION DETECTORS
SPECTRA
TRANSVERSE MOMENTUM