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Comparison of high-transverse-momentum. pi. /sup 0/ production from. pi. /sup -/, K/sup -/, p, and p beams

Journal Article · · Phys. Rev. Lett.; (United States)
; ; ; ; ; ; ; ; ; ; ; ;
We compare high-transverse-momentum (P/sub perpendicular/) inclusive ..pi../sup 0/ production from ..pi../sup -/, K/sup -/, p, and p beams, at 100 and 200 GeV/c, for center-of-mass (c.m.) angles ranging from 2/sup 0/ to 115/sup 0/, and P/sub perpendicular/ < 4.5 GeV/c. The ratio sigma (pp ..-->.. ..pi../sup 0/X)/sigma (..pi..p ..-->.. ..pi../sup 0/X) decreases with increasing P/sub perpendicular/, and changes dramatically with c.m. angle. Also, the ratios sigma (K/sup -/p ..-->.. ..pi../sup 0/X)/sigma (..pi../sup -/p ..-->.. ..pi../sup 0/X) and sigma (pp ..-->.. ..pi../sup 0/X)/sigma (pp ..-->.. /sup 0/X) are approximately constant. The measurements are consistent with a theoretical viewpoint in which constituents of the incident hadrons undergo a hard-scattering subprocess.
Research Organization:
Brookhaven National Laboratory, Upton, New York 11973
OSTI ID:
7075247
Journal Information:
Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 40:14; ISSN PRLTA
Country of Publication:
United States
Language:
English

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Related Subjects

645103* -- High Energy Physics-- Particle Interactions &amp; Properties-Experimental-- Strong Interactions &amp; Baryon &amp; Meson Properties
645104 -- High Energy Physics-- Particle Interactions &amp; Properties-Experimental-- Strong Meson-Induced Interactions-- (-1987)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BARYON-BARYON INTERACTIONS
BOSONS
COMPOSITE MODELS
CROSS SECTIONS
ELEMENTARY PARTICLES
ENERGY RANGE
GEV RANGE
GEV RANGE 100-1000
HADRON-HADRON INTERACTIONS
HADRONS
INCLUSIVE INTERACTIONS
INTERACTIONS
KAON MINUS-PROTON INTERACTIONS
KAON-NUCLEON INTERACTIONS
KAON-PROTON INTERACTIONS
LINEAR MOMENTUM
MATHEMATICAL MODELS
MESON-BARYON INTERACTIONS
MESON-NUCLEON INTERACTIONS
MESONS
NUCLEON-ANTINUCLEON INTERACTIONS
NUCLEON-NUCLEON INTERACTIONS
PARTICLE INTERACTIONS
PARTICLE MODELS
PARTICLE PRODUCTION
PION MINUS-PROTON INTERACTIONS
PION-NUCLEON INTERACTIONS
PION-PROTON INTERACTIONS
PIONS
PIONS NEUTRAL
PROTON-ANTIPROTON INTERACTIONS
PROTON-NUCLEON INTERACTIONS
PROTON-PROTON INTERACTIONS
PSEUDOSCALAR MESONS
QUARK MODEL
TRANSVERSE MOMENTUM