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Study of the forward production of charm states and prompt muons in 350 GeV p-Fe and 278 GeV. pi. /sup -/ -Fe interactions

Conference ·
OSTI ID:6877812
; ;
The forward production of charm states in 350 GeV p-Fe and 278 GeV ..pi../sup -/-Fe interactions has been studied via the production of prompt single muons with momentum P > 20 GeV/c. The data indicate equal production of single ..mu../sup +/ and ..mu../sup -/ in proton interactions, and a large asymmetry in pion interactions. The observed momentum distributions of the prompt single muons can be satisfactorily fit by the hypothesis that D mesons are produced with an invariant cross section proportional to (1-x)/sup n/, and do not favor large diffractive cross sections predicted by intrinsic charm models. The total cross sections and the x dependence of the forward production of charm states is extracted for D's and anti D's in proton and pion interactions.
Research Organization:
Rochester Univ., NY (USA); California Inst. of Tech., Pasadena (USA); Chicago Univ., IL (USA); Fermi National Accelerator Lab., Batavia, IL (USA); Stanford Univ., CA (USA)
DOE Contract Number:
AC02-76ER13065
OSTI ID:
6877812
Report Number(s):
DOE/ER/13065-335; CONF-8206117-1; UR-827; ON: DE82019276
Country of Publication:
United States
Language:
English

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Related Subjects

645101* -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Electromagnetic Interactions & Properties
645102 -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Weak Interactions & Properties
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ANTILEPTONS
ANTIMATTER
ANTIMESONS
ANTIPARTICLES
ASYMMETRY
BARYON REACTIONS
BOSONS
CHARGED-PARTICLE REACTIONS
CHARM PARTICLES
CHARMED MESON RESONANCES
CROSS SECTIONS
D RESONANCES
ELEMENTARY PARTICLES
ELEMENTS
ENERGY RANGE
FERMIONS
GEV RANGE
GEV RANGE 100-1000
HADRON REACTIONS
HADRONS
IRON
LEPTONS
MESON REACTIONS
MESON RESONANCES
MESONS
METALS
MUONS
MUONS MINUS
MUONS PLUS
NUCLEAR REACTIONS
NUCLEON REACTIONS
PARTICLE PRODUCTION
PION MINUS REACTIONS
PION REACTIONS
POSTULATED PARTICLES
PROTON REACTIONS
RESONANCE PARTICLES
TOTAL CROSS SECTIONS
TRANSITION ELEMENTS