Measurement of inclusive muon pair production by 225-GeV/c. pi. /sup +/,. pi. /sup -/, and proton beams with a large acceptance spectrometers. [Cross sections, 225 GeV/c, tables]

Technical Report · Sun May 01 04:00:00 EDT 1977

DOI:https://doi.org/10.2172/5259444· OSTI ID:5259444

Brason, J G

Inclusive muon pair production by 225 GeV/c ..pi../sup +/, ..pi../sup -/ and proton beams incident upon carbon and tin targets was measured over a large range of kinematic variables (2m/sub ..mu../ < m/sub ..mu mu.. < 1 GeV/c/sup 2/, 0 < x/sub F/ < 1, P/sub perpendicular to/ < 4 GeV/c and vertical bar cos theta* vertical bar < .3). The value of the invariant cross section E d/sup 4/sigma/dmdx/sub f/dp/sup 2//sub perpendicular to/ is presented as a function of these variables. The vector mesons rho, ..omega.., phi, J and psi' appear in the data along with apparently nonresonant ..mu..-pairs. By looking for additional muons accompanying J ..-->.. ..mu../sup +/..mu../sup -/ events, a 1.0% upper limit on production of pairs of charmed particles in association with the J is obtained. Aspects of the continuum muon pair data are compared to Drell-Yan model calculations. The ratio of ..mu..-pairs produced by ..pi../sup +/ beam particles to ..mu..-pairs produced by ..pi../sup -/ beam particles supports electromagnetic production at high mass.

• Research Organization: Princeton Univ., N.J. (USA). Elementary Particles Lab.
• Sponsoring Organization: USDOE
• DOE Contract Number: EY-76-C-02-3072
• OSTI ID: 5259444
• Report Number(s): COO-3072-81
• Country of Publication: United States
• Language: English

Related Subjects

645102* -- High Energy Physics-- Particle Interactions &amp; Properties-Experimental-- Weak Interactions &amp; Properties
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 REACTIONS
BASIC INTERACTIONS
BOSONS
CARBON
CHARGED-PARTICLE REACTIONS
CHARM PARTICLES
CROSS SECTIONS
DECAY
ELECTROMAGNETIC INTERACTIONS
ELEMENTARY PARTICLES
ELEMENTS
ENERGY RANGE
FERMIONS
GEV RANGE
GEV RANGE 100-1000
HADRON REACTIONS
HADRONS
INCLUSIVE INTERACTIONS
INFORMATION
INTERACTIONS
KINETICS
LEPTONIC DECAY
LEPTONS
LINEAR MOMENTUM
MESON REACTIONS
MESON RESONANCES
MESONS
METALS
MUON PAIRS
MUONS
NONMETALS
NUCLEAR REACTIONS
NUCLEON REACTIONS
OMEGA-784 RESONANCES
PAIR PRODUCTION
PARTICLE DECAY
PARTICLE INTERACTIONS
PARTICLE PRODUCTION
PHI-1019 RESONANCES
PION MINUS REACTIONS
PION PLUS REACTIONS
PION REACTIONS
POSTULATED PARTICLES
PROTON REACTIONS
PSI RESONANCES
RESONANCE PARTICLES
RHO-765 RESONANCES
TABLES
TIN
VECTOR MESONS
WEAK INTERACTIONS