Study of muons associated with jets in proton-antiproton collisions at /radical/s = 1. 8 TeV
Technical Report
·
OSTI ID:5811705
Production of heavy quark flavors in proton-antiproton collisions with a center-of-mass energy of 1.8 /times/ 10/sup 12/ electron volts is studied for events containing hadronic jets with a nearby muon track, where both the jet and the muon are produced at large angles from the incident beams. The muon tracking system and pattern recognition are described. Detailed calculations of the muon background due to meson decay and hadron noninteractive punchthrough are presented, and other background sources are evaluated. Distributions of muon transverse momentum relative to the beam and to the jet axis agree with QCD expectations of semileptonic charm and beauty decay. Muon identification cuts and background subtraction leave 57.5 /plus minus/ 17.1 muon-jet pairs, a rate consistent with the established production cross sections for charm and beauty quarks and the acceptance for minimum ionizing particles overlapping with nearby jets. A small dimuon sample clarifies the muon signature. No signatures of undiscovered phenomena are observed in this new energy domain. 39 refs., 51 figs., 12 tabs.
- Research Organization:
- Illinois Univ., Urbana, IL (USA). Dept. of Physics
- DOE Contract Number:
- AC02-76ER01195
- OSTI ID:
- 5811705
- Report Number(s):
- DOE/ER/01195-T12; UIUC-HEPG-89-4; ON: DE89017448
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
645100* -- High Energy Physics-- Particle Interactions & Properties-Experimental
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ACCELERATORS
BARYON-BARYON INTERACTIONS
BEAUTY PARTICLES
CDF
CHARM PARTICLES
CROSS SECTIONS
CYCLIC ACCELERATORS
ELEMENTARY PARTICLES
FERMILAB TEVATRON
FERMIONS
HADRON-HADRON INTERACTIONS
INTERACTIONS
JET MODEL
LEPTONS
LINEAR MOMENTUM
MATHEMATICAL MODELS
MUONS
NUCLEON-ANTINUCLEON INTERACTIONS
PARTICLE IDENTIFICATION
PARTICLE INTERACTIONS
PARTICLE MODELS
POSTULATED PARTICLES
PROTON-ANTIPROTON INTERACTIONS
QUARKS
SYNCHROTRONS
TRANSVERSE MOMENTUM
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ACCELERATORS
BARYON-BARYON INTERACTIONS
BEAUTY PARTICLES
CDF
CHARM PARTICLES
CROSS SECTIONS
CYCLIC ACCELERATORS
ELEMENTARY PARTICLES
FERMILAB TEVATRON
FERMIONS
HADRON-HADRON INTERACTIONS
INTERACTIONS
JET MODEL
LEPTONS
LINEAR MOMENTUM
MATHEMATICAL MODELS
MUONS
NUCLEON-ANTINUCLEON INTERACTIONS
PARTICLE IDENTIFICATION
PARTICLE INTERACTIONS
PARTICLE MODELS
POSTULATED PARTICLES
PROTON-ANTIPROTON INTERACTIONS
QUARKS
SYNCHROTRONS
TRANSVERSE MOMENTUM