Study of charmed particle production in hadronic collisions
Thesis/Dissertation
·
OSTI ID:6350053
Events in 200 GeV/c pion-Beryllium collisions, at Fermi National Accelerator Laboratory, which contain a muon and electron of opposite sign are considered. Such events cannot come from the decay of any known particle, and are attributed to the semileptonic decays of a pair of charmed mesons. A moderate acceptance muon trigger arm was implemented to key on the semileptonic decay of one of the charmed pair and the coincident electron was identified in a lead-liquid argon electromagnetic shower calorimeter. A total of 351 +/- 105 events were observed. Assuming the signal derives from charmed meson pairs, and using a central production model for their creation, the total charmed production cross section for pions incident on Beryllium at ..sqrt..s = 19.4 GeV is estimated to be 14 +/- 4 ..mu..b/nucleon.
- Research Organization:
- Northwestern Univ., Evanston, IL (USA)
- OSTI ID:
- 6350053
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
645102 -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Weak Interactions & Properties
645104* -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Strong Meson-Induced Interactions-- (-1987)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ACCELERATORS
ALKALINE EARTH METALS
BERYLLIUM
BOSONS
CHARGED-PARTICLE REACTIONS
CHARM PARTICLES
CROSS SECTIONS
CYCLIC ACCELERATORS
DATA
DECAY
ELECTRONS
ELEMENTARY PARTICLES
ELEMENTS
ENERGY RANGE
EXPERIMENTAL DATA
FERMILAB ACCELERATOR
FERMIONS
GEV RANGE
GEV RANGE 100-1000
HADRON REACTIONS
HADRONS
INFORMATION
INTERACTIONS
LEPTONS
MESON REACTIONS
MESONS
METALS
MUONS
NUCLEAR REACTIONS
NUMERICAL DATA
PAIR PRODUCTION
PARTICLE DECAY
PION REACTIONS
POSTULATED PARTICLES
SEMILEPTONIC DECAY
SYNCHROTRONS
WEAK PARTICLE DECAY
645104* -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Strong Meson-Induced Interactions-- (-1987)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ACCELERATORS
ALKALINE EARTH METALS
BERYLLIUM
BOSONS
CHARGED-PARTICLE REACTIONS
CHARM PARTICLES
CROSS SECTIONS
CYCLIC ACCELERATORS
DATA
DECAY
ELECTRONS
ELEMENTARY PARTICLES
ELEMENTS
ENERGY RANGE
EXPERIMENTAL DATA
FERMILAB ACCELERATOR
FERMIONS
GEV RANGE
GEV RANGE 100-1000
HADRON REACTIONS
HADRONS
INFORMATION
INTERACTIONS
LEPTONS
MESON REACTIONS
MESONS
METALS
MUONS
NUCLEAR REACTIONS
NUMERICAL DATA
PAIR PRODUCTION
PARTICLE DECAY
PION REACTIONS
POSTULATED PARTICLES
SEMILEPTONIC DECAY
SYNCHROTRONS
WEAK PARTICLE DECAY