Charged hadron composition of the final state in e+e/sup -/ annihilation up to 1. 9 GeV/c at E/sub cm/ = 29 GeV
Technical Report
·
OSTI ID:5500095
The momentum distributions of hadrons produced in e+e/sup -/ collisions at a center of mass energy of 29 GeV have been measured. The data used in this analysis were collected by the High Resolution Spectrometer (HRS) at the Positron Electron Project (PEP) in the Spring of 1982. The HRS is a general purpose particle detector consisting of a 16.2 kgauss solenoidal magnet, 17 layers of tracking chambers and multiple layers of lead-scintillator shower counters. The data consist of 8,200 hadronic events, corresponding to an integrated luminosity of 19.6 pbarn /sup -1/ at E/sub cm/ = 29 GeV. Using the barrel shower counters' time-of-flight (TOF) measurements, charged particles in the momentum range 0.5 - 1.9 GeV/c are separated statistically. Measurements of differential cross sections, d sigma /dp, scaled cross sections, S*(dsigma/dXp), and charged particle fractions are presented and compared with measurements made by the TASSO and the JADE groups.
- Research Organization:
- Purdue Univ., Lafayette, IN (USA)
- DOE Contract Number:
- AC02-76ER01428
- OSTI ID:
- 5500095
- Report Number(s):
- DOE/ER/01428-502; PU-83-505; ON: DE84004570
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
645101* -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Electromagnetic Interactions & Properties
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ANNIHILATION
BASIC INTERACTIONS
CROSS SECTIONS
DATA
DIFFERENTIAL CROSS SECTIONS
DRIFT CHAMBERS
ELECTROMAGNETIC INTERACTIONS
ELECTRON-POSITRON INTERACTIONS
ELEMENTARY PARTICLES
ENERGY RANGE
EXPERIMENTAL DATA
GEV RANGE
GEV RANGE 01-10
GEV RANGE 10-100
HADRONS
HYPOTHESIS
INFORMATION
INTERACTIONS
JET MODEL
LEPTON-LEPTON INTERACTIONS
LIMITING FRAGMENTATION
LINEAR MOMENTUM
MATHEMATICAL MODELS
MEASURING INSTRUMENTS
MULTIWIRE PROPORTIONAL CHAMBERS
NUMERICAL DATA
PARTICLE IDENTIFICATION
PARTICLE INTERACTIONS
PARTICLE MODELS
PARTICLE PRODUCTION
PEP STORAGE RINGS
POSTULATED PARTICLES
PROPORTIONAL COUNTERS
QUARKS
RADIATION DETECTORS
SHOWER COUNTERS
STORAGE RINGS
TIME-OF-FLIGHT METHOD
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ANNIHILATION
BASIC INTERACTIONS
CROSS SECTIONS
DATA
DIFFERENTIAL CROSS SECTIONS
DRIFT CHAMBERS
ELECTROMAGNETIC INTERACTIONS
ELECTRON-POSITRON INTERACTIONS
ELEMENTARY PARTICLES
ENERGY RANGE
EXPERIMENTAL DATA
GEV RANGE
GEV RANGE 01-10
GEV RANGE 10-100
HADRONS
HYPOTHESIS
INFORMATION
INTERACTIONS
JET MODEL
LEPTON-LEPTON INTERACTIONS
LIMITING FRAGMENTATION
LINEAR MOMENTUM
MATHEMATICAL MODELS
MEASURING INSTRUMENTS
MULTIWIRE PROPORTIONAL CHAMBERS
NUMERICAL DATA
PARTICLE IDENTIFICATION
PARTICLE INTERACTIONS
PARTICLE MODELS
PARTICLE PRODUCTION
PEP STORAGE RINGS
POSTULATED PARTICLES
PROPORTIONAL COUNTERS
QUARKS
RADIATION DETECTORS
SHOWER COUNTERS
STORAGE RINGS
TIME-OF-FLIGHT METHOD