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Properties of the. omega. p resonance at 1. 8 GeV observed in p polarized p. -->. p. omega. p at 11. 75 GeV/c

Conference ·
OSTI ID:6596255
; ; ; ; ; ;
Preliminary results from a sample of approx. 20,000 events of the reaction pp..-->..p..omega..p obtained using the ZGS 11.75-GeV/c polarized proton beam and the Effective Mass Spectrometer are presented. An enhancement in the ..omega..p mass distribution with mass 1.810 +- 0.025 GeV and width 0.140 +- 0.040 GeV is observed. The t distribution of this enhancement shows a pronounced dip near -t = 0.2 GeV/sup 2/; this dip suggests that the production mechanism is mostly ..omega..-exchange. The decay angular distributions are consistent with a spin-parity of 2/sup 3 -/. 4 figures.
Research Organization:
Argonne National Lab., IL (USA)
DOE Contract Number:
W-31109-ENG-38
OSTI ID:
6596255
Report Number(s):
ANL-HEP-CP-80-33; CONF-800724-66
Country of Publication:
United States
Language:
English

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Related Subjects

645103* -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Strong Interactions & Baryon & Meson Properties
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ANGULAR MOMENTUM
BARYON-BARYON INTERACTIONS
BEAMS
BOSONS
CHERENKOV COUNTERS
DATA
ELEMENTARY PARTICLES
ENERGY RANGE
EXPERIMENTAL DATA
FILMLESS SPARK CHAMBERS
GAS TRACK DETECTORS
GEV RANGE
GEV RANGE 10-100
HADRON-HADRON INTERACTIONS
HADRONS
HODOSCOPES
INFORMATION
INTERACTIONS
KINETICS
LINEAR MOMENTUM
MAGNETIC SPECTROMETERS
MASS
MASS SPECTRA
MEASURING INSTRUMENTS
MESON RESONANCES
MESONS
MULTIWIRE PROPORTIONAL CHAMBERS
NUCLEON-NUCLEON INTERACTIONS
NUMERICAL DATA
OMEGA-1778 RESONANCES
PARITY
PARTICLE INTERACTIONS
PARTICLE PROPERTIES
PARTICLE WIDTHS
POLARIZED BEAMS
PROPORTIONAL COUNTERS
PROTON-NUCLEON INTERACTIONS
PROTON-PROTON INTERACTIONS
RADIATION DETECTORS
REACTION KINETICS
RESONANCE PARTICLES
SPARK CHAMBERS
SPECTRA
SPECTROMETERS
SPIN
WIRE SPARK CHAMBERS