Study of exclusive central hadron production at the ISR as a search for gluonium states: the axial field spectrometer collaboration
Conference
·
OSTI ID:5659587
We present a preliminary report on a study of the exclusive reaction pp ..-->.. pph/sup +/h/sup -/ (h = ..pi..,K,p) at ..sqrt..s = 63 GeV and ..sqrt..s = 45 GeV, with h/sup +/ and h/sup -/ in the central region. This reaction has been suggested as a method of searching for gluonium states. The mass distributions in the ..pi../sup +/..pi../sup -/ system appear to be identical at the two values of ..sqrt..s. They show a rapid order of magnitude decrease in cross-section at 1000 MeV/c/sup 2/ and 1500 MeV/c/sup 2/. Further structure is observed above 2000 MeV/c/sup 2/.
- Research Organization:
- Brookhaven National Lab., Upton, NY (USA); Bonn Univ. (Germany, F.R.). Physikalisches Inst.; Cambridge Univ. (UK); European Organization for Nuclear Research, Geneva (Switzerland); Niels Bohr Inst., Copenhagen (Denmark); Lund Univ. (Sweden)
- DOE Contract Number:
- AC02-76CH00016
- OSTI ID:
- 5659587
- Report Number(s):
- BNL-33483; CONF-830718-5; ON: DE83017349
- 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 DISTRIBUTION
BARYON-BARYON INTERACTIONS
BOSONS
CERN ISR
DATA
DISTRIBUTION
ELEMENTARY PARTICLES
ENERGY RANGE
EXCLUSIVE INTERACTIONS
EXPERIMENTAL DATA
GEV RANGE
GEV RANGE 10-100
GLUEBALLS
HADRON-HADRON INTERACTIONS
HADRONS
INFORMATION
INTERACTIONS
KAONS
KAONS MINUS
KAONS PLUS
MASS SPECTRA
MESONS
NUCLEON-NUCLEON INTERACTIONS
NUMERICAL DATA
PARTICLE INTERACTIONS
PARTICLE PRODUCTION
PIONS
PIONS MINUS
PIONS PLUS
PROTON-NUCLEON INTERACTIONS
PROTON-PROTON INTERACTIONS
PSEUDOSCALAR MESONS
SPECTRA
STORAGE RINGS
STRANGE PARTICLES
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ANGULAR DISTRIBUTION
BARYON-BARYON INTERACTIONS
BOSONS
CERN ISR
DATA
DISTRIBUTION
ELEMENTARY PARTICLES
ENERGY RANGE
EXCLUSIVE INTERACTIONS
EXPERIMENTAL DATA
GEV RANGE
GEV RANGE 10-100
GLUEBALLS
HADRON-HADRON INTERACTIONS
HADRONS
INFORMATION
INTERACTIONS
KAONS
KAONS MINUS
KAONS PLUS
MASS SPECTRA
MESONS
NUCLEON-NUCLEON INTERACTIONS
NUMERICAL DATA
PARTICLE INTERACTIONS
PARTICLE PRODUCTION
PIONS
PIONS MINUS
PIONS PLUS
PROTON-NUCLEON INTERACTIONS
PROTON-PROTON INTERACTIONS
PSEUDOSCALAR MESONS
SPECTRA
STORAGE RINGS
STRANGE PARTICLES