Search for. lambda. p states in the baryon-exchange reaction pp. --> lambda. pK/sup +/ at 11. 75 GeV/c

Journal Article · Mon Aug 01 04:00:00 EDT 1983 · Phys. Rev. D; (United States)

DOI:https://doi.org/10.1103/PhysRevD.28.657· OSTI ID:5736348

Arenton, M W; Ayres, D S; Diebold, R; May, E N; Nodulman, L; Sauer, J R; Wicklund, A B; Swallow, E C

We have obtained 1400 events of the baryon-exchange reaction pp..--> lambda..pK/sup +/ using the ANL zero gradient synchrotron 11.75-GeV/c polarized proton beam and the effective-mass spectrometer. A search for enhancements in the ..lambda..p mass spectrum has been made. No enhancements are observed; in particular the narrow ..lambda..p enhancement at 2.13 GeV seen in K/sup -/d..--> lambda..p..pi../sup -/ is not observed. We establish limits on the production of narrow states of approx.10 nb. Also 100 000 events of the forward reaction pp..--> lambda..K/sup +/p were examined and no narrow ..lambda..p enhancements are seen.

• Research Organization: Argonne National Laboratory, Argonne, Illinois 60439
• OSTI ID: 5736348
• Journal Information: Phys. Rev. D; (United States), Journal Name: Phys. Rev. D; (United States) Vol. 28:3; ISSN PRVDA
• Country of Publication: United States
• Language: English

Related Subjects

645103* -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Strong Interactions & Baryon & Meson Properties
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ACCELERATORS
BARYON RESONANCES
BARYON-BARYON INTERACTIONS
BARYON-EXCHANGE MODELS
BARYONS
BEAMS
BOSONS
CYCLIC ACCELERATORS
DATA
DIBARYON RESONANCES
EFFECTIVE MASS
ELEMENTARY PARTICLES
ENERGY RANGE
EXPERIMENTAL DATA
FERMIONS
GEV RANGE
GEV RANGE 10-100
HADRON-HADRON INTERACTIONS
HADRONS
HYPERONS
INFORMATION
INTERACTIONS
KAONS
KAONS PLUS
LAMBDA PARTICLES
MASS
MASS SPECTRA
MATHEMATICAL MODELS
MESONS
MONTE CARLO METHOD
NUCLEON-NUCLEON INTERACTIONS
NUCLEONS
NUMERICAL DATA
PARTICLE INTERACTIONS
PARTICLE MODELS
PARTICLE PRODUCTION
PERIPHERAL MODELS
POLARIZED BEAMS
PROTON-NUCLEON INTERACTIONS
PROTON-PROTON INTERACTIONS
PROTONS
PSEUDOSCALAR MESONS
RESONANCE PARTICLES
SPECTRA
STRANGE PARTICLES
SYNCHROTRONS
ZGS