Lambda-antilambda decay asymmetries and CP violation

Conference · Mon May 01 04:00:00 EDT 1989 · AIP Conference Proceedings (American Institute of Physics) Conference Proceedings; (USA)

OSTI ID:5249478

Hertzog, D W ^[1]; Barnes, P; Birien, P; Bonner, B E; Breunlich, W; Dicbold, G; Dutty, W; Eisenstein, R A; Ericsson, G; Eyrich, W; others, and

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1. University of Illinois at Urbana-Champaign, Department of Physics, Urbana, IL 61801 (US)

The exclusive reaction {bar p}p {r arrow}-{bar {Lambda}}{Lambda} is an interesting laboratory in which to study both spin physics and fundamental symmetries. The PS185 collaboration at LEAR has been exploiting this fact for the last few years in an ongoing program of hyperon-antihyperon production. The motivation for this study will be outlined and the experimental technique will be described. Spin physics aspects such as the measurements of the outgoing hyperon polarization and preliminary determinations of spin correlation coefficients will be presented. Fundamental symmetry checks such as lifetime differences between {Lambda} and {bar {Lambda}} (CPT) and decay properties (CP) will be discussed. A future experiment which is quite sensitive to CP violation in a hyperon-antihyperon system will be mentioned.

• OSTI ID: 5249478
• Report Number(s): CONF-880983--
• Conference Information: Journal Name: AIP Conference Proceedings (American Institute of Physics) Conference Proceedings; (USA) Journal Volume: 187:1
• Country of Publication: United States
• Language: English

Related Subjects

645103* -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Strong Interactions & Baryon & Meson Properties
645300 -- High Energy Physics-- Particle Invariance Principles & Symmetries
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ANTIBARYONS
ANTIHYPERONS
ANTILAMBDA PARTICLES
ANTIMATTER
ANTIPARTICLES
ASYMMETRY
BARYON-BARYON INTERACTIONS
BARYONS
CP INVARIANCE
DATA
DECAY
ELEMENTARY PARTICLES
ENERGY RANGE
EXPERIMENTAL DATA
FERMIONS
GEV RANGE
GEV RANGE 01-10
HADRON-HADRON INTERACTIONS
HADRONS
HYPERONS
INFORMATION
INTERACTIONS
INVARIANCE PRINCIPLES
LAMBDA BARYONS
LAMBDA PARTICLES
LIFETIME
MASS SPECTRA
NUCLEON-ANTINUCLEON INTERACTIONS
NUMERICAL DATA
PAIR PRODUCTION
PARTICLE DECAY
PARTICLE INTERACTIONS
POLARIZATION
PROTON-ANTIPROTON INTERACTIONS
SPECTRA
STRANGE PARTICLES