Published December 2000 | Version v1
Journal article Metadata-only

A detailed description of the analysis of the decay of neutral kaons to π+π- in the CPLEAR experiment

Creators

  • 1. Athens Univ. (Greece)
  • 2. Univ. Aix-Marseille-2 (France). CPPM
  • 3. Basel Univ. (Switzerland)

Description

A detailed description is given of the analysis of neutral kaons decaying to π+π-, based on the complete set of data collected with the CPLEAR experiment. Using a novel approach involving initially strangeness-tagged K0 and anti K0, the time-dependent decay-rate asymmetry has been measured. This asymmetry, resulting from the interference between the KS and KL decay amplitudes, has enabled both the magnitude and phase of the CP-violation parameter, η+-, to be measured, with a precision comparable to that of the current world-average values. (orig.)

Additional details

Publishing Information

Journal Title
European Physical Journal. C
Journal Volume
18
Journal Issue
1
Journal Page Range
p. 41-55
ISSN
1434-6044

INIS

Country of Publication
Germany
Country of Input or Organization
Germany
INIS RN
32005146
Subject category
S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
Resource subtype / Literary indicator
Numerical Data
Descriptors DEI
ANNIHILATION; ANTIKAONS NEUTRAL; CP INVARIANCE; EXPERIMENTAL DATA; INTERFERENCE; KAONS MINUS; KAONS NEUTRAL LONG-LIVED; KAONS NEUTRAL SHORT-LIVED; KAONS PLUS; PAIR PRODUCTION; PIONS MINUS; PIONS PLUS; PROTON-ANTIPROTON INTERACTIONS; SYMMETRY BREAKING; WEAK HADRONIC DECAY
Descriptors DEC
ANTIKAONS; ANTIMATTER; ANTIPARTICLES; BARYON-BARYON INTERACTIONS; BOSONS; DATA; DECAY; ELEMENTARY PARTICLES; HADRON-HADRON INTERACTIONS; HADRONS; INFORMATION; INTERACTIONS; INVARIANCE PRINCIPLES; KAONS; KAONS NEUTRAL; MATTER; MESONS; NUCLEON-ANTINUCLEON INTERACTIONS; NUMERICAL DATA; PARTICLE DECAY; PARTICLE INTERACTIONS; PARTICLE PRODUCTION; PIONS; PSEUDOSCALAR MESONS; STRANGE MESONS; STRANGE PARTICLES; WEAK PARTICLE DECAY

Optional Information

Collaborations
CPLEAR Collaboration