Published September 25, 1989
| Version v1
Journal article
Search for unstable heavy neutral leptons in e+e- annihilations at √s from 50 to 60.8 GeV
Creators
- 1. University of Rochester, Rochester, NY (USA)
Description
A search for unstable heavy neutral leptons has been made at center-of-mass energies from 50 to 60.8 GeV with the AMY detector at the KEK Storage ring TRISTAN. The neutral leptons are assumed to decay via mixing to electrons and muons. Events with two leptons were searched for. No evidence for their existence was found. Limits in the mass range 7.8≤ML0≤28.1 GeV/c2 and mixing-parameter range 9x10-10≤|UlL|2≤1 are presented for Dirac- and Majorana-type neutrinos
Additional details
Publishing Information
- Journal Title
- Physical Review Letters
- Journal Volume
- 63
- Journal Issue
- 13
- Series
- Phys. Rev. Lett.
- Journal Page Range
- 1342-1345
- ISSN
- 0031-9007
- CODEN
- PRLTA
INIS
- Country of Publication
- United States
- Country of Input or Organization
- United States
- INIS RN
- 21022350
- Subject category
- S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
- Resource subtype / Literary indicator
- Numerical Data
- Descriptors DEI
- ANNIHILATION; CROSS SECTIONS; ELECTRON-POSITRON INTERACTIONS; ELECTRONS; EXPERIMENTAL DATA; GEV RANGE 10-100; HEAVY LEPTONS; KEK SYNCHROTRON; MONTE CARLO METHOD; MUONS; NEUTRINOS; PARTICLE PRODUCTION; W PLUS BOSONS; WEINBERG LEPTON MODEL; Z NEUTRAL BOSONS
- Descriptors DEC
- ACCELERATORS; BOSONS; CYCLIC ACCELERATORS; DATA; ELEMENTARY PARTICLES; ENERGY RANGE; FERMIONS; FIELD THEORIES; GEV RANGE; INFORMATION; INTERACTIONS; INTERMEDIATE BOSONS; INTERMEDIATE VECTOR BOSONS; LEPTON-LEPTON INTERACTIONS; LEPTONS; MASSLESS PARTICLES; MATHEMATICAL MODELS; NUMERICAL DATA; PARTICLE INTERACTIONS; PARTICLE MODELS; QUANTUM FIELD THEORY; SYNCHROTRONS; UNIFIED GAUGE MODELS