Published December 25, 1986
| Version v1
Journal article
Search for narrow signals in the γ-spectrum from panti p annihilation at rest
Creators
- 1. Forskningsinstitutet foer Atomfysik, Stockholm (Sweden)
- 2. Basel Univ. (Switzerland). Inst. fuer Physik
- 3. Los Alamos National Lab., NM (USA)
- 4. Salonica Univ. (Greece)
- 5. European Organization for Nuclear Research, Geneva (Switzerland)
Description
The γ-spectrum originating from panti p annihilations at rest in liquid hydrogen was measured with two BGO spectrometers. A total of 24x106 γ's were accumulated. No narrow peaks indicating exotic states such as baryonium were observed. The upper limit for the branching ratio panti p→γ+X with 1040≤mx≤1770 MeV/c2 and with Γx≤25 MeV/c2 is less than 10-3 with more than 99.96% confidence. (orig.)
Additional details
Publishing Information
- Journal Title
- Phys. Lett., B
- Journal Volume
- 182
- Journal Issue
- 3/4
- Series
- Phys. Lett., B.
- Journal Page Range
- 405-408
- ISSN
- 0370-2693
- CODEN
- PYLBA
INIS
- Country of Publication
- Netherlands
- Country of Input or Organization
- Netherlands
- INIS RN
- 18025986
- Subject category
- S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
- Resource subtype / Literary indicator
- Numerical Data
- Descriptors DEI
- ANNIHILATION; BARYONIUM; BRANCHING RATIO; ENERGY SPECTRA; EXPERIMENTAL DATA; GAMMA SPECTRA; INCLUSIVE INTERACTIONS; LIMITING VALUES; PROTON-ANTIPROTON INTERACTIONS
- Descriptors DEC
- BARYON-BARYON INTERACTIONS; BOSONS; DATA; ELEMENTARY PARTICLES; HADRON-HADRON INTERACTIONS; HADRONS; INFORMATION; INTERACTIONS; MESON RESONANCES; MESONS; NUCLEON-ANTINUCLEON INTERACTIO; NUMERICAL DATA; PARTICLE INTERACTIONS; RESONANCE PARTICLES; SPECTRA