Published November 1977
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Measurement of the J/PSI radiative decay into f0(1270)γ
Description
The J/PSI decay modes f0(1270)γ and pπ have been studied in e+e- collisions at 3.1 GeV center of mass energy leading to the π+π-γ and π+π-π0 final states. The f0γ decay branching ratio is measured to be (0.20 +- 0.07) x 10-2, a value comparable to the J/PSI radiative decay rates into the eta%GA and eta'γ channels. The J/PSI decay branching ratio into pπ is measured to be (1.6 +- 0.4) x 10-2. (orig.)
Availability note (English)
MF available from INIS under the Report Number.Abstract (German)
Bei e+e--Kollisionen mit 3.1 GeV Schwerpunktsystemenergie wurden die Zerfallsarten f0(1270)γ und pπ von J/PSI, welche zu den π+π-γ und π+π-π0 Endzustaenden fuehren, untersucht. Das Verzweigungsverhaeltnis von f0γ wird zu (0.20 +- 0.07) x 10-2 gemessen, ein Wert, der mit den J/PSI Strahlungszerfallsraten in die eta%GA und eta'γ-Kanaele vergleichbar ist. Fuer das Verzweigungsverhaeltnis des J/PSI-Zerfalls zu pπ wird ein Wert von (1.6 +- 0.4) x 10-2 gemessen. (orig.)
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Additional details
Publishing Information
- Imprint Pagination
- 7 p.
- Report number
- DESY--77/72
INIS
- Country of Publication
- Germany
- Country of Input or Organization
- Germany
- INIS RN
- 9381387
- Subject category
- S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
- Descriptors DEI
- BRANCHING RATIO; ELECTRON-POSITRON INTERACTIONS; F-1260 RESONANCES; GEV RANGE 01-10; PARTICLE DECAY; PHOTONS; PSI-3105 RESONANCES
- Descriptors DEC
- BOSONS; DECAY; ELEMENTARY PARTICLES; ENERGY RANGE; GEV RANGE; HADRONS; INTERACTIONS; LEPTON-LEPTON INTERACTIONS; MASSLESS PARTICLES; MESON RESONANCES; MESONS; PARTICLE INTERACTIONS; PSI RESONANCES; RESONANCE PARTICLES
Optional Information
- Notes
- 3 figs.; 15 refs.