Published December 10, 1987
| Version v1
Journal article
Observation of the decay KS → 2γ and measurement of the decay rates KL → 2γ and KS → 2γ
Creators
- Burkhardt, H.1
- Clarke, P.1
- Cundy, D.1
- Doble, N.1
- Gatignon, L.1
- Hagelberg, R.1
- Kesseler, G.1
- Lans, J. van der1
- Mannelli, I.1
- Miczaica, T.1
- Sander, H.G.1
- Schaffer, A.C.1
- Steffen, P.1
- Steinberger, J.1
- Taureg, H.1
- Wahl, H.1
- Youngman, C.1
- Dietrich, G.2
- Heinen, W.2
- Black, R.3
- Candlin, D.J.3
- Muir, J.3
- Peach, K.J.3
- Pijlgroms, B.3
- Shipsey, I.P.3
- Stephenson, W.3
- Bluemer, H.4
- Kasemann, M.4
- Kleinknecht, K.4
- Panzer, B.4
- Renk, B.4
- Auge, E.5
- Chase, R.L.5
- Corti, M.5
- Fournier, D.5
- Hassan, M.5
- Heusse, P.5
- Lutz, A.M.5
- Bertanza, L.6, 7
- Bigi, A.6, 7
- Calvetti, M.6, 7
- Carosi, R.6, 7
- Casali, R.6, 7
- Cerri, C.6, 7
- Massa, E.6, 7
- Nappi, A.6, 7
- Pierazzini, G.M.6, 7
- Becker, C.8
- Heyland, D.8
- Holder, M.8
- Quast, G.8
- Rost, M.8
- Weihs, W.8
- Zech, G.8
- CERN-Dortmund-Edinburgh-Mainz-Orsay-Pisa-Siegen Collaboration
- 1. European Organization for Nuclear Research, Geneva (Switzerland)
- 2. Dortmund Univ. (Germany, F.R.). Inst. fuer Physik
- 3. Edinburgh Univ. (UK). Dept. of Physics
- 4. Mainz Univ. (Germany, F.R.). Inst. fuer Physik
- 5. Paris-11 Univ., 91 - Orsay (France). Lab. de l'Accelerateur Lineaire
- 6. Istituto Nazionale di Fisica Nucleare, Pisa (Italy)
- 7. Pisa Univ. (Italy). Dipt. di Fisica
- 8. Siegen Univ. (Gesamthochschule) (Germany, F.R.). Fachbereich 7 - Physik
Description
The decay rates of KL → 2γ and KS → 2γ have been measured at the CERN SPS. The results are Γ(KL → 2γ)/Γ(KL → 2π0) = 0.632±0.004±0.008 and Γ(KS → 2γ)/Γ(KL → 2γ)=2.3±1.±0.4. This is the first observation of KS → 2γ decays. (orig.)
Additional details
Publishing Information
- Journal Title
- Phys. Lett., B
- Journal Volume
- 199
- Journal Issue
- 1
- Series
- Phys. Lett., B.
- Journal Page Range
- 139-146
- ISSN
- 0370-2693
- CODEN
- PYLBA
INIS
- Country of Publication
- Netherlands
- Country of Input or Organization
- Netherlands
- INIS RN
- 19025812
- Subject category
- S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
- Resource subtype / Literary indicator
- Numerical Data
- Descriptors DEI
- BRANCHING RATIO; EFFECTIVE MASS; EXPERIMENTAL DATA; GEV RANGE 100-1000; INCLUSIVE INTERACTIONS; KAONS NEUTRAL; KAONS NEUTRAL LONG-LIVED; KAONS NEUTRAL SHORT-LIVED; MASS SPECTRA; PAIR PRODUCTION; PARTICLE WIDTHS; PIONS NEUTRAL; PROTON-ANTIPROTON INTERACTIONS; RADIATIVE DECAY; WEAK HADRONIC DECAY
- Descriptors DEC
- BARYON-BARYON INTERACTIONS; BOSONS; DATA; DECAY; ELEMENTARY PARTICLES; ENERGY RANGE; GEV RANGE; HADRON-HADRON INTERACTIONS; HADRONS; INFORMATION; INTERACTIONS; KAONS; MASS; MESONS; NUCLEON-ANTINUCLEON INTERACTIO; NUMERICAL DATA; PARTICLE DECAY; PARTICLE INTERACTIONS; PARTICLE PRODUCTION; PARTICLE PROPERTIES; PIONS; PSEUDOSCALAR MESONS; SPECTRA; STRANGE MESONS; STRANGE PARTICLES; WEAK PARTICLE DECAY
Optional Information
- Contract/Grant/Project number
- Contract BMFT 053DO41; BMFT 054MZ18; BMFT 054SI74
- Collaborations
- CERN-Dortmund-Edinburgh-Mainz-Orsay-Pisa-Siegen Collaboration.