Published January 25, 2007
| Version v1
Journal article
Measurement of the η->π+π-e+e- decay branching ratio
Creators
- Bargholtz, Chr.1
- Bashkanov, M.2
- Bogoslawsky, D.3
- Calen, H.4
- Cappellaro, F.5
- Clement, H.2
- Demiroers, L.6
- Ekstroem, C.4
- Fransson, K.4
- Geren, L.1
- Gustafsson, L.5
- Hoeistad, B.5
- Ivanov, G.3
- Jacewicz, M.5
- Jiganov, E.3
- Johansson, T.5
- Keleta, S.5
- Koch, I.5
- Kullander, S.5
- Kupsc, A.4
- Kuznetsov, A.3
- Laukhin, I.V.7
- Lindberg, K.1
- Marciniewski, P.4
- Meier, R.2
- Morosov, B.3
- Oelert, W.8
- Pauly, C.6
- Pettersson, H.5
- Petukhov, Y.3
- Povtorejko, A.3
- Ruber, R.J.M.Y.4
- Schoenning, K.5
- Scobel, W.6
- Shafigullin, R.7
- Shwartz, B.9
- Skorodko, T.2
- Sopov, V.10
- Stepaniak, J.11
- Tchernyshev, V.10
- Tegner, P.-E.1
- Thoerngren Engblom, P.5
- Tikhomirov, V.3
- Turowiecki, A.12
- Wagner, G.J.2
- Wolke, M.5
- Yamamoto, A.13
- Zabierowski, J.11
- Zartova, I.1
- Zlomanczuk, J.5
- 1. Stockholm University, Stockholm (Sweden)
- 2. Physikalisches Institut der Universitaet Tuebingen, Tuebingen (Germany)
- 3. Joint Institute for Nuclear Research, Dubna (Russian Federation)
- 4. The Svedberg Laboratory, Uppsala (Sweden)
- 5. Uppsala University, Uppsala (Sweden)
- 6. Institut fuer Experimentalphysik der Universitaet Hamburg, Hamburg (Germany)
- 7. Moscow Engineering Physics Institute, Moscow (Russian Federation)
- 8. Institut fuer Kernphysik, Forschungszentrum Juelich, Juelich (Germany)
- 9. Budker Institute of Nuclear Physics, Novosibirsk (Russian Federation)
- 10. Institute of Theoretical and Experimental Physics, Moscow (Russian Federation)
- 11. Soltan Institute for Nuclear Studies, Warsaw and Lodz (Poland)
- 12. Institute of Experimental Physics, Warsaw (Poland)
- 13. High Energy Accelerator Research Organization, Tsukuba (Japan)
Description
The reaction pd->He3η at threshold was used to provide a clean source of η mesons for decay studies with the WASA detector at CELSIUS. The branching ratio of the decay η->π+π-e+e- is measured to be (4.3+/-1.3+/-0.4)x10-4
Additional details
Identifiers
- DOI
- 10.1016/j.physletb.2006.12.008;
- arXiv
- arXiv:hep-ex/0609007v2;
- PII
- S0370-2693(06)01528-0;
Publishing Information
- Journal Title
- Physics Letters. Section B
- Journal Volume
- 644
- Journal Issue
- 5-6
- Journal Page Range
- p. 299-303
- ISSN
- 0370-2693
- CODEN
- PYLBAJ
INIS
- Country of Publication
- Netherlands
- Country of Input or Organization
- International Atomic Energy Agency (IAEA)
- INIS RN
- 39014297
- Subject category
- S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
- Descriptors DEI
- BRANCHING RATIO; ELECTRONS; ETA MESONS; PAIR PRODUCTION; PARTICLE DECAY; PIONS MINUS; PIONS PLUS; POSITRONS
- Descriptors DEC
- ANTILEPTONS; ANTIMATTER; ANTIPARTICLES; BOSONS; DECAY; DIMENSIONLESS NUMBERS; ELEMENTARY PARTICLES; FERMIONS; HADRONS; INTERACTIONS; LEPTONS; MATTER; MESONS; PARTICLE PRODUCTION; PIONS; PSEUDOSCALAR MESONS
Optional Information
- Copyright
- Copyright (c) 2006 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.