Published January 5, 2015
| Version v1
Journal article
Search for the process e+e−→η′(958) with the CMD-3 detector
Creators
- Akhmetshin, R.R.1, 2
- Anisenkov, A.V.1, 2
- Aulchenko, V.M.1, 2
- Banzarov, V.Sh.2
- Bashtovoy, N.S.2
- Berkaev, D.E.1, 2
- Bondar, A.E.1, 2
- Bragin, A.V.2
- Eidelman, S.I.1, 2
- Epifanov, D.A.3, 2
- Epshteyn, L.B.4, 2
- Erofeev, A.L.2
- Fedotovich, G.V.1, 2
- Gayazov, S.E.1, 2
- Grebenuk, A.A.1, 2
- Grigoriev, D.N.4, 1, 2
- Gromov, E.N.2
- Ignatov, F.V.1, 2
- and others
- 1. Novosibirsk State University, Novosibirsk, 630090 (Russian Federation)
- 2. Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090 (Russian Federation)
- 3. University of Tokyo, Department of Physics, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033 (Japan)
- 4. Novosibirsk State Technical University, Novosibirsk, 630092 (Russian Federation)
Description
A search for the process e+e−→η′(958) in the π+π−η→π+π−γγ final state has been performed with the CMD-3 detector at the VEPP-2000 e+e− collider. Using an integrated luminosity of 2.69 pb−1 collected at the center-of-mass energy Ec.m.=957.68 MeV we set an upper limit for the product of electronic width and branching fractions Γη′(958)→e+e−⋅Bη′(958)→π+π−η⋅Bη→γγ<0.00041 eV at 90% C.L
Availability note (English)
Available from http://dx.doi.org/10.1016/j.physletb.2014.11.056Additional details
Identifiers
- DOI
- 10.1016/j.physletb.2014.11.056;
- arXiv
- arXiv:1409.1664v3;
- PII
- S0370-2693(14)00866-1;
Publishing Information
- Journal Title
- Physics Letters. Section B
- Journal Volume
- 740
- Journal Page Range
- p. 273-277
- ISSN
- 0370-2693
- CODEN
- PYLBAJ
INIS
- Country of Publication
- Netherlands
- Country of Input or Organization
- International Atomic Energy Agency (IAEA)
- INIS RN
- 47004052
- Subject category
- S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
- Descriptors DEI
- ELECTRON-POSITRON COLLISIONS; ETA PRIME-958 MESONS; GAMMA RADIATION; LUMINOSITY; MASS; MEV RANGE 100-1000; PIONS; POSITRONS
- Descriptors DEC
- ANTILEPTONS; ANTIMATTER; ANTIPARTICLES; BOSONS; COLLISIONS; ELECTROMAGNETIC RADIATION; ELECTRON COLLISIONS; ELEMENTARY PARTICLES; ENERGY RANGE; FERMIONS; HADRONS; IONIZING RADIATIONS; LEPTONS; MATTER; MESONS; MEV RANGE; OPTICAL PROPERTIES; PHYSICAL PROPERTIES; POSITRON COLLISIONS; PSEUDOSCALAR MESONS; RADIATIONS
Optional Information
- Copyright
- Copyright (c) 2014 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.