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- Title
Preliminary results of measurements of hadronic cross sections with the CMD-3 detector at the VEPP-2000 electron-positron collider.
- Authors
Fedotovich, G.; Anisenkov, A.; Aulchenko, V.; Akhmetshin, R.; Banzarov, V.; Bashtovoy, N.; Berkaev, D.; Bragin, A.; Vorobiov, A.; Gayazov, S.; Grebenuk, A.; Grigoriev, D.; Gromov, E.; Epifanov, D.; Erofeev, A.; Zharinov, Yu.; Ivanov, V.; Ignatov, F.; Kazanin, V.; Karpov, S.
- Abstract
Experiments with the CMD-3 detector at the VEPP-2000 electron-positron collider in the range of center of mass collision energies from 0.32 to 2 GeV have been performed since December 2010. The amount of accumulated data corresponds to an integrated luminosity of about 60 pb. The resultsof a preliminary analysis are presented for the following annihilation channels: e e → 3(ππ), 2(πππ), K Kππ, K K, $$p\bar p$$, and ππ. Since processes of electron-positron annihilation that involve the production of multihadron states proceed through several intermediate states, their analysis is necessary for the correct description of the emission-angle and invariant-mass distributions of product particles.
- Subjects
HADRONIC atoms; NUCLEAR cross sections; ELECTRON-positron interactions; COLLIDERS (Nuclear physics); ANNIHILATION reactions; MULTIPLICITY of hadrons
- Publication
Physics of Atomic Nuclei, 2015, Vol 78, Issue 5, p591
- ISSN
1063-7788
- Publication type
Article
- DOI
10.1134/S1063778815040043