Hadron reactions study with the CMD-3 detector in e+e− collisions
- E. P. Solodov,
- A. N. Amirkhanov,
- A. V. Anisenkov,
- V. M. Aulchenko,
- V. S. Banzarov,
- N. S. Bashtovoy,
- A. E. Bondar,
- A. V. Bragin,
- S. I. Eidelman,
- D. A. Epifanov,
- L. B. Epshteyn,
- A. L. Erofeev,
- G. V. Fedotovich,
- S. E. Gayazo,
- A. A. Grebenuk,
- S. S. Gribanov,
- D. N. Grigoriev,
- F. V. Ignatov,
- V. L. Ivanov,
- S. V. Karpov,
- V. F. Kazanin,
- A. A. Korobov,
- O. A. Kovalenko,
- A. N. Kozyrev,
- E. A. Kozyrev,
- P. P. Krokovny,
- A. E. Kuzmenko,
- A. S. Kuzmin,
- I. B. Logashenko,
- P. A. Lukin,
- K. Yu. Mikhailov,
- V. S. Okhapkin,
- Yu. N. Pestov,
- A. S. Popov,
- G. P. Razuvaev,
- A. A. Ruban,
- N. M. Ryskulov,
- A. E. Ryzhenenkov,
- V. E. Shebalin,
- D. N. Shemyakin,
- B. A. Shwartz,
- A. L. Sibidanov,
- Yu. M. Shatunov,
- V. M. Titov,
- A. A. Talyshev,
- A. I. Vorobiov, and
- Yu. V. Yudin
Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia
Novosibirsk State University, Novosibirsk, 630090, Russia
Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia
Novosibirsk State University, Novosibirsk, 630090, Russia
Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia
Novosibirsk State University, Novosibirsk, 630090, Russia
Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia
Novosibirsk State University, Novosibirsk, 630090, Russia
Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia
Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia
Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia
Novosibirsk State University, Novosibirsk, 630090, Russia
Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia
Novosibirsk State University, Novosibirsk, 630090, Russia
Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia
Novosibirsk State University, Novosibirsk, 630090, Russia
Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia
Novosibirsk State University, Novosibirsk, 630090, Russia
Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia
Novosibirsk State University, Novosibirsk, 630090, Russia
Novosibirsk State Technical University, Novosibirsk, 630092, Russia
Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia
Novosibirsk State University, Novosibirsk, 630090, Russia
Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia
Novosibirsk State University, Novosibirsk, 630090, Russia
Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia
Novosibirsk State University, Novosibirsk, 630090, Russia
Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia
Novosibirsk State University, Novosibirsk, 630090, Russia
Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia
Novosibirsk State University, Novosibirsk, 630090, Russia
Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia
Novosibirsk State Technical University, Novosibirsk, 630092, Russia
Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia
Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia
Novosibirsk State University, Novosibirsk, 630090, Russia
Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia
Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia
Novosibirsk State University, Novosibirsk, 630090, Russia
Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia
Novosibirsk State University, Novosibirsk, 630090, Russia
Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia
Novosibirsk State University, Novosibirsk, 630090, Russia
Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia
Novosibirsk State University, Novosibirsk, 630090, Russia
Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia
Novosibirsk State University, Novosibirsk, 630090, Russia
Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia
Novosibirsk State University, Novosibirsk, 630090, Russia
Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia
Novosibirsk State University, Novosibirsk, 630090, Russia
Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia
Novosibirsk State University, Novosibirsk, 630090, Russia
Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia
Novosibirsk State University, Novosibirsk, 630090, Russia
Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia
Novosibirsk State University, Novosibirsk, 630090, Russia
Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia
Novosibirsk State University, Novosibirsk, 630090, Russia
Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia
Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia
Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia
Novosibirsk State University, Novosibirsk, 630090, Russia
Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia
Novosibirsk State University, Novosibirsk, 630090, Russia
Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia
Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia
Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia
Novosibirsk State University, Novosibirsk, 630090, Russia
Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia
Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia
Novosibirsk State University, Novosibirsk, 630090, Russia
Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia
Novosibirsk State University, Novosibirsk, 630090, Russia
Department of Physics and Astronomy, P. O. Box 3055, Victoria, B.C., V8W 3P6, Canada
Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia
Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia
Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia
Novosibirsk State University, Novosibirsk, 630090, Russia
Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia
Budker Institute of Nuclear Physics, Novosibirsk, 630090, Russia
Novosibirsk State University, Novosibirsk, 630090, Russia
Abstract
The CMD-3 detector has been taking data since December 2010 at the VEPP-2000 electron–positron collider. The collected data sample corresponds to about 60 inverse picobarn of integrated luminosity in the c.m. energy range from 0.32 GeV to 2.0 GeV. Preliminary results of the analysis of various hadronic cross-sections, in particular, e+e−→π+π−, π+π−π0, KLKS, K+K−, ηγ, 3(π+π−), 2(π+π−π0), K+K−π+π−, K+K−η, K+K−π0, ηπ+π−, ωπ+π− and ω→π0e+e− are presented. The processes with multi-hadron final states have several intermediate states which have to be taken into account to correctly describe the angular and invariant mass distributions, as well as cross-section energy dependence.