Preliminary results of measurements of hadronic cross sections with the CMD-3 detector at the VEPP-2000 electron–positron collider

Journal Article · Wed Jul 15 04:00:00 EDT 2015 · Physics of Atomic Nuclei

DOI:https://doi.org/10.1134/S1063778815040043· OSTI ID:22722848

Anisenkov, A. V. ^[1]; Aulchenko, V. M. ^[2]; Akhmetshin, R. R.; Banzarov, V. S.; Bashtovoy, N. S. ^[1]; Berkaev, D. E. ^[2]; Bragin, A. V.; Vorobiov, A. I. ^[1]; Gayazov, S. E.; Grebenuk, A. A. ^[2]; Grigoriev, D. N.; Gromov, E. M. ^[1]; Epifanov, D. A. ^[3]; Erofeev, A. L.; Zharinov, Yu. M. ^[1]; Ivanov, V. L. ^[2]; Ignatov, F. V. ^[1]; Kazanin, V. F. ^[2]; Karpov, S. V. ^[1]; others, and

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1. Russian Academy of Sciences, Budker Institute of Nuclear Physics, Siberian Branch (Russian Federation)
2. Novosibirsk State University (Russian Federation)
3. The University of Tokyo 7-3-1 Hongo, Department of Physics, Graduate School of Science (Japan)

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{sup -1}. The resultsof a preliminary analysis are presented for the following annihilation channels: e{sup +}e{sup -} → 3(π{sup +}π{sup -}), 2(π{sup +}π{sup -}π{sup 0}), K{sup +}K{sup -}π{sup +}π{sup -}, K{sup +}K{sup -}, pp̄, and π{sup +}π{sup -}. 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.

• OSTI ID: 22722848
• Journal Information: Physics of Atomic Nuclei, Journal Name: Physics of Atomic Nuclei Journal Issue: 5 Vol. 78; ISSN 1063-7788; ISSN PANUEO
• Country of Publication: United States
• Language: English

Related Subjects

73 NUCLEAR PHYSICS AND RADIATION PHYSICS
74 ATOMIC AND MOLECULAR PHYSICS
BEAM LUMINOSITY
CENTER-OF-MASS SYSTEM
COLLISIONS
CROSS SECTIONS
ELECTRON-POSITRON INTERACTIONS
EMISSION
GEV RANGE
INTERMEDIATE STATE
KAONS MINUS
KAONS PLUS
MASS
MASS DISTRIBUTION
PARTICLE PRODUCTION
PEP STORAGE RINGS