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- Title
Double Vector-Charmonium Production in Electron–Positron Annihilation into Two Photons at [formula] GeV.
- Authors
Luchinsky, A. V.
- Abstract
In experimentally studying the exclusive production of two cc mesons in electron–positron annihilation, the BELLE Collaboration obtained results that differ substantially from theoretical predictions. Recently, it was assumed that a significant part of this discrepancy can be explained by the process e+e– → 2γ* → 2J/ψ, and its cross section was published. It is shown here that these results are incorrect (the cross sections are overestimated). The correct values of the cross sections for the double production of various vector charmonia are given.© 2004 MAIK “Nauka / Interperiodica”.
- Subjects
SHEAR waves; PION-pion interactions; POSITRON annihilation; PHYSICS; ELECTRONS
- Publication
Physics of Atomic Nuclei, 2004, Vol 67, Issue 7, p1338
- ISSN
1063-7788
- Publication type
Article
- DOI
10.1134/1.1777289