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Double charmonium production in exclusive bottomonium decays

✍ Scribed by V. V. Braguta; A. K. Likhoded; A. V. Luchinsky


Book ID
111441091
Publisher
SP MAIK Nauka/Interperiodica
Year
2010
Tongue
English
Weight
772 KB
Volume
73
Category
Article
ISSN
1063-7788

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Colour octet contribution in exclusive P
✍ S.M.H. Wong πŸ“‚ Article πŸ“… 2000 πŸ› Elsevier Science 🌐 English βš– 204 KB

In inclusive P-wave charmonium decay, to cancel infrared divergence in the colour singlet contribution requires the inclusion of the colour octet which becomes degenerate with the former in the infrared limit. In the corresponding exclusive decay, such an infrared divergence does not exist. On this