Double charmonium production in exclusive bottomonium decays - INSPIRE

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Double charmonium production in exclusive bottomonium decays

2010

15 pages

Published in:

Phys.Atom.Nucl. 73 (2010) 1054-1068,
Yad.Fiz. 73 (2010) 1091-1105

DOI:

10.1134/S1063778810060207

reference search6 citations

Citations per year

Abstract: (Springer)

Exclusive bottomonium decays leading to the production of charmonium pairs are considered. The respective decay widths are calculatedwithin the approach of line-cone expansion for the amplitude and nonrelativistic QCD. It is shown that the producti on of L ( )z( ) 0 P-wave charmonium states is possible even in the leading-twist approximation. This means a violation of selection rules that require the suppression of such decays. The reason for this violation is discussed in detail.

charmonium: pair production
quantum chromodynamics: nonrelativistic
bottomonium: hadronic decay
selection rule: violation
twist
bottomonium: width
bottomonium: branching ratio
eta/b
chi mesons
light cone

References(43)

Figures(0)

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