Light-cone sum rules for the D-(s) -> eta(()'())l nu(l) form factor

Offen, N. and Porkert, F. A. and Schaefer, A. (2013) Light-cone sum rules for the D-(s) -> eta(()'())l nu(l) form factor. PHYSICAL REVIEW D, 88 (3): 034023. ISSN 1550-7998,

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Abstract

We present an improved light-cone sum rule analysis of the decay form factors of D and D-s into eta and eta' and argue that these decays offer a very promising possibility to determine the leading Fock-state gluonic contribution of the eta' at future experimental facilities such as FAIR or Super-KEKB. We also give the corresponding branching ratios for B decays.

Item Type: Article
Uncontrolled Keywords: ETA'-MESON MASS; PSEUDOSCALAR MESONS; RESONANCE PHYSICS; DECAY CONSTANTS; QCD;
Subjects: 500 Science > 530 Physics
Divisions: Physics > Institute of Theroretical Physics > Chair Professor Schäfer > Group Andreas Schäfer
Depositing User: Dr. Gernot Deinzer
Date Deposited: 02 Apr 2020 09:47
Last Modified: 02 Apr 2020 09:47
URI: https://pred.uni-regensburg.de/id/eprint/16223

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