Quark off-shellness in K,B -> gamma gamma decays

Eeg, Jan O. and Picek, Ivica (1994) Quark off-shellness in K,B -> gamma gamma decays. Fizika B, 3 (2). pp. 134-146. ISSN 1330-0016

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We demonstrate the importance of the quark off-shellness on examples of the radiative pseudoscalar meson decays, characterized by the simplest hadronic matrix elements. We point out that roughly a quarter of the empirical KL->gamma gamma amplitude originates in the quark off-shellness in kaon. For BS->gamma gamma we also find non-negligible contributions that increase the decay rate by a factor of 1.5 to 3.

Item Type: Article
Date: 1994
Subjects: NATURAL SCIENCES > Physics
Divisions: Faculty of Science > Department of Physics
Publisher: Hrvatsko fizikalno društvo
Depositing User: Gordana Stubičan Ladešić
Date Deposited: 08 Mar 2014 22:03
Last Modified: 08 Mar 2014 22:03
URI: http://digre.pmf.unizg.hr/id/eprint/537

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