Study of W-Exchange Mode D<sup>0</sup>  → ФK<sup>0</sup>

Chin. Phys. Lett.

2006, Vol. 23

Issue (8): 2038-2041 DOI:

Original Articles

Study of W-Exchange Mode D⁰ → ФK⁰

DU Dong-Sheng;LI Ying;Lü Cai-Dian

Institute of High Energy Physics, Chinese Academy of Sciences, PO Box 918(4), Beijing 100049

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DU Dong-Sheng, LI Ying, Lü Cai-Dian 2006 Chin. Phys. Lett. 23 2038-2041

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Abstract We calculate the branching ratio of rare decay D⁰ → ФK⁰ using the perturbative QCD factorization approach based on k_T factorization. Our result shows this branching ratio is (8.7±1.4)× 10^-3, which is consistent with experimental data. We hope that the CLEO-C and BES-III can measure it more accurately, which will help us to understand QCD dynamics and D meson weak decays.

Keywords: 13.20.Ft 12.38.Bx 14.40.Lb

Published: 01 August 2006

PACS:	13.20.Ft
	12.38.Bx	(Perturbative calculations)
	14.40.Lb	(Charmed mesons (\|C\|>0, B=0))

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2006/V23/I8/02038

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