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Research on D→Klv~l decay

Wu Xiang-Yao, Liu Xiao-Jing, Wang Li, Gong Pi-Feng, Su Xi-Yu, Fan Xi-Hui, Shi Zong-Hua, Guo Yi-Qing
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  • Abstract views:  3650
  • PDF Downloads:  994
  • Cited By: 0
Publishing process
  • Received Date:  05 July 2005
  • Accepted Date:  28 December 2005
  • Published Online:  20 July 2006

Research on D→Klv~l decay

  • 1. (1)吉林师范大学物理学院, 吉林 136000; (2)曲阜师范大学物理工程学院,曲阜 273165; (3)中国科学院高能物理研究所,北京 100049

Abstract: In this paper, the D→Klv~l decay is researched using by QCD light cone sum rules. Firstly, the form factor of D→K is calculated by choosing a new correlative function to eliminate the effect caused by the uncertainty of twist-3 function, so the calculation result of form factor is more precise, and the branching ratio is consistent with the experimental data.

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