Research on D→Klv～l decay | Zendy

Wu Xiang-Yao | Zendy; Gong Pi-Feng | Zendy; Su Xi-Yu | Zendy; Xiao-Jing Liu | Zendy; Fan Xi-Hui | Zendy; Wang Li | Zendy; Shi Zong-Hua | Zendy; Yi-Qing Guo | Zendy

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Research on D→Klv～l decay

Author(s) -

Wu Xiang-Yao,

Gong Pi-Feng,

Su Xi-Yu,

Xiao-Jing Liu,

Fan Xi-Hui,

Wang Li,

Shi Zong-Hua,

Yi-Qing Guo

Publication year - 2006

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.55.3375

Subject(s) - physics , branching fraction , twist , correlative , form factor (electronics) , quantum chromodynamics , function (biology) , particle physics , light cone , nuclear physics , mathematics , quantum mechanics , geometry , evolutionary biology , biology , linguistics , philosophy

In this paper, the D→Klvl 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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