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WANG Guang-huai, WU Xiang-yao, ZHANG Chun-li, LIU Bing, LIU Xiao-jing, WU Yi-heng, YANG Chuan-ding. Research on D→Klν~1(l=e,μ) Decay[J]. Atomic Energy Science and Technology, 2010, 44(2): 153-158. DOI: 10.7538/yzk.2010.44.02.0153
Citation: WANG Guang-huai, WU Xiang-yao, ZHANG Chun-li, LIU Bing, LIU Xiao-jing, WU Yi-heng, YANG Chuan-ding. Research on D→Klν~1(l=e,μ) Decay[J]. Atomic Energy Science and Technology, 2010, 44(2): 153-158. DOI: 10.7538/yzk.2010.44.02.0153
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Research on D→Klν~1(l=e,μ) Decay

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  • The D→KlAKν~Dl(l=e,μ) decay was researched by light cone QCD sum rules. The form factor f+DK(q2) of D→K was calculated by choosing a new correlative function, and a new form factor AKf~DK(q2) was also calculated, so the effect of the lepton mass on the branching ratios can be found. The branch ratios of the D→KeAKν~De, D→KμAKν~Dμ decay were calculated and the calculation result is more precisely. The branch ratios are consistent with the experimental data.
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