Uncertainty study of DS-(D-)→γlν (l=e,μ) decays determined by wave function

HOU Zhao-Yu; GUO Peng; WU Wen-Wang

doi:10.1088/1674-1137/35/7/001

Chinese Physics C> 2011, Vol. 35> Issue(7) : 603-607 DOI: 10.1088/1674-1137/35/7/001

Uncertainty study of D_S^-(D^-)→γlν (l=e,μ) decays determined by wave function

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Wave function is important for determining decay constants f_{D_S^-} and f_D^-. Using the 5 types of D meson wave functions in the heavy quark limit, we studied the uncertainties of radiative pure-leptonic decays of D_S^-(D^-) mesons. The branching ratios are (1.025390—1.706812) × 10^-5 and (0.953498—1.576725) × 10^-6 for D_S^- and D^- decays, respectively, which are sensitive to the type of wave function.

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HOU Zhao-Yu, GUO Peng and WU Wen-Wang. Uncertainty study of D_S^-(D^-)→γlν (l=e,μ) decays determined by wave function[J]. Chinese Physics C, 2011, 35(7): 603-607. doi: 10.1088/1674-1137/35/7/001

HOU Zhao-Yu, GUO Peng and WU Wen-Wang. Uncertainty study of D_S^-(D^-)→γlν (l=e,μ) decays determined by wave function[J]. Chinese Physics C, 2011, 35(7): 603-607. doi: 10.1088/1674-1137/35/7/001 shu

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Received: 2010-09-29
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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Uncertainty study of D_S^-(D^-)→γlν (l=e,μ) decays determined by wave function

Received Date: 2010-09-29

Accepted Date: 2010-10-14

Available Online: 2011-07-05

Abstract: Wave function is important for determining decay constants f_{D_S^-} and f_D^-. Using the 5 types of D meson wave functions in the heavy quark limit, we studied the uncertainties of radiative pure-leptonic decays of D_S^-(D^-) mesons. The branching ratios are (1.025390—1.706812) × 10^-5 and (0.953498—1.576725) × 10^-6 for D_S^- and D^- decays, respectively, which are sensitive to the type of wave function.

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Uncertainty study of D_S^-(D^-)→γlν (l=e,μ) decays determined by wave function

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Uncertainty study of D_S^-(D^-)→γlν (l=e,μ) decays determined by wave function

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