Study of Ds±→μ±νμ at Belle

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B. Golob (for the Belle Collaboration). Study of Ds±→μ±νμ at Belle[J]. Chinese Physics C, 2008, 32(6): 495-498. doi: 10.1088/1674-1137/32/6/018
B. Golob (for the Belle Collaboration). Study of Ds±→μ±νμ at Belle[J]. Chinese Physics C, 2008, 32(6): 495-498.  doi: 10.1088/1674-1137/32/6/018 shu
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Received: 2008-01-19
Revised: 1900-01-01
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Study of Ds±→μ±νμ at Belle

  • Jozef Stefan Institute and Faculty of Mathematics and Physics, Univ. of Ljubljana, Ljubljana, Slovenia

Abstract: 

We present a preliminary measurement of the B(Ds→μνμ) with the Belle
experiment at the KEKB collider. We select Ds→μνμ decays with a method that provides a high-purity of the selected sample and an absolute measurement of the branching fraction. The results are based on a data sample of 550fb-1 and are compared to similar measurements by other experiments as well as to the predictions of LQCD. We conclude with short prospects for improvements in the accuracy of the measurement.

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