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Creators/Authors contains: "Garmash, A"

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  1. A<sc>bstract</sc> We report the first measurement of the inclusivee+e→$$ b\overline{b} $$ b b ¯ →$$ {D}_s^{\pm } $$ D s ± Xande+e→$$ b\overline{b} $$ b b ¯ → D0/$$ {\overline{D}}^0 $$ D ¯ 0 Xcross sections in the energy range from 10.63 to 11.02 GeV. Based on these results, we determineσ(e+e→$$ {B}_s^0{\overline{B}}_s^0 $$ B s 0 B ¯ s 0 X) andσ(e+e→$$ B\overline{B} $$ B B ¯ X) in the same energy range. We measure the fraction of$$ {B}_s^0 $$ B s 0 events at Υ(10860) to befs= ($$ {22.0}_{-2.1}^{+2.0} $$ 22.0 2.1 + 2.0 )%. We determine also the ratio of the$$ {B}_s^0 $$ B s 0 inclusive branching fractions$$ \mathcal{B} $$ B ($$ {B}_s^0 $$ B s 0 → D0/$$ {\overline{D}}^0 $$ D ¯ 0 X)/$$ \mathcal{B} $$ B ($$ {B}_s^0 $$ B s 0 →$$ {D}_s^{\pm } $$ D s ± X) = 0.416 ± 0.018 ± 0.092. The results are obtained using the data collected with the Belle detector at the KEKB asymmetric-energye+ecollider. 
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