ORCID Profile
0000-0002-2209-6969
Current Organisation
National Research University Higher School of Economics
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Publisher: American Physical Society (APS)
Date: 15-02-2023
Publisher: Elsevier BV
Date: 03-2023
Publisher: American Physical Society (APS)
Date: 14-02-2023
Publisher: Springer Science and Business Media LLC
Date: 06-2021
Abstract: We report the first measurement of the exclusive cross sections e + e − → $$ B\\overline{B} $$ B B ¯ , e + e − → $$ B{\\overline{B}}^{\\ast } $$ B B ¯ ∗ , and e + e − → $$ {B}^{\\ast }{\\overline{B}}^{\\ast } $$ B ∗ B ¯ ∗ in the energy range from 10 . 63 GeV to 11 . 02 GeV. The B mesons are fully reconstructed in a large number of hadronic final states and the three channels are identified using a beam-constrained-mass variable. The shapes of the exclusive cross sections show oscillatory behavior with several maxima and minima. The results are obtained using data collected by the Belle experiment at the KEKB asymmetric-energy e + e − collider.
Publisher: American Physical Society (APS)
Date: 21-02-2023
Publisher: American Physical Society (APS)
Date: 27-01-2023
Publisher: American Physical Society (APS)
Date: 23-03-2023
Publisher: Springer Science and Business Media LLC
Date: 21-08-2023
Abstract: We report the first measurement of the inclusive e + e − → $$ b\\overline{b} $$ b b ¯ → $$ {D}_s^{\\pm } $$ D s ± X and e + e − → $$ b\\overline{b} $$ b b ¯ → D 0 / $$ {\\overline{D}}^0 $$ D ¯ 0 X cross sections in the energy range from 10 . 63 to 11 . 02 GeV. Based on these results, we determine σ ( e + e − → $$ {B}_s^0{\\overline{B}}_s^0 $$ B s 0 B ¯ s 0 X ) and σ ( 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 be f s = ( $$ {22.0}_{-2.1}^{+2.0} $$ 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 → D 0 / $$ {\\overline{D}}^0 $$ 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-energy e + e − collider.
Publisher: American Physical Society (APS)
Date: 22-02-2021
Publisher: American Physical Society (APS)
Date: 07-03-2023
Location: No location found
Location: Russian Federation
No related grants have been discovered for Roman Mizuk.