1105.
| Leptonic and semileptonic decays with taus at the Belle II experiment
/ Marco Milesi
[BELLE2-TALK-DRAFT-2020-037]
[BELLE2-TALK-CONF-2020-042]
28 July 2020
/ 40th International Conference on High Energy Physics
The lepton flavour universality predicted by the Standard Model is challenged by various measurements of b-hadron decays involving tau and light leptons. [...]
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1106.
| First results on $V_{ub}$ and $V_{cb}$ with Belle II
/ Racha Cheaib
[BELLE2-TALK-DRAFT-2020-040]
[BELLE2-TALK-CONF-2020-041]
28 July 2020
/ 40th International Conference on High Energy Physics
Precision measurements of ππ’π and πππ play a central role in precision tests of the CKM sector of the Standard Model and complement direct measurements of CP violation of B meson decays. [...]
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1107.
| First results and prospects for tau LFV decay tau ->e + alpha(invisible) at Belle II
/ Francesco Tenchini
[BELLE2-TALK-DRAFT-2020-042]
[BELLE2-TALK-CONF-2020-040]
28 July 2020
/ 40th International Conference on High Energy Physics
The Belle II experiment at SuperKEKB, an asymmetric e+e- collider, aims at a total integrated luminosity of 50 ab-1, to pursue a rich program of Standard Model and Beyond the Standard Model physics. [...]
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1108.
| CPV and CKM: Experimental Overview
/ Doris Kim
[BELLE2-TALK-DRAFT-2020-045]
[BELLE2-TALK-CONF-2020-039]
28 July 2020
/ 40th International Conference on High Energy Physics
NA
Fulltext: PDF; |
1109.
| Dark Sector first results at Belle II
/ Enrico Graziani
[BELLE2-TALK-DRAFT-2020-044]
[BELLE2-TALK-CONF-2020-038]
28 July 2020
/ 40th International Conference on High Energy Physics
The Belle II experiment at the SuperKEKB energy-asymmetric π+πβ collider is a substantial upgrade of the B factory facility at the Japanese KEK laboratory. [...]
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1110.
| $\tau$ lepton mass measurement at Belle II
/ The Belle II Collaboration
[BELLE2-CONF-PH-2020-010]
04 August 2020
The reconstruction of tau-pair production, $\epem \to \tau^{+}\tau^{-}$, from the subsequent 3-prong ($\tau^{+} \rightarrow \pi^{+} \pi^{-} \pi^{+} \bar{\nu}_{\tau}$) and 1-prong ($\tau^{-} \to \ell^{-} \bar{\nu}_{\ell} \nu_{\tau}$, $\tau^{-} \to h^{-} \nu_{\tau}$ or $\tau^{-} \to \pi^{-} \pi^0 \nu_{\tau}$) decays, is presented using 8.76~\invfb of $\epem $ collision data of {\belletwo} at the center-of-mass energy $\sqrt{s} = m_{\Upsilon(4S)}$ [...]
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1111.
| Belle II RAW data management: The Online-Offline data transfer system
/ Matthew Barrett ; Takanori Hara ; Michel HernΓ‘ndez Villanueva ; Kunxian Huang ; et al
[BELLE2-TALK-DRAFT-2020-050]
[BELLE2-TALK-CONF-2020-037]
15 + 5 minutes.
30 July 2020
/ ICHEP2020
Data collection at the Belle II experiment started in the spring of 2019. [...]
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1112.
| Dark Sector Searches at Belle II
/ Michel Bertemes
[BELLE2-CONF-PROC-2020-012]
31 July 2020
The Belle II experiment at the SuperKEKB energy-asymmetric $e^+ e^-$ collider is a substantial upgrade of the B factory facility at the Japanese KEK laboratory. [...]
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1113.
| Muon and electron identification efficiencies and hadron-lepton mis-identification probabilities
/ The Belle II collaboration
[BELLE2-NOTE-PL-2020-027]
31 July 2020
In this note we show the performance of Belle II electron and muon identification, based on a combination of subdetector likelihoods. [...]
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1114.
| Rediscovery of $B \to \phi K^{(*)}$ decays and measurement of the longitudinal polarization fraction $f_L$ in $B \to \phi K^{*}$ decays using the Summer 2020 Belle II dataset
/ The Belle II Collaboration
[BELLE2-CONF-PH-2020-006]
31 July 2020
We utilize a sample of 34.6\invfb, collected by the Belle II experiment at the SuperKEKB asymmetric energy \epem\ collider, to search for the $\Bp \to \phi \Kp$, $\Bp \to \phi \Kstarp$, $\Bz \to \phi \KS$, and $\Bz \to \phi \Kstarz$ decays [...]
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