Belle II Document Server 1,974 records found  beginprevious1102 - 1111nextend  jump to record: Search took 0.00 seconds. 
1102. Measurement of $\gamma$ ($\phi_3$) at Belle II / Niharika Rout [BELLE2-TALK-DRAFT-2020-036] [BELLE2-TALK-CONF-2020-043]
28 July 2020
/ 40th International Conference on High Energy Physics
The CKM angle 𝛾 is the least well known of the angles of the unitarity triangle and the only one that is accessible with tree-level decays in a theoretically clean way [...]
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1103. 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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1104. 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 𝑉𝑒𝑏 and 𝑉𝑐𝑏 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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1105. 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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1106. 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
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1107. 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 𝑒+π‘’βˆ’ collider is a substantial upgrade of the B factory facility at the Japanese KEK laboratory. [...]
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1108. $\tau$ 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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1109. 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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1110. 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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1111. 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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