Belle II Document Server 53 records found  previous11 - 20nextend  jump to record: Search took 0.06 seconds. 
11. Belle II experiment sensitivity to the LFV decays tau -> l + alpha / The Belle II Collaboration [BELLE2-NOTE-PL-2021-010]
22 September 2021

We study the charged lepton flavor violating decay tau -> l alpha, where alpha is a non-standard invisible boson that leaves the Belle II detector undetected and l is either an electron or a muon [...]
12. Search for lepton flavor universality violation in leptonic tau decays with 1x1 and 3x1 topologies. / The Belle II Collaboration [BELLE2-NOTE-PL-2021-009]
07 September 2021

This public plot document presents MC sensitivity studies for the search for LFU violation in $\tau \rightarrow \ell \bar{\nu} \nu$ decays using 1x1 and 3x1 prong $\tau$-pair events..
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13. Proceeding on "Belle II Experiment: Status and Prospects" for DIS 2021 / Kavita Lalwani for Belle II Collaboration [BELLE2-CONF-PROC-2021-017] NA
08 August 2021

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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14. Rediscovery of $\Bz\to\jpsi\KL$ at Belle II / Belle II Collaboration [BELLE2-CONF-PH-2021-002]
23 June 2021

We present preliminary results on the reconstruction of the \bjpsikl decay, where $\jpsi\to\mumu$ or \epem. [...]
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15. Measurement of the branching fractions of B → η'K decays using 2019/2020 Belle II data / Belle II Collaboration [BELLE2-CONF-PH-2021-007]
13 April 2021

This note describes the rediscovery of B → η' K decays in Belle II data, both in the charged and neutral final state: B0 → η' KS and B± → η' K± . [...]
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16. Muon and electron identification efficiencies and hadron-lepton mis-identification rates at Belle II for Moriond 2021 / LeptonID group ; Belle II Collaboration [BELLE2-CONF-PH-2021-002] For Moriond 2021
25 March 2021

We present a collection of selected results on the performance of \belletwo in the identification of electrons and muons. [...]
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17. Observation of inclusive B→Xsγ decays in early Phase III data (untagged). / Belle II Collaboration [BELLE2-NOTE-PL-2021-004]
18 March 2021

This note contains a spectrum of b→(s,d)γ candidates selected in early Phase III data overlaid with expectations for continuum events and background BB events. [...]
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18. Hadronic B decays study using Belle II data sample of 62.8 fb−1 / The Belle II Collaboration [BELLE2-CONF-PROC-2021-012]
17 March 2021

We report measurements related to hadronic $B$ decays to final states that contain charm mesons. [...]
19. Approved plots: Preliminary analysis of $D^{*+} \rightarrow D^0 (\pi^+ \pi^- \pi^0) \pi^+$ / The Belle II Collaboration [BELLE2-NOTE-PL-2021-003]
14 March 2021

We construct $D^{*+} \rightarrow D^{0}(\pi^+\pi^-\pi^0)\pi^+$ decays in the Moriond 2021 dataset (72\invfb). [...]
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20. X(3872) rediscovery from B decay with 62.8 fb-1 of Phase 3 data at Belle II / The Belle II Collaboration [BELLE2-NOTE-PL-2021-002]
12 March 2021

The decay of B -> J/psi pi+ pi- K is studied using 62.8 fb-1 data collected at the Upsilon(4S) resonance. [...]
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