Belle II Document Server 56 records found  previous11 - 20nextend  jump to record: Search took 0.00 seconds. 
11. Study of photon energy bias using π0 → γγ decays from D∗+ → D0(→ K−π+π0)π+ / The Belle II Collaboration [BELLE2-NOTE-PL-2022-002]
30 March 2022

We reconstruct clean samples of π0 → γγ decays from the D∗+ → D0(→ K−π+π0)π+ decay chain in both data and simulation to study the bias in the reconstructed π0 mass. [...]
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12. Muon and electron identification efficiencies and hadron-lepton mis-identification rates at Belle II for Moriond 2022 / Charged PID Group ; The Belle II Collaboration [BELLE2-CONF-PH-2022-003]
09 March 2022

We present a collection of selected results on the performance of Belle II in the identification of electrons and muons. [...]
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13. Belle II experiment sensitivity to the LFV decay tau -> l + alpha / The Belle II Collaboration [BELLE2-NOTE-PL-2021-011]
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 [...]
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14. 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 [...]
15. 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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16. 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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17. 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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18. 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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19. 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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20. 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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