Belle II Document Server 2,014 records found  beginprevious877 - 886nextend  jump to record: Search took 0.00 seconds. 
877. 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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878. Tagged Analysis of $B^0\to\pi^-\ell^+\nu_\ell$ at Belle / Jonathan Wolfgang Grumke ; Jochen Dingfelder ; Peter Lewis [BELLE2-MTHESIS-2021-075] Presented on 25 08 2021 MSc
2021
Physikalisches Institut / Bonn
Using the FEI algorithm with simulated data for hadronic tagging in the reconstruction of $B^0\to\pi^-\ell^+\nu_\ell$ results in a signal yield of $626\pm 39$ when applying the same selections as Sibidanov et al., who used the FR algorithm and obtained a signal yield of $463\pm 28$. [...]
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879. Investigation of B → µ ν_µ with Inclusive Tagging at Belle II / Daniel Jacobi ; Prof. Dr. Jochen Dingfelder ; Dr. Peter Lewis ; Svenja Katharina Granderath [BELLE2-MTHESIS-2021-074] Presented on 25 08 2021 MSc
2021
Physikalisches Institut / Bonn
In this thesis the rare $B \to \mu \nu_{\mu}$ decay was investigated using the inclusive tagging approach. [...]
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880. Precise measurements of the D meson lifetimes at Belle II / Nisar Nellikunnummel [BELLE2-TALK-DRAFT-2021-129] [BELLE2-TALK-CONF-2021-088] 12+3 minutes
02 September 2021
/ PANIC2021
This talk presents the results of D0 and D+ lifetimes using early Belle II data
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881. First Conceptual Design and Studies for a Tracking Time Projection Chamber for the Belle II Experiment / Andreas Löschcke Centeno ; Jochen Dingfelder ; Peter Lewis [BELLE2-MTHESIS-2021-073] Presented on 30 08 2021 MSc
2021
Physikalisches Institut / Bonn
This thesis deals with simulating a tracking time projection chamber (TPC) for the \Btwo experiment at the SuperKEKB accelerator and using the simulation for first studies. [...]
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882. Belle II status and prospects / Yoshiyuki Onuki (On behalf of the Belle II Collaboration) [BELLE2-CONF-PROC-2021-018] Submission deadline is 4-Sep.
28 August 2021

The Belle II experiment at the SuperKEKB accelerator is the upgraded successor of the $B$-factory, the Belle experiment and KEKB accelerator [...]
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883. Punzi-loss, a non-differentiable metric approximation for sensitivity optimization in the search for new particles / P. Feichtinger ; H. Haigh ; G. Inguglia ; J. Kahn [BELLE2-PUB-TE-2021-001]
25 August 2021

We present the novel implementation of a non-differentiable metric approximation and a corresponding loss-scheduling aimed at the search for new particles of unknown mass in high energy physics experiments. [...]
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884. Searches for an invisible Z' and for the dark Higgsstrahlung A'h' process in μ⁺μ⁻ plus missing energy final states at Belle II / Marcello Campajola ; Guglielmo De Nardo ; Francesco Di Capua [BELLE2-PTHESIS-2021-016] Presented on 24 06 2021 PhD
2021
Università di Napoli "Federico II" / Napoli (IT)
The work presented in this thesis concerns two searches for dark sector mediators in $e^+e^-$ annihilations at the center-of-mass energy of 10.58~GeV with the Belle II experiment [...]
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885. Latest results on beauty and charm hadron decay at Belle II / Eiasha Waheed [BELLE2-TALK-CONF-2021-086] 20 mins
19 August 2021
/ Lomonosov2021
Latest results on beauty and Charm hadrons
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886. Measurement of the data to MC ratio of photon reconstruction efficiency of the Belle II calorimeter using radiative muon pair events / Henrikas Svidras ; Markus Röhrken ; Simon Wehle ; Kerstin Tackmann [BELLE2-NOTE-TE-2020-026] [BELLE2-NOTE-PL-2021-008]
17 September 2021

This note presents photon detection efficiency data-to-simulation ratio distributions in the barrel region of the electromagnetic calorimeter of the Belle II detector at the SuperKEKB asymmetric energy electron-positron collider. [...]
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