Belle II Document Server 237 records found  1 - 10nextend  jump to record: Search took 0.01 seconds. 
1. 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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2. 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 [...]
3. B-flavor tagging at Belle II / Fernando Abudinen ; Colm Murphy ; Takeo Higuchi [BELLE2-PUB-TE-2021-002]
14 September 2021

We report on new flavor-tagging algorithms developed to determine the quark-flavor content of bottom (B) mesons at Belle II. [...]
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4. Rediscovery of $X(3872)$ at Belle II Experiment / Youngmin Yook [BELLE2-CONF-PROC-2021-020]
12 September 2021

The Belle II experiment has accumulated data corresponding to $89.99~{\rm fb}^{-1}$ integrated luminosity in the past 2 years, and is performing very good. [...]
Fulltext: BELLE2-CONF-PROC-2021-020-r2 - Download fulltextPDF; BELLE2-CONF-PROC-2021-020-r1 - Download fulltextPDF; BELLE2-CONF-PROC-2021-020 - Download fulltextPDF;
5. From Belle to Belle II (and beyond) [Challenges for Belle II in the "Anomaly Era" / Tom Browder (University of Hawai'i) [BELLE2-TALK-CONF-2021-090] 30 minutes, Talk commissioned by Dr Gianluca Inguglia for the closeout of the workshop.
09 September 2021
/ Anomalies and Precision in the Belle II Era
I provide a historical perspective on the successes, technical problems of Belle and KEKB before discussing the current luminosity world-records of SuperKEKB and the prospect of resolving its current problems. [...]
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6. Exclusive $B \to X_u \ell \nu_\ell$ Decays with Hadronic Full-event-interpretation Tagging in 62.8\invfb of Belle II Data / Moritz Bauer ; Pablo Goldenzweig ; Nadia Toutounji ; Kevin Varvell [BELLE2-CONF-PH-2021-013]
09 September 2021

We present a reconstruction in early data of the semileptonic decay $B^+ \to \pi^0 \ell^+ \nu_\ell$, and first results of a reconstruction of the decays $B^+ \to \rho^0 \ell^+ \nu_\ell$ and $B^0 \to \rho^- \ell^+ \nu_\ell$ in a sample corresponding to 62.8\invfb of Belle II data using hadronic $B$-tagging via the full-event-interpretation algorithm. [...]
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7. Charm status and prospects at Belle II / Jitendra Kumar [BELLE2-CONF-PROC-2021-019] Proceeding for charm 2020 (remotely in 2021) conference.
07 September 2021

The Belle II experiment started collecting data in summer 2018 and since then more than 175$\invfb$ of integrated luminosity has been collected. [...]
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8. Belle II:Status and Prospects / Takeo Higuchi [BELLE2-TALK-DRAFT-2021-126] [BELLE2-TALK-CONF-2021-089] 30 minutes
07 September 2021
/ PANIC 2021
We present the status and results of the Belle II experiment. [...]
Fulltext: PANIC2021.20210907 - Download fulltextPDF; BELLE2-TALK-CONF-2021-089 - Download fulltextPDF;
9. 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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10. 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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