Belle II Document Server 5 records found  Search took 0.05 seconds. 
1. Study of Sudden Beam Losses of SuperKEKB and Development of 3D Track Hardware Trigger using Machine Learning at Belle II / Yuxin Liu ; Akimasa Ishikawa ; Taichiro Koga [BELLE2-MTHESIS-2023-037] Presented on 25 07 2023 MSc
2023
SOKENDAI / Tsukuba
The Belle II Experiment, located at the SuperKEKB asymmetric electron-positron collider in Japan, is at the next generation of B-factories, aiming to explore new physics (NP) in the flavor sector and enhance the precision of Standard Model (SM) measurements. [...]
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2. Recent Belle II results on semitauonic decays and tests of lepton-flavor universality / Taichiro Koga [BELLE2-TALK-DRAFT-2023-119] [BELLE2-TALK-CONF-2023-118]
21 August 2023
/ European Physical Society Conference on High Energy Physics
The observed rate of semitauonic B decays has been consistently above expectations since these decays were first measured. [...]
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3. $R(D^{*})$ measurement using the hadronic tag algorithm with $189~\mathrm{fb}^{-1}$ data at the Belle~II experiment / Kazuki Kojima ; Toru Iijima ; Qi-Dong Zhou ; Kodai Matsuoka ; et al [BELLE2-NOTE-PH-2022-032] [BELLE2-TALK-DRAFT-2023-035] [BELLE2-TALK-CONF-2023-024] 20 minutes (15 minutes presentation + 5 minutes Q&A); https://www.jps.or.jp/activities/meetings/past.php; https://kds.kek.jp/event/45609/
22 March 2023
/ The 2023 Spring Meeting of the Physical Society of Japan
In the semileptonic decay of 𝐵 mesons, the global average of $R(D^{*})$ measurement deviates from the Standard Model by more than $3\sigma$. [...]
Slide in Japanese: Download fulltextPDF;
4. $R(D^{*})$ measurement using the hadronic tag algorithm at the Belle II experiment / Kazuki Kojima ; Toru Iijima ; Qi-Dong Zhou ; Kodai Matsuoka ; et al [BELLE2-NOTE-PH-2022-032] [BELLE2-TALK-DRAFT-2022-137] [BELLE2-TALK-CONF-2022-111] 20 minutes (15 minutes presentation + 5 minutes Q&A) ; https://www.jps.or.jp/english/meetings-and-awards/autumn/autumn-meeting-index.html ; https://kds.kek.jp/event/43097/
06 September 2022
/ The 2022 Autumn Meeting of the Physical Society of Japan
In the semileptonic decay of $B$ mesons, the global average of $R(D^{*})$ measurement deviates from the Standard Model by $3.3\sigma$. [...]
Belle II Note: Download fulltextPDF; Slide in Japanese: Download fulltextPDF;
5. Recent Belle II results on the CKM parameters $|V_{cb}|$ and $|V_{ub}|$ / Taichiro Koga [BELLE2-TALK-DRAFT-2022-107] [BELLE2-TALK-CONF-2022-082]
06 July 2022
/ ICHEP 2022
emileptonic 𝐵 decays allow to determine the magnitudes of the CKM matrix parameters |𝑉𝑐𝑏| and |𝑉𝑢𝑏|, two fundamental parameters of the standard model flavor sector. [...]
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