Belle II Document Server 12 records found  1 - 10next  jump to record: Search took 0.04 seconds. 
1. Development of FastBDT Classifiers to Suppress Beam Background Clusters and Fake Photons / Priyanka Cheema ; Racha Cheaib ; Bruce Yabsley ; Chia-Ling Hsu ; et al [BELLE2-NOTE-PL-2023-003]
21 April 2023

We present an overview of the methodology used to develop FastBDT classifiers that suppress beam background clusters and fake photons, with the aim of using these classifiers to improve the signal-background separation power of the residual calorimeter energy E_ECL. [...]
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2. Overview of R(D) and R(D*) at FPCP / Racha Cheaib [BELLE2-CONF-PROC-2022-014]
26 August 2022

In this talk, an overview of the latest $R(D^{(*)}$ measurements performed at the Belle and LHCb experiments is presented [...]
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3. Experimental review of R(D) and R(D*) / Racha Cheaib [BELLE2-TALK-CONF-2022-048]
23 May 2022
/ The 2022 Conference on Flavor Physics and CP Violation
Experimental review of R(D) and R(D*)
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4. Experimental Review of R(D) and R(D*) / Racha Cheaib [BELLE2-TALK-CONF-2022-043] 25+5
23 May 2022
/ FPCP
An experimental overview of R(D) and R(D*) including results from Belle and LHCb and prospects from Belle II [...]
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5. Semileptonic and leptonic decays with tau at the Belle II experiment / Racha Cheaib [BELLE2-CONF-PROC-2022-005]
28 February 2022

Semileptonic and leptonic decays with $\tau$ are a stringent test of the Standard Model and an excellent probe for new physics. [...]
Fulltext: BELLE2-CONF-PROC-2022-005 - Download fulltextPDF; CKM_Racha_Proceedings-2 - Download fulltextPDF;
6. A new Software Training Model at Belle II / Kilian Lieret ; Alejandro Mora ; Moritz Bauer ; Michel Bertemes ; et al [BELLE2-POSTER-CONF-2021-003]
24 November 2021
/ ACAT 2021
The physics output of modern experimental HEP collaborations hinges not only on the quality of its software but also on the ability of the collaborators to make the best possible use of it. [...]
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7. Semi-leptonic decays with tau at Belle II / Racha Cheaib [BELLE2-TALK-CONF-2021-135] 20 + 5
17 November 2021
/ CKM
Prospects of semi-leptonic decays with taus are discussed in this talk, with a focus on R(D) and R(D*), $B \rightarrow X\tau \nu$, and $\B \rightarrow \tau \nu $ [...]
8. First Results on $V_{ub}$ and $V_{cb}$ with the Belle II experiment / Racha Cheaib [BELLE2-CONF-PROC-2020-020]
03 December 2020

Precision measurements of $V_{ub}$ and $V_{cb}$ play a central role in tests of the CKM sector of the Standard Model and complement direct measurements of CP violation in B meson decays. [...]
Fulltext: FinalVersion - Download fulltextPDF; BELLE2-CONF-PROC-2020-020 - Download fulltextPDF;
9. Measurement of the semileptonic $\bar{B^0} \rightarrow D^{*} \ell \nu_{\ell}$ branching fraction with fully reconstructed $B$ meson decays and 34.6 fb$^{-1}$ of Belle~II data / Kyle Amirie ; Florian Bernlochner ; Racha Cheaib ; Michael Eliachevitch ; et al [BELLE2-CONF-PH-2020-009]
25 August 2020

We present a first measurement of the $\bar{B^0} \rightarrow D^{*} \ell \nu_{\ell}$ branching fraction using fully reconstructed $B$ meson decays employing the Full Event Interpretation algorithm [...]
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10. First results on $V_{ub}$ and $V_{cb}$ with Belle II / Racha Cheaib [BELLE2-TALK-DRAFT-2020-040] [BELLE2-TALK-CONF-2020-041]
28 July 2020
/ 40th International Conference on High Energy Physics
Precision measurements of 𝑉𝑢𝑏 and 𝑉𝑐𝑏 play a central role in precision tests of the CKM sector of the Standard Model and complement direct measurements of CP violation of B meson decays. [...]
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