Belle II Document Server 32 records found  1 - 10nextend  jump to record: Search took 0.00 seconds. 
1. Hadronic B decays study using Belle II data sample of 62.8 fb−1 / The Belle II Collaboration [BELLE2-CONF-PROC-2021-012]
17 March 2021

We report measurements related to hadronic $B$ decays to final states that contain charm mesons. [...]
2. Approved plots: Preliminary analysis of $D^{*+} \rightarrow D^0 (\pi^+ \pi^- \pi^0) \pi^+$ / The Belle II Collaboration [BELLE2-NOTE-PL-2021-003]
14 March 2021

We construct $D^{*+} \rightarrow D^{0}(\pi^+\pi^-\pi^0)\pi^+$ decays in the Moriond 2021 dataset (72\invfb). [...]
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3. X(3872) rediscovery from B decay with 62.8 fb-1 of Phase 3 data at Belle II / The Belle II Collaboration [BELLE2-NOTE-PL-2021-002]
12 March 2021

The decay of B -> J/psi pi+ pi- K is studied using 62.8 fb-1 data collected at the Upsilon(4S) resonance. [...]
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4. Displaced vertex reconstruction at Belle II: approved plots / The Belle II Collaboration [BELLE2-NOTE-PL-2020-031]
11 December 2020

This note contains approved plots for displaced vertex reconstruction at Belle II, using an integrated luminosity of 72.05 fb. [...]
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5. Search for a long-lived scalar at Belle II: approved plots for Long-lived particles at Belle II Workshop / The Belle II collaboration [BELLE2-NOTE-PL-2020-030]
10 December 2020

Approved plots for the search for a long-lived scalar particle in b->s decays. [...]
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6. Search for Inelastic Dark Matter at Belle II: plots for approval for Long-lived particles at Belle II Workshop / The Belle II Collaboration [BELLE2-NOTE-PL-2020-029]
02 December 2020

Simulation results are presented for the ongoing analysis to search for inelastic Dark Matter (iDM) at Belle II. [...]
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7. Low-momentum charged hadron identification using SVD / The Belle II Collaboration [BELLE2-NOTE-PL-2020-028]
27 October 2020

We report a particle identification (PID) framework developed using energy loss information in the silicon-strip vertex detector (SVD) of Belle II for charged pions, kaons and protons using D∗+ -> D0[-> K pi+]pi+ and Lambda -> p pi- decay samples. [...]
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8. Upgrade of the vertex detector of the Belle II experiment / J.Baudot ; VXD Upgrade R&D Working Group of the Belle II collaboration [BELLE2-TALK-DRAFT-2020-052] [BELLE2-TALK-CONF-2020-070] 25' + 5'
10 September 2020
/ 10/06/2020
This talk will review the context of the proposed VXD upgrade in Belle II, providing some details of the existing technological proposals and discussing performance expectations from simulations..
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9. $\tau$ lepton mass measurement at Belle II / The Belle II Collaboration [BELLE2-CONF-PH-2020-010]
04 August 2020

The reconstruction of tau-pair production, $\epem \to \tau^{+}\tau^{-}$, from the subsequent 3-prong ($\tau^{+} \rightarrow \pi^{+} \pi^{-} \pi^{+} \bar{\nu}_{\tau}$) and 1-prong ($\tau^{-} \to \ell^{-} \bar{\nu}_{\ell} \nu_{\tau}$, $\tau^{-} \to h^{-} \nu_{\tau}$ or $\tau^{-} \to \pi^{-} \pi^0 \nu_{\tau}$) decays, is presented using 8.76~\invfb of $\epem $ collision data of {\belletwo} at the center-of-mass energy $\sqrt{s} = m_{\Upsilon(4S)}$ [...]
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10. Muon and electron identification efficiencies and hadron-lepton mis-identification probabilities / The Belle II collaboration [BELLE2-NOTE-PL-2020-027]
31 July 2020

In this note we show the performance of Belle II electron and muon identification, based on a combination of subdetector likelihoods. [...]
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