Belle II Document Server 37 records found  beginprevious26 - 35next  jump to record: Search took 0.04 seconds. 
26. D_{s}^{+} reconstruction plots / The Belle II Collaboration ; [BELLE2-NOTE-PL-2020-016]
25 June 2020

This document contains the Ds+ mass plots reconstructed in the decays to the following final states: phi[K+K-]pi, anti-K*[K-pi+]K+, Ks0[pi+pi-]K+ [...]
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27. L1 trigger efficiencies for e+e− -> tau+tau- events / The Belle II Collaboration [BELLE2-NOTE-PL-2020-015]
24 July 2020

The Level 1 trigger efficiency has been studied in τ-pair events. [...]
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28. Measurement of the tracking efficiency and fake rate with e+e- -> tau+tau- events / The Belle II Collaboration [BELLE2-NOTE-PL-2020-014]
24 July 2020

The tracking efficiency and fake rate have been measured using e+e− → τ+τ− events, where one tau lepton decays leptonically (τ → l±ν ν ̄ , l = e, μ) while the other decays hadronically into three charged pions (τ → 3π±ντ + nπ0). [...]
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29. Search for Dark Higgsstrahlung in $e^+e^- \rightarrow \mumu$ and missing energy final states with the Belle II experiment. / The Belle II Collaboration [BELLE2-NOTE-PL-2020-013]
23 July 2020

This note contains the approved plots associated with the Dark Higgstrahlung analysis work presented in BELLE2-NOTE-PH-2020-048..
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30. Search for an invisible Z' in e+ e- -> mu+ mu- + missing energy final states in early phase 3 data / The Belle II Collaboration [BELLE2-NOTE-PL-2020-012]
23 July 2020

This note presents plots associated with the search for an invisible $Z^{\prime}$ in $e^+ e^- \rightarrow \mu^+ \mu^-$ + missing energy final states targeting early phase 3 data. [...]
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31. Prompt measurements of time-dependent CP-violation and mixing / The Belle II Collaboration [BELLE2-NOTE-PL-2020-011]
23 July 2020

This document contains public results relative to mixing and time dependent CP violation using $34.6\;{\rm fb}^{-1}$ of data collected in 2019 and 2020..
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32. Rediscovery of $D^0\to\K^0_S\pi^+\pi^-$ decays in early Belle II data / The Belle II Collaboration [BELLE2-NOTE-PL-2020-010]
23 July 2020

This note presents plots for rediscovery of the $D^{*+}\to D^0\pi^+$, $D^0\to\K^0_S\pi^+\pi^-$ decays, using the data collected by Belle II during 2019, which correspond to 9.6\fb^{-1} of integrated luminosity [...]
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33. Trigger efficiencies for single photon events / The Belle II collaboration [BELLE2-NOTE-PL-2020-009]
22 July 2020

The search for invisible decays of the dark photon A′ is enabled by dedicated single photon triggers. [...]
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34. $D^0$ Lifetime Plots with 2019 Data / The Belle II Collaboration ; Angelo Di Canto ; Giulia Casarosa [BELLE2-NOTE-PL-2020-008] details of the analysis in B2NOTE-PH-2020-033
24 July 2020

Preliminary plots of the D0 lifetime for the D0 → K−π+, D0 → K−π+π0 and D0 → K−π+π+π− decays reconstructed in the data collected by Belle II during 2019, corresponding to 9.6 fb−1 of integrated luminosity. [...]
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35. Approved plots of B -> X_s l+ l- study with MC simulation / The Belle II Collaboration [BELLE2-NOTE-PL-2020-007]
20 July 2020

This note contains approved plots of $B \to X_s \ellell$ process with MC simulation. [...]
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