14.
| 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. [...]
Fulltext: PDF; |
15.
| 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. [...]
Fulltext: PDF; |
16.
| 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. [...]
Fulltext: PDF; |
17.
| 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. [...]
Fulltext: PDF; |
18.
| 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. [...]
Fulltext: PDF; |
19.
| 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..
Fulltext: PDF; |
20.
| $\tau$ 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 $\sqrt{s} = m_{\Upsilon(4S)}$ [...]
Fulltext: PDF; |
21.
| 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. [...]
Fulltext: PDF; |
22.
| Rediscovery of $B \to \phi K^{(*)}$ decays and measurement of the longitudinal polarization fraction $f_L$ in $B \to \phi K^{*}$ decays using the Summer 2020 Belle II dataset
/ The Belle II Collaboration
[BELLE2-CONF-PH-2020-006]
31 July 2020
We utilize a sample of 34.6\invfb, collected by the Belle II experiment at the SuperKEKB asymmetric energy \epem\ collider, to search for the $\Bp \to \phi \Kp$, $\Bp \to \phi \Kstarp$, $\Bz \to \phi \KS$, and $\Bz \to \phi \Kstarz$ decays [...]
Fulltext: PDF (additional files); |
23.
| Inclusive B → X_u e ν_e endpoint analysis: Approved plots for ICHEP2020
/ The Belle II Collaboration
[BELLE2-NOTE-PL-2020-026]
28 July 2020
This note contains the approved plots associated with the note BELLE2-NOTE-PH-2019-013. [...]
Fulltext: PDF; |