Proceedings

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2020-06-17
10:10
Performance of Belle II tracking on collision data / Simon Kurz [BELLE2-CONF-PROC-2020-009]
11 June 2020

The tracking system of Belle II consists of a silicon vertex detector (VXD) and a cylindrical drift chamber (CDC), both operating in a magnetic field created by the main solenoid of 1.5 T and final focusing magnets. [...]
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2020-04-22
16:40
Background evaluation at SuperKEKB and Belle II / Antonio Paladino [BELLE2-CONF-PROC-2020-008]
22 April 2020

The SuperKEKB asymmetric electron-positron collider is the upgrade of the KEKB machine and it is expected to achieve the instantaneous luminosity of $8times10^{35}$ cm$^{-2}$s$^{-1}$, 40 times higher than the record of KEKB. [...]
Fulltext: BELLE2-CONF-PROC-2020-008 - Download fulltextPDF; BELLE2-CONF-PROC-2020-008_submitted - Download fulltextPDF; BELLE2-CONF-PROC-2020-008_v2 - Download fulltextPDF;
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2020-03-13
21:54
Belle2VR: An Interactive Virtual Reality Visualization of GEANT4 Event Histories / Leo Piilonen [BELLE2-CONF-PROC-2020-007]
13 March 2020

Belle2VR is a novel interactive virtual reality visualization of the Belle II detector at KEK and the animation therein of GEANT4-simulated event histories. [...]
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2020-03-05
13:01
Selective background Monte Carlo simulation at Belle II / James Kahn ; Thomas Kuhr ; Martin Ritter [BELLE2-CONF-DRAFT-2019-010] [BELLE2-CONF-PROC-2020-006]
05 March 2020

The Belle II experiment, beginning data taking with the full detector in early 2019, is expected to produce a volume of data fifty times that of its predecessor. [...]
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2020-02-24
06:23
Lepton identification in Belle II using observables from the electromagnetic calorimeter and precision trackers / Marco Milesi ; Justin Tan2 ; Phillip Urquijo [BELLE2-CONF-PROC-2020-005]
24 February 2020

We present a major overhaul to lepton identification for the Belle II experiment, based on a novel multi-variate classification algorithm. [...]
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2020-02-10
12:00
The MPI Concept of Time-Dependent Fits at Belle II / Vladimir Chekelian [BELLE2-CONF-PROC-2020-004] Talk given at the xFitter Workshop, Minsk, 18-20 March 2019, https://indico.desy.de/indico/event/22011/overview
20 March 2019

A new concept of time-dependent fits is proposed for the Belle II experiment at the SuperKEKB [...]
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2020-01-31
00:07
Performance of High-Level Reconstruction at Belle II / Francesco Tenchini [BELLE2-CONF-PROC-2020-003]
30 January 2020

Belle II is a new $B$ factory located at the SuperKEKB electron-positron collider in Tsukuba, Japan, which started operation with a full detector configuration in spring 2019. [...]
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2020-01-27
14:40
First Look at the Time-Dependent $CP$ Violation Using Early Belle II Data / Vladimir Chekelian [BELLE2-CONF-PROC-2020-002]
27 January 2020

The Belle~II experiment at the SuperKEKB energy-asymmetric $e^+ e^-$ collider started the first physics run in March 2019 at a center of mass energy corresponding to the mass of the $\Upsilon(4S)$. [...]
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2020-01-22
16:14
Hadronic B decay reconstruction in early Belle II data / Eldar Ganiev ; Niharika Rout ; Benedikt Wach [BELLE2-CONF-PROC-2020-001]
22 January 2020

Belle II is an experiment designed to study billions of $\tau$-lepton, $b$- and $c$-quark decays observed with low background in asymmetric-energy electron-positron collisions at the SuperKEKB $B$-factory. [...]
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2019-12-24
05:50
The Belle II experiment Status and Prospects / Kunxian Huang [BELLE2-CONF-PROC-2019-019] Proceedings for NuFact 2019 talk at parallel session
24 December 2019

The Belle II experiment at the SuperKEKB energy-asymmetric $e^{+}e^{-}$ collider is a substantial upgrade of the B factory facility at the Japanese KEK laboratory [...]
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