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View article: Radiation damage study of Belle II silicon strip sensors with 90 MeV electron irradiation
Radiation damage study of Belle II silicon strip sensors with 90 MeV electron irradiation Open
The silicon strip sensors of the Belle II silicon vertex detector were irradiated with 90 MeV electron beams up to an equivalent 1-MeV-neutron fluence of $3.0\times 10^{13}~{\rm n}_{\rm eq}/{\rm cm^2}$. We measure changes in sensor propert…
View article: Upgrade of the Belle II vertex detector with depleted monolithic CMOS active pixel sensors
Upgrade of the Belle II vertex detector with depleted monolithic CMOS active pixel sensors Open
International audience
View article: The Silicon Vertex Detector of the Belle II Experiment
The Silicon Vertex Detector of the Belle II Experiment Open
International audience
View article: Design of the OBELIX monolithic CMOS pixel sensor for the Belle II vertex detector upgrade
Design of the OBELIX monolithic CMOS pixel sensor for the Belle II vertex detector upgrade Open
Targeting a peak luminosity of 6 × 10 35 cm -2 s -1 , the Belle II experiment at the SuperKEKB in Japan is considering an upgrade of its interaction region. This upgrade involves the vertex detector, which will be replaced by a new fully p…
View article: The DMAPS upgrade of the Belle II Vertex Detector
The DMAPS upgrade of the Belle II Vertex Detector Open
International audience
View article: Reinstallation and performance of the Belle II Silicon Vertex Detector
Reinstallation and performance of the Belle II Silicon Vertex Detector Open
At the beginning of 2024, the data taking of the Belle II experiment resumed after the long-shutdown 1, required to install a new two-layer DEPFET detector (PXD) and upgrade accelerator components. The whole silicon tracker (VXD) was extra…
View article: The OBELIX chip for the Belle II VTX upgrade
The OBELIX chip for the Belle II VTX upgrade Open
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View article: Operational experience and performance of the Belle II silicon vertex detector after the first SuperKEKB long shutdown
Operational experience and performance of the Belle II silicon vertex detector after the first SuperKEKB long shutdown Open
The Belle II experiment searches for beyond-the-standard-model physics using the Belle II detector and SuperKEKB collider. The silicon vertex detector (SVD) is crucial for particle tracking. After the 1.5-year shutdown from June 2022, Run …
View article: The Silicon Vertex Detector of the Belle II Experiment
The Silicon Vertex Detector of the Belle II Experiment Open
International audience
View article: The DMAPS Upgrade of the Belle II Vertex Detector
The DMAPS Upgrade of the Belle II Vertex Detector Open
In order to profit from the increased luminosity provided by the SuperKEKB accelerator in the future, improvements should be brought to the current Belle II detector. The Belle II collaboration has thus proposed the upgrade of the current …
View article: Silicon vertex detector of the Belle II experiment
Silicon vertex detector of the Belle II experiment Open
The silicon vertex detector (SVD) is installed at the heart of the Belle II experiment, taking data at the high-luminosity B-Factory SuperKEKB since 2019. The SVD is a four-layer double-sided strip detector with tracking and particle-ident…
View article: Upgrade of Belle II vertex detector with CMOS pixel technology
Upgrade of Belle II vertex detector with CMOS pixel technology Open
The Belle II experiment at KEK in Japan considers upgrading its vertex detector system to address the challenges posed by high background levels caused by the increased luminosity of the SuperKEKB collider. One proposal for upgrading the v…
View article: Silicon Vertex Detector of the Belle II Experiment
Silicon Vertex Detector of the Belle II Experiment Open
The silicon vertex detector (SVD) is installed at the heart of the Belle II experiment, taking data at the high-luminosity $B$-Factory SuperKEKB since 2019. The detector has shown a stable and above-99\% hit efficiency, with a large signal…
View article: The Silicon Vertex Detector of the Belle II Experiment
The Silicon Vertex Detector of the Belle II Experiment Open
The Belle II experiment started taking data at the SuperKEKB collider in spring 2019. As part of\nthe inner tracker system, the silicon vertex detector (SVD) has been operating reliably. It provided\ngood data quality, a good signal-to-noi…
View article: Performance and running experience of the Belle II silicon vertex detector
Performance and running experience of the Belle II silicon vertex detector Open
The Belle II silicon vertex detector is one of the vertex detectors in the Belle II experiment. The detector reads out the signals from the double-sided silicon strip sensors with the APV25 front-end readout ASIC, adopting the chip-on-sens…
View article: The silicon vertex detector of the Belle II experiment
The silicon vertex detector of the Belle II experiment Open
In 2019 the Belle II experiment started data taking at the asymmetric SuperKEKB collider (KEK, Japan) operating at the Y(4S) resonance. Belle II will search for new physics beyond the standard model by collecting an integrated luminosity o…
View article: Snowmass White Paper: Belle II physics reach and plans for the next decade and beyond
Snowmass White Paper: Belle II physics reach and plans for the next decade and beyond Open
Belle II is an experiment operating at the intensity frontier. Over the next decades, it will record the decay of billions of bottom mesons, charm hadrons, and tau leptons produced in 10 GeV electron-positron collisions at the SuperKEKB hi…
View article: New Results from the Silicon Vertex Detector of the Belle II Experiment
New Results from the Silicon Vertex Detector of the Belle II Experiment Open
The Silicon Vertex Detector (SVD) consists of four layers of double-sided silicon strip sensors.\nThe SVD is one of the two vertex subdetectors within Belle II. Since the start of data taking in 2019\nat the Super-KEKB collider (KEK, Japan…
View article: Measurements of Beam Backgrounds in SuperKEKB Phase 2
Measurements of Beam Backgrounds in SuperKEKB Phase 2 Open
The high design luminosity of the SuperKEKB electron-positron collider will result in challenging levels of beam-induced backgro\ unds in the interaction region. Understanding and mitigating these backgrounds is critical to the success of …
View article: The Silicon Vertex Detector of the Belle II Experiment
The Silicon Vertex Detector of the Belle II Experiment Open
In 2019 the Belle II experiment started data taking at the asymmetric\nSuperKEKB collider (KEK, Japan) operating at the Y(4S) resonance. Belle II will\nsearch for new physics beyond the Standard Model by collecting an integrated\nluminosit…
View article: A Study of Hit-time Reconstruction of Belle II Silicon Vertex Detector
A Study of Hit-time Reconstruction of Belle II Silicon Vertex Detector Open
For stable operation of the Belle II Silicon Vertex Detector in the future high-luminosity operation of SuperKEKB, we plan to reduce readout data-samples per trigger and to apply hit-selection using hit-time. To realize this plan, we devel…
View article: Particle Identification in Belle II Silicon Vertex Detector
Particle Identification in Belle II Silicon Vertex Detector Open
We report a particle identification (PID) tool developed using energy-loss information in the silicon-strip vertex detector (SVD) of Belle II for charged pions, kaons, and protons using \\(D^{* + } \\to D^{0}[ \\to K^{ - }\\pi ^{ + }]\\pi …
View article: The Belle II Silicon Vertex Detector: Performance and Operational Experience in the First Year of Data Taking
The Belle II Silicon Vertex Detector: Performance and Operational Experience in the First Year of Data Taking Open
In spring 2019 the Belle II experiment at the high-luminosity SuperKEKB e+e− collider (KEK, Japan) has resumed operation after the installation of the new vertex detector. In the first period of operation SuperKEKB has already reached the …
View article: The Belle II Silicon Vertex Detector: Performance and Running Experience
The Belle II Silicon Vertex Detector: Performance and Running Experience Open
In spring 2019 the fully equipped Belle II experiment started data taking at the energy of the Y(4S) resonance. The new vertex detector (VXD) consists of two inner layers of DEPFET pixels (PXD) and four outer layers of double-sided silicon…