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Belle II: status and prospectsPublic
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. The target luminosity of the machine is 6×1035 cm−2s−1 and the Belle II experiment aims to record 50 ab−1 of data, a factor of 50 more than its predecessor. With this data set, Belle II will be… |
BELLE2-TALK-CONF-2021-123 | - | 2021-09-20 |
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Measurement of the data to MC ratio of photon reconstruction efficiency of the Belle II calorimeter using radiative muon pair eventsPublic
This note presents photon detection efficiency data-to-simulation ratio distributions in the barrel region of the electromagnetic calorimeter of the Belle II detector at the SuperKEKB asymmetric energy electron-positron collider. They are computed using 71.2 fb−1 of experimental data collected by the Belle II detector and the official Belle II Mon… |
BELLE2-NOTE-PL-2021-008 | - | 2021-09-17 |
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B PhysicsPublic
B Physics |
BELLE2-TALK-CONF-2021-122 | - | 2021-09-14 |
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B-flavor tagging at Belle IIPublic
We report on new flavor-tagging algorithms developed to determine the quark-flavor content of bottom (B) mesons at Belle II. The algorithms provide essential inputs for measurements of quark-flavor mixing and charge-parity violation. We validate and evaluate the performance of the algorithms using hadronic B decays with flavor-specific final stat… |
BELLE2-PUB-TE-2021-002 | - | 2021-09-14 |
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Hot topic: D mesons lifetimes at Belle IIPublic
Hot topic: D mesons lifetimes at Belle II |
BELLE2-TALK-CONF-2021-120 | - | 2021-09-13 |
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Results and prospects for LFV in tau decay at Belle and Belle IIPublic
Results and prospects for LFV in tau decay at Belle and Belle II |
BELLE2-TALK-CONF-2021-119 | - | 2021-09-13 |
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Dark sector physics at Belle IIPublic
The Belle II experiment at the asymmetric 𝑒+𝑒− collider, SuperKEKB, is a substantial upgrade of the Belle/KEKB experiment. Belle II aims to record 50 ab−1 of data over the course of the project. During the first physics runs in 2018-2020, around 100 fb−1 of data were collected. These early data include specifically-designed low-multiplicity trigge… |
BELLE2-TALK-CONF-2021-121 | - | 2021-09-13 |
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Status and prospects for rare decays at Belle IIPublic
Status and prospects for rare decays at Belle II |
BELLE2-TALK-CONF-2021-117 | - | 2021-09-13 |
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Belle II status and prospects for semileptonic decaysPublic
Belle II status and prospects for semileptonic decays |
BELLE2-TALK-CONF-2021-118 | - | 2021-09-13 |
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Rediscovery of $X(3872)$ at Belle II ExperimentPublic
The Belle II experiment has accumulated data corresponding to $89.99~{\rm fb}^{-1}$ integrated luminosity in the past 2 years, and is performing very good. Waiting that the full planned data set will be recorded $(50~{\rm ab}^{-1})$, which will allow search for rare processes and will have a tremendous impact in the spectroscopy field, the Phase 3… |
BELLE2-CONF-PROC-2021-020 | - | 2021-09-12 |
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The Silicon Vertex Detector of the Belle II Experiment Public
Since the start of data taking in spring 2019 at the Super-KEKB collider (KEK, Japan) the Silicon Vertex Detector (SVD) has been operated reliably and with high efficiency, providing high-quality data: high signal-to-noise ratio and hit efficiency, as well precise spatial resolution and stability over time allowed to achieve good tracking efficien… |
BELLE2-TALK-CONF-2021-091 | - | 2021-09-10 |
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From Belle to Belle II (and beyond) [Challenges for Belle II in the "Anomaly Era"Public
I provide a historical perspective on the successes, technical problems of Belle and KEKB before discussing the current luminosity world-records of SuperKEKB and the prospect of resolving its current problems. I look ahead to Belle II and SuperKEKB upgrades and the plans for Belle II/SuperKEKB Snowmass White Papers. |
BELLE2-TALK-CONF-2021-090 | - | 2021-09-09 |
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Exclusive $B \to X_u \ell \nu_\ell$ Decays with Hadronic Full-event-interpretation Tagging in 62.8\invfb of Belle II DataPublic
We present a reconstruction in early data of the semileptonic decay $B^+ \to \pi^0 \ell^+ \nu_\ell$, and first results of a reconstruction of the decays $B^+ \to \rho^0 \ell^+ \nu_\ell$ and $B^0 \to \rho^- \ell^+ \nu_\ell$ in a sample corresponding to 62.8\invfb of Belle II data using hadronic $B$-tagging via the full-event-interpretation algorith… |
BELLE2-CONF-PH-2021-013 | - | 2021-09-09 |
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Overview of tau physics at Belle IIPublic
Overview of tau physics at Belle II |
BELLE2-TALK-CONF-2021-137 | - | 2021-09-08 |
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Charm status and prospects at Belle IIPublic
The Belle II experiment started collecting data in summer 2018 and since then more than 175$\invfb$ of integrated luminosity has been collected. With limited statistics, current charm measurements are focused on re-discoveries, reconstruction, and detector performance. In this proceeding, we present the current status and prospects of the charm me… |
BELLE2-CONF-PROC-2021-019 | - | 2021-09-07 | |
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Belle II:Status and ProspectsPublic
We present the status and results of the Belle II experiment. The main topic of the slides is the most recent status of the Belle II physics data analyses. The physics analyses included in the slides are: measurement of the UT interior angles, reconstruction of B -> Charm, reconstruction of B -> Charmless (Kpi puzzle), measurement of the CKM matri… |
BELLE2-TALK-CONF-2021-089 | - | 2021-09-07 |
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Search for lepton flavor universality violation in leptonic tau decays with 1x1 and 3x1 topologies.Public
This public plot document presents MC sensitivity studies for the search for LFU violation in $\tau \rightarrow \ell \bar{\nu} \nu$ decays using 1x1 and 3x1 prong $\tau$-pair events. |
BELLE2-NOTE-PL-2021-009 | - | 2021-09-07 |
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b->c tau nu Belle II prospectsPublic
This contribution summarizes existing measurements of processes mediated by b->c tau nu, with the focus on the R(D(*)). Belle II prospects on this topic are also presented. |
BELLE2-TALK-CONF-2021-095 | - | 2021-09-06 |
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b->sll` (LFV) at Belle and Belle IIPublic
This talk provides an overview of the searches of lepton-flavor violating b->sll` processes. Belle results and Belle II prospects are presented. |
BELLE2-TALK-CONF-2021-094 | - | 2021-09-06 |
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b->snunu at Belle IIPublic
This contribution illustrates a new search for the flavor-changing neutral-current decay B+→K+νν performed by the Belle II experiment at the SuperKEKB asymmetric-energy electron-positron collider. In this study, a sample corresponding to an integrated luminosity of 63 fb-1 collected at the Υ(4S) resonance and an additional sample of 9 fb-1 collect… |
BELLE2-TALK-CONF-2021-136 | - | 2021-09-06 |
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