| Title▼ | Belle II Number▼ | Tags | Submit date▼ | Downloads |
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Precise measurement of the tau-lepton mass at Belle IIPublic
The low-background environment of electron-positron collisions along with the large expected sample size and a hermetic detector make Belle II a premier experiment for studying tau-lepton physics. This talk presents recent world-leading results from Belle II determinations of the tau lepton mass. |
BELLE2-TALK-CONF-2023-198 | - | 2023-12-04 |
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Quark Flavor Physics Experiments: CP ViolationPublic
Review for experimental results on CP violation from Belle II and LHCb |
BELLE2-TALK-CONF-2023-176 | - | 2023-11-29 |
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"New LFV results from e^+e^- collidersPublic
Various physics models, such as supersymmetry, two-Higgs doublet, leptoquark, etc., predict the branching fractions for LFV decay modes, which can be observed in the high luminosity modern experiment. Any observation of such decay is the direct evidence for the new physics. We present the recent lepton flavor-violating results from the Belle, Bell… |
BELLE2-TALK-CONF-2023-175 | - | 2023-11-29 |
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Tau results from Belle IIPublic
Tau results from Belle II |
BELLE2-TALK-CONF-2023-190 | - | 2023-11-28 |
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CP violation in charmless B decaysPublic
We present recent results from the Belle II related to phi2 determination and isospin sum rule, and recent LHCb results on the CPV in charmless three-body decays. |
BELLE2-TALK-CONF-2023-180 | - | 2023-11-28 |
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Rare decays at Belle and Belle IIPublic
:This talk summarizes the recent results from Belle and Belle II focusing on the b->s(d) quark |
BELLE2-TALK-CONF-2023-185 | - | 2023-11-28 |
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Time-dependent CP violation in the B0 decaysPublic
This talk summarizes some of the recent results on time-dependent CP violation in B0 decays by Belle II and LHCb experiments. |
BELLE2-TALK-CONF-2023-184 | - | 2023-11-28 |
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Search for B ---> K nu nu-bar decays at Belle IIPublic
Search for B ---> K nu nu-bar decays at Belle II |
BELLE2-TALK-CONF-2023-183 | - | 2023-11-28 |
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Spectroscopy results from Belle IIPublic
Recent discoveries and interprets exotic multiquark-bound states to probe the fundamentals of QCD at the Belle II experiment. The results are on a unique data set collected at energies higher than Υ(4S), including searches for the hidden bottom transition between Υ(10750) and \chi_{bJ}. |
BELLE2-TALK-CONF-2023-182 | - | 2023-11-28 |
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LFU tests and searches for new physics in charged current decays at Belle IIPublic
In this talk, recent results concerning lepton universality are presented. These include the tests of angular asymmetry in hadronically tagged $B \to D^* \ell \nu$ decays and LU results of the untagged $B \to D^* \ell \nu$ analysis. Moreover, the inclusive $R(X_{e/\mu})$ measurement is presented. Finally, the new R(D^*_{\tau/\ell}) and R(X_{\tau/\… |
BELLE2-TALK-CONF-2023-179 | - | 2023-11-28 |
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The Belle II Upgrade ProgramPublic
A summary of the upgrade program of Belle II, particularly planned LS2 upgrades. |
BELLE2-TALK-CONF-2023-181 | - | 2023-11-28 |
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Time-integrated WS-to-RS ratio of the D0 −→ K+π−π0 decay at Belle IIPublic
In the standard model, mixing and CP violation in the charm sector are expected to be very small, and thus, they constitute a sensitive probe for potential new physics contributions. The “wrong-sign” D^{0}->K^{+}π^{−}π^{0} decay is one of the most promising channels at Belle II, as this can be produced through two interfering processes: a direct d… |
BELLE2-POSTER-CONF-2023-005 | - | 2023-11-25 |
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Time-integrated raw asymmetry in D0 −→ Ks0Ks0 decay at Belle IIPublic
D0->KsKs is a Singly Cabibbo Suppressed decay, which involves the interference of cubar -> ssbar and cubar→ dd transitions. Due to such interference, the Charge Parity asymmetry may be enhanced to an observable level within the Standard Model. In this work, the signal yield and corresponding raw asymmetry (Araw) for D0->KsKs is measured using Bell… |
BELLE2-POSTER-CONF-2023-004 | - | 2023-11-24 |
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Time-dependent CP violation in B0 decaysPublic
This talk covers the recent results on time-dependent CP violation in B0 decays from Belle II and LHCb. |
BELLE2-TALK-CONF-2023-174 | - | 2023-11-18 |
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Recent results of exotic hadrons from Belle and Belle IIPublic
We report recent results from Belle and Belle II related to exotic hadrons. We discuss the possibility that there are two states in the region near Upsilon(5S) [Energy dependence of the e+e- --> Bs()Bs()bar cross section at Belle]. We point out to some evidence that there exist a P-wave BBbar molecular state near the BBbar threshold [Energy depend… |
BELLE2-TALK-CONF-2023-186 | - | 2023-11-14 |
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17th annual Belle PAC review meeting : Feb. 19-21, 2023Public
BPAC (full report) February 2023 |
BELLE2-REPORT-2024-035 | - | 2023-11-13 |
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Time-Integrated Measurement of the Branching Fraction and Direct CP Asymmetry of B0 → KS0π0 Decay at Belle IIPublic
We report updated measurements of the branching ratio and the direct CP-violating asym- metry in B0 → KS0π0 decay at Belle II. The flavour information of the decay is obtained from the pair-produced neutral B partner Btag, and the direct CP asymmetry parame- ter is determined with the time-integrated method. We analyse the 2019-2022 Belle II data … |
BELLE2-MTHESIS-2024-009 | - | 2023-11-11 |
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Evaluation of the Radiation Hardness of MPPCs for Belle II ARICH Upgrade (In Japanese) BelleII実験ARICH検出器アップグレードに向けた光検出器MPPCの放射線耐性の評価Public
Evaluated the radiation hardness of MPPCs for Belle II ARICH Upgrade. |
BELLE2-MTHESIS-2024-004 | - | 2023-11-11 |
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Measurement of time-dependent CP asymmetry in B0 -> KS0 π0 γ decays at the Belle II experimentPublic
We measure the time-dependent CP asymmetries in B0 -> KS0 π0 γ decay using (387.5 ± 5.8) × 10^6 BBbar pairs collected near the Υ(4S) resonance with SuperKEKB and Belle II from 2019 to 2022. For the measurement, we reconstruct one neutral B meson in the B0 -> KS0 π0 γ decay channel, identify the flavor of the accompanying B meson from its decay pr… |
BELLE2-PTHESIS-2024-007 | - | 2023-11-11 |
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The Alignment of Belle II ARICH Detector and its Influence on the PID Performance (In Japanese) BelleII実験におけるARICH検出器のアライメントと粒子識別性能への影響Public
We performed the alignment of Belle II ARICH detector, and studied its influence on the particle ID performance. |
BELLE2-MTHESIS-2024-005 | - | 2023-11-11 |
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