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Title Belle II Number Authors Date Downloads
Measurement of phi1 at Belle IIPublic
Measurements of lifetime and mixing frequency, phi1 (beta), B0->3KS and B0->KS pi0.
BELLE2-TALK-CONF-2023-017 Thibaud Humair
Feasibility of inclusive R(X) at Belle IIPublic
Discussing the feasibility of measuring the inclusive branching fraction ratio R(X) at Belle II as a test of lepton universality.
BELLE2-TALK-CONF-2023-016 Peter Lewis
Measurement of phi2 at Belle IIPublic
Recent results related to phi2 at Belle II will be shown.
BELLE2-TALK-CONF-2023-015 Yu Nakazawa
R(D*) at Belle IIPublic
Measurement of branching ratio $R(D^{*})$ of $B \rightarrow D^{*} \tau \nu_{\tau}$ relative to $B \rightarrow D^{*} \ell \nu_{\ell}$ decays with hadronic tagging is performed by using data sample of $198 \times 10^{6}$ $B\bar{B}$ pairs collected at the $\Upsilon(4S)$ resonance with the Belle~II detector at the SuperKEKB asymmetric-energy $e^{+}e^{…
BELLE2-TALK-CONF-2023-014 Qi-Dong Zhou
b->sl+l- at Belle IIPublic
the organizers request that some emphasis is given to ‘setting an overview of the anticipated landscape at the dawn of a Z factory’.
BELLE2-TALK-CONF-2023-013 Alexander Glazov
Measurements of |Vxb| at Belle IIPublic
This talk introduces the recent |Vcb| and |Vub| measurements from Belle and Belle II.
BELLE2-TALK-CONF-2023-012 Lu Cao
Prospect of the Belle II experiment to further elucidate the KM mechanism and beyondPublic
Status and prospect of Belle II
BELLE2-TALK-CONF-2023-011 Nanae Taniguchi
BSM CP violation searches at Belle IIPublic
Up to now, the Belle II experiment has collected about the same amount of data as BaBar and the plan is to collect 50 times more. New physics can affect the phase of the amplitudes and consequently the measured CP violation parameters. There are two main complementary approaches: overconstraining the SM parameters in the precision measurements of …
BELLE2-TALK-CONF-2023-010 Radek Zlebcik
Experimental search for axions and ALPS in Belle II (and B factories in general)Public
Axions and Axion-Like Particles (ALPs) are hypothetical particles that could help solve the strong QCD problem and/or act as dark matter or dark portals. B factories are high-precision experiments specialized in B physics, but also exceptionally capable of probing the dark matter MeV-to-GeV range. In this talk, I will report on the status and the …
BELLE2-TALK-CONF-2023-009 Michael De Nuccio
Recent results on hadronic decays and CP violation at Belle IIPublic
This talk is about hadronic decays and CP violation of B meson.
BELLE2-TALK-CONF-2023-008 Ryogo Okubo
Recent results on semileptonic, radiative and electroweak penguins decays at Belle IIPublic
This talk discusses recent results from Belle II concerning semileptonic, electroweak or radiative penguin decays.
BELLE2-TALK-CONF-2023-007 Svenja Granderath
Recent results on Dark-sector and tau lepton physics at Belle IIPublic
The Belle II experiment at the SuperKEKB collider has unique sensitivity to a broad class of models that postulate the existence of dark matter particles with MeV—GeV masses. This talk presents recent world-leading physics results from Belle II searches for Z’ decays; as well as the near-term prospects for other dark-sector searches. In addition, …
BELLE2-TALK-CONF-2023-006 Sascha Dreyer
Bottomonium physics at Belle IIPublic
Bottomonium spectroscopy offers excellent opportunities for insights on the behavior of QCD in the non-perturbative regime. In order to guide theorists through the difficult task of modeling non-perturbative QCD phenomena, the experimental measurement of masses, widths, and transition rates of bb¯ states is crucial. Recent analyses of Belle and Be…
BELLE2-TALK-CONF-2023-003 Alessandro Boschetti
Recent Belle II results related to lepton-flavor universality and violationPublic
The rate of semitauonic $B$ decays has been consistently above theory expectations since these decays were first measured. Also, there are various anomalies in flavour-changing neutral current decays $b->sll$. The low-background collision environment along with the possibility of partially or fully reconstructing one of the two $B$ mesons in the e…
BELLE2-TALK-CONF-2023-002 Marco Milesi
Recent dark-sector results at Belle IIPublic
Belle II has unique reach for a broad class of models that postulate the existence of dark matter particles with MeV—GeV masses. This talk presents recent world-leading physics results from Belle II searches for dark Higgstrahlung and Zprime decays; as well as the near-term prospects for other dark-sector searches.
BELLE2-TALK-CONF-2023-001 Chia-Ling Hsu
CKM matrix measurements (focus on Vxb)Public
In this presentation, I will provide an overview on the current knowledge on the unitarity of the CKM matrix and its constraining power on new physics contributions. I will further review the current knowledge on the determination of Vub and Vcb, whose values constrain together with the CKM angle γ/ϕ3 constrain the apex of the unitary triangle. Se…
BELLE2-TALK-CONF-2022-141 Markus Prim
Recent Belle II results related to lepton universality and flavour violation author:Marcel HohmannPublic
This talk presents recent Belle II results on lepton flavor universality and flavour violation tests using B meson and tau decay. The low-background collision environment along with the possibility of partially or fully reconstructing one of the two B mesons in the event offer high precision measurements of B decays or rare decays with missing ene…
BELLE2-TALK-CONF-2022-140 Marcel Hohmann
CP violation measurements at Belle IIPublic
The first results from the Belle II collaboration related to the determination of CP violation in B decays presented. Both time-dependent and direct CP violation measurements are possible at this next generation e+e− B factory. The first determinations of and constraints on all three CKM unitarity triangle angles are presented. Results using data …
BELLE2-TALK-CONF-2022-139 Pablo Goldenzweig
Searches for light dark sectors at Belle II, Belle and BabarPublic
Talk at DISCRETE22 about recent (about last year) searches for light dark sectors at BaBar, Belle, and Belle II
BELLE2-TALK-CONF-2022-138 Michael De Nuccio
CKM first measurements at Belle IIPublic
CKM first measurements at Belle II
BELLE2-TALK-CONF-2020-029 Mario Merola
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