Belle II Document Server 2,044 records found  beginprevious351 - 360nextend  jump to record: Search took 0.00 seconds. 
351. Overview of charm physics / Longke Li [BELLE2-TALK-DRAFT-2023-133] [BELLE2-TALK-CONF-2023-133]
18 September 2023
/ 12th International Workshop on the CKM Unitarity Triangle
I will overview the recent experimental results of charm physics from Belle/Belle II/BESIII/LHCb experiments [...]
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352. Status and prospects of e+e- measurements / Jim Libby [BELLE2-TALK-DRAFT-2023-138] [BELLE2-TALK-CONF-2023-132]
18 September 2023
/ 12th International Workshop on the CKM Unitarity Triangle
Summary of the status and prospects for e+e- measurements in B physics at the time of the CKM 2023 conference..
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353. Analysis of the rare B+ -> K+ nu nubar decay at Belle II / Roberta Volpe [BELLE2-TALK-DRAFT-2023-124] [BELLE2-TALK-CONF-2023-131]
24 August 2023
/ KEK IPNS Seminar on B+ -> Knunu
We search for the rare decay B+ -> K+ nu nubar in a 362 /fb sample of electron-positron collisions at the Upsilon(4S) resonance collected with the Belle II detector at the SuperKEKB collider. [...]
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354. Measurement of the Time-integrated WS-to-RS ratio of the ”Wrong-Sign” D0 −→ K+π−π0 decay at Belle II / Chanchal Sharma, Kavita Lalwani [BELLE2-CONF-PROC-2023-034]
15 September 2023

In the standard model, mixing and CP violation in the charm sector are ex-9 pected to be very small and thus they constitute a sensitive probe for potential new physics contributions. [...]
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355. Measurement of raw asymmetry in $D^{0}\longrightarrow K^{0}_{s}K^{0}_{s}$ decay at Belle II / Sanjeeda Bharati Das ; Kavita Lalwani [BELLE2-CONF-PROC-2023-033]
15 September 2023

The decay $D^{0}\longrightarrow K^{0}_{s}K^{0}_{s}$ is a singly Cabibbo-suppressed transition that involves the interference between $c\overline{u}\longrightarrow s\overline{s}$ and $c\overline{u}\longrightarrow d\overline{d}$ amplitudes, mediated by the exchange of a W boson at the tree level, that can generate CP asymmetries at the 1% level, even if the Cabibbo-Kobayashi-Maskawa phase is the only source of CP. [...]
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356. Recent Belle II results on time-dependent CP violation and charm / Michele Veronesi [BELLE2-CONF-PROC-2023-032]
08 September 2023

Analysis of time-dependent CP violation are flagship measurements of the Belle II physics program. [...]
357. Recent Belle II results in charm physics / Angelo Di Canto [BELLE2-TALK-CONF-2023-130]
22 August 2023
/ EPS-HEP2023
Charm physics, involving a heavy up-type quark, offers a pathway to search for new particles and couplings beyond the Standard Model complementary to that of B physics. [...]
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358. Hot topic from Belle and Belle II / Pavel Pakhlov [BELLE2-TALK-CONF-2023-129] 20+5'
22 August 2023
/ 21st Lomonosov Conference on Elementary Particle Physics
We present selected new results from Belle and Belle II from many sectors..
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359. Searches for invisible new particles at Belle II / Luigi Corona [BELLE2-TALK-CONF-2023-128]
25 August 2023
/ Lomonosov21
Searches for invisible new particles at Belle II
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360. Semileptonic decays and tests of lepton flavour universality at Belle II / Christoph Schwanda [BELLE2-TALK-DRAFT-2023-125] [BELLE2-TALK-CONF-2023-127] 20'
30 August 2023
/ 21st Lomonosov Conference on Elementary Particle Physics
 (August 24-30, 2023)
This presentation reviews the first measurement of R(X) at the Y(4S), the first measurement of R(D*) at Belle II, the tests of light-lepton universality in angular asymmetries of B -> D*lnu, and the test of light-lepton universality in inclusive semileptonic B meson decays. [...]
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