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CERN Document Server Pronađeno je 17 zapisa  1 - 10slijedeći  idi na zapis: Pretraživanje je potrajalo 0.76 sekundi 
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The Present and Future of Flavor / Bordone, Marzia (speaker) (University of Zürich and CERN)
Flavour physics provides some of the most stringent tests of the Standard Model and a powerful indirect probe of new physics. Precision studies of quark transitions have revealed a striking pattern of masses, mixings, and CP violation that remains unexplained by current theory, while persistent tensions in key observables continue to attract attention [...]
2025 - 3653. Theory Colloquia External link: Event details In : The Present and Future of Flavor
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2.
Challenging $\bar{B}_{(s)}\to D_{(s)}^{(*)}$ Form Factors with the Heavy Quark Expansion / Bordone, Marzia (Siegen U. ; CERN ; Zurich U.) ; Gubernari, Nico (Cambridge U., DAMTP) ; Jung, Martin (Turin U. ; INFN, Turin) ; van Dyk, Danny (Durham U., IPPP)
Recent publications by three lattice QCD collaborations have provided an unprecedented wealth of theoretical predictions for the $\bar{B}_q \to D_q^{(*)}$ form factors, for spectator flavours $q=u/d$ and $q=s$. [...]
CERN-TH-2025-092 ; EOS-2025-03 ; IPPP/25/25 ; P3H-25-032 ; SI-HEP-2025-10 ; ZU-TH 35/25 ; arXiv:2507.03569. - 36.
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3.
Not yet available
 Introduction / Bordone, Marzia (speaker) (University of Zürich and CERN)
2025 - 201. Heavy Flavour WG; Flavour physics at LHC School External links: Talk details; Event details In : Flavour physics at LHC School
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4.
Precision Tests in $b\to s\ell^+\ell^-$ ($\ell=e,\mu$) at FCC-ee / Bordone, Marzia (Zurich U. ; CERN) ; Cornella, Claudia (CERN) ; Davighi, Joe (CERN)
The rare semi-leptonic decays $B\to K^\ast \ell^+\ell^-$, with $\ell=e, \mu$, are highly sensitive to new physics (NP) due to their suppression in the Standard Model (SM). Current LHCb measurements in the muon channel exhibit a significant tension with state-of-the-art SM theory predictions. [...]
arXiv:2503.22635; CERN-TH-2025-065; ZU-TH 22/25.- 2025 - 17 p. - Published in : Eur. Phys. J. C 85 (2025) 995 Fulltext: 2503.22635 - PDF; document - PDF;
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5.
Kaon Physics: A Cornerstone for Future Discoveries / Aebischer, Jason (CERN) ; Akmete, Atakan Tugberk (U. Mainz, PRISMA) ; Aliberti, Riccardo (Mainz U., Inst. Kernphys.) ; Altmannshofer, Wolfgang (UC, Santa Cruz ; UC, Santa Cruz, Inst. Part. Phys.) ; Ambrosino, Fabio (Naples U. ; INFN, Naples ; SSM, Naples) ; Ammendola, Roberto (INFN, Rome2) ; Antonelli, Antonella (Frascati) ; Anzivino, Giuseppina (Perugia U. ; INFN, Perugia) ; Ashanujjaman, Saiyad (KIT, Karlsruhe, TTP ; KIT, Karlsruhe) ; Bandiera, Laura (INFN, Ferrara) et al.
The kaon physics programme, long heralded as a cutting-edge frontier by the European Strategy for Particle Physics, continues to stand at the intersection of discovery and innovation in high-energy physics (HEP). [...]
arXiv:2503.22256 ; CERN-TH-2025-066. - 22.
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Probing third-generation New Physics with $K\to \pi \nu\bar\nu$ and $B\to K^{(*)} \nu\bar\nu$ / Allwicher, Lukas (Zurich U.) ; Bordone, Marzia (CERN) ; Isidori, Gino (Zurich U.) ; Piazza, Gioacchino (Zurich U.) ; Stanzione, Alfredo (INFN, Trieste ; SISSA, Trieste)
The recent observation of the $K^+ \to \pi^+ \nu\bar\nu$ decay by NA62 is an important milestone in precision flavor physics. Together with evidence of $B^+ \to K^+\nu\bar\nu$ reported by Belle-II, they are the only FCNC decays involving third-family leptons where a precision close to the SM expectation has been reached. [...]
arXiv:2410.21444; CERN-TH-2024-183.- 2025-01-30 - 10 p. - Published in : Phys. Lett. B 861 (2025) 139295 Fulltext: 2410.21444 - PDF; Publication - PDF;
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7.
New strategies for probing $B\rightarrow D^*\ell \bar{\nu }_\ell $ lattice and experimental data / Bordone, Marzia (CERN) ; Juttner, Andreas (U. Southampton (main) ; CERN)
We present an analysis of the exclusive semileptonic decay $B\to D^\ast \ell\bar\nu_\ell$ based on the Belle and Belle II data made public in 2023, combined with recent lattice-QCD calculations of the hadronic transition form factors by FNAL/MILC, HPQCD and JLQCD. We also consider a new combination of the Belle and Belle II data sets by HFLAV. [...]
arXiv:2406.10074; CERN-TH-2024-083.- 2025-02-03 - 25 p. - Published in : Eur. Phys. J. C 85 (2025) 129 Fulltext: 2406.10074 - PDF; document - PDF;
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8.
Short- vs. long-distance physics in $B\rightarrow K^{(*)} \ell ^+\ell ^-$: a data-driven analysis / Bordone, Marzia (CERN) ; isidori, Gino (Zurich U.) ; Mächler, Sandro (Zurich U.) ; Tinari, Arianna (Zurich U.)
We analyze data on $B\to K\mu^+\mu^-$ and $B\to K^*\mu^+\mu^-$ decays in the whole dilepton invariant mass spectrum with the aim of disentangling short- vs. long-distance contributions. [...]
arXiv:2401.18007; CERN-TH-2024-017.- 2024-05-31 - 19 p. - Published in : Eur. Phys. J. C 84 (2024) 547 Fulltext: 2401.18007 - PDF; document - PDF;
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9.
Focus topics for the ECFA study on Higgs / Top / EW factories / de Blas, Jorge (Granada U.) ; Koppenburg, Patrick (Nikhef, Amsterdam) ; List, Jenny (DESY) ; Maltoni, Fabio (Louvain U.) ; Maestre, Juan Alcaraz (Madrid, CIEMAT) ; Alimena, Juliette (DESY) ; Alison, John (Carnegie Mellon U.) ; Azzi, Patrizia (INFN, Padua) ; Azzurri, Paolo (INFN, Pisa) ; Bagnaschi, Emanuele (CERN ; INFN, Italy) et al.
In order to stimulate new engagement and trigger some concrete studies in areas where further work would be beneficial towards fully understanding the physics potential of an $e^+e^-$ Higgs / Top / Electroweak factory, we propose to define a set of focus topics. [...]
arXiv:2401.07564. - 65.
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10.
QED effects in inclusive semi-leptonic $B$ decays / Bigi, Dante (CERN ; Turin U. ; Munich, Max Planck Inst. ; Munich, Tech. U.) ; Bordone, Marzia (CERN) ; Gambino, Paolo (Turin U. ; Munich, Max Planck Inst. ; Munich, Tech. U.) ; Haisch, Ulrich (Munich, Max Planck Inst.) ; Piccione, Andrea (Turin U.)
We analyse in detail the QED corrections to the total decay width and the moments of the electron energy spectrum of the inclusive semi-leptonic $B \to X_c e \nu$ decay. Our calculation includes short-distance electroweak corrections, the complete ${\cal O}(\alpha)$ partonic terms and leading-logarithmic QED effects up to ${\cal O}(\Lambda^3_{\rm QCD}/m_b^3)$. [...]
arXiv:2309.02849; CERN-TH-2023-145; MPP-2023-186.- 2023-11-22 - 41 p. Fulltext: 2309.02849 - PDF; document - PDF; erratum - PDF;
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