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Overview and theoretical prospects for CKM matrix and CP violation from the UTfit Collaboration
/ Bona, Marcella (Queen Mary, U. of London) ; Ciuchini, Marco (INFN, Rome3) ; Derkach, Denis (Higher Sch. of Economics, Moscow) ; Di Palma, Roberto (INFN, Rome3 ; Rome III U.) ; Ferrari, Fabio (INFN, Bologna ; U. Bologna, DIFA) ; Lubicz, Vittorio (INFN, Rome3 ; Rome III U.) ; Martinelli, Guido (INFN, Rome ; Rome U.) ; Pierini, Maurizio (CERN) ; Silvestrini, Luca (INFN, Rome) ; Simula, Silvano (INFN, Rome3) et al.
Precision studies of the Cabibbo-Kobayashi-Maskawa matrix offer a very important testbed of the Standard Model (SM).In light of new inputs and measurements, in this proceeding we review the status of the Unitarity Triangle as a fundamental tool to uncover New Physics. We report the results of the latest SM global fits performed by the UTfit Collaboration including all the up-to-date experimental and theoretical inputs as for the Summer 2023 release.We also update the stringent constraints on New Physics from the generalized $|\Delta F| = 2$ effective Hamiltonian. [...]
2024 - 10 p.
- Published in : PoS WIFAI2023 (2024) 007
Fulltext: PDF;
In : Workshop Italiano sulla Fisica ad Alta Intensita (WIFAI 2023), Rome, Italy, 8 - 10 Nov 2023, pp.007
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Global analysis of charm mixing parameters and determination of the CKM angle $\gamma$
/ Betti, F. (U. Edinburgh (main)) ; Bona, M. (Queen Mary, U. of London) ; Ciuchini, M. (INFN, Rome3) ; Derkach, D. (Higher Sch. of Economics, Moscow) ; Di Palma, R. (INFN, Rome3 ; Rome III U.) ; Kagan, A.L. (Cincinnati U.) ; Lubicz, V. (INFN, Rome3 ; Rome III U.) ; Martinelli, G. (INFN, Rome) ; Pierini, M. (CERN) ; Silvestrini, L. (INFN, Rome) et al.
We present an updated global analysis of beauty decays sensitive to the angle $\gamma$ of the Cabibbo-Kobayashi-Maskawa matrix and of $D$-meson mixing data in the framework of approximate universality for charm mixing. [...]
arXiv:2409.06449.
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Unitarity Triangle global fits beyond the Standard Model: UTfit 2021 NP update
/ Bona, Marcella (Queen Mary, U. of London (main)) ; Ciuchini, Marco (INFN, Rome3) ; Derkach, Denis (Unlisted, RU) ; Ferrari, Fabio (Bologna U. ; INFN, Bologna) ; Franco, Enrico (INFN, Rome) ; Lubicz, Vittorio (Rome III U.) ; Martinelli, Guido (Rome U.) ; Pierini, Maurizio (CERN) ; Silvestrini, Luca (INFN, Rome) ; Tarantino, Cecilia (Rome III U.) et al.
Flavour physics represents a unique test bench for the Standard Model (SM). New analyses performed at the LHC experiments are now providing unprecedented insights into CKM metrology and new evidences for rare decays. [...]
2022 - 4 p.
- Published in : PoS EPS-HEP2021 (2022) 500
Fulltext: PDF;
In : European Physics Society conference on High Energy Physics 2021, Online, Online, 26 - 30 Jul 2021, pp.500
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Unitarity Triangle global fits testing the Standard Model: UT$fit$ 2021 SM update
/ Bona, Marcella (Queen Mary, U. of London (main)) ; Ciuchini, Marco (INFN, Rome3) ; Derkach, Denis (Unlisted, RU) ; Ferrari, Fabio (Bologna U. ; INFN, Bologna) ; Franco, Enrico (INFN, Rome) ; Lubicz, Vittorio (Rome III U.) ; Martinelli, Guido (Rome U.) ; Pierini, Maurizio (CERN) ; Silvestrini, Luca (INFN, Rome) ; Tarantino, Cecilia (Rome III U.) et al.
Flavour physics represents a unique test bench for the Standard Model. New analyses performed at the LHC experiments are now providing unprecedented insights into CKM metrology and new evidences for rare decays. [...]
2022 - 6 p.
- Published in : PoS EPS-HEP2021 (2022) 512
Fulltext: PDF;
In : European Physics Society conference on High Energy Physics 2021, Online, Online, 26 - 30 Jul 2021, pp.512
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A lattice QCD perspective on weak decays of b and c quarks Snowmass 2022 White Paper
/ Boyle, Peter A. (Brookhaven ; U. Edinburgh, Higgs Ctr. Theor. Phys.) ; Chakraborty, Bipasha (Cambridge U., DAMTP) ; Davies, Christine T.H. (Glasgow U.) ; DeGrand, Thomas (Colorado U.) ; DeTar, Carleton (Utah U.) ; Del Debbio, Luigi (U. Edinburgh, Higgs Ctr. Theor. Phys.) ; El-Khadra, Aida X. (Illinois U., Urbana) ; Erben, Felix (U. Edinburgh, Higgs Ctr. Theor. Phys.) ; Flynn, Jonathan M. (U. Southampton (main)) ; Gámiz, Elvira (Granada U., Theor. Phys. Astrophys.) et al.
Lattice quantum chromodynamics has proven to be an indispensable method to determine nonperturbative strong contributions to weak decay processes. [...]
arXiv:2205.15373 ; CERN-TH-2022-036 ; FERMILAB-CONF-22-433-SCD-T ; JLAB-THY-22-3582,
MITP-22-020 ; MIT-CTP/5413 ; MS-TP-22-07 ; SI-HEP-2022-11.
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Fermilab Library Server - eConf - Fulltext - Fulltext
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Isospin-breaking corrections to the muon magnetic anomaly in Lattice QCD
/ Giusti, Davide (Rome III U. ; INFN, Rome3) ; Lubicz, Vittorio (Rome III U. ; INFN, Rome3) ; Martinelli, Guido (Rome U.) ; Sanfilippo, Francesco (INFN, Rome3) ; Simula, Silvano (INFN, Rome3)
In this contribution we present a lattice calculation of the leading-order electromagnetic and strong isospin-breaking (IB) corrections to the quark-connected hadronic-vacuum-polarization (HVP) contribution to the anomalous magnetic moment of the muon. The results are obtained adopting the RM123 approach in the quenched-QED approximation and using the QCD gauge configurations generated by the ETM Collaboration with $N_f = 2+1+1$ dynamical quarks, at three values of the lattice spacing ($a \simeq 0.062, 0.082, 0.089$ fm), at several lattice volumes and with pion masses between $\simeq 210$ and $\simeq 450$ MeV. [...]
arXiv:1909.01962.-
SISSA, 2019-09-04 - 11 p.
- Published in : PoS CD2018 (2019) 063
Fulltext: PDF; Fulltext from publisher: PDF;
In : 9th International Workshop on Chiral Dynamics, Durham, NC, USA, 17 - 21 Sep 2018, pp.063
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Real photon emissions leptonic decays
/ Martinelli, Guido (INFN, Rome ; Rome U.) ; Di Carlo, M (INFN, Rome ; Rome U.) ; Mazzetti, F (INFN, Rome ; Rome U.) ; de Divitiis, G M (Rome U., Tor Vergata ; INFN, Rome2) ; Desiderio, A (Rome U., Tor Vergata ; INFN, Rome2) ; Frezzotti, R (Rome U., Tor Vergata ; INFN, Rome2) ; Garofalo, M (Rome U., Tor Vergata ; INFN, Rome2) ; Hansen, M (Rome U., Tor Vergata ; INFN, Rome2) ; Tantalo, N (Rome U., Tor Vergata ; INFN, Rome2) ; Giusti, D (Rome III U. ; INFN, Rome3) et al.
We present a non-perturbative calculation of the form factors which contribute to the amplitudes for the radiative decays $P\to \ell \bar \nu_\ell \gamma$, where $P$ is a pseudoscalar meson and $\ell$ is a charged lepton. Together with the non-perturbative determination of the virtual photon corrections to the processes $P\to \ell \bar \nu_\ell$, this will allow accurate predictions to be made at $O(\alpha_{em})$ for leptonic decay rates for pseudoscalar mesons ranging from the pion to the $B$ meson. [...]
SISSA, 2019 - 7 p.
- Published in : PoS LATTICE2019 (2019) 198
Fulltext: PDF;
In : 37th International Symposium on Lattice Field Theory, Wuhan, Hubei, China, 16 - 22 Jun 2019, pp.198
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Non-perturbative renormalization in QCD+QED and its applications to weak decays
/ Di Carlo, Matteo (Rome U. ; INFN, Rome) ; Martinelli, Guido (Rome U. ; INFN, Rome) ; Giusti, Davide (Rome III U. ; INFM, Trieste) ; Lubicz, Vittorio (Rome III U. ; INFN, Rome3) ; Sachrajda, Christopher T. (Southampton U.) ; Sanfilippo, Francesco (INFN, Rome3) ; Simula, Silvano (INFN, Rome3) ; Tantalo, Nazario (Rome U., Tor Vergata ; INFN, Rome2)
We present a novel strategy to renormalize lattice operators in QCD+QED, including first order QED corrections to the non-perturbative evaluation of QCD renormalization constants. Our procedure takes systematically into account the mixed non-factorizable QCD+QED effects which were neglected in previous calculations, thus significantly reducing the systematic uncertainty on renormalization corrections. [...]
arXiv:1911.00938.-
SISSA, 2019-11-05 - 7 p.
- Published in : PoS LATTICE2019 (2019) 196
Fulltext: PDF; Fulltext from publisher: PDF;
In : 37th International Symposium on Lattice Field Theory, Wuhan, Hubei, China, 16 - 22 Jun 2019, pp.196
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Radiative corrections to semileptonic decay rates
/ Sachrajda, C.T. (Southampton U.) ; Di Carlo, Matteo (Rome U. ; INFN, Rome) ; Martinelli, Guido (Rome U. ; INFN, Rome) ; Giusti, Davide (Rome III U. ; INFN, Rome3) ; Lubicz, Vittorio (Rome III U. ; INFN, Rome3) ; Sanfilippo, Francesco (INFN, Rome3) ; Simula, Silvano (INFN, Rome3) ; Tantalo, Nazario (Rome U., Tor Vergata ; INFN, Rome2)
We discuss the theoretical framework required for the computation of radiative corrections to semileptonic decay rates in lattice simulations, and in particular to those for $K_{\ell3}$ decays. This is an extension of the framework we have developed and successfully implemented for leptonic decays. [...]
arXiv:1910.07342.-
SISSA, 2019-10-16 - 7 p.
- Published in : PoS LATTICE2019 (2019) 162
Fulltext: PDF; Fulltext from publisher: PDF;
In : 37th International Symposium on Lattice Field Theory, Wuhan, Hubei, China, 16 - 22 Jun 2019, pp.162
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