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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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On hadronic uncertainties polluting the New Physics hunt in $b \rightarrow s$ transitions
/ Ciuchini, Marco (INFN, Rome3) ; Coutinho, Antonio M (INFN, Rome3 ; Rome III U.) ; Fedele, Marco (Orsay, LPT) ; Franco, Enrico (INFN, Rome) ; Paul, Ayan (DESY ; Humboldt U., Berlin) ; Silvestrini, Luca (INFN, Rome ; CERN) ; Valli, Mauro (UC, Irvine)
We review the hadronic uncertainties involved in the decay $B \rightarrow K^* \ell^+ \ell^-$, arguing that the non-factorizable hadronic contribution might account for some of the anomalies observed in $b \rightarrow s$ transitions, namely the ones relating to the $P^′_5$ observable. Moreover, we explore how alternative Beyond Standard Model interpretations of the anomalies pattern, e.g. [...]
2019 - 6 p.
- Published in : Nucl. Part. Phys. Proc. 303-305 (2018) 8-13
In : Seventh Workshop on Theory, Phenomenology and Experiments in Flavour Physics and the future of BSM physics, Anacapri, Italy, 8 - 10 Jun 2018, pp.8-13
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Global Bayesian Analysis of the Higgs-boson Couplings
/ de Blas, Jorge (INFN, Rome) ; Ciuchini, Marco (INFN, Rome3) ; Franco, Enrico (INFN, Rome) ; Ghosh, Diptimoy (INFN, Rome) ; Mishima, Satoshi (Rome U. ; SISSA, Trieste) ; Pierini, Maurizio (CERN) ; Reina, Laura (Florida State U.) ; Silvestrini, Luca (INFN, Rome)
We present preliminary results of a bayesian fit to the Wilson coefficients of the Standard Model gauge invariant dimension-6 operators involving one or more Higgs fields, using data on electroweak precision observables and Higgs boson signal strengths..
arXiv:1410.4204.-
2016-06-02 - 7 p.
- Published in : Nucl. Part. Phys. Proc. 273-275 (2016) 834-840
Fulltext: 10.1016_j.nuclphysbps.2015.09.128 - PDF; arXiv:1410.4204 - PDF; External link: Preprint
In : 37th International Conference on High Energy Physics, Valencia, Spain, 2 - 9 Jul 2014, pp.834-840
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Hadronic uncertainties in the $B\to K^*\mu^+\mu^-$ decay
/ Ciuchini, Marco (INFN, Rome3) ; Coutinho, Antonio M. (INFN, Rome3 ; Rome III U.) ; Fedele, Marco (Orsay, LPT) ; Franco, Enrico (INFN, Rome) ; Paul, Ayan (DESY ; Humboldt U., Berlin) ; Silvestrini, Luca (CERN ; INFN, Rome) ; Valli, Mauro (UC, Irvine)
Motivated by the persisting 'anomaly' in the measurement of $P_5^\prime$, we review hadronic uncertainties entering the angular observables of the decay $\bar B\to {\bar K}^*\mu^+\mu^-$. We argue that hadronic uncertainties could account for the present measurements. [...]
arXiv:1809.03789.-
SISSA, 2018-09-11 - 9 p.
- Published in : PoS BEAUTY2018 (2018) 044
Fulltext: PoS(BEAUTY2018)044 - PDF; 1809.03789 - PDF; External link: PoS server
In : The 17th International Conference on B-Physics at Frontier Machines, Isola D'elba, Italy, 6 - 11 May 2018, pp.044
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