English
Related papers

Related papers: Unitarity Triangle Analysis in the Standard Model …

200 papers

We report on a comparative study of the profile of the CKM unitarity triangle, and the resulting CP asymmetries in B decays, in the standard model and in several variants of the minimal supersymmetric standard model (MSSM), characterized by…

High Energy Physics - Phenomenology · Physics 2010-11-23 A. Ali , D. London

We present here the status of the Unitarity Triangle analysis by the UTfit collaboration in and beyond the Standard Model

High Energy Physics - Phenomenology · Physics 2009-05-26 Viola Sordini

The unitarity triangle can be determined by means of two measurements of its sides or angles. Assuming the same relative errors on the angles $(\alpha,\beta,\gamma)$ and the sides $(R_b,R_t)$, we find that the pairs $(\gamma,\beta)$ and…

High Energy Physics - Phenomenology · Physics 2010-11-23 Andrzej J. Buras , Fabrizio Parodi , Achille Stocchi

I discuss the role of lattice QCD in testing the Standard Model and searching for physics beyond the Standard Model in the quark flavor sector. I first review the Standard Model CKM framework. I then present the current status of the CKM…

High Energy Physics - Lattice · Physics 2010-11-05 Ruth S. Van de Water

We discuss the present status of global fits to the CKM unitary triangle using the latest experimental and theoretical constraints. For the required nonperturbative weak matrix elements, we use three-flavor lattice QCD averages from…

High Energy Physics - Phenomenology · Physics 2012-04-25 Jack Laiho , Enrico Lunghi , Ruth S. Van de Water

The recent measurements of the B_s meson mixing amplitude by CDF and of the leptonic branching fraction BR(B to tau nu) by Belle call for an upgraded analysis of the Unitarity Triangle in the Standard Model. Besides improving the previous…

High Energy Physics - Phenomenology · Physics 2010-02-03 UTfit Collaboration , M. Bona , M. Ciuchini , E. Franco , V. Lubicz , G. Martinelli , F. Parodi , M. Pierini , P. Roudeau , C. Schiavi , L. Silvestrini , A. Stocchi , V. Vagnoni

Motivated by the recently improved results from the Fermilab Lattice and MILC Collaborations on the hadronic matrix elements entering $\Delta M_{s,d}$ in $B_{s,d}^0-\bar B_{s,d}^0$ mixing, we determine the Universal Unitarity Triangle (UUT)…

High Energy Physics - Phenomenology · Physics 2016-06-14 Monika Blanke , Andrzej J. Buras

We review the salient features of a comparative study of the profile of the CKM unitarity triangle, and the resulting CP-violating phases $\alpha$, $\beta$ and $\gamma$ in B decays, in the standard model and in several variants of the…

High Energy Physics - Phenomenology · Physics 2010-11-23 Ahmed Ali , David London

Flavour physics plays a crucial role in the search for physics beyond the Standard Model (SM). While $B$ physics offers many observables to look for deviations from the SM, the highest new physics sensitivity can be obtained in the rare…

High Energy Physics - Phenomenology · Physics 2014-12-03 Monika Blanke

In these proceedings I present a personal perspective of the challenges for new physics (NP) searches in the flavour sector. Since the CKM mechanism of flavour violation has been established to a very high precision, we know that physics…

High Energy Physics - Phenomenology · Physics 2014-09-12 Andreas Crivellin

We review the main aspects of Flavour Physics and CP Violation in the Standard Model. After presenting a grand view of the field including a Master Formula for weak decays we discuss i) Standard analysis of the unitarity triangle, ii) The…

High Energy Physics - Phenomenology · Physics 2007-05-23 Andrzej J. Buras

The CKM matrix and its unitarity is analyzed by disentangling experimental information obtained from three different particle systems of neutrons, mesons, and nuclei. New physics beyond the Standard Model is supported under the new…

General Physics · Physics 2020-09-04 Wanpeng Tan

The exploration of the Standard Model (SM) leptonic mixing has been led by the study of the neutrino ({\nu}) oscillations phenomenon, whose discovery was acknowledged by the 2015 Nobel prize in physics. Half a century of experimental and…

High Energy Physics - Phenomenology · Physics 2019-11-12 Anatael Cabrera

We update the constraints on the parameters of the quark flavour mixing matrix $V_{CKM}$ in the standard model using the latest experimental and theoretical results as input. We present the 95$\%$ C.L. allowed region of the unitarity…

High Energy Physics - Phenomenology · Physics 2007-05-23 Ahmed Ali , David London

Flavour physics has a long tradition of paving the way for direct discoveries of new particles and interactions. Results over the last decade have placed stringent bounds on the parameter space of physics beyond the Standard Model. Early…

High Energy Physics - Experiment · Physics 2015-06-04 Marco Gersabeck , Vladimir V. Gligorov , Nicola Serra

After pointing out the amazing success of the CKM description in accommodating the phenomenology of flavour changing neutral currents I review the status of theoretical technologies for extracting CKM parameters from data. I sketch novel…

High Energy Physics - Phenomenology · Physics 2007-05-23 I. I. Bigi

Based on flavour symmetries only, there are two ways to give rise to an effective description of flavour physics in the quark sector close to the CKM picture: one is based on $U(3)_q\times U(3)_u\times U(3)_d$ (or equivalent) and the other…

High Energy Physics - Phenomenology · Physics 2015-06-18 Riccardo Barbieri , Dario Buttazzo , Filippo Sala , David M. Straub

I review recent results and prospects for improvement in calculations of hadronic matrix elements relevant to quark flavour phenomenology. I will focus on key quantities for CKM unitarity triangle analyses and for the study of discrepancies…

High Energy Physics - Phenomenology · Physics 2015-06-15 Elvira Gámiz

The study of the processes with the production of top quarks represents a unique possibility to test the standard model (SM) predictions and probe the new physics effects. Potential deviations from the SM expectations are parametrized…

High Energy Physics - Experiment · Physics 2020-08-17 Kirill Skovpen

The status of the Unitarity Triangle beyond the Standard Model including the most recent results on Delta m_s, on dilepton asymmetries and on width differences is presented. Even allowing for general New Physics loop contributions the…

High Energy Physics - Phenomenology · Physics 2008-11-26 UTfit Collaboration , M. Bona , M. Ciuchini , E. Franco , V. Lubicz , G. Martinelli , F. Parodi , M. Pierini , P. Roudeau , C. Schiavi , L. Silvestrini , A. Stocchi , V. Vagnoni