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Related papers: Heavy flavour physics results from LEP1

200 papers

In view of the recent and future electroweak precision data accumulated at LEP and SLC, we systematically analyze possible new physics effects that may occur in the leptonic sector within the context of $SU(2)_R \times SU(2)_L \times…

High Energy Physics - Phenomenology · Physics 2016-09-01 Apostolos Pilaftsis

In view of the emerging hints for the violation of lepton flavour universality in several $B$-meson decays, we conduct a model-independent study (effective field theory approach) of several well-motivated new physics scenarios. Taking into…

High Energy Physics - Phenomenology · Physics 2021-04-02 J. Kriewald , C. Hati , J. Orloff , A. M. Teixeira

Lepton flavour violation (LFV) is one of the most trending topics to probe new physics (NP). The powerful accelerators have enhanced their intensities to observe the LFV decays very precisely. In this situation, the theorists are also…

High Energy Physics - Phenomenology · Physics 2023-12-05 S. Biswas , M. Mandal , S. Mahata , S. Sahoo

Lectures content: (1) Flavour physics within the SM and the flavour problem; (2) B-physics phenomenology: mixing, CP violation, and rare decays; (3) Flavour physics beyond the SM: models and predictions.

High Energy Physics - Phenomenology · Physics 2010-01-21 Gino Isidori

Results on physics of heavy flavour at CDF are reported. Selected measurements of Branching Ratios and CP asymmetry in $B^0$ and $B_s^0$, lifetime difference of $B^0_s$ CP eigenstates and a precise measurement of the $B_c$ mass are…

High Energy Physics - Experiment · Physics 2016-11-09 Stefano Torre

The direct searches for Beyond Standard Model (BSM) particles have been constraining their mass scale to the extent where it is now becoming consensual that such particles are likely to be above the energy reach of the LHC. Meanwhile, the…

High Energy Physics - Experiment · Physics 2022-09-21 A. Hicheur

Heavy flavour production and spectroscopy are key components of the HERA physics programme. I will summarise a selection of the recent results obtained by the H1 and ZEUS collaborations. The production of excited charm mesons and J/psi will…

High Energy Physics - Experiment · Physics 2019-08-14 Markus Jüngst

During the last years, the ALPHA collaboration has been developing and implementing a method based on Heavy Quark Effective Theory (HQET) to compute B-mesons observables through lattice simulations. Thanks to a non-perturbative matching to…

High Energy Physics - Lattice · Physics 2015-03-18 Nicolas Garron

Three CLEO-c results related to flavour-physics are presented: the determination of the strong-phase difference between D0->K+pi- and D0->K-pi+, delta, the measurement of the coherence parameter and average strong-phase difference between…

High Energy Physics - Experiment · Physics 2008-11-07 CLEO Collaboration , Jim Libby

We summarize the physics case of a high-luminosity e+e- flavour factory collecting an integrated luminosity of 50-75 ab^(-1). Many New Physics sensitive measurements involving B and D mesons and tau leptons, unique to a Super Flavour…

High Energy Physics - Phenomenology · Physics 2009-04-17 T. Browder , M. Ciuchini , T. Gershon , M. Hazumi , T. Hurth , Y. Okada , A. Stocchi

A review of b physics results from the LEP experiments and SLD is presented. Emphasis is given to the determination of the |Vcb| and |Vub| and to the study of B meson oscillations, which yield bounds on the unitary triangle.

High Energy Physics - Experiment · Physics 2007-05-23 D. Abbaneo

Recent measurements in the charm sector are reviewed, concentrating on results which are sensitive to New Physics effects. The scope of the presentation includes D0-D0bar mixing searches, a CPT / Lorentz invariance study, and a range of…

High Energy Physics - Experiment · Physics 2008-11-26 B. D. Yabsley

The ALICE Collaboration has measured heavy-flavour production through the reconstruction of hadronic decays of D mesons at mid-rapidity and via semi-electronic (at mid-rapidity) and semi-muonic (at forward rapidity) decays of charm and…

Nuclear Experiment · Physics 2019-08-14 Grazia Luparello

We conduct a systematic study of the impact of new physics in quark-level $b \to c \bar{c} s$ transitions on $B$-physics, in particular rare $B$-decays and $B$-meson lifetime observables. We find viable scenarios where a sizable effect in…

High Energy Physics - Phenomenology · Physics 2018-08-07 Sebastian Jäger , Matthew Kirk , Alexander Lenz , Kirsten Leslie

I report on recent developments in the heavy-quark effective theory and its application to $B$ meson decays. The parameters of the effective theory, the spin-flavor symmetry limit, and the leading symmetry-breaking corrections to it are…

High Energy Physics - Phenomenology · Physics 2007-05-23 Matthias Neubert

The Fermilab Tevatron offers unique opportunities to perform measurements of the heavier b-hadrons that are not accessible at the Y(4S) resonance. In this summary, we describe most important heavy flavor results from DO and CDF…

High Energy Physics - Experiment · Physics 2010-04-22 Michael J. Morello

The LHCb measurements of certain ratios of decay modes testing lepton flavour non-universality might open an exciting world of new physics beyond the standard model. The latest LHCb measurements of R_K* offer some new insight beyond the…

High Energy Physics - Phenomenology · Physics 2017-11-29 T. Hurth , F. Mahmoudi , D. Martinez Santos , S. Neshatpour

With the advent of the LHC, we will be able to probe New Physics (NP) up to energy scales almost one order of magnitude larger than it has been possible with present accelerator facilities. While direct detection of new particles will be…

High Energy Physics - Phenomenology · Physics 2010-05-27 G. Buchalla , T. K. Komatsubara , F. Muheim , L. Silvestrini , M. Artuso , D. M. Asner , P. Ball , E. Baracchini , G. Bell , M. Beneke , J. Berryhill , A. Bevan , I. I. Bigi , M. Blanke , Ch. Bobeth , M. Bona , F. Borzumati , T. Browder , T. Buanes , O. Buchmuller , A. J. Buras , S. Burdin , D. G. Cassel , R. Cavanaugh , M. Ciuchini , P. Colangelo , G. Crosetti , A. Dedes , F. De Fazio , S. Descotes-Genon , J. Dickens , Z. Dolezal , S. Durr , U. Egede , C. Eggel , G. Eigen , S. Fajfer , Th. Feldmann , R. Ferrandes , P. Gambino , T. Gershon , V. Gibson , M. Giorgi , V. V. Gligorov , B. Golob , A. Golutvin , Y. Grossman , D. Guadagnoli , U. Haisch , M. Hazumi , S. Heinemeyer , G. Hiller , D. Hitlin , T. Huber , T. Hurth , T. Iijima , A. Ishikawa , G. Isidori , S. Jager , A. Khodjamirian , P. Koppenburg , T. Lagouri , U. Langenegger , C. Lazzeroni , A. Lenz , V. Lubicz , W. Lucha , H. Mahlke , D. Melikhov , F. Mescia , M. Misiak , M. Nakao , J. Napolitano , N. Nikitin , U. Nierste , K. Oide , Y. Okada , P. Paradisi , F. Parodi , M. Patel , A. A. Petrov , T. N. Pham , M. Pierini , S. Playfer , G. Polesello , A. Policicchio , A. Poschenrieder , P. Raimondi , S. Recksiegel , P. Reznicek , A. Robert , S. Robertson , J. L. Rosner , G. Ruggiero , A. Sarti , O. Schneider , F. Schwab , S. Simula , S. Sivoklokov , P. Slavich , C. Smith , M. Smizanska , A. Soni , T. Speer , P. Spradlin , M. Spranger , A. Starodumov , B. Stech , A. Stocchi , S. Stone , C. Tarantino , F. Teubert , S. T'Jampens , K. Toms , K. Trabelsi , S. Trine , S. Uhlig , V. Vagnoni , J. J. van Hunen , G. Weiglein , A. Weiler , G. Wilkinson , Y. Xie , M. Yamauchi , G. Zhu , J. Zupan , R. Zwicky

Summary of some of the most recent measurements performed by LHCb on rare decays and lepton favour universality tests.

High Energy Physics - Experiment · Physics 2022-07-18 Silvia Ferreres-Solé

In the Standard Model (SM), the coupling of the electroweak gauge bosons to the leptons is lepton flavour universal. Tests of this property constitute sensitive probes for new physics models that violate lepton flavour universality. Recent…

High Energy Physics - Experiment · Physics 2018-07-01 Christoph Langenbruch