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Related papers: Heavy Flavours at LEP

200 papers

Axions and axion-like particles (ALPs) are well-motivated low-energy relics of high-energy extensions of the Standard Model (SM). We investigate the phenomenology of an ALP with flavor-changing couplings, and present a comprehensive…

High Energy Physics - Phenomenology · Physics 2022-09-28 Martin Bauer , Matthias Neubert , Sophie Renner , Marvin Schnubel , Andrea Thamm

We review the status of flavour physics in spring 2014. The numerous accurate new measurements of flavour experiments have enabled us to test our theoretical understanding of flavour processes with an unprecedented precision. At first sight…

High Energy Physics - Phenomenology · Physics 2015-06-19 Alexander Lenz

The interplay of flavour and collider physics is entering a new era with the start-up of the LHC. During the past few years rare B decays and in particular b -> s gamma transitions have been extensively used and provided exciting…

High Energy Physics - Phenomenology · Physics 2010-12-01 F. Mahmoudi

Heavy neutrinos at the TeV scale have been searched for at the LHC in the context of left-right models, under the assumption that they couple to the electron, the muon, or both. We show that current searches are also sensitive to heavy…

High Energy Physics - Phenomenology · Physics 2012-05-25 J. A. Aguilar-Saavedra , F. Deppisch , O. Kittel , J. W. F. Valle

Semileptonic $b \rightarrow s\ell \ell$ processes constitute a good probe for new physics phenomena: new particles contributing to the loops could affect branching fractions and angular distributions, and have different couplings to…

High Energy Physics - Experiment · Physics 2017-08-09 Guido Andreassi

The most recent b-physics results from the OPAL experiment at LEP are reviewed. A measurement of semileptonic B meson decays to narrow orbitally-excited charm mesons is presented first, followed by a study of charm production in b-hadron…

High Energy Physics - Experiment · Physics 2011-09-13 David Waller

The measurements of rare leptonic and semi-leptonic B decays performed at the LHC, not showing any significant deviations from the Standard Model expectations, put strong constraints on new physics. A brief account of the impact of recent…

High Energy Physics - Phenomenology · Physics 2013-05-27 David M. Straub

Latest results on open heavy favour measurements in pp collisions at 7 TeV and Pb-Pb collisions at sqrt(s_NN) = 2.76 TeV with the ALICE experiment are presented. The results of the single lepton analyses (electrons at central rapidity,…

Nuclear Experiment · Physics 2019-08-13 Davide Caffarri

The current status of the theory and phenomenology of weak decays of hadrons containing a heavy quark is reviewed. Exclusive semileptonic and rare decays of $B$ mesons are discussed, as well as inclusive decay rates, the semileptonic…

High Energy Physics - Phenomenology · Physics 2008-02-03 Matthias Neubert

The experimental measurements on flavour physics, in tension with Standard Model predictions, exhibit large sources of Lepton Flavour Universality violation. This note summarises an analysis of the effects of the global fits to the Wilson…

High Energy Physics - Phenomenology · Physics 2021-06-15 Jorge Alda , Jaume Guasch , Siannah Penaranda

With the running B, kaon and neutrino physics experiments, flavour physics takes centre stage within today's particle physics. We discuss the opportunities offered by these experiments in our search for new physics beyond the SM and discuss…

High Energy Physics - Phenomenology · Physics 2008-11-26 Tobias Hurth

Prospects for heavy flavour studies with the CMS and ATLAS detectors are presented. Many studies are aimed for early LHC data, taking advantage of the large $b$ production cross-section. Rare decay studies as the $B_s \to \mu^+\mu^-$ decay…

High Energy Physics - Experiment · Physics 2019-08-14 L. Wilke

A massive gauge boson coupling to the third family but not lighter families mixes with the $Z$. The $Z$ partial width to $b\overline{b}$ increases, the $\tau$ asymmetry parameter increases, the invisible width of the $Z$ decreases, and…

High Energy Physics - Phenomenology · Physics 2010-11-01 B. Holdom

The Large Hadron Collider will be a unique place to find new physics in the next decade. A huge production of b and c quarks will allow a rich programme of Heavy Flavour Physics to be carried out either by the multipurpose experiments ATLAS…

High Energy Physics - Experiment · Physics 2011-09-23 Pascal Perret

In recent years, PHENIX has studied many important observables related to heavy-flavor physics through their leptonic decay measurements including the invariant yield of electrons from nonphotonic sources, and prompt single muons, both of…

Nuclear Experiment · Physics 2019-08-21 Marisilvia Donadelli

This is a limited review and update of the status of Heavy Flavor Physics. After we review the flavor problem we discuss a number of topics: recent puzzles in purely leptonic D and B decays and their possible resolutions, mixing in neutral…

High Energy Physics - Phenomenology · Physics 2016-09-08 Benjamin Grinstein

The ALICE experiment at the CERN LHC has conducted first systematic studies of heavy-flavour hadron production in pp collisions at sqrt(s) = 7 TeV and in Pb-Pb collisions at sqrt(s_NN) = 2.76 TeV. In pp collisions the differential…

Nuclear Experiment · Physics 2019-08-15 Ralf Averbeck

I review recent progress in lattice computations relevant for $B$- and charm physics, focusing on decay and mixing amplitudes with a direct impact on CKM analysis. Emphasis is put on the interplay with the upcoming new generation of…

High Energy Physics - Lattice · Physics 2016-07-08 Carlos Pena

We review the status of hard interactions, in particular of jet and heavy flavor production, at HERA and LEP. Emphasis is given to recent theoretical developments. Instantons, event shapes, and prompt photons are also briefly discussed.

High Energy Physics - Phenomenology · Physics 2015-06-25 M. Klasen

We present an overview of recent work on flavour physics in the presence of a sequential fourth generation. We will discuss shortly the constraints on the new parameters and in the reminder present predictions for observables like Br(B_s ->…

High Energy Physics - Phenomenology · Physics 2010-12-07 Tillmann Heidsieck