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In the first part of the talk the interesting new results of MINOS, OPERA and CMS collaborations (connected with the observational evidence of the rise in the muon charge ratio at muon energies around 1 TeV) are briefly discussed from…

High Energy Physics - Phenomenology · Physics 2010-12-22 Edgar Bugaev

The physics of charm has become one of the best laboratories exposing the limitations of the naive constituent quark model and also giving hints into a more mature description of meson spectroscopy, beyond the simple quark--antiquark…

High Energy Physics - Phenomenology · Physics 2015-05-18 J. Vijande , A. Valcarce

The masses of heavy quark baryons are studied in an expansion in 1/N_c, SU(3) flavor symmetry breaking, and heavy-quark symmetry breaking. Very accurate model-independent mass relations are obtained for charm and bottom baryons.

High Energy Physics - Phenomenology · Physics 2009-11-07 E. Jenkins

The implementation of the heavy quark spin symmetry in possible molecular states at the mixed bottom-charm threshold is somewhat different from that at the open charm or bottom thresholds. In particular it depends on two parameters…

High Energy Physics - Phenomenology · Physics 2018-10-10 M. B. Voloshin

Heavy-quark production provides a sensitive probe of the gluon structure of nucleons and its modication in nuclei. It is also a key probe of the hot-dense matter created in heavy-ion collisions. We will discuss the physics issues involved,…

Nuclear Experiment · Physics 2008-11-26 M. J. Leitch

Results on open charm and beauty production and on the search for top production in high-energy electron-proton collisions at HERA are reviewed. This includes a discussion of relevant theoretical aspects, a summary of the available…

High Energy Physics - Experiment · Physics 2015-06-26 O. Behnke , A. Geiser , M. Lisovyi

The most recent measurements of the top quark mass at the D0 experiment are summarized. Different techniques and final states are used and the top quark mass is determined to be mtop=172.8+-1.6(stat+syst)GeV/c^2. In addition, a new,…

High Energy Physics - Experiment · Physics 2009-06-02 Alexander Grohsjean

We report on the charm physics potential at BES-III at BEPC-II which will make significant contribution to quark flavor physics this decade. The charm physics program will include studies of leptonic, semileptonic and hadronic charm decays,…

High Energy Physics - Experiment · Physics 2009-11-11 Haibo Li

We present a study of charm physics using RBC/UKQCD 2+1 flavour physical point domain wall fermion ensembles for the light quarks as well as for the valence charm quark. After a brief motivation of domain wall fermions as a suitable heavy…

This talk is a brief review of the recent studies on probing new physics through single top quark processes and probing exotic top quark decays at the upgraded Tevatron.

High Energy Physics - Phenomenology · Physics 2007-05-23 J. M. Yang , A. Datta , M. Hosch , C. S. Li , R. J. Oakes , K. Whisnant , B. -L. Young , X. Zhang

I give a personal account of the development of the field of heavy quarks. After reviewing the experimental discovery of charm and bottom quarks, I describe how the field's focus shifted towards determination of CKM elements and how this…

High Energy Physics - Phenomenology · Physics 2014-11-18 Benjamin Grinstein

We discuss associated production of a Higgs boson with a pair of $t {\bar t}$ quarks at a future high energy $e^+e^-$ collider. The process $e^+e^-\to t {\bar t}h$ is particularly sensitive to the presence of new physics and we consider the…

High Energy Physics - Phenomenology · Physics 2009-11-07 S. Dawson , L. Reina

Our community has to apply {\em non}-perturbative QCD on different levels of flavor dynamics in strange, charm \& beauty hadrons and even for top quarks. We need {\em consistent} parameterization of the CKM matrix and describe weak decays…

High Energy Physics - Phenomenology · Physics 2018-08-01 I. I. Bigi

We study the quantum properties of top quark pairs in lepton colliders with unpolarised beams, including spin correlations, entanglement, and violation of Bell inequalities. We present analytical results in the SM and in the SMEFT and…

High Energy Physics - Phenomenology · Physics 2024-09-27 Fabio Maltoni , Claudio Severi , Simone Tentori , Eleni Vryonidou

The top quark is the most recently discovered quark. Relatively little is known about its properties so far. Due to its very large mass of about $175 \rm GeV/c^2$, the top quark behaves differently from all other quarks and provides a…

High Energy Physics - Experiment · Physics 2007-05-23 Arnulf Quadt

The $B_c ^+$ family of $(c\bar{b})$ mesons with beauty and charm is of special interest among heavy quarkonium systems. The $B_c ^+$ mesons are intermediate between $(c\bar{c})$ and $(b\bar{b})$ states both in mass and size, so many…

High Energy Physics - Phenomenology · Physics 2019-06-18 Estia J. Eichten , Chris Quigg

In a series of three lectures, I review the theory and phenomenology of heavy quark masses and mixing angles and the status of their determination. In addition, I give an introduction to heavy quark symmetry, with the main emphasis on the…

High Energy Physics - Phenomenology · Physics 2016-10-26 M. Neubert

Top quark production in the process $e^+e^- \rightarrow t\bar{t}$ at a future linear electron positron collider with polarized beams is a powerful tool to determine the scale of new physics. Studies at the $\ttbar$ threshold will allow for…

High Energy Physics - Experiment · Physics 2014-01-07 D. Asner , A. Hoang , Y. Kiyo , R. Pöschl , Y. Sumino , M. Vos

Recently, experimental collaborations have reported $\mathcal{O}(10)$ upper limits on the signal strength of four-top production at the LHC, which already leads to competitive constraints on certain type of top-quark operators. On the other…

High Energy Physics - Phenomenology · Physics 2017-11-28 Cen Zhang

Top quarks can be produced abundantly at hadron colliders like the Tevatron at Fermilab and the Large Hadron Collider at CERN, and a variety of measurements of top-quark properties have been gathered in the recent years from four…

High Energy Physics - Experiment · Physics 2014-09-03 Andrea Castro
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