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Measurements performed with pairs of charm mesons produced at threshold from the decay of the $\psi(3770)$ resonance are of great value in flavour physics. The quantum correlation that exists between the two mesons allows unique access to…

High Energy Physics - Experiment · Physics 2021-09-24 Guy Wilkinson

In contrast with $B^0-\bar B^0$, $B_s-\bar B_s$ mixing where the standard model (SM) contributions overwhelm that of new physics beyond standard model (BSM), a measured relatively large $D^0-\bar D^0$ mixing where the SM contribution is…

High Energy Physics - Phenomenology · Physics 2015-06-18 Lian-Bao Jia , Ming-Gang Zhao , Hong-Wei Ke , Xue-Qian Li

Precision results on the leptonic, semileptonic, and hadronic decays of charm mesons are reviewed. These results are important for timely progress in weak flavor physics both in their own right and as checks of theoretical calculations.…

High Energy Physics - Experiment · Physics 2009-04-07 Roy A. Briere

A summary of recent progress in charm mixing and CP violation is presented, with a heavy bias towards experimental results.

High Energy Physics - Experiment · Physics 2014-11-18 M. J. Charles

We discuss a search for CPT violation in neutral charm meson oscillations. The data come from the Fermilab fixed-target experiment FOCUS. While flavor mixing in the charm sector is predicted to be small by the standard model, it is still…

High Energy Physics - Experiment · Physics 2017-08-23 R. W. Gardner

Charm meson decay dynamics have been studied extensively over the last decade. We describe the Dalitz-plot analysis technique which has been applied by many experiments to three-body D0, D+ and Ds decays. We discuss experimental results…

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

Recent results from CLEO-c, BABAR, and Belle on measurements of absolute branching fractions of D and D_s mesons are reviewed.

High Energy Physics - Experiment · Physics 2008-11-26 Anders Ryd

I would like to discuss $D^0-\bar{D}^0$ the mixing and rare D decays as manifestations of Flavor Changing Neutral Currents (FCNC) in the charm sector. I will first review the expectations in the Standard Model (SM) and then summarize some…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. Pakvasa

Current status of charm mixing search, lifetime difference measurement and rare decay search are reported. The best upper limit at 95% CL for mixing is reported from the CLEO collaboration. E791 has reported lifetime difference measurement…

High Energy Physics - Experiment · Physics 2016-11-23 Hwanbae Park

We provide a comprehensive, up-to-date analysis of possible New Physics contributions to the mass difference $\Delta M_D$ in $D^0$-${\bar D}^0$ mixing. We consider the most general low energy effective Hamiltonian and include leading order…

High Energy Physics - Phenomenology · Physics 2008-11-26 Eugene Golowich , JoAnne Hewett , Sandip Pakvasa , Alexey A. Petrov

The CLEO collaboration proposes to explore the charm sector starting early 2003. It is foreseen to collect on the order of 6 million D D-bar pairs, 300000 Ds Ds-bar pairs at threshold and one billion J/psi decays. High precision charm data…

High Energy Physics - Experiment · Physics 2009-11-07 David Urner

Even in 2010 the CKM parameters $V_{cs}$, $V_{cd}$ and $V_{ub}$ will be known with less than desirable accuracy; the discovery potential for New Physics in charm decays -- in particular their CP asymmetries -- will be far from exhausted;…

High Energy Physics - Phenomenology · Physics 2009-10-31 I. I. Bigi

Current experimental information on the charm meson decay observables in which the $c\to s\ell\nu_\ell$ transitions occur is well compatible with the Standard Model predictions. Recent precise lattice calculations of the $D_s$ meson decay…

High Energy Physics - Phenomenology · Physics 2015-05-13 Svjetlana Fajfer , Ivan Nisandzic , Ursa Rojec

Neutral flavour meson oscillations are a fascinating quantum phenomenon that allows for high-precision tests of fundamental symmetries, including CPT invariance. In this contribution, we present the methodology for testing CPT violation in…

High Energy Physics - Phenomenology · Physics 2025-07-09 W. Krzemien , M . Kmiec , A. Szabelski , W. Wislicki

This paper presents the results of searches for the flavor-changing neutral current, lepton-number-violating and lepton-flavor-violating processes in the charm mesons decays. Recent results from charged $D$ mesons decays to final states…

High Energy Physics - Experiment · Physics 2008-11-26 Hai-Bo Li

This invited summary gives some concluding remarks regarding theoretical aspects of the research presented at Charm2010. I will specialize to the role of theory and the relative reach of theory and experiment in three of the major areas of…

High Energy Physics - Phenomenology · Physics 2015-05-20 T. Barnes

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

We derive bounds on the electric and chromo-electric dipole moments of the charm quark. The second one turns out to be particularly strong, and we quantify its impact on models that allow for a sizeable flavour violation in the up quark…

High Energy Physics - Phenomenology · Physics 2015-06-18 Filippo Sala

Several high energy experiments have been actively pursuing the analyses of semileptonic decays of charm mesons, resulting in numerous new results and publications. In this report, we summarize the recent efforts on the topics of…

High Energy Physics - Experiment · Physics 2008-11-26 Doris Yangsoo Kim

The observation of $D^0 - \bar D^0$ oscillations has left us in a tantalizing quandary concerning the theoretical interpretation: are they still compatible with the SM or might they require new dynamics (NP)? A comprehensive search for CP…

High Energy Physics - Phenomenology · Physics 2009-07-20 I. I. Bigi