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Related papers: Physics of tau and charm

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In this talk I would like to discuss two aspects of charm physics. One is to show that many standard model predictions for rare decay modes (along with $D^0 -\bar{D}^0$ mixing and CP violation) are extremely small thus opening a window for…

High Energy Physics - Phenomenology · Physics 2011-04-15 Sandip Pakvasa

Recent developments in charm physics within the standard model and beyond are reviewed. The precision study of leptonic charm meson decays accompanied with the constraints coming from K, B and tau physics enables to determine constraints on…

High Energy Physics - Phenomenology · Physics 2012-01-31 S. Fajfer

The pure leptonic or semileptonic character of tau decays makes them a good laboratory to test the structure of the weak currents and the universality of their couplings to the gauge bosons. The hadronic $\tau$ decay modes constitute an…

High Energy Physics - Phenomenology · Physics 2011-04-15 A. Pich

We summarize recent results for charm physics. These results span several categories: charm mixing, indirect (time-dependent) CP violation, direct (time-integrated) CP violation, T violation, semileptonic and leptonic decays, and decays of…

High Energy Physics - Experiment · Physics 2018-08-01 A. J. Schwartz

The FOCUS photoproduction experiment took data in the ninenties and produced a wealth of results in charm physics. Some of the studies were seminal for contemporary experiments, and even paved the way for the technology of many charm and…

High Energy Physics - Experiment · Physics 2015-05-27 Stefano Bianco , Daniele Pedrini , Alberto Reis

The experimental observations that led to the quark structure of matter and the development of hadron physics are reviewed with emphasis on the discoveries of mesons and baryons, starting in the 1940s with the pion and kaon which mediate…

History and Philosophy of Physics · Physics 2025-03-20 Claude Amsler

The first period of the Tevatron Run II has been dominated by low-Pt physics. Both detectors, and their trigger/DAQ systems have been largely modified to exploit as much as possible the large wealth of charm and beauty hadrons produced by…

High Energy Physics - Experiment · Physics 2009-09-29 Mario Campanelli

Large production of the $\ccbar$ pairs and high integrated luminosity make the PEPII B-Factory, an excellent place for studying the charm hadrons. In this paper, we present a few of the most recent results from the BaBar collaboration in…

High Energy Physics - Experiment · Physics 2009-11-11 Chunhui Chen

We review recent developments in charm physics, focusing on the physics of charmed mesons. We discuss charm spectroscopy, decay constants, as well as searches for new physics with charmed mesons. We discuss D0-anti-D0 mixing and…

High Energy Physics - Phenomenology · Physics 2007-05-23 Alexey A. Petrov

Recent results on physics in the charm energy region are reviewed. (1) The new data and puzzles in exclusive hadronic decays of $J/\psi$ and $\psi'$ give new challenges to the theory of hadronic decays. (2) With the new observation for…

High Energy Physics - Phenomenology · Physics 2007-05-23 Kuang-Ta Chao

The charmed baryon was first observed experimentally in 1975, one year after the charm quark's confirmation via the discovery of the $J/\psi$ particle. Studying charmed baryon decays provides a pathway to investigate both strong and weak…

High Energy Physics - Experiment · Physics 2025-12-01 Pei-Rong Li , Xiao-Rui Lyu , Yangheng Zheng

This is part I of a two-part review of charm physics. After briefly recapitulating the history of the charm quantum number we sketch the experimental environments and instruments employed to study the behaviour of charm hadrons and then…

High Energy Physics - Experiment · Physics 2009-09-29 S. Bianco , F. L. Fabbri , D. Benson , I. Bigi

This is an update of the two articles (H.Y. Cheng, 2009; Cheng, 2015) in which charmed baryon physics around 2007 and 2015, respectively, were reviewed. In this review we emphasize the experimental progress and the theoretical development…

High Energy Physics - Phenomenology · Physics 2022-08-10 Hai-Yang Cheng

The charm physics program accessible to a Tau-Charm Factory is summarized. Semileptonic, leptonic, hadronic, rare and forbidden charm decay modes are discussed, as well as \dmix\ mixing and CP violation in the charm sector. The theoretical…

High Energy Physics - Phenomenology · Physics 2009-09-25 J. L. Hewett

The leptonic decays of the tau lepton provide relevant tests on the structure of the weak currents and the universality of their couplings to the gauge bosons. The hadronic tau decay modes constitute an ideal tool for studying low--energy…

High Energy Physics - Phenomenology · Physics 2009-10-31 A. Pich

The $B$-factories provide rich opportunities to search for new phenomena, in $B$, charm, and tau decays. Presented here is a selection of recent results from Belle and Babar.

High Energy Physics - Experiment · Physics 2007-05-23 K. Kinoshita

An overview of tau lepton physics is presented, using the tau lepton discovery and its precision measurements as examples to illustrate the importance of the energy region to be covered by the super tau-charm factory. By presenting the…

High Energy Physics - Experiment · Physics 2026-01-29 Zhiqing Zhang

During the last few years there has been a renaissance in charm and charmonium spectroscopy with higher precision measurements at the $\psi^{'}$ and $\psi(3770)$ coming from BESII and CLEOc and many new discoveries coming from B-factories.…

High Energy Physics - Experiment · Physics 2008-10-20 Frederick A. Harris

The pure leptonic or semileptonic character of tau decays makes them a good laboratory to test the structure of the weak currents and the universality of their couplings to the gauge bosons. The hadronic tau decay modes constitute an ideal…

High Energy Physics - Phenomenology · Physics 2016-11-03 A. Pich

The world of particle physics was revolutionised in November 1974 by the discovery of the J/psi particle, the first particle to be identified as a quarkonium state composed of charm quarks and antiquarks. The charmonium interpretation of…

High Energy Physics - Phenomenology · Physics 2025-08-18 John Ellis