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Related papers: K-matrix and Dalitz plot analysis from FOCUS

200 papers

The measured D*+/-, D0, D+/-, D_s+/- and /\_c+/- photoproduction cross sections have been used to determine charm fragmentation ratios and fractions of c quarks hadronising as a particular charm hadron, f(c -> D, /\_c). Events with a D*+/-…

High Energy Physics - Experiment · Physics 2019-08-14 Leonid Gladilin

In this contribution, the latest results on hadronization studies of charm and beauty quarks obtained with the data collected with the ALICE experiment at the LHC are presented. Measurements of prompt and non-prompt charm-hadron production…

High Energy Physics - Experiment · Physics 2023-05-18 Mattia Faggin

In this talk I review some topics related to flavor physics in kaon decays with emphasis on the roles which kaon decays can play in the determinations of hadronic matrix elements, the CKM parameters and new physics beyond the Standard…

High Energy Physics - Phenomenology · Physics 2007-05-23 Xiao-Gang He

We present an analysis of the $e^+ e^- \to \gamma^* \to J/\psi \, \pi \, \pi \, (K \bar{K})$ and $e^+ e^- \to \gamma^* \to h_c \, \pi \, \pi$ processes employing the recently proposed Dalitz-plot decomposition approach, which is based on…

High Energy Physics - Phenomenology · Physics 2025-04-11 Viktoriia Ermolina , Igor Danilkin , Marc Vanderhaeghen

Heavy long-lived quarks, i.e. charm and bottom, are frequently studied both as tests of QCD and as probes for other physics aspects within and beyond the standard model. The long life-time implies that charm and bottom hadrons are formed…

High Energy Physics - Phenomenology · Physics 2008-11-26 E. Norrbin , T. Sjöstrand

Recent work in light flavour hadron physics is reviewed. In particular, I discuss the significance of the progress achieved with light dynamical quarks on the lattice for the effective low energy theory of QCD. Also, I draw attention to…

High Energy Physics - Phenomenology · Physics 2007-07-10 H. Leutwyler

We briefly review common features and overlapping issues in hadron and flavor physics focussing on continuum QCD approaches to heavy bound states, their mass spectrum and weak decay constants in different strong interaction models.

Nuclear Theory · Physics 2018-03-14 Bruno El-Bennich

A summary of the results of several recent studies of charm mixing is presented. A number of different methods were used, including the measurement of lifetime ratios for final states of different CP, time dependence of wrong-sign hadronic…

High Energy Physics - Experiment · Physics 2009-02-02 M. J. Charles

A wealth of new data in charmed particle physics allows the testing of flavor symmetry and the extraction of key amplitudes. Information on relative strong phases is obtained.

High Energy Physics - Phenomenology · Physics 2011-06-15 Bhubanjyoti Bhattacharya , Jonathan L. Rosner

We review recent results of Lattice QCD calculations relevant for flavour physics. We discuss in particular the hadronic parameters entering the amplitudes of K0-K0bar, D0-D0bar and B0-B0bar mixing, the B- and D-meson decay constants and…

High Energy Physics - Lattice · Physics 2010-11-11 Vittorio Lubicz , Cecilia Tarantino

Flavour physics offers interesting probes for the exploration of the Standard Model and the search for new physics. In these lectures, we focus on B- and K-meson decays, introduce the concept of low-energy effective Hamiltonians to describe…

High Energy Physics - Phenomenology · Physics 2016-11-09 Robert Fleischer

I review recent measurements of the branching fractions of hadronic D^0, D^+, and D_s decays and Dalitz analyses of these and other hadronic D decay modes.

High Energy Physics - Experiment · Physics 2008-11-26 David G. Cassel

Lattice quantum chromodynamics provides first principles calculations for hadrons containing heavy quarks -- charm and bottom quarks. Their mass spectra, decay rates, and some hadronic matrix elements can be calculated on the lattice in a…

High Energy Physics - Phenomenology · Physics 2009-11-10 Shoji Hashimoto , Tetsuya Onogi

The coherence factor and average strong phase difference of D0 and D0bar decay amplitudes to the same final state play an important role in the precision determination of the CKM parameter gamma using B- -> DK- and related decay modes. So…

High Energy Physics - Phenomenology · Physics 2013-12-09 Samuel Harnew , Jonas Rademacker

We present an analysis of the decay $D^0 \to K^+\pi^-$ from FOCUS. From a sample of 234 events we find a branching ratio of $\frac{\Gamma(D^0 \to K^+\pi^-)}{\Gamma(D^0 \to K^-\pi^+)} = (0.430^{+0.062}_{-0.061}\pm 0.031)%$ under the…

High Energy Physics - Experiment · Physics 2019-08-14 Kevin Stenson

We study the Dalitz decays of heavy quarkonia, which result from the internal virtual photon conversion into an $\ell^+ \ell^-$ lepton pair. Heavy-quark symmetries allow us to establish systematic relations between transitions of different…

High Energy Physics - Phenomenology · Physics 2026-02-03 Pietro Colangelo , Fulvia De Fazio , Riccardo Pinto

The UT{\it{fit}} Collaboration has produced several analyses in the context of flavour physics both within and beyond the Standard Model. In this paper we present updated results for the Standard Model analysis of the Unitarity Triangle…

High Energy Physics - Phenomenology · Physics 2009-06-09 M. Bona , M. Ciuchini , E. Franco , V. Lubicz , G. Martinelli , F. Parodi , M. Pierini , C. Schiavi , L. Silvestrini , V. Sordini , A. Stocchi , C. Tarantino , V. Vagnoni

Over the last few years lattice techniques have been used to investigate candidate theories of new physics beyond the Standard Model. This review gives a survey of results from these studies. Most of these investigations have been of…

High Energy Physics - Phenomenology · Physics 2016-04-20 Thomas DeGrand

Although the Standard Model has been firmly established, the search for physics beyond the SM is ongoing by investigating new experimental probes. Rare charm decays are a unique tool to access New Physics studies. The high luminosity…

High Energy Physics - Experiment · Physics 2022-07-29 M. Destefanis

The bag parameters and the decay constants of neutral B and K mesons were among the non-perturbative hadronic inputs to the classical CKM Unitarity Triangle Analysis. Thanks to the big amount of experimental information collected in the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Nazario Tantalo