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Related papers: Charm Quark Mass with Calibrated Uncertainty

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The one-loop corrections to the bottomonium mass spectrum due to the finite charm mass are evaluated in the framework of the relativistic quark model. The obtained corrections are compared with the results of perturbative QCD.

High Energy Physics - Phenomenology · Physics 2009-11-07 D. Ebert , R. N. Faustov , V. O. Galkin

Lattice determinations of quark mass have made significant progress in the last few years. I will review recent advances in calculations of charm and bottom mass, which are near to achieving percent-level precision and with fully controlled…

High Energy Physics - Lattice · Physics 2015-09-11 Andrew T. Lytle

We study the diffusion properties of an interacting hadron gas and evaluate the diffusion coefficient matrix for the baryon, strange, electric, and charm quantum numbers. For the first time, this study sheds light on the charm current and…

High Energy Physics - Phenomenology · Physics 2025-02-04 Kangkan Goswami , Kshitish Kumar Pradhan , Dushmanta Sahu , Jayanta Dey , Raghunath Sahoo

The bottomonium spectrum up to $n = 3$ is studied within Non-Relativistic Quantum Chromodynamics up to N$^3$LO. We consider finite charm quark mass effects both in the QCD potential and the $\overline{\mathrm{MS}}$-pole mass relation up to…

High Energy Physics - Phenomenology · Physics 2018-01-29 Vicent Mateu , Pablo G. Ortega

Charmonium sum rules for pseudoscalar 0^{-+} state eta_c(1S) are analyzed within perturbative QCD and Operator Product Expansion. The perturbative part of the pseudoscalar correlator is considered at alpha_s^2 order and the contribution of…

High Energy Physics - Phenomenology · Physics 2009-11-07 K. Zyablyuk

We present a preliminary calculation of the charmed meson spectrum using the 2+1 flavor domain wall fermion lattice configurations currently being generated by the RBC and UKQCD collaborations. The calculation is performed using the…

High Energy Physics - Lattice · Physics 2014-11-18 Huey-Wen Lin

In present work, we systematically calculate the mass spectra of open charm and bottom tetraquarks $q q\bar q \bar Q$ within an extended relativized quark model. The four-body relativized Hamiltonians including the Coulomb potential,…

High Energy Physics - Phenomenology · Physics 2020-11-04 Qi-Fang Lü , Dian-Yong Chen , Yu-Bing Dong

Employing the heavy quark expansion model with the kinetic scheme, we evaluate $\alpha_S(m_c^2)$, the strong coupling constant at the charm quark mass $m_c$ with data on inclusive semileptonic decays of charmed mesons. Using the…

High Energy Physics - Phenomenology · Physics 2025-02-24 Jinfei Wu , Xinchou Lou , Yuzhi Che , Gang Li , Yanping Huang , Manqi Ruan , Jingbo Ye

This talk reviews the progress made in the determination of the light quark masses using lattice QCD and QCD sum rules. Based on preliminary calculations with three flavors of dynamical quarks, the lattice estimate is $m_s = 75(15)$ MeV, a…

High Energy Physics - Phenomenology · Physics 2007-05-23 Rajan Gupta

Finite energy QCD sum rules involving both inverse and positive moment integration kernels are employed to determine the bottom quark mass. The result obtained in the $\bar{\text {MS}}$ scheme at a reference scale of $10\, {GeV}$ is…

High Energy Physics - Phenomenology · Physics 2015-06-03 S. Bodenstein , J. Bordes , C. A. Dominguez , J. Penarrocha , K. Schilcher

The mass components of charmoniumlike states are investigated through the decomposition of QCD energy-momentum tensor (EMT) on lattice. The quark mass contribution $\langle H_m\rangle$ and the momentum fraction $\langle x\rangle$ of valence…

High Energy Physics - Lattice · Physics 2021-05-12 Wei Sun , Ying Chen , Peng Sun , Yi-Bo Yang

We extract the magnitude of the CKM matrix element Vcb and the most relevant parameters of the Heavy Quark Expansion from data of inclusive semileptonic B decays. Our calculation includes the recently computed O(alphas Lambda^2/mb^2)…

High Energy Physics - Phenomenology · Physics 2015-03-05 Andrea Alberti , Paolo Gambino , Kristopher J. Healey , Soumitra Nandi

We present preliminary results of the calculation of the positive-parity ground state charm baryon spectrum using of N_f=2+1+1$ dynamical quarks. The calculation uses a relativistic heavy-quark action for the valence charm quark,…

High Energy Physics - Lattice · Physics 2011-11-07 Raúl A. Briceño , Daniel Bolton , Huey-Wen Lin

The non-perturbative nature of QCD at hadronic scales implied the development of phenomenological approaches such as quark models or, more recently, computer-based calculations using Lattice QCD. However, the unique properties of heavy…

High Energy Physics - Phenomenology · Physics 2017-11-29 Pablo G. Ortega , Vicent Mateu

We report results of our recent works [1,2] where we where the correlations between the c,b-quark running masses{m}_{c,b}, the gluon condensate<\alpha_s G^2> and the QCD coupling \alpha_s in the MS-scheme from an analysis of the charmonium…

High Energy Physics - Phenomenology · Physics 2023-08-08 Stephan Narison

The magnetic moments of the recently observed resonance $X_b(5568)$ by DO Collaboration and its partner with charm quark are calculated in the framework of the light cone QCD sum rules, by assuming that these resonances are represented as…

High Energy Physics - Phenomenology · Physics 2017-03-01 A. K. Agamaliev , T. M. Aliev , M. Savcı

The role of charm in testing the Standard Model description of quark mixing and CP violation through measurements of lifetimes, decay constants and semileptonic form factors is reviewed. Together with Lattice QCD, charm has the potential…

High Energy Physics - Experiment · Physics 2008-11-26 I. Shipsey

Constraints on the intrinsic charm probability $\wccm = P_{{\mathrm{c}\bar \mathrm{c}} / \mathrm{p}}$ in the proton are obtained for the first time from LHC measurements. The ATLAS Collaboration data for the production of prompt photons,…

High Energy Physics - Phenomenology · Physics 2018-08-14 V. A. Bednyakov , S. J. Brodsky , A. V. Lipatov , G. I. Lykasov , M. A. Malyshev , J. Smiesko , S. Tokar

We present a relativistic heavy-quark action tuning for the charm sector on ensembles generated by the CLS consortium. We tune a particular 5-parameter action in an entirely non-perturbative and -- up to the chosen experimental input --…

High Energy Physics - Lattice · Physics 2022-08-31 R. J. Hudspith , D. Mohler

We have performed the first $n_f = 2+1+1$ lattice QCD computations of the properties (masses and decay constants) of ground-state charmonium mesons. Our calculation uses the HISQ action to generate quark-line connected two-point correlation…

High Energy Physics - Lattice · Physics 2020-09-30 D. Hatton , C. T. H. Davies , B. Galloway , J. Koponen , G. P. Lepage , A. T. Lytle