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Related papers: Semileptonic D-decays and Lattice QCD

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This paper is a review of recent lattice QCD results for $D$ and $D_s$ meson leptonic and semileptonic decays. The theory inputs needed for the determination of $V_{cd}$ and $V_{cs}$ from experimental results are the meson decay constants…

High Energy Physics - Lattice · Physics 2014-11-14 Jonna Koponen

We present results of a lattice computation of the matrix elements of the vector and axial-vector currents which are relevant for the semi-leptonic decays $D \rightarrow K$ and $D \rightarrow K^*$. The computations are performed in the…

High Energy Physics - Lattice · Physics 2012-08-27 UKQCD Collaboration

We estimate statistical and systematic errors in the extraction of the CKM ratio |Vcd|/|Vcs| from exclusive D-meson semileptonic decays using lattice QCD and anticipated new experimental results.

High Energy Physics - Lattice · Physics 2009-10-31 J. N. Simone , A. X. El-Khadra , S. Hashimoto , A. S. Kronfeld , P. B. Mackenzie , S. M. Ryan

This review article summarizes recent lattice QCD results for $D$ and $D_s$ meson leptonic and semileptonic decays. Knowing the meson decay constants and semileptonic form factors from theory, one can extract CKM elements $V_{cd}$ and…

High Energy Physics - Lattice · Physics 2013-11-28 Jonna Koponen

We present a lattice QCD calculation of the form factors and differential decay rates for semileptonic decays of the heavy-light mesons $B$ and $D$ to the final state $\pi l\nu$. The results are obtained with three methodological…

High Energy Physics - Phenomenology · Physics 2010-11-19 Aida X. El-Khadra , Andreas S. Kronfeld , Paul B. Mackenzie , Sinead M. Ryan , James N. Simone

We use lattice QCD to fully determine the CKM matrix. |V_{cd}|, |V_{cs}|, |V_{ub}|, |V_{cb}| and |V_{us}| are, respectively, directly determined with recent lattice results for form factors of semileptonic D->pi l nu, D->K l nu, B->pi l nu,…

High Energy Physics - Phenomenology · Physics 2007-05-23 Masataka Okamoto

In this paper, we review recent calculations of the CKM matrix elements $|V_{cd}|$ and $|V_{cs}|$ from semileptonic and leptonic decays of $D$ and $D_s$ mesons using lattice QCD methods.

High Energy Physics - Lattice · Physics 2013-01-22 Heechang Na

One important task in the field of flavor physics is to over-constrain the CKM matrix. To best extract CKM matrix elements, we need inputs from both experimental data and theoretical calculations. Latest knowledge about the CKM matrix shows…

High Energy Physics - Experiment · Physics 2013-02-04 Chunlei Liu

We present results for form factors of semileptonic decays of $D$ and $B$ mesons in 2+1 flavor lattice QCD using the MILC gauge configurations. With an improved staggered action for light quarks, we successfully reduce the systematic error…

This paper reviews recent progress of lattice gauge theory determinations of semileptonic B and D decay form factors. These determinations are important in extracting the remaining CKM matrix elements.

High Energy Physics - Phenomenology · Physics 2007-05-23 Alan Gray

We study the vector, scalar and tensor form factors for the semileptonic process $D\rightarrow K$ by using lattice Quantum Chromodynamcs (QCD). Chiral lattice fermions are used in our study: overlap fermion for the valence quark and…

High Energy Physics - Lattice · Physics 2025-03-04 Tinghong Shen , Ying Chen , Ming Gong , Dong-Hao Li , Keh-Fei Liu , Zhaofeng Liu , Zhenyu Zhang

We present a determination of the Cabibbo-Kobayashi-Maskawa matrix elements $|V_{cd}|$ and $|V_{cs}|$ obtained by combining the momentum dependence of the semileptonic vector form factors $f_+^{D \to \pi}(q^2)$ and $f_+^{D \to K}(q^2)$,…

High Energy Physics - Lattice · Physics 2018-08-01 L. Riggio , G. Salerno , S. Simula

The measured partial widths of the semileptonic decays D to K l nu and D to pi l nu can be combined with the form factors calculated on the lattice to extract the CKM matrix elements |V_cs| and |V_cd|. The lattice calculations can be…

High Energy Physics - Lattice · Physics 2019-08-15 Jon A. Bailey , A. Bazavov , A. X. El-Khadra , Steven Gottlieb , R. D. Jain , A. S. Kronfeld , R. S. Van de Water , R. Zhou

We present lattice results for the vector and scalar form factors of the semileptonic decays D -> \pi \ell \nu_ell and D -> K \ell \nu_\ell in the physical range of values of squared four momentum transfer q^2, obtained with N_f=2 maximally…

High Energy Physics - Lattice · Physics 2019-08-13 S. Di Vita , B. Haas , V. Lubicz , F. Mescia , S. Simula , C. Tarantino

In previous work Phys. Rev. D 107, 074507 (2023), we showed that form factors for radiative leptonic decays of pseudoscalar mesons can be determined efficiently and with high precision from lattice QCD using the ``3d method,'' in which…

High Energy Physics - Lattice · Physics 2025-09-23 Davide Giusti , Christopher F. Kane , Christoph Lehner , Stefan Meinel , Amarjit Soni

In this work we discuss in detail the non-perturbative determination of the momentum dependence of the form factors entering in semileptonic decays using unitarity and analyticity constraints. The method contains several new elements with…

High Energy Physics - Lattice · Physics 2021-09-15 M. Di Carlo , G. Martinelli , M. Naviglio , F. Sanfilippo , S. Simula , L. Vittorio

We review the results of lattice QCD calculations of form factors for semileptonic decays of D and B mesons. We also mention results for semileptonic decays of b baryons and the rare radiative decay B to K* gamma.

High Energy Physics - Lattice · Physics 2007-05-23 J. M. Flynn

The recent experimental results on leptonic $D^+_{(s)}$ decays, semileptonic $D$ decays, determinations of decay constants and form factors, as well as extractions of $|V_{cd}|$ and $|V_{cs}|$ are briefly reviewed. Global analysis of all…

High Energy Physics - Experiment · Physics 2014-11-17 Gang Rong

We present a lattice QCD determination of the vector and scalar form factors of the semileptonic decays D->\pi l \nu and D -> K l \nu which are relevant for the extraction of the CKM matrix elements |Vcd| and |Vcs| from experimental data.…

High Energy Physics - Lattice · Physics 2015-11-17 N. Carrasco , P. Lami , V. Lubicz , E. Picca , L. Riggio , S. Simula , C. Tarantino

We present results of a lattice computation of the matrix elements of the vector and axial-vector currents which are relevant for the semi-leptonic decays $D \rightarrow K$ and $D \rightarrow K^*$. The computations are performed in the…

High Energy Physics - Lattice · Physics 2009-10-28 Juan M. Nieves
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