%0 Journal Article %1 Becirevic2009D4545gtDpi %A Becirevic, Damir %A Haas, Benjamin %D 2009 %K julich2010 %T D*&\#45;&\#45;>Dpi and D*&\#45;&\#45;>Dgamma decays: Axial coupling and Magnetic moment of D* meson %U http://arxiv.org/abs/0903.2407 %X The axial coupling and the magnetic moment of D*-meson or, more specifically, the couplings g(D*Dpi) and g(D*Dgamma), encode the non-perturbative QCD effects describing the decays D*-->Dpi and D*-->Dgamma. We compute these quantities by means of lattice QCD with Nf=2 dynamical quarks, by employing the Wilson ("clover") action. On our finer lattice (a=0.065 fm) we obtain: g(D*Dpi)=20 +/- 2, and g(D0*D0gamma)=2.0 +/- 0.6/GeV. This is the first determination of g(D0*D0gamma) on the lattice. We also provide a short phenomenological discussion and the comparison of our result with experiment and with the results quoted in the literature.

@article{Becirevic2009D4545gtDpi, abstract = {{The axial coupling and the magnetic moment of D*-meson or, more specifically, the couplings g(D*Dpi) and g(D*Dgamma), encode the non-perturbative QCD effects describing the decays D*--\>Dpi and D*--\>Dgamma. We compute these quantities by means of lattice QCD with Nf=2 dynamical quarks, by employing the Wilson ("clover") action. On our finer lattice (a=0.065 fm) we obtain: g(D*Dpi)=20 +/- 2, and g(D0*D0gamma)=[2.0 +/- 0.6]/GeV. This is the first determination of g(D0*D0gamma) on the lattice. We also provide a short phenomenological discussion and the comparison of our result with experiment and with the results quoted in the literature.}}, added-at = {2019-02-23T22:09:48.000+0100}, archiveprefix = {arXiv}, author = {Becirevic, Damir and Haas, Benjamin}, biburl = {https://www.bibsonomy.org/bibtex/2fdc29e72e689c8526a2fb7232642fc0f/cmcneile}, citeulike-article-id = {7730556}, citeulike-linkout-0 = {http://arxiv.org/abs/0903.2407}, citeulike-linkout-1 = {http://arxiv.org/pdf/0903.2407}, day = 17, eprint = {0903.2407}, interhash = {f034a84fe3798eb2fa8aa1208fbc7bd1}, intrahash = {fdc29e72e689c8526a2fb7232642fc0f}, keywords = {julich2010}, month = mar, posted-at = {2010-08-29 10:59:51}, priority = {2}, timestamp = {2019-02-23T22:15:27.000+0100}, title = {{D*\&\#45;\&\#45;\>Dpi and D*\&\#45;\&\#45;\>Dgamma decays: Axial coupling and Magnetic moment of D* meson}}, url = {http://arxiv.org/abs/0903.2407}, year = 2009 }