caa a22 4500 445873124 CHVBK 20180317145518.0 cr unu---uuuuu 170323e20110201xx s 000 0 eng 10.1140/epja/i2011-11028-1 doi (NATIONALLICENCE)springer-10.1140/epja/i2011-11028-1 A fresh look at hadronic light-by-light scattering in the muon g - 2 with the Dyson-Schwinger approach [Elektronische Daten] [C. Fischer, T. Goecke, R. Williams] Abstract.: Using the Dyson-Schwinger and Bethe-Salpeter equations, we calculate the hadronic light-by-light scattering contribution to the anomalous magnetic moment of the muon $\ensuremath a_\mu$ , using a phenomenological model for the gluon and quark-gluon interaction. We find $\ensuremath a_\mu=(84 \pm 13)\times 10^{-11}$ for meson exchange, and $\ensuremath a_\mu = (107 \pm 2 \pm 46)\times 10^{-11}$ for the quark loop. The former is commensurate with past calculations; the latter much larger due to dressing effects. This leads to a revised estimate of $\ensuremath a_\mu=116 591 865.0(96.6)\times 10^{-11}$ , reducing the difference between theory and experiment to ≃ 1.9$ \sigma$ . The Author(s), 2011 Fischer C. Institut für Theoretische Physik, Universität Giessen, 35392, Giessen, Germany aut Goecke T. Institut für Kernphysik, Technische Universität Darmstadt, Schlossgartenstraße 9, 64289, Darmstadt, Germany aut Williams R. Institut für Kernphysik, Technische Universität Darmstadt, Schlossgartenstraße 9, 64289, Darmstadt, Germany aut The European Physical Journal A Springer-Verlag 47/2(2011-02-01), 1-5 1434-6001 47:2<1 2011 47 10050 https://doi.org/10.1140/epja/i2011-11028-1 text/html Onlinezugriff via DOI 1 review-article jats NATIONALLICENCE 856 40 https://doi.org/10.1140/epja/i2011-11028-1 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Fischer C. Institut für Theoretische Physik, Universität Giessen, 35392, Giessen, Germany aut NATIONALLICENCE 700 1- Goecke T. Institut für Kernphysik, Technische Universität Darmstadt, Schlossgartenstraße 9, 64289, Darmstadt, Germany aut NATIONALLICENCE 700 1- Williams R. Institut für Kernphysik, Technische Universität Darmstadt, Schlossgartenstraße 9, 64289, Darmstadt, Germany aut NATIONALLICENCE 773 0- The European Physical Journal A Springer-Verlag 47/2(2011-02-01), 1-5 1434-6001 47:2<1 2011 47 10050 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer