出版社:SISSA, Scuola Internazionale Superiore di Studi Avanzati
摘要:We report on an attempt to calculate the light-by-light contribution to the muon anomalous magnetic
moment in QED, using lattice techniques, as a first but significant step toward computing
the analogous hadronic contribution. We use domain wall fermions on quenched non-compact
QED configurations. The method is discussed in detail, and preliminary results are presented. A
signal is not obtained with the limited statistics accumulated so far. We mention possible ways to
improve the statistics to obtain a non-zero result.