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Contribution to the muon anomaly from superstring-inspired models Grifols, Josep Antoni Méndez, A. Solà Peracaula, Joan Física nuclear Muons Nuclear physics Muons We calculate the contribution to the muon anomaly induced by new Yukawa couplings involving heavy-matter E6 fields predicted in the framework of superstring theories. We analyze a few models found in the current literature and show that for some of them the effect is on the order of the standard weak contribution. We produce a specific example where the effect could be even larger. Thus, we conclude that an improved (g−2)μ experiment should be sensitive to such effects, if they happen to exist. 2010-06-09T12:42:06Z 2010-06-09T12:42:06Z 1986 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion 0031-9007 https://hdl.handle.net/2445/12809 500681 eng Reproducció digital del document proporcionada per PROLA i http://dx.doi.org/10.1103/PhysRevLett.57.2348 Physical Review Letters, 1986, vol. 57, núm. 19, p. 2348-2350 http://dx.doi.org/10.1103/PhysRevLett.57.2348 (c) American Physical Society, 1986 info:eu-repo/semantics/openAccess 3 p. application/pdf American Physical Society Articles publicats en revistes (Física Quàntica i Astrofísica)