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Contribution to the muon anomaly from superstring-inspired models
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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.
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GRIFOLS, Josep Antoni, MÉNDEZ, A. and SOLÀ PERACAULA, Joan. Contribution to the muon anomaly from superstring-inspired models. Physical Review Letters. 1986. Vol. 57, num. 19, pags. 2348-2350. ISSN 0031-9007. [consulted: 14 of October of 2026]. Available at: https://hdl.handle.net/2445/12809