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Upper bounds on sparticle masses from muon g-2 and the Higgs mass and the complementarity of future colliders

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arxiv 1411.1450 v2 pith:AG2UUJ45 submitted 2014-11-05 hep-ph

classification hep-ph
keywords massesuppercharginosmuonboundstopboundscolliders
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abstract

Supersymmetric (SUSY) explanation of the discrepancy between the measurement of $(g-2)_\mu$ and its SM prediction puts strong upper bounds on the chargino and smuon masses. At the same time, lower experimental limits on the chargino and smuon masses, combined with the Higgs mass measurement, lead to an upper bound on the stop masses. The current LHC limits on the chargino and smuon masses (for not too compressed spectrum) set the upper bound on the stop masses of about 10 TeV. The discovery potential of the future lepton and hadron colliders should lead to the discovery of SUSY if it is responsible for the explanation of the $(g-2)_\mu$ anomaly. This conclusion follows from the fact that the upper bound on the stop masses decreases with the increase of the lower experimental limit on the chargino and smuon masses.

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Cited by 1 Pith paper

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  1. Explanation of electron and muon g-2 anomalies in the MSSM

    hep-ph 2019-08 conditional novelty 6.0 of 10

    The paper shows that the electron and muon g-2 anomalies, which have opposite signs, can be simultaneously reproduced in the MSSM by making selectrons light and smuons heavy, with a wino-like chargino near the LEP bound.

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