Author:
Ellis John,Evans Jason L.,Nagata Natsumi,Nanopoulos Dimitri V.,Olive Keith A.
Abstract
AbstractWe analyze the possible magnitude of the supersymmetric contribution to $$g_\mu - 2$$
g
μ
-
2
in a flipped SU(5) GUT model. Unlike other GUT models which are severely constrained by universality relations, in flipped SU(5) the U(1) gaugino mass and the soft supersymmetry-breaking masses of right-handed sleptons are unrelated to the other gaugino, slepton and squark masses. Consequently, the lightest neutralino and the right-handed smuon may be light enough to mitigate the discrepancy between the experimental measurement of $$g_\mu - 2$$
g
μ
-
2
and the Standard Model calculation, in which case they may be detectable at the LHC and/or a 250 GeV $$e^+ e^-$$
e
+
e
-
collider, whereas the other gauginos and sfermions are heavy enough to escape detection at the LHC.
Publisher
Springer Science and Business Media LLC
Subject
Physics and Astronomy (miscellaneous),Engineering (miscellaneous)
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