Abstract
We analyze the possible magnitude of the supersymmetric contribution to gμ- 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 gμ- 2 and the Standard Model calculation, in which case they may be detectable at the LHC and/or a 250 GeV e+e- collider, whereas the other gauginos and sfermions are heavy enough to escape detection at the LHC.
| Original language | English (US) |
|---|---|
| Article number | 1079 |
| Journal | European Physical Journal C |
| Volume | 81 |
| Issue number | 12 |
| DOIs | |
| State | Published - Dec 2021 |
Bibliographical note
Funding Information:The work of J.E. was supported partly by the United Kingdom STFC Grant ST/T000759/1 and partly by the Estonian Research Council via a Mobilitas Pluss grant. The work of N.N. was supported by the Grant-in-Aid for Young Scientists (No.21K13916), Innovative Areas (No.18H05542), and Scientific Research B (No.20H01897). The work of D.V.N. was supported partly by the DOE grant DE-FG02-13ER42020 and partly by the Alexander S. Onassis Public Benefit Foundation. The work of K.A.O. was supported partly by the DOE grant DE-SC0011842 at the University of Minnesota.
Publisher Copyright:
© 2021, The Author(s).