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Flipped $$\mathbf{g_\mu - 2}$$

Journal Article · · European Physical Journal. C, Particles and Fields
 [1];  [2];  [3];  [4];  [5]
  1. King's College, London (United Kingdom); European Organization for Nuclear Research (CERN), Geneva (Switzerland); National Institute of Chemical Physics and Biophysics, Tallinn (Estonia); University of Minnesota
  2. Shanghai Jiao Tong Univ. (China)
  3. Univ. of Tokyo (Japan)
  4. Texas A & M Univ., College Station, TX (United States); Houston Advanced Research Center (HARC), Woodlands, TX (United States); Academy of Athens (Greece)
  5. Univ. of Minnesota, Minneapolis, MN (United States)

We analyze the possible magnitude of the supersymmetric contribution to $$g_\mu - 2$$ 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 $$g_\mu - 2$$ 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.

Research Organization:
Univ. of Minnesota, Minneapolis, MN (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP); Science and Technology Facilities Council (STFC) (United Kingdom); Japan Society for the Promotion of Science (JSPS)
Grant/Contract Number:
SC0011842; SC0010813
OSTI ID:
1837534
Alternate ID(s):
OSTI ID: 23113631
Journal Information:
European Physical Journal. C, Particles and Fields, Journal Name: European Physical Journal. C, Particles and Fields Journal Issue: 12 Vol. 81; ISSN 1434-6044
Publisher:
SpringerCopyright Statement
Country of Publication:
United States
Language:
English

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