Flavor in supersymmetry: anarchy versus structure

  • Gudrun Hiller
  • Yonit Hochberg
  • Yosef Nir


Future high-precision flavor experiments may discover a pattern of deviations from the standard model predictions for flavor-changing neutral current processes. One of the interesting questions that can be answered then will be whether the flavor structure of the new physics is related to that of the standard model or not. We analyze this aspect of flavor physics within a specific framework: supersymmetric models where the soft breaking terms are dominated by gauge-mediation but get non-negligible contributions from gravitymediation. We compare the possible patterns of non-minimally flavor-violating effects that arise if the gravity-mediated contributions are anarchical vs. the case that they are structured by a Froggatt-Nielsen symmetry. We show that combining information on flavor and CP violation from meson mixing and electric dipole moments is indicative for the flavor structure of gravity-mediation.


Supersymmetry Breaking Supersymmetric Standard Model Rare Decays CP violation 


  1. [1]
    G. D’Ambrosio, G.F. Giudice, G. Isidori and A. Strumia, Minimal flavour violation: An effective field theory approach, Nucl. Phys. B 645 (2002) 155 [hep-ph/0207036] [SPIRES].CrossRefADSGoogle Scholar
  2. [2]
    L.J. Hall and L. Randall, Weak scale effective supersymmetry, Phys. Rev. Lett. 65 (1990) 2939 [SPIRES].CrossRefADSGoogle Scholar
  3. [3]
    R.S. Chivukula and H. Georgi, Composite Technicolor Standard Model, Phys. Lett. B 188 (1987) 99 [SPIRES].ADSGoogle Scholar
  4. [4]
    A.J. Buras, P. Gambino, M. Gorbahn, S. Jager and L. Silvestrini, Universal unitarity triangle and physics beyond the standard model, Phys. Lett. B 500 (2001) 161 [hep-ph/0007085] [SPIRES].ADSGoogle Scholar
  5. [5]
    A.L. Kagan, G. Perez, T. Volansky and J. Zupan, General Minimal Flavor Violation, Phys. Rev. D 80 (2009) 076002 [arXiv:0903.1794] [SPIRES].ADSGoogle Scholar
  6. [6]
    N. Arkani-Hamed, J.L. Feng, L.J. Hall and H.-C. Cheng, CP violation from slepton oscillations at the LHC and NLC, Nucl. Phys. B 505 (1997) 3 [hep-ph/9704205] [SPIRES].CrossRefADSGoogle Scholar
  7. [7]
    G. Hiller, Y. Hochberg and Y. Nir, Flavor Changing Processes in Supersymmetric Models with Hybrid Gauge and Gravity-Mediation, JHEP 03 (2009) 115 [arXiv:0812.0511] [SPIRES].CrossRefADSGoogle Scholar
  8. [8]
    C.D. Froggatt and H.B. Nielsen, Hierarchy of Quark Masses, Cabibbo Angles and CP-violation, Nucl. Phys. B 147 (1979) 277 [SPIRES].CrossRefADSGoogle Scholar
  9. [9]
    Y. Nir and N. Seiberg, Should squarks be degenerate?, Phys. Lett. B 309 (1993) 337 [hep-ph/9304307] [SPIRES].ADSGoogle Scholar
  10. [10]
    M. Leurer, Y. Nir and N. Seiberg, Mass matrix models: The Sequel, Nucl. Phys. B 420 (1994) 468 [hep-ph/9310320] [SPIRES].CrossRefADSGoogle Scholar
  11. [11]
    O. Aharony, L. Berdichevsky, M. Berkooz, Y. Hochberg and D. Robles-Llana, Inverted Sparticle Hierarchies from Natural Particle Hierarchies, 1001.0637 [SPIRES].
  12. [12]
    A. Masiero, S.K. VemPati and O. Vives, Flavour physics and grand unification, arXiv:0711.2903 [SPIRES].
  13. [13]
    O. Gedalia, Y. Grossman, Y. Nir and G. Perez, Lessons from Recent Measurements of \(D - \bar{D} \) Mixing, Phys. Rev. D 80 (2009) 055024 [arXiv:0906.1879] [SPIRES].ADSGoogle Scholar
  14. [14]
    M. Artuso et al., B, D and K decays, Eur. Phys. J. C 57 (2008) 309 [arXiv:0801.1833] [SPIRES].ADSGoogle Scholar
  15. [15]
    G. Isidori and A. Retico, B s,d → ℓ+ and K L → ℓ+ in SUSY models with nonminimal sources of flavor mixing, JHEP 09 (2002) 063 [hep-ph/0208159] [SPIRES].CrossRefADSGoogle Scholar
  16. [16]
    F. Gabbiani, E. Gabrielli, A. Masiero and L. Silvestrini, A complete analysis of FCNC and CP constraints in general SUSY extensions of the standard model, Nucl. Phys. B 477 (1996) 321 [hep-ph/9604387] [SPIRES].CrossRefADSGoogle Scholar
  17. [17]
    Particle Data Group collaboration, C. Amsler et al., Review of particle physics, Phys. Lett. B 667 (2008) 1 [SPIRES].ADSGoogle Scholar
  18. [18]
    S.P. Martin and M.T. Vaughn, Two loop renormalization group equations for soft supersymmetry breaking couplings, Phys. Rev. D 50 (1994) 2282 [hep-ph/9311340] [SPIRES].ADSGoogle Scholar
  19. [19]
    J.L. Feng, C.G. Lester, Y. Nir and Y. Shadmi, The Standard Model and Supersymmetric Flavor Puzzles at the Large Hadron Collider, Phys. Rev. D 77 (2008) 076002 [arXiv:0712.0674] [SPIRES].ADSGoogle Scholar
  20. [20]
    Z.-Z. Xing, H. Zhang and S. Zhou, Updated Values of Running Quark and Lepton Masses, Phys. Rev. D 77 (2008) 113016 [arXiv:0712.1419] [SPIRES].ADSGoogle Scholar
  21. [21]
    G. Hiller and Y. Nir, Measuring Flavor Mixing with Minimal Flavor Violation at the LHC, JHEP 03 (2008) 046 [arXiv:0802.0916] [SPIRES].CrossRefADSGoogle Scholar

Copyright information

© SISSA, Trieste, Italy 2010

Authors and Affiliations

  1. 1.Institut für PhysikTechnische Universität DortmundDortmundGermany
  2. 2.Department of Particle Physics and AstrophysicsWeizmann Institute of ScienceRehovotIsrael

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