Abstract
The lack of evidence for new physics beyond the standard model at the LHC points to a paucity of new particles near the weak scale. This suggests that the weak scale is tuned and that supersymmetry, if present at all, is realized at higher energies. The measured Higgs mass constrains the scalar sparticles to be below 105 TeV, while gauge coupling unification favors Higgsinos below 100 TeV. Nevertheless, in many models gaugino masses are suppressed and remain within reach of the LHC. Tuning the weak scale and the renormalization group evolution of the scalar masses constrain Split model building. Due to the small gaugino masses, either the squarks or the up-higgs often run tachyonic; in the latter case, successful electroweak breaking requires heavy higgsinos near the scalar sparticles. We discuss the consequences of tuning the weak scale and the phenomenology of several models of Split supersymmetry including anomaly mediation, U(1) B−L mediation, and Split gauge mediation.
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References
S. Dimopoulos, S. Raby and F. Wilczek, Supersymmetry and the scale of unification, Phys. Rev. D 24 (1981) 1681 [INSPIRE].
S. Dimopoulos and H. Georgi, Softly broken supersymmetry and SU(5), Nucl. Phys. B 193 (1981) 150 [INSPIRE].
ATLAS collaboration, Search for squarks and gluinos with the ATLAS detector using final states with jets and missing transverse momentum and 5.8 fb −1 of \( \sqrt{s}=8 \) TeV proton-proton collision data, ATLAS-CONF-2012-109 (2012).
ATLAS collaboration, Observation of a new particle in the search for the standard model Higgs boson with the ATLAS detector at the LHC, Phys. Lett. B 716 (2012) 1 [arXiv:1207.7214] [INSPIRE].
CMS collaboration, Observation of a new boson at a mass of 125 GeV with the CMS experiment at the LHC, Phys. Lett. B 716 (2012) 30 [arXiv:1207.7235] [INSPIRE].
S. Dimopoulos and G.F. Giudice, Naturalness constraints in supersymmetric theories with nonuniversal soft terms, Phys. Lett. B 357 (1995) 573 [hep-ph/9507282] [INSPIRE].
ATLAS collaboration, Search for light scalar top quark pair production in final states with two leptons with the ATLAS detector in \( \sqrt{s}=7 \) TeV proton-proton collisions, Eur. Phys. J. C 72 (2012) 2237 [arXiv:1208.4305] [INSPIRE].
ATLAS collaboration, Search for light top squark pair production in final states with leptons and b − jets with the ATLAS detector in \( \sqrt{s}=7 \) TeV proton-proton collisions, arXiv:1209.2102 [INSPIRE].
ATLAS collaboration, Search for a supersymmetric partner to the top quark in final states with jets and missing transverse momentum at \( \sqrt{s}=7 \) TeV with the ATLAS detector, Phys. Rev. Lett. 109 (2012) 211802 [arXiv:1208.1447] [INSPIRE].
ATLAS collaboration, Search for direct top squark pair production in final states with one isolated lepton, jets and missing transverse momentum in \( \sqrt{s}=7 \) TeV pp collisions using 4.7 fb −1 of ATLAS data, Phys. Rev. Lett. 109 (2012) 211803 [arXiv:1208.2590] [INSPIRE].
ATLAS collaboration, Search for a heavy top-quark partner in final states with two leptons with the ATLAS detector at the LHC, JHEP 11 (2012) 094 [arXiv:1209.4186] [INSPIRE].
N. Arkani-Hamed and S. Dimopoulos, Supersymmetric unification without low energy supersymmetry and signatures for fine-tuning at the LHC, JHEP 06 (2005) 073 [hep-th/0405159] [INSPIRE].
G.F. Giudice and A. Romanino, Split supersymmetry, Nucl. Phys. B 699 (2004) 65 [Erratum ibid. B 706 (2005) 65] [hep-ph/0406088] [INSPIRE].
G.F. Giudice and A. Strumia, Probing high-scale and split supersymmetry with Higgs mass measurements, Nucl. Phys. B 858 (2012) 63 [arXiv:1108.6077] [INSPIRE].
G. Degrassi et al., Higgs mass and vacuum stability in the standard model at NNLO, JHEP 08 (2012) 098 [arXiv:1205.6497] [INSPIRE].
A. Ibarra, Tachyonic squarks in split supersymmetry, Phys. Lett. B 620 (2005) 164 [hep-ph/0503160] [INSPIRE].
K. Cheung and C.-W. Chiang, Splitting split supersymmetry, Phys. Rev. D 71 (2005) 095003 [hep-ph/0501265] [INSPIRE].
N. Arkani-Hamed, A. Delgado and G.F. Giudice, The well-tempered neutralino, Nucl. Phys. B 741 (2006) 108 [hep-ph/0601041] [INSPIRE].
J.L. Feng, T. Moroi, L. Randall, M. Strassler and S.-f. Su, Discovering supersymmetry at the Tevatron in wino LSP scenarios, Phys. Rev. Lett. 83 (1999) 1731 [hep-ph/9904250] [INSPIRE].
ATLAS collaboration, Search for anomaly-mediated supersymmetry breaking with the ATLAS detector based on a disappearing-track signature in pp collisions at \( \sqrt{s}=7 \) TeV, Eur. Phys. J. C 72 (2012) 1993 [arXiv:1202.4847] [INSPIRE].
S. Dimopoulos, N. Tetradis, R. Esmailzadeh and L.J. Hall, TeV dark matter, Nucl. Phys. B 349 (1991) 714 [Erratum ibid. B 357 (1991) 308] [INSPIRE].
T. Gherghetta, G.F. Giudice and J.D. Wells, Phenomenological consequences of supersymmetry with anomaly induced masses, Nucl. Phys. B 559 (1999) 27 [hep-ph/9904378] [INSPIRE].
G.F. Giudice, M.A. Luty, H. Murayama and R. Rattazzi, Gaugino mass without singlets, JHEP 12 (1998) 027 [hep-ph/9810442] [INSPIRE].
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] [INSPIRE].
N. Craig, M. McCullough and J. Thaler, Flavor mediation delivers natural SUSY, JHEP 06 (2012) 046 [arXiv:1203.1622] [INSPIRE].
G.R. Dvali, G.F. Giudice and A. Pomarol, The μ-problem in theories with gauge mediated supersymmetry breaking, Nucl. Phys. B 478 (1996) 31 [hep-ph/9603238] [INSPIRE].
A. De Simone, R. Franceschini, G.F. Giudice, D. Pappadopulo and R. Rattazzi, Lopsided gauge mediation, JHEP 05 (2011) 112 [arXiv:1103.6033] [INSPIRE].
N. Arkani-Hamed, G.F. Giudice, M.A. Luty and R. Rattazzi, Supersymmetry breaking loops from analytic continuation into superspace, Phys. Rev. D 58 (1998) 115005 [hep-ph/9803290] [INSPIRE].
T. Cohen, A. Hook and B. Wecht, Comments on gaugino screening, Phys. Rev. D 85 (2012) 115004 [arXiv:1112.1699] [INSPIRE].
G.F. Giudice, H.D. Kim and R. Rattazzi, Natural μ and Bμ in gauge mediation, Phys. Lett. B 660 (2008) 545 [arXiv:0711.4448] [INSPIRE].
M. Buican, P. Meade, N. Seiberg and D. Shih, Exploring general gauge mediation, JHEP 03 (2009) 016 [arXiv:0812.3668] [INSPIRE].
C. Cheung, A.L. Fitzpatrick and D. Shih, (Extra)ordinary gauge mediation, JHEP 07 (2008) 054 [arXiv:0710.3585] [INSPIRE].
Z. Komargodski and D. Shih, Notes on SUSY and R-symmetry breaking in Wess-Zumino models, JHEP 04 (2009) 093 [arXiv:0902.0030] [INSPIRE].
K.A. Intriligator, N. Seiberg and D. Shih, Dynamical SUSY breaking in meta-stable vacua, JHEP 04 (2006) 021 [hep-th/0602239] [INSPIRE].
L. O’Raifeartaigh, Spontaneous symmetry breaking for chiral scalar superfields, Nucl. Phys. B 96 (1975) 331 [INSPIRE].
K.A. Intriligator and S.D. Thomas, Dynamical supersymmetry breaking on quantum moduli spaces, Nucl. Phys. B 473 (1996) 121 [hep-th/9603158] [INSPIRE].
K.-I. Izawa and T. Yanagida, Dynamical supersymmetry breaking in vector-like gauge theories, Prog. Theor. Phys. 95 (1996) 829 [hep-th/9602180] [INSPIRE].
P. Gambino, G.F. Giudice and P. Slavich, Gluino decays in split supersymmetry, Nucl. Phys. B 726 (2005) 35 [hep-ph/0506214] [INSPIRE].
J.L. Hewett, B. Lillie, M. Masip and T.G. Rizzo, Signatures of long-lived gluinos in split supersymmetry, JHEP 09 (2004) 070 [hep-ph/0408248] [INSPIRE].
A. Arvanitaki, S. Dimopoulos, A. Pierce, S. Rajendran and J.G. Wacker, Stopping gluinos, Phys. Rev. D 76 (2007) 055007 [hep-ph/0506242] [INSPIRE].
CMS collaboration, Search for heavy long-lived charged particles in pp collisions at \( \sqrt{s}=7 \) TeV, Phys. Lett. B 713 (2012) 408 [arXiv:1205.0272] [INSPIRE].
CMS collaboration, Search for stopped long-lived particles produced in pp collisions at \( \sqrt{s}=7 \) TeV,JHEP 08 (2012) 026 [arXiv:1207.0106] [INSPIRE].
ATLAS collaboration, Search for decays of stopped, long-lived particles from 7 TeV pp collisions with the ATLAS detector, Eur. Phys. J. C 72 (2012) 1965 [arXiv:1201.5595] [INSPIRE].
ATLAS collaboration, Searches for heavy long-lived sleptons and R-hadrons with the ATLAS detector in pp collisions at √ s = 7 TeV, ATLAS-CONF-2012-075 (2012).
K. Howe and P. Saraswat, Excess Higgs production in neutralino decays, JHEP 10 (2012) 065 [arXiv:1208.1542] [INSPIRE].
M.R. Buckley, L. Randall and B. Shuve, LHC searches for non-chiral weakly charged multiplets, JHEP 05 (2011) 097 [arXiv:0909.4549] [INSPIRE].
N. Arkani-Hamed, S. Dimopoulos and S. Kachru, Predictive landscapes and new physics at a TeV, hep-th/0501082 [INSPIRE].
R. Mahbubani and L. Senatore, The minimal model for dark matter and unification, Phys. Rev. D 73 (2006) 043510 [hep-ph/0510064] [INSPIRE].
S.D. Thomas and J.D. Wells, Phenomenology of massive vectorlike doublet leptons, Phys. Rev. Lett. 81 (1998) 34 [hep-ph/9804359] [INSPIRE].
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Arvanitaki, A., Craig, N., Dimopoulos, S. et al. Mini-Split. J. High Energ. Phys. 2013, 126 (2013). https://doi.org/10.1007/JHEP02(2013)126
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DOI: https://doi.org/10.1007/JHEP02(2013)126