Built on

S. Weinberg, Anthropic Bound on the Cosmological Constant
1987
Earlier work this paper cites.
N. Maekawa, Vector - like strong coupling theory with small S and T parameters
1995
Earlier work this paper cites.
G. Isidori, G. Ridolfi, and A. Strumia, On the metastability of the standard model vacuum
2001
Earlier work this paper cites.
D. Choudhury, T. M. Tait, and C. Wagner, Beautiful mirrors and precision electroweak data
2002
Earlier work this paper cites.
M. Baak, M. Goebel, J. Haller, A. Hoecker, D. Ludwig, et. al
Original
2003
Earlier work this paper cites.
G. Giudice and A. Romanino, Split supersymmetry
2004
Earlier work this paper cites.
D. Morrissey and C. Wagner, Beautiful mirrors, unification of couplings and collider phenomenology
2004
Earlier work this paper cites.
N. Arkani-Hamed and S. Dimopoulos, Supersymmetric unification without low energy supersymmetry and signatures for fine-tuning at the LHC
2005
Earlier work this paper cites.
N. Arkani-Hamed, S. Dimopoulos, G. Giudice, and A. Romanino, Aspects of split supersymmetry
2005
Earlier work this paper cites.

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N. D. Christensen and C. Duhr, FeynRules - Feynman rules made easy

Then

G. F. Giudice, T. Han, K. Wang, and L.-T. Wang, Nearly Degenerate Gauginos and Dark Matter at the LHC
Original
2010
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J. Alwall, M. Herquet, F. Maltoni, O. Mattelaer, and T. Stelzer, MadGraph 5 : Going Beyond
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2011
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K. Ishiwata and M. B. Wise, Higgs Properties and Fourth Generation Leptons
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M. Carena, S. Gori, N. R. Shah, and C. E. Wagner, A 125 GeV SM-like Higgs in the MSSM and the gamma gamma rate
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Closest in time.
S. Dawson and E. Furlan, A Higgs Conundrum with Vector Fermions
Original

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2012

2:1 for Naturalness at the LHC?

Arkani-Hamed, Nima, Blum, Kfir, D'Agnolo, Raffaele Tito et al.

Understand

A large enhancement of a factor of 1.5 - 2 in Higgs production and decay in the diphoton channel, with little deviation in the ZZ channel, can only plausibly arise from a loop of new charged particles with large couplings to the Higgs.

We show that, allowing only new fermions with marginal interactions at the weak scale, the required Yukawa couplings for a factor of 2 enhancement are so large that the Higgs quartic coupling is pushed to large negative values in the UV, triggering an unacceptable vacuum instability far beneath the 10 TeV scale.
An enhancement by a factor of 1.5 can be accommodated if the charged fermions are lighter than 150 GeV, within reach of discovery in almost all cases in the 8 TeV run at the LHC, and in even the most difficult cases at 14 TeV.
Thus if the diphoton enhancement survives further scrutiny, and no charged fermions beneath 150 GeV are found, there must be new bosons far beneath the 10 TeV scale.

Built on

S. Weinberg, Anthropic Bound on the Cosmological Constant
1987
Earlier work this paper cites.
N. Maekawa, Vector - like strong coupling theory with small S and T parameters
1995
Earlier work this paper cites.
G. Isidori, G. Ridolfi, and A. Strumia, On the metastability of the standard model vacuum
2001
Earlier work this paper cites.
D. Choudhury, T. M. Tait, and C. Wagner, Beautiful mirrors and precision electroweak data
2002
Earlier work this paper cites.
M. Baak, M. Goebel, J. Haller, A. Hoecker, D. Ludwig, et. al
Original
2003
Earlier work this paper cites.
G. Giudice and A. Romanino, Split supersymmetry
2004
Earlier work this paper cites.
D. Morrissey and C. Wagner, Beautiful mirrors, unification of couplings and collider phenomenology
2004
Earlier work this paper cites.
N. Arkani-Hamed and S. Dimopoulos, Supersymmetric unification without low energy supersymmetry and signatures for fine-tuning at the LHC
2005
Earlier work this paper cites.
N. Arkani-Hamed, S. Dimopoulos, G. Giudice, and A. Romanino, Aspects of split supersymmetry
2005
Earlier work this paper cites.

Similar

J. D. Wells, PeV-scale supersymmetry
2005
Cited alongside, same era.
S. P. Martin, K. Tobe, and J. D. Wells, Virtual effects of light gauginos and higgsinos: A Precision electroweak analysis of split supersymmetry
2005
Cited alongside, same era.
N. Arkani-Hamed, A. Delgado, and G. Giudice, The Well-tempered neutralino
2006
Cited alongside, same era.
M. Ibe, T. Moroi, and T. Yanagida, Possible Signals of Wino LSP at the Large Hadron Collider
2007
Cited alongside, same era.
G. D. Kribs, T. Plehn, M. Spannowsky, and T. M. Tait, Four generations and Higgs physics
Original
2007
Cited alongside, same era.
N. D. Christensen and C. Duhr, FeynRules - Feynman rules made easy