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1910
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1969
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1969
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1971
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1973
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1974
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1977
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G. ’t Hooft and M. J. G. Veltman,
1979
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1984
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1985
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M. Sohnius,
1985
Earlier work this paper cites.

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2018

The hMSSM approach for Higgs self-couplings revisited

Liebler, Stefan, Mühlleitner, Margarete, Spira, Michael et al.

Understand

We compare the decay of the heavy Higgs boson into two SM-like Higgs bosons, $H\to hh$, calculated in a Feynman-diagrammatic approach at the one-loop level based on the one hand on the full effective potential involving the top quark and stops in the Minimal Supersymmetric Standard Model (MSSM) accompanied by the matched Two-Higgs-Doublet Model (2HDM) as its low-energy limit and on the other hand on the hMSSM approximation.

We identify missing contributions due to the top quark in the Higgs self-couplings of the hMSSM, that - when taken into account - lead to a good agreement between the hMSSM and a full MSSM calculation, at least in the limit of the Higgsino mass parameter $\mu$ being small compared to the stop spectrum.
We also thoroughly analyze momentum-dependent and kinetic corrections intrinsic to the Feynman-diagrammatic approach and the matching to the effective Lagrangian, respectively, for both our calculation in the MSSM and the hMSSM and for the latter suggest to include additional corrections from the top quark, which are independent of the unknown supersymmetric spectrum.

Built on

S. R. Coleman and E. J. Weinberg,
1910
Earlier work this paper cites.
S. L. Adler,
1969
Earlier work this paper cites.
J. S. Bell and R. Jackiw,
1969
Earlier work this paper cites.
Yu. A. Golfand and E. P. Likhtman,
1971
Earlier work this paper cites.
D. Volkov and V. Akulov,
1973
Earlier work this paper cites.
J. Wess and B. Zumino,
1974
Earlier work this paper cites.
R. Jackiw,
1974
Earlier work this paper cites.
P. Fayet,
1975
Earlier work this paper cites.
T. Appelquist and J. Carazzone,
1975
Earlier work this paper cites.
P. Fayet,
1977
Earlier work this paper cites.
P. Fayet and S. Ferrara,
1977
Earlier work this paper cites.
G. ’t Hooft and M. J. G. Veltman,
1979
Earlier work this paper cites.
H. P. Nilles,
1984
Earlier work this paper cites.
H. E. Haber and G. L. Kane,
1985
Earlier work this paper cites.
M. Sohnius,
1985
Earlier work this paper cites.

Similar

J. Gunion and H. E. Haber,
1986
Cited alongside, same era.
J. Gunion and H. E. Haber,
1986
Cited alongside, same era.
Y. Okada, M. Yamaguchi, and T. Yanagida,
1991
Cited alongside, same era.
H. E. Haber and R. Hempfling,
1991
Cited alongside, same era.
J. R. Ellis, G. Ridolfi, and F. Zwirner,
1991
Cited alongside, same era.
J. R. Ellis, G. Ridolfi, and F. Zwirner,
1991
Cited alongside, same era.
A. Brignole,
1992
Cited alongside, same era.

Then

J. F. Gunion, H. E. Haber, G. L. Kane, and S. Dawson,
2000
Later among the works it cites.
W. Hollik and S. Penaranda,
2002
Later among the works it cites.
A. Dobado, M. J. Herrero, W. Hollik, and S. Penaranda,
2002
Later among the works it cites.
A. Djouadi,
2008
Later among the works it cites.
K. E. Williams and G. Weiglein,
Original
2008
Later among the works it cites.
M. Beneke, P. Ruiz-Femenia, and M. Spinrath,
Original
2009
Later among the works it cites.