Results 31 to 40 of about 86,389 (188)

How heavy can neutralino dark matter be?

Journal of High Energy Physics, 2019
What is the upper limit of the mass of the neutralino dark matter whose thermal relic is consistent with the observation? If the neutralino dark matter and colored sparticles are extremely degenerated in mass, with a mass difference less than the QCD ...
Hajime Fukuda, Feng Luo, Satoshi Shirai
doaj   +1 more source

Employing nucleon decay as a fingerprint of SUSY GUT models using SusyTCProton

Journal of High Energy Physics, 2021
While the observation of nucleon decay would be a smoking gun of Grand Unified Theories (GUTs) in general, the ratios between the decay rates of the various channels carry rich information about the specific GUT model realization.
Stefan Antusch, Christian Hohl, Vasja Susič   +2 more
doaj   +1 more source

The Next-to-Minimal Supersymmetric Standard Model [PDF]

, 2009
We review the theoretical and phenomenological aspects of the Next-to-Minimal Supersymmetric Standard Model: the Higgs sector including radiative corrections and the 2-loop beta-functions for all parameters of the general NMSSM; the tadpole and domain ...
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core   +3 more sources

The more Minimal Supersymmetric Standard Model [PDF]

Physics Letters B, 1996
17 pages, harvmac The revised version corrects the discussion of squark mass constraints from FCNC and includes additional ...
Cohen, Andrew Glen, Kaplan, David B., Nelson, Ann E.   +2 more
openaire   +3 more sources

Higgs Sector in Extensions of the MSSM [PDF]

, 2006
Extensions of the Minimal Supersymmetric Standard Model (MSSM) with additional singlet scalar fields solve the important mu-parameter fine tuning problem of the MSSM.
A. Birkedal, E. C. G. Stueckelberg, Gabe Shaughnessy, Hye-Sung Lee, J. Erler, Paul Langacker, S. Y. Choi, U. Ellwanger, V. I. Ogievetskii, Vernon Barger   +9 more
core   +4 more sources

Supersymmetric standard models on D-branes [PDF]

Physics Letters B, 2001
Type IIB superstring models with the standard model gauge group on D3-branes and with massless matter associated with open strings joining D3-branes to D3-branes or D3-branes to ${\rm D}7_3$-branes are studied. Models with gauge coupling constant unification at an intermediate scale between about $10^{10}$ and $10^{12}$GeV and consistency with the ...
Bailin, D., Kraniotis, G. V., Love, A.
openaire   +2 more sources

Moderately suppressed dimension-five proton decay in a flipped SU(5) model

Journal of High Energy Physics, 2022
We study colored Higgsino-mediated proton decay (dimension-five proton decay) in a model based on the flipped SU(5) GUT. In the model, the GUT-breaking 10, 10 ¯ $$ \overline{\mathbf{10}} $$ fields have a GUT-scale mass term and gain VEVs through higher ...
Naoyuki Haba, Toshifumi Yamada
doaj   +1 more source

Supersymmetric Higgs singlet effects on FCNC observables [PDF]

, 2008
Higgs singlet superfields, usually present in extensions of the Minimal Supersymmetric Standard Model (MSSM) which address the $\mu$-problem, such as the Next-to-Minimal Supersymmetric Standard Model (NMSSM) and the Minimal Nonminimal Supersymmetric ...
Deog Ki Hong, Pyungwon Ko, Robert N. Hodgkinson   +2 more
core   +1 more source

Constrained exceptional supersymmetric standard model

Physical Review D, 2009
Version accepted for publication in Phys.
Athron, P., King, S.F., Miller, D.J., Moretti, S., Nevzorov, R.   +4 more
openaire   +3 more sources

Closing the window for compressed dark sectors with disappearing charged tracks

Journal of High Energy Physics, 2017
We investigate the sensitivity at current and future hadron colliders to a heavy electrically-charged particle with a proper decay length below a centimetre, whose decay products are invisible due to below-threshold energies and/or small couplings to the
Rakhi Mahbubani, Pedro Schwaller, José Zurita   +2 more
doaj   +1 more source