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Decoupling heavy sparticles in hierarchical SUSY scenarios: Two-loop Renormalization Group equations
High Energy Physics - Phenomenology · Submitted 10 Apr 2012
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim These beta functions implementing decoupling will be useful to avoid the problems of perturbation theory in the MSSM in a mass-independent scheme such as DR-bar when large hierarchies in the spectrum are present.
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The abstract, sentence by sentence
Two loop renormalization group equations for dimensionless as well as dimensionful parameters are obtained for the low energy theories that result from decoupling heavy scalar particles in Split SUSY and Effective SUSY scenarios, assuming that only a single Higgs field survives at low energy. For the Effective SUSY case two scenarios are considered: first, when the only light third generation scalars are the partners of the left-handed quark doublet and the right-handed top quark --which yields the minimal matter content compatible with naturalness-- and second, when all the scalars of the third generation are light. These beta functions implementing decoupling will be useful to avoid the problems of perturbation theory in the MSSM in a mass-independent scheme such as DR-bar when large hierarchies in the spectrum are present.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | Two loop renormalization group equations for dimensionless as well as dimensionful parameters are obtained for the low energy theories that result from decoupling heavy scalar particles in Split SUSY and Effective SUSY scenarios, assuming that only a single Higgs field survives at low energy. | contribution 0.93 | 0.93 | 0.42 | asserted 1.00 |
| s1 | For the Effective SUSY case two scenarios are considered: first, when the only light third generation scalars are the partners of the left-handed quark doublet and the right-handed top quark --which yields the minimal matter content compatible with naturalness-- and second, when all the scalars of the third generation are light. | contribution 0.59 | 0.60 | 0.07 | asserted 0.97 |
| s2 | These beta functions implementing decoupling will be useful to avoid the problems of perturbation theory in the MSSM in a mass-independent scheme such as DR-bar when large hierarchies in the spectrum are present. | interpretation 0.94 | 0.57 | 0.34 | asserted 0.59 |
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The paper
Original abstract
Two loop renormalization group equations for dimensionless as well as dimensionful parameters are obtained for the low energy theories that result from decoupling heavy scalar particles in Split SUSY and Effective SUSY scenarios, assuming that only a single Higgs field survives at low energy. For the Effective SUSY case two scenarios are considered: first, when the only light third generation scalars are the partners of the left-handed quark doublet and the right-handed top quark --which yields the minimal matter content compatible with naturalness-- and second, when all the scalars of the third generation are light. These beta functions implementing decoupling will be useful to avoid the problems of perturbation theory in the MSSM in a mass-independent scheme such as DR-bar when large hierarchies in the spectrum are present.
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References
How the literature uses it
7 arXiv papers cite this in 18 sentences
Papers citing it · 11 sentences without a confident label
Contests it 2 papers
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[ref] in some of the RGEs for the mass parameters (our results for the latter are collected in the appendix).
A Fake Split Supersymmetry Model for the 126 GeV Higgs · Determination of the Higgs mass in the FSSM · contest 0.84
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[ref] .] Finally, in 2013 ref.
Higgs-mass predictions in the MSSM and beyond · Pre-KUTS developments · contest 0.76
Uses its method or tool 1 paper
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[ref] to perform a two-loop analysis of some basic properties of Effective SUSY scenarios with a Standard Model-like Higgs.
Decoupling heavy sparticles in Effective SUSY scenarios: Unification, Higgs masses and tachyon bounds · Introduction · 0.88
Cites it as support 1 paper
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As shown in [ref] , the early decoupling of the heavy first generations can prevent some cases from becoming tachyonic.].
RGE Behaviour of SUSY with a U(2)^3 symmetry · $U(2)^3$ in the Quark Sector · 0.98
Cites it as background 1 paper
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In our numerical discussion for the different scenarios, it will therefore not be our goal to include all known one-loop [ref] and two-loop contributions [ref] to the MSSM Higgs boson mass and to perform a resummation of large logarithms [ref] .
Complete electroweak O(Nc^2) two-loop contributions to the Higgs boson masses in the MSSM and aspects of two-loop renormalisation · Numerical analysis of the full electroweak O(Nc2) two-loop results · 0.96
What it cites
Cites as background 1 paper
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Such is the case, among others, of the sugra-inspired constrained MSSM (CMSSM), or models of gauge mediation (see for example [ref] , [ref] ).
The Status of GMSB After 1/fb at the LHC · Introduction · 0.91
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