MSSM: Cornered and Correlated

Farvah Mahmoudi; Ulrich Haisch

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MSSM: Cornered and Correlated

Ulrich Haisch, Farvah Mahmoudi

High Energy Physics - Phenomenology · Submitted 29 Oct 2012

abstract compiled · 2026-09-23 · no language-model review

The authors' main claim In contrast, the Higgs-boson couplings show good overall agreement with the preliminary experimental determinations, the DM abundance is consistent with observation, and the discrepancy in (g-2)_mu is reduced.

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What the abstract itself states, as probabilities: claims first 0.03 · states limitation 0.20 · human participants 0.01 · controlled comparison 0.26 · randomized assignment 0.01 · states quantitative result 0.08 · compares with prior results 0.70 · mentions code or data availability 0.02.

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Inspired by the latest results of ATLAS and CMS on the search for the standard model (SM) Higgs scalar, we discuss in this article the correlations between Higgs-boson properties, low-energy observables, such as B -> X_sgamma, B_s -> mu^+mu^-, and (g-2)_mu, and the dark matter (DM) relic density. We focus on the corners of the MSSM parameter space where the pp -> h -> gammagamma signal is enhanced due to the presence of a light stau state. In this region tan(beta), M_A, A_t, and mu take large values, and we find striking correlations between many of the considered observables. In particular, the B -> X_sgamma branching fraction is enhanced, while the B_s -> mu^+mu^- rate tends to be below the SM expectation. In contrast, the Higgs-boson couplings show good overall agreement with the preliminary experimental determinations, the DM abundance is consistent with observation, and the discrepancy in (g-2)_mu is reduced. The predicted deviations and found correlations could be tested in the near future and hence may become very valuable as guidelines and consistency checks.

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What the classifier reports for each sentence. The number is the probability it gave the label.
#	sentence	role	the authors' own work	states the main conclusion	strength
s0	Inspired by the latest results of ATLAS and CMS on the search for the standard model (SM) Higgs scalar, we discuss in this article the correlations between Higgs-boson properties, low-energy observables, such as B -> X_sgamma, B_s -> mu^+mu^-, and (g-2)_mu, and the dark matter (DM) relic density.	contribution 0.76	0.43	0.07	asserted 0.65
s1	We focus on the corners of the MSSM parameter space where the pp -> h -> gammagamma signal is enhanced due to the presence of a light stau state.	contribution 0.92	0.37	0.07	asserted 0.97
s2	In this region tan(beta), M_A, A_t, and mu take large values, and we find striking correlations between many of the considered observables.	result 0.75	0.94	0.17	asserted 1.00
s3	In particular, the B -> X_sgamma branching fraction is enhanced, while the B_s -> mu^+mu^- rate tends to be below the SM expectation.	result 1.00	0.86	0.18	asserted 0.95
s4	In contrast, the Higgs-boson couplings show good overall agreement with the preliminary experimental determinations, the DM abundance is consistent with observation, and the discrepancy in (g-2)_mu is reduced.	result 0.99	0.84	0.33	asserted 0.77
s5	The predicted deviations and found correlations could be tested in the near future and hence may become very valuable as guidelines and consistency checks.	interpretation 0.65	0.37	0.32	hedged possibility 1.00

What kind of paper the classifier reports this is: theoretical result 0.70 · evidence from simulation or computation 0.80.

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Original abstract

Inspired by the latest results of ATLAS and CMS on the search for the standard model (SM) Higgs scalar, we discuss in this article the correlations between Higgs-boson properties, low-energy observables, such as B -> X_sgamma, B_s -> mu^+mu^-, and (g-2)_mu, and the dark matter (DM) relic density. We focus on the corners of the MSSM parameter space where the pp -> h -> gammagamma signal is enhanced due to the presence of a light stau state. In this region tan(beta), M_A, A_t, and mu take large values, and we find striking correlations between many of the considered observables. In particular, the B -> X_sgamma branching fraction is enhanced, while the B_s -> mu^+mu^- rate tends to be below the SM expectation. In contrast, the Higgs-boson couplings show good overall agreement with the preliminary experimental determinations, the DM abundance is consistent with observation, and the discrepancy in (g-2)_mu is reduced. The predicted deviations and found correlations could be tested in the near future and hence may become very valuable as guidelines and consistency checks.

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References

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Cited by 7 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

Probing the Standard Model with Higgs signal rates from the Tevatron, the LHC and a future ILC
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In a nine-parameter MSSM scan, neutralino dark matter consistent with muon g-2 and not yet excluded by LHC electroweak searches sits between 200 and 500 GeV, and the XENON100 bound weakens once a new pion-nucleon sigm...
Vacuum Stability and Higgs Diphoton Decays in the MSSM
hep-ph 2012-11 conditional novelty 5.0 of 10

Including a radiatively corrected tau Yukawa and the residual tan-beta dependence relaxes the MSSM stau-mixing metastability bound enough to permit roughly a 50 percent enhancement of the Higgs diphoton partial width.
Indirect Probes of the MSSM after the Higgs Discovery
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Rare B decays and dark matter direct detection constrain the minimal supersymmetric standard model at large tan beta more tightly than direct collider searches, even under minimal flavor violation.

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An update of the constraints on the phenomenological MSSM from the new LHC Higgs results
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Applying updated LHC Higgs, LHCb and XENON100 constraints to 2x10^8 pMSSM points pushes the model into the decoupling regime and excludes the heavier H boson as the observed 126 GeV state.
MSSM Interpretations of the LHC Discovery: Light or Heavy Higgs?
hep-ph 2012-11 conditional novelty 4.0 of 10

A seven-parameter MSSM fit to the 2012 LHC and Tevatron Higgs rates prefers the light CP-even Higgs over the Standard Model and still permits the heavy CP-even Higgs as the 126 GeV state.

How the literature uses it

24 arXiv papers cite this in 41 sentences

Each citing sentence is taken from the citing paper's LaTeX source and typed by Pith's classifier. A label appears at probability 0.8 or more (0.95 for support), a contest at 0.7 or more; the quoted words are the citing authors'. How each label was checked · JSON

Papers citing it · 32 sentences without a confident label

Uses its data or values 1 paper

If we assume a 10% uncertainty in the SUSY calculation and combining the experimental limits together with the corresponding SM predictions, we get the following constraints at 95% C.L. on the $R(X)$: * $B →X_s γ$ [ref] [equation] * $B_q →l^+ l^-$ [ref] [equation] * $ΔM_B_q$ [ref] [equation]

Resurrecting light stops after the 125 GeV Higgs in the baryon number violating CMSSM · Numerical setup · 0.96

Compares with it 1 paper

We note that the above agrees with the analysis of Ref. [ref] where $Br(B_s →μ^+ μ^-)$ for a large $tanβ$ is seen to be enhanced for $μA_t<0$.

Exploring MSSM for Charge and Color Breaking and Other Constraints in the Context of Higgs@125 GeV · Scan over wide range of $μ$ and $A_t$ for $tanβ=40$ · 0.82

Cites it as background 6 papers

We consider now the contributions of SUSY particles to the $γγ$ branching fraction and, eventually, to the $gg→h$ amplitude [ref] .

An update of the constraints on the phenomenological MSSM from the new LHC Higgs results · SUSY corrections to the Higgs rates · 0.90
Most of the papers on these “p$n$MSSM” models analyzed the impact of constraints from direct LHC SUSY searches [ref] , from the Higgs discovery [ref] , from $b$-physics [ref] , and from direct and indirect detection of DM [ref] .

Dark matter and collider signatures of the MSSM · Introduction · 0.95
In general, many models involving new particles have been introduced to account for the enhancement in the photon channel, some without embedding the new physics into a motivated UV completion, others studying $h→γγ$ in (more) complete models, addressing the hierarchy problem of particle physics [ref] .

Custodial Leptons and Higgs Decays · Introduction · 0.99

What it cites · 65 sentences without a confident label

Builds on 6 papers

In this article we dissect the “light stau scenario” extending previous analyses [ref] that are similar in spirit.

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In this article we dissect the “light stau scenario” extending previous analyses [ref] that are similar in spirit.

Light Stau Phenomenology and the Higgs \gamma\gamma Rate · Introduction · 0.96
In this article we dissect the “light stau scenario” extending previous analyses [ref] that are similar in spirit.

Searching SUSY Leptonic Partner at the CERN LHC · Introduction · 0.96

Uses the method or tool of 5 papers

All results presented below have been obtained using SoftSusy 3.3.3 [ref] for the spectrum calculation, Higlu 3.11 [ref] and Hdecay 4.45 [ref] for the computation of Higgs-boson production and decay, and SuperIso Relic 3.3 [ref] for the calculation of the relevant low-energy observables and the DM abundance.

SuperIso: A program for calculating the isospin asymmetry of B -> K* gamma in the MSSM · Numerical Analysis · 1.00
All results presented below have been obtained using SoftSusy 3.3.3 [ref] for the spectrum calculation, Higlu 3.11 [ref] and Hdecay 4.45 [ref] for the computation of Higgs-boson production and decay, and SuperIso Relic 3.3 [ref] for the calculation of the relevant low-energy observables and the DM abundance.

SuperIso Relic: A program for calculating relic density and flavor physics observables in Supersymmetry · Numerical Analysis · 1.00
All results presented below have been obtained using SoftSusy 3.3.3 [ref] for the spectrum calculation, Higlu 3.11 [ref] and Hdecay 4.45 [ref] for the computation of Higgs-boson production and decay, and SuperIso Relic 3.3 [ref] for the calculation of the relevant low-energy observables and the DM abundance.

SOFTSUSY: a program for calculating supersymmetric spectra · Numerical Analysis · 1.00

Uses data or values from 11 papers

Combining the experimental result [ref] with the SM calculation, based on an update of the hadronic vacuum polarisation contributions [ref] and the complete tenth-order QED corrections [ref] , results in Δa_μ= a_μ^exp - a_μ^SM = (2.5 ±0.9) ·10^-9 .

(g-2)_mu and alpha(M_Z^2) re-evaluated using new precise data · Numerical Analysis · 0.97
Combining the experimental result [ref] with the SM calculation, based on an update of the hadronic vacuum polarisation contributions [ref] and the complete tenth-order QED corrections [ref] , results in Δa_μ= a_μ^exp - a_μ^SM = (2.5 ±0.9) ·10^-9 .

Complete Tenth-Order QED Contribution to the Muon g-2 · Numerical Analysis · 0.97
While the achieved precision is so far insufficient to draw any final conclusion, one cannot help but noticing that the LHC data match well the SM prediction with one possible exception: the central value of the measured relative strength of the diphoton signal is too large by about $70%$ [ref] .

Observation of a new boson at a mass of 125 GeV with the CMS experiment at the LHC · Introduction · 0.88

Compares with 1 paper

The result ([ref]) agrees with the expression given in [ref] .

Viability of MSSM scenarios at very large tan(beta) · Anatomy of Low-Energy Observables · 0.96

Cites as support 1 paper

In the context of the minimal supersymmetric SM (MSSM) a light, maximally mixed stau can be shown to increase the loop-induced $hγγ$ coupling [ref] , hence leading to the desired effect.

A 125 GeV SM-like Higgs in the MSSM and the $\gamma \gamma$ rate · Introduction · 0.96

Cites as background 2 papers

In the decoupling limit of the MSSM, , $M_A^2 ≫M_Z^2$, the lightest CP-even Higgs boson (for a review including original references, see [ref] ) acquires the squared tree-level mass M_h^2 ≈M_Z^2 c^2_2β ( 1 - M_Z^2/M_A^2 s_2 β^2 ) .

The Anatomy of Electro-Weak Symmetry Breaking. II: The Higgs bosons in the Minimal Supersymmetric Model · Anatomy of Higgs-Boson Mass · 0.99
In the MSSM, this observable receives one-loop contributions from Feynman diagrams with neutralino and smuon as well as chargino and sneutrino exchange (see [ref] for topical reviews).

The Muon Magnetic Moment and Supersymmetry · Anatomy of Low-Energy Observables · 0.99

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