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pMSSM Dark Matter Searches on Ice
High Energy Physics - Phenomenology · Submitted 6 May 2011
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim We find that a large fraction of the pMSSM models are shown to have significant signal rates in the anticipated IceCube/DeepCore 1825 day dataset, including some prospects for an early discovery.
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The abstract, sentence by sentence
We explore the capability of the IceCube/Deepcore array to discover signal neutrinos resulting from the annihilations of Supersymmetric WIMPS that may be captured in the solar core. In this analysis, we use a previously generated set of /sim 70k model points in the 19-dimensional parameter space of the pMSSM which satisfy existing experimental and theoretical constraints. Our calculations employ a realistic estimate of the IceCube/DeepCore effective area that has been modeled by the IceCube collaboration. We find that a large fraction of the pMSSM models are shown to have significant signal rates in the anticipated IceCube/DeepCore 1825 day dataset, including some prospects for an early discovery. Many models where the LSP only constitutes a small fraction of the total dark matter relic density are found to have observable rates. We investigate in detail the dependence of the signal neutrino fluxes on the LSP mass, weak eigenstate composition, annihilation products and thermal relic density, as well as on the spin-independent and spin-dependent scattering cross sections. Lastly, We compare the model coverage of IceCube/DeepCore to that obtainable in near-future direct detection experiments and to pMSSM searches at the 7 TeV LHC.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | We explore the capability of the IceCube/Deepcore array to discover signal neutrinos resulting from the annihilations of Supersymmetric WIMPS that may be captured in the solar core. | contribution 0.99 | 0.73 | 0.07 | hedged possibility 0.76 |
| s1 | In this analysis, we use a previously generated set of /sim 70k model points in the 19-dimensional parameter space of the pMSSM which satisfy existing experimental and theoretical constraints. | method 0.99 | 0.62 | 0.02 | asserted 0.99 |
| s2 | Our calculations employ a realistic estimate of the IceCube/DeepCore effective area that has been modeled by the IceCube collaboration. | method 1.00 | 0.45 | 0.02 | asserted 1.00 |
| s3 | We find that a large fraction of the pMSSM models are shown to have significant signal rates in the anticipated IceCube/DeepCore 1825 day dataset, including some prospects for an early discovery. | result 1.00 | 0.96 | 0.80 | asserted 0.98 |
| s4 | Many models where the LSP only constitutes a small fraction of the total dark matter relic density are found to have observable rates. | result 1.00 | 0.96 | 0.13 | asserted 1.00 |
| s5 | We investigate in detail the dependence of the signal neutrino fluxes on the LSP mass, weak eigenstate composition, annihilation products and thermal relic density, as well as on the spin-independent and spin-dependent scattering cross sections. | contribution 0.83 | 0.89 | 0.04 | asserted 0.72 |
| s6 | Lastly, We compare the model coverage of IceCube/DeepCore to that obtainable in near-future direct detection experiments and to pMSSM searches at the 7 TeV LHC. | contribution 0.86 | 0.87 | 0.08 | asserted 0.53 |
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The paper
Original abstract
We explore the capability of the IceCube/Deepcore array to discover signal neutrinos resulting from the annihilations of Supersymmetric WIMPS that may be captured in the solar core. In this analysis, we use a previously generated set of /sim 70k model points in the 19-dimensional parameter space of the pMSSM which satisfy existing experimental and theoretical constraints. Our calculations employ a realistic estimate of the IceCube/DeepCore effective area that has been modeled by the IceCube collaboration. We find that a large fraction of the pMSSM models are shown to have significant signal rates in the anticipated IceCube/DeepCore 1825 day dataset, including some prospects for an early discovery. Many models where the LSP only constitutes a small fraction of the total dark matter relic density are found to have observable rates. We investigate in detail the dependence of the signal neutrino fluxes on the LSP mass, weak eigenstate composition, annihilation products and thermal relic density, as well as on the spin-independent and spin-dependent scattering cross sections. Lastly, We compare the model coverage of IceCube/DeepCore to that obtainable in near-future direct detection experiments and to pMSSM searches at the 7 TeV LHC.
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References
How the literature uses it
8 arXiv papers cite this in 15 sentences
Papers citing it · 6 sentences without a confident label
Uses its method or tool 2 papers
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We use DarkSUSY 5.0.6 [ref] to simulate the (yearly-average) signal $ν_μ$/$ν̅_μ$ neutrino flux spectra incident at the detector's position and convolve with preliminary $ν_μ$/$ν̅_μ$ effective areas for muon events contained in DeepCore[These are the same effective areas that were used in [ref] , referred to there as “SMT8/SMT4."].
Complementarity of Dark Matter Searches in the pMSSM · IceCube · 0.98
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Our analysis closely follows that presented in [ref] .
Complementarity and Searches for Dark Matter in the pMSSM · IceCube · 0.96
Compares with it 2 papers
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The biggest difference between these results and those of the previous analysis [ref] , which used a set of pMSSM models that were chosen to have relatively light ($≤1$) sparticles, is that a much smaller percentage of the current pMSSM models are able to reach capture/annihilation equilibrium in the sun.
Complementarity and Searches for Dark Matter in the pMSSM · IceCube · 1.00
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The biggest difference between these results and those of the previous analysis [ref] , which used an older set of pMSSM models that were chosen to have relatively light ($≤1$) sparticles, is that a much smaller percentage of the current pMSSM models are able to reach capture/annihilation equilibrium in the sun.
Complementarity of Dark Matter Searches in the pMSSM · IceCube · 1.00
Cites it as support 1 paper
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While these bounds have been superseded by LHC analyses, we note that collider searches have been found to be largely uncorrelated with the most important DM observables (relic density, annihilation and scattering cross-sections) [ref] , and we expect the results presented here to accurately represent the prospects for indirect detection in the context of the pMSSM.
Constraints on the pMSSM from LAT Observations of Dwarf Spheroidal Galaxies · Generation of the pMSSM Model Set · 1.00
Cites it as background 2 papers
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Our points are chosen to illustrate certain cases; for examples of more complete exploration of dark matter in the MSSM, see [ref] .
The Pitfalls of Dark Crossings · Tricky Supersymmetric Thermal Relics · 0.87
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Other authors have looked at predicted neutrino rates in 2D slices through MSSM parameter spaces (e.g. [ref] ), or from sets of models in non-statistical random scans of various incarnations of the MSSM (e.g. [ref] ).
Use of event-level neutrino telescope data in global fits for theories of new physics · Introduction · 0.94
What it cites · 38 sentences without a confident label
Uses the method or tool of 3 papers
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These injection spectra are then propagated out of the sun and to/through the earth to the detector via the package WimpSim [ref] , which is embedded in DarkSUSY 5.0.5.
Neutrinos from WIMP Annihilations Obtained Using a Full Three-Flavor Monte Carlo Approach · Solar Neutrino Signals from the pMSSM · 1.00
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DarkSUSY uses the analytic formulae in [ref] (as described in Ref. [ref] ) to derive the rate and spectra of signal neutrinos injected at the solar core by the solar $$ population.
Limits on the WIMP-nucleon scattering cross-section from neutrino telescopes · Solar Neutrino Signals from the pMSSM · 0.97
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For each of our models we input SUSY Les Houches Accord files via SLHAlib [ref] to DarkSUSY, which subsequently calculates annihilation and scattering cross-sections.
SUSY Les Houches Accord 2 · Solar Neutrino Signals from the pMSSM · 1.00
Uses data or values from 3 papers
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In the work [ref] , it is estimated that 11.5 events/yr is the appropriate level for 90% exclusion by the Feldman-Cousins construction [ref] , and that 31.6 events/yr is appropriate for discovery with $S/√(B)≥5$.
Prospects for dark matter detection with IceCube in the context of the CMSSM · The IceCube/DeepCore Solar WIMP Search · 0.94
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In this aim we have employed the large set of $∼71$k phenomenologically-viable pMSSM SUSY models that were generated and described in the work [ref] .
Supersymmetry Without Prejudice · Discussion · 0.94
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It is important to note that, because we have employed the WMAP measurement of the DM relic density only as an upper bound on selecting pMSSM models, we must appropriately rescale the empirical estimate $ρ_0 = 0.3 GeV/cm^3$ for the total local DM energy density by the factor [equation] where $Ω_WMAPh^2=0.1143$ [ref] .
Five-Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Cosmological Interpretation · Solar Neutrino Signals from the pMSSM · 1.00
Cites as background 20 papers
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Many works have previously elucidated important sources of experimental uncertainty [ref] [ref] ($$, from our imprecise knowledge of nuclear matrix elements, solar composition and of the details of the neutrino sector) in the estimation of the capture rate and subsequent neutrino signal.
Re-Evaluation of the Elastic Scattering of Supersymmetric Dark Matter · Discussion · 0.91
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Many works have previously elucidated important sources of experimental uncertainty [ref] [ref] ($$, from our imprecise knowledge of nuclear matrix elements, solar composition and of the details of the neutrino sector) in the estimation of the capture rate and subsequent neutrino signal.
Neutrino Fluxes from CMSSM LSP Annihilations in the Sun · Discussion · 0.91
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In lieu of non-standard cosmological scenarios [ref] [ref] , which may drastically alter the connection between the annihilation cross-section and the relic density, or special relationships in the SUSY mass spectrum that allow for co-annihilations or resonant annihilations, we expect the scaling $R∼1/$, so that $∼R$ while $∼1$.
Is the PAMELA Positron Excess Winos? · IC/DC Comparison with Other Experiments · 0.81
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