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Supersymmetric Dark Matter 2004
High Energy Physics - Phenomenology · Submitted 7 Oct 2004
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim I argue that the allowed parameter space is actually still quite large, when all uncertainties are properly taken into account.
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The paper's own sentences, arranged. Each label is drawn from a closed vocabulary; the number beside it is the probability the classifier gave that label. Numbers in the tables are the authors', checked by code. No sentence in this record was written by a model.
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The abstract, sentence by sentence
Recent cosmological data allow to determine the universal Dark Matter (DM) density to a precision of about 10%, if a simple, well-motivated ansatz for the spectrum of primordial density perturbations is correct. Not surprisingly, a thermal neutralino \chi will have the correct relic density only in ``small'' regions of parameter space. In particular, for fixed values of the other parameters, the allowed region in the (m_0, m_{1/2} plane (in mSUGRA or similar models) seems quite small, if standard assumptions about the Universe at temperature T \simeq m_\chi / 10 are correct. I argue that the allowed parameter space is actually still quite large, when all uncertainties are properly taken into account. In particular, the current lower limits on sparticle and Higgs masses that can be derived within mSUGRA do not change appreciably when the DM relic density constraint is imposed. I also show that deviating from mSUGRA does not alleviate the finetuning required to obtain the correct relic density, unless one also postulates a non-standard cosmology. Finally, I briefly discuss claimed positive evidence for particle Dark Matter.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | Recent cosmological data allow to determine the universal Dark Matter (DM) density to a precision of about 10%, if a simple, well-motivated ansatz for the spectrum of primordial density perturbations is correct. | background 1.00 | 0.08 | 0.04 | asserted 0.54 |
| s1 | Not surprisingly, a thermal neutralino \chi will have the correct relic density only in ``small'' regions of parameter space. | background 0.85 | 0.14 | 0.03 | asserted 0.74 |
| s2 | In particular, for fixed values of the other parameters, the allowed region in the (m_0, m_{1/2} plane (in mSUGRA or similar models) seems quite small, if standard assumptions about the Universe at temperature T \simeq m_\chi / 10 are correct. | background 0.88 | 0.17 | 0.04 | hedged possibility 0.73 |
| s3 | I argue that the allowed parameter space is actually still quite large, when all uncertainties are properly taken into account. | result 0.88 | 0.75 | 0.83 | asserted 0.96 |
| s4 | In particular, the current lower limits on sparticle and Higgs masses that can be derived within mSUGRA do not change appreciably when the DM relic density constraint is imposed. | result 0.98 | 0.84 | 0.16 | asserted 0.98 |
| s5 | I also show that deviating from mSUGRA does not alleviate the finetuning required to obtain the correct relic density, unless one also postulates a non-standard cosmology. | result 0.97 | 0.84 | 0.08 | asserted 0.98 |
| s6 | Finally, I briefly discuss claimed positive evidence for particle Dark Matter. | contribution 0.82 | 0.45 | 0.02 | unclear 0.89 |
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Original abstract
Recent cosmological data allow to determine the universal Dark Matter (DM) density to a precision of about 10%, if a simple, well-motivated ansatz for the spectrum of primordial density perturbations is correct. Not surprisingly, a thermal neutralino \chi will have the correct relic density only in ``small'' regions of parameter space. In particular, for fixed values of the other parameters, the allowed region in the (m_0, m_{1/2} plane (in mSUGRA or similar models) seems quite small, if standard assumptions about the Universe at temperature T \simeq m_\chi / 10 are correct. I argue that the allowed parameter space is actually still quite large, when all uncertainties are properly taken into account. In particular, the current lower limits on sparticle and Higgs masses that can be derived within mSUGRA do not change appreciably when the DM relic density constraint is imposed. I also show that deviating from mSUGRA does not alleviate the finetuning required to obtain the correct relic density, unless one also postulates a non-standard cosmology. Finally, I briefly discuss claimed positive evidence for particle Dark Matter.
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Contests it 1 paper
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The statement that this DAMA result is completely excluded by the results of these cryogenic experiments and is inconsistent with the SUSY interpretation (see, for example, [ref] ) is simply wrong (see also discussions in [ref] ).
Direct Search for Dark Matter - Striking the Balance - and the Future · One-coupling dominance approach · contest 0.81
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