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Gravitino dark matter in gauge mediated supersymmetry breaking
High Energy Physics - Phenomenology · Submitted 14 Jun 2005
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim Gravitino dark matter with the correct abundance is however expected in larger gauge groups such as SO(10) for generic non-renormalizable messenger-matter interactions and for arbritrarily high post-inflationary reheating temperatures.
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The abstract, sentence by sentence
This paper investigates the parameter space of theories with gauge mediated supersymmetry breaking leading to gravitino (cold) dark matter with mass m_{3/2}= 1keV - 10MeV. We pay particular attention to the cosmological role of messenger fields. Cosmology requires that these messengers decay to the visible sector if the lightest messenger mass M_X > 30TeV. We then examine the various possible messenger number violating interactions allowed by the symmetries of the theory and by phenomenology. Late messenger decay generally results in entropy production hence in the dilution of pre-existing gravitinos. We find that in SU(5) grand unification only specific messenger-matter couplings allow to produce the required amount of gravitino dark matter particles. Gravitino dark matter with the correct abundance is however expected in larger gauge groups such as SO(10) for generic non-renormalizable messenger-matter interactions and for arbritrarily high post-inflationary reheating temperatures.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | This paper investigates the parameter space of theories with gauge mediated supersymmetry breaking leading to gravitino (cold) dark matter with mass m_{3/2}= 1keV - 10MeV. | contribution 0.98 | 0.84 | 0.07 | asserted 0.88 |
| s1 | We pay particular attention to the cosmological role of messenger fields. | contribution 0.94 | 0.76 | 0.02 | unclear 0.54 |
| s2 | Cosmology requires that these messengers decay to the visible sector if the lightest messenger mass M_X > 30TeV. | background 0.76 | 0.20 | 0.05 | asserted 0.99 |
| s3 | We then examine the various possible messenger number violating interactions allowed by the symmetries of the theory and by phenomenology. | contribution 0.63 | 0.69 | 0.03 | unclear 0.54 |
| s4 | Late messenger decay generally results in entropy production hence in the dilution of pre-existing gravitinos. | result 0.35 | 0.18 | 0.05 | asserted 0.83 |
| s5 | We find that in SU(5) grand unification only specific messenger-matter couplings allow to produce the required amount of gravitino dark matter particles. | result 1.00 | 0.91 | 0.24 | asserted 1.00 |
| s6 | Gravitino dark matter with the correct abundance is however expected in larger gauge groups such as SO(10) for generic non-renormalizable messenger-matter interactions and for arbritrarily high post-inflationary reheating temperatures. | result 0.98 | 0.78 | 0.42 | hedged possibility 0.73 |
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Original abstract
This paper investigates the parameter space of theories with gauge mediated supersymmetry breaking leading to gravitino (cold) dark matter with mass m_{3/2}= 1keV - 10MeV. We pay particular attention to the cosmological role of messenger fields. Cosmology requires that these messengers decay to the visible sector if the lightest messenger mass M_X > 30TeV. We then examine the various possible messenger number violating interactions allowed by the symmetries of the theory and by phenomenology. Late messenger decay generally results in entropy production hence in the dilution of pre-existing gravitinos. We find that in SU(5) grand unification only specific messenger-matter couplings allow to produce the required amount of gravitino dark matter particles. Gravitino dark matter with the correct abundance is however expected in larger gauge groups such as SO(10) for generic non-renormalizable messenger-matter interactions and for arbritrarily high post-inflationary reheating temperatures.
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References
How the literature uses it
14 arXiv papers cite this in 21 sentences
Papers citing it · 13 sentences without a confident label
Cites it as background 7 papers
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The gravitinos are produced after inflation mainly by three mechanism: through decays of the inflaton field [ref] , directly non-thermally through decays of heavier unstable supersymmetric particles, like gauginos or sfermions [ref] and last but not least thermally through $1→2$ or $2 →2$ processes with a gravitino in the final state [ref] .
Gravitino Thermal Production, Dark Matter, and Reheating of the Universe · Gravitino abundance, DM and reheating temperature · 0.96
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This aspect has been extensively discussed in the literature [ref] .
Strong dark matter constraints on GMSB models · Introduction · 0.97
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In this context, there have been several detailed studies on gravitinos as light DM [ref] .
Gravitino cosmology with a very light neutralino · Quasi–stable Gravitinos · 0.97
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