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Some Aspects of Thermal Leptogenesis
High Energy Physics - Phenomenology · Submitted 1 Jun 2004
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim In particular, an upper bound on the light neutrino masses of 0.1 eV can be derived.
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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
Properties of neutrinos may be the origin of the matter-antimatter asymmetry of the universe. In the seesaw model for neutrino masses this leads to important constraints on the properties of light and heavy neutrinos. In particular, an upper bound on the light neutrino masses of 0.1 eV can be derived. We review the present status of thermal leptogenesis with emphasis on the theoretical uncertainties and discuss some implications for lepton and quark mass hierarchies, CP violation and dark matter. We also comment on the `leptogenesis conspiracy', the remarkable fact that neutrino masses may lie in the range where leptogenesis works best.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | Properties of neutrinos may be the origin of the matter-antimatter asymmetry of the universe. | background 1.00 | 0.07 | 0.14 | hedged possibility 1.00 |
| s1 | In the seesaw model for neutrino masses this leads to important constraints on the properties of light and heavy neutrinos. | background 0.84 | 0.10 | 0.08 | asserted 0.96 |
| s2 | In particular, an upper bound on the light neutrino masses of 0.1 eV can be derived. | result 0.92 | 0.44 | 0.32 | asserted 0.98 |
| s3 | We review the present status of thermal leptogenesis with emphasis on the theoretical uncertainties and discuss some implications for lepton and quark mass hierarchies, CP violation and dark matter. | contribution 1.00 | 0.78 | 0.12 | asserted 0.61 |
| s4 | We also comment on the `leptogenesis conspiracy', the remarkable fact that neutrino masses may lie in the range where leptogenesis works best. | interpretation 0.55 | 0.26 | 0.11 | hedged possibility 0.80 |
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The paper
Original abstract
Properties of neutrinos may be the origin of the matter-antimatter asymmetry of the universe. In the seesaw model for neutrino masses this leads to important constraints on the properties of light and heavy neutrinos. In particular, an upper bound on the light neutrino masses of 0.1 eV can be derived. We review the present status of thermal leptogenesis with emphasis on the theoretical uncertainties and discuss some implications for lepton and quark mass hierarchies, CP violation and dark matter. We also comment on the `leptogenesis conspiracy', the remarkable fact that neutrino masses may lie in the range where leptogenesis works best.
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References
How the literature uses it
26 arXiv papers cite this in 28 sentences
Papers citing it · 13 sentences without a confident label
Uses its method or tool 2 papers
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In our work, we've used the thermal leptogenesis [ref] to explain the BAU in the visible sector and the handedness asymmetry in the dark sector.
Cogenesis of visible and dark sector asymmetry in a minimal seesaw framework · Asymmetry Generation · 0.89
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In this case, the asymmetry is [equation] and we can use the usual approximate analytical expression for the strong-washout efficiency factor [ref] , [equation] We have checked that Eqs. [ref], [ref]-[ref] give an asymmetry value consistent with our numerical solutions to the Boltzmann equations (to be given below) for the case where $y_2$ dominates.
Comprehensive asymmetric dark matter model · Small cross-sector coupling case · 0.96
Uses its data or values 1 paper
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The proportionality constant contains the sphaleron conversion factor, $a_sph$, which for SM particle content is $28/79∼1/3$, and the dilution due to the photon production between the leptogenesis scale and the scale of recombination, $1/f=86/2387∼1/30$ assuming the standard isentropic expansion [ref] .
Neutrino mass generation and leptogenesis via pseudo-Nambu-Goldstone Higgs portal · Scenario I: Resonant leptogenesis · 0.86
Compares with it 1 paper
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This is in contrast to the case of thermal leptogenesis, which requires that $T_R 10^9$ [ref] .
Leptogenesis via Inflaton Mass Terms in Non-Minimally Coupled Inflation · Absence of Washout · 0.94
Cites it as support 1 paper
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Yet, it has been shown [ref] , [ref] , [ref] , [ref] that successful leptogenesis is possible for $m_1 < m_*$ as well as $m_1 > m_*$, in the range from $√(Δm^2_12)$ to $√(Δm^2_23)$.
Neutrino Physics and CP violation · Leptogenesis · 0.97
Cites it as background 10 papers
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This has elicited a myriad of investigations over the years towards combined explanations of neutrino masses and the BAU, most popularly through the mechanism of baryogenesis via leptogenesis [ref] .
Clockwork Neutrinogenesis: Baryogenesis from theory space · Introduction · 0.98
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In recent years, quantitative analysis of the standard leptogenesis scenario have become more and more sophisticated, taking into account many subtle but significant ingredients, such as various washout effects [ref] , thermal corrections to particle masses and $CP$ violating asymmetries [ref] , spectator processes [ref] , flavor effects [ref] and the possible effects of the heaviest right handed Majorana neutrinos $N_2,3$ [ref] (for reviews of the most recent results see [ref] ).
Variations on leptogenesis · Introduction · 0.96
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In recent years, quantitative analyses of leptogenesis have become more and more sophisticated, taking into account many subtle but significant ingredients, such as several washout processes [ref] , proper subtraction of on-shell heavy neutrino intermediate states [ref] , thermal corrections to particle masses, couplings and decay asymmetries [ref] , spectator processes [ref] , flavor effects [ref] , and the possible effects of the heaviest right handed Majorana neutrinos $N_2,3$ [ref] (for reviews of the most recent results see [ref] ).
CP violation in scatterings, three body processes and the Boltzmann equations for leptogenesis · Introduction · 0.98
Discussion
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