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Seesaw Scale and CP Phases in a Minimal Model of Leptogenesis
High Energy Physics - Phenomenology · Submitted 14 Nov 2016
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim It is shown that the seesaw scale relevant to the lepton asymmetry can be constrained by CP phase in this minimal model.
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The abstract, sentence by sentence
The seesaw mechanism to derive the light masses of left-handed neutrinos using heavy masses of right-handed neutrinos gives rise to a connection between low-energy measurables and GUT-scale mechanism. We expresses the neutrino mixing angles in terms of a single variable $\sin\theta_{13}$, whose size was measured recently. The lepton asymmetry from heavy neutrinos via Yukawa coupling is described by CP phases in both Dirac and Majorana type. It is shown that the seesaw scale relevant to the lepton asymmetry can be constrained by CP phase in this minimal model.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | The seesaw mechanism to derive the light masses of left-handed neutrinos using heavy masses of right-handed neutrinos gives rise to a connection between low-energy measurables and GUT-scale mechanism. | background 1.00 | 0.11 | 0.08 | asserted 1.00 |
| s1 | We expresses the neutrino mixing angles in terms of a single variable $\sin\theta_{13}$, whose size was measured recently. | contribution 0.55 | 0.85 | 0.08 | asserted 1.00 |
| s2 | The lepton asymmetry from heavy neutrinos via Yukawa coupling is described by CP phases in both Dirac and Majorana type. | method 0.43 | 0.42 | 0.10 | asserted 1.00 |
| s3 | It is shown that the seesaw scale relevant to the lepton asymmetry can be constrained by CP phase in this minimal model. | result 0.99 | 0.88 | 0.71 | asserted 1.00 |
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The paper
Original abstract
The seesaw mechanism to derive the light masses of left-handed neutrinos using heavy masses of right-handed neutrinos gives rise to a connection between low-energy measurables and GUT-scale mechanism. We expresses the neutrino mixing angles in terms of a single variable $\sin\theta_{13}$, whose size was measured recently. The lepton asymmetry from heavy neutrinos via Yukawa coupling is described by CP phases in both Dirac and Majorana type. It is shown that the seesaw scale relevant to the lepton asymmetry can be constrained by CP phase in this minimal model.
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How the literature uses it
2 arXiv papers cite this in 2 sentences
Papers citing it
Builds on it 1 paper
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Previous works on minimal models [ref] motivated a model extension to three heavy neutrinos without approximation.
Light sterile neutrino and leptogenesis · Introduction · 0.82
Cites it as background 1 paper
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For instance, the compatibility of texture-zero hypothesis in the 2RHNSM with neutrino data has been studied in Refs. [ref] and, in the context of leptogenesis, in Refs. [ref] .
The minimal type-I seesaw model with maximally-restricted texture zeros · Introduction · 0.93
What it cites
Cites as background 1 paper
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A next-generation oscillation experiment is rushing to narrow down the range of $δ$, the CP phase of PMNS matrix [ref] .
1512.06148 · Introduction · 0.81
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