# Stability, reheating, and leptogenesis

@article{Croon2019StabilityRA, title={Stability, reheating, and leptogenesis}, author={D. Croon and Nicolas Fernandez and D. McKeen and G. White}, journal={Journal of High Energy Physics}, year={2019}, volume={2019}, pages={1-19} }

A bstractIn a minimal model of leptogenesis, the observed baryon asymmetry is realized after high-scale reheating into the lightest sterile neutrino. We consider constraints on this scenario from the stability of the Higgs vacuum during pre-heating. Depending on the reheat temperature, the lightest sterile neutrino may be in or out of thermal equilibrium at production. Demanding stability of the Higgs vacuum during pre-heating, we find strong constraints which primarily impact the parameter… Expand

#### 13 Citations

The minimal seesaw and leptogenesis models

- Physics, Medicine
- Reports on progress in physics. Physical Society
- 2021

This article is intended to provide an up-to-date review of various phenomenological aspects of the minimal seesaw and its associated leptogenesis mechanism in neutrino physics and cosmology and confronting their predictions with current neutrinos oscillation data and cosmological observations. Expand

Testing the Seesaw Mechanism and Leptogenesis with Gravitational Waves.

- Physics, Medicine
- Physical review letters
- 2020

Estimating the predicted gravitational wave background, it is found that future space-borne missions could probe the entire range relevant for thermal leptogenesis, and finds that in many cases, gravitational waves from the network of cosmic strings should be detectable. Expand

Relativistic and spectator effects in leptogenesis with heavy sterile neutrinos

- Physics
- 2019

For leptogenesis with heavy sterile neutrinos above the electroweak scale, asymmetries produced at early times (in the relativistic regime) are relevant, if they are protected from washout. This can… Expand

Leptogenesis in fast expanding Universe

- Physics
- 2019

With the consideration of a fast expanding Universe in effect due to an additional scalar field, we present a study of leptogenesis in non-standard cosmology. The Hubble expansion rate is modified by… Expand

Flavoured leptogenesis and CPμτ symmetry

- Physics
- 2020

We present a systematic study of leptogenesis in neutrino mass models with $\mu\tau$-flavoured CP symmetry. In addition to the strong hierarchical $N_1$-dominated scenario ($N_1$DS) in the `two… Expand

High-energy high-luminosity e+e− collider using energy-recovery linacs

- Physics
- 2019

In this paper we present alternative approach for Future Circular electron-positron Collider. Current 100 km circumference design with the top CM energy of 365 GeV (182.5 GeV beam energy) is based on… Expand

Non-thermal leptogenesis and UV freeze-in of dark matter: impact of inflationary reheating

- Physics
- 2021

Basabendu Barman,1, ∗ Debasish Borah,1, † and Rishav Roshan1, ‡ 1Department of Physics, Indian Institute of Technology Guwahati, Assam 781039, India Abstract We study aminimal scenario to realize… Expand

CP odd weak basis invariants in minimal see-saw model and leptogenesis

- Physics
- 2020

In this paper, we derive the relationship between the weak basis invariants (WB) related to CP violation responsible for leptogenesis and CP violation relevant at low energy. We examine all the… Expand

Higgs inflation, vacuum stability, and leptogenesis

- Physics
- 2020

We consider the introduction of a complex scalar field carrying a global lepton number charge to the Standard Model and the Higgs inflation framework. The conditions are investigated under which this… Expand

Lepto-axiogenesis

- Physics
- 2020

We propose a baryogenenesis mechanism that uses a rotating condensate of a Peccei-Quinn (PQ) symmetry breaking field and the dimension-five operator that gives Majorana neutrino masses. The rotation… Expand

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