Gravity as a portal to reheating, leptogenesis and dark matter

Barman, Basabendu; Cléry, Simon; Co, Raymond T.; Mambrini, Yann; Olive, Keith A.

doi:10.1007/jhep12(2022)072

Title: Gravity as a portal to reheating, leptogenesis and dark matter

Abstract

We show that a minimal scenario, utilizing only the graviton as an intermediate messenger between the inflaton, the dark sector and the Standard Model (SM), is able to generate simultaneously the observed relic density of dark matter (DM), the baryon asymmetry through leptogenesis, as well as a sufficiently hot thermal bath after inflation. We assume an inflaton potential of the form V(Φ) ∝ Φ^k about the minimum at the end of inflation. The possibility of reheating via minimal gravitational interactions has been excluded by constraints on dark radiation for excessive gravitational waves produced from inflation. We thus extend the minimal model in several ways: i) we consider non-minimal gravitational couplings — this points to the parameter range of DM masses M_N₁ ≃ 2–10 PeV, and right-handed neutrino masses M_N₂ ≃ (5–20) × 10¹¹ GeV, and T_RH ≲ 3 × 10⁵ GeV (for k ≤ 20); ii) we propose an explanation for the PeV excess observed by IceCube when the DM has a direct but small Yukawa coupling to the SM; and iii) we also propose a novel scenario, where the gravitational production of DM is a two-step process, first through the production of two scalars, which then decay to fermionicmore »« less

Authors:

^[1]; Cléry, Simon ^[2]; Co, Raymond T. ^[3]; Mambrini, Yann ^[2]; Olive, Keith A. ^[3]

Universidad Antonio Nariño, Bogota (Colombia); University of Warsaw (Poland)
Université Paris-Saclay, Orsay (France)
University of Minnesota, Minneapolis, MN (United States)

Publication Date:: Tue Dec 13 00:00:00 EST 2022

Research Org.:: Univ. of Minnesota, Minneapolis, MN (United States)

Sponsoring Org.:: USDOE Office of Science (SC), High Energy Physics (HEP)

OSTI Identifier:: 2234265

Grant/Contract Number:: SC0011842

Resource Type:: Accepted Manuscript

Journal Name:: Journal of High Energy Physics (Online)

Additional Journal Information:: Journal Name: Journal of High Energy Physics (Online); Journal Volume: 2022; Journal Issue: 12; Journal ID: ISSN 1029-8479

Publisher:: Springer Nature

Country of Publication:: United States

Language:: English

Subject:: 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Early Universe Particle Physics; Particle Nature of Dark Matter; Baryo-and Leptogenesis; Models for Dark Matter

Citation Formats


                    Barman, Basabendu, Cléry, Simon, Co, Raymond T., Mambrini, Yann, and Olive, Keith A. Gravity as a portal to reheating, leptogenesis and dark matter.  United States: N. p., 2022. 
Web.  doi:10.1007/jhep12(2022)072.

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                    Barman, Basabendu, Cléry, Simon, Co, Raymond T., Mambrini, Yann, & Olive, Keith A. Gravity as a portal to reheating, leptogenesis and dark matter.  United States.  https://doi.org/10.1007/jhep12(2022)072

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                    Barman, Basabendu, Cléry, Simon, Co, Raymond T., Mambrini, Yann, and Olive, Keith A. Tue .  
"Gravity as a portal to reheating, leptogenesis and dark matter".  United States.  https://doi.org/10.1007/jhep12(2022)072.  https://www.osti.gov/servlets/purl/2234265.

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@article{osti_2234265,

  title        = {Gravity as a portal to reheating, leptogenesis and dark matter},

  author       = {Barman, Basabendu and Cléry, Simon and Co, Raymond T. and Mambrini, Yann and Olive, Keith A.},

  abstractNote = {We show that a minimal scenario, utilizing only the graviton as an intermediate messenger between the inflaton, the dark sector and the Standard Model (SM), is able to generate simultaneously the observed relic density of dark matter (DM), the baryon asymmetry through leptogenesis, as well as a sufficiently hot thermal bath after inflation. We assume an inflaton potential of the form V(Φ) ∝ Φk about the minimum at the end of inflation. The possibility of reheating via minimal gravitational interactions has been excluded by constraints on dark radiation for excessive gravitational waves produced from inflation. We thus extend the minimal model in several ways: i) we consider non-minimal gravitational couplings — this points to the parameter range of DM masses MN1 ≃ 2–10 PeV, and right-handed neutrino masses MN2 ≃ (5–20) × 1011 GeV, and TRH ≲ 3 × 105 GeV (for k ≤ 20); ii) we propose an explanation for the PeV excess observed by IceCube when the DM has a direct but small Yukawa coupling to the SM; and iii) we also propose a novel scenario, where the gravitational production of DM is a two-step process, first through the production of two scalars, which then decay to fermionic DM final states. In this case, the absence of a helicity suppression enhances the production of DM and baryon asymmetry, and allows a great range for the parameters including a dark matter mass below an MeV where dark matter warmness can be observable by cosmic 21-cm lines, even when gravitational interactions are responsible for reheating. We also show that detectable primordial gravitational wave signals provide the opportunity to probe this scenario for TRH ≲ 5 × 106 GeV in future experiments, such as BBO, DECIGO, CE and ET.},

  doi          = {10.1007/jhep12(2022)072},

  journal      = {Journal of High Energy Physics (Online)},

  number       = 12,

  volume       = 2022,

  place        = {United States},

  year         = {Tue Dec 13 00:00:00 EST 2022},

  month        = {Tue Dec 13 00:00:00 EST 2022}

}

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Title: Gravity as a portal to reheating, leptogenesis and dark matter

Abstract

Citation Formats

Republication of: The redshift of extragalactic nebulae journal, November 2008

Some astrophysical consequences of the existence of a heavy stable neutral lepton journal, August 1978

Limits on masses and number of neutral weakly interacting particles journal, July 1977

Cosmological Lower Bound on Heavy-Neutrino Masses journal, July 1977

Supersymmetric relics from the big bang journal, June 1984

Scalar Phantoms journal, October 1985

Gauge singlet scalars as cold dark matter journal, September 1994

The Minimal Model of nonbaryonic dark matter: a singlet scalar journal, December 2001

The new Minimal Standard Model journal, March 2005

Update on scalar singlet dark matter journal, September 2013

Implications of LHC searches for Higgs-portal dark matter journal, March 2012

Vector Higgs portal dark matter and the invisible Higgs journal, February 2012

Direct detection of Higgs–portal dark matter at the LHC journal, June 2013

Reopening the Higgs portal for single scalar dark matter journal, May 2017

Z-portal dark matter journal, March 2015

Toward (finally!) ruling out Z and Higgs mediated dark matter models journal, December 2016

WIMP dark matter candidates and searches—current status and future prospects journal, May 2018

The waning of the WIMP? A review of models, searches, and constraints journal, March 2018

The kinetic dark-mixing in the light of CoGENT and XENON100 journal, September 2010

Dark matter complementarity and the Z ′ portal journal, October 2015

Z ′ portal to Chern-Simons Dark Matter journal, November 2017

After primordial inflation journal, July 1983

Is it easy to save the gravitino? journal, April 1984

Gravitinos as the cold dark matter in an universe journal, January 1985

Thermally Generated Gauge Singlet Scalars as Self-Interacting Dark Matter journal, February 2002

Freeze-in production of FIMP dark matter journal, March 2010

Gauge Coupling Unification and Nonequilibrium Thermal Dark Matter journal, June 2013

The dawn of FIMP Dark Matter: A review of models and constraints journal, September 2017

UltraViolet freeze-in journal, March 2015

Dark matter and gauge coupling unification in nonsupersymmetric SO(10) grand unified models journal, May 2015

Freezing-in dark matter through a heavy invisible Z ′ journal, August 2018

Moduli portal dark matter journal, May 2019

Minimal model of gravitino dark matter journal, May 2017

Case for an EeV Gravitino journal, July 2017

Inflation and high-scale supersymmetry with an EeV gravitino journal, December 2017

Gravitino decay in high scale supersymmetry with R -parity violation journal, July 2018

Inflation and leptogenesis in high-scale supersymmetry journal, January 2020

Spin-2 portal dark matter journal, June 2018

Radiative production of nonthermal dark matter journal, March 2019

Inflaton portal to a highly decoupled EeV dark matter particle journal, August 2019

Post-inflationary dark matter bremsstrahlung journal, October 2022

Production of massive particles during reheating journal, August 1999

Largest temperature of the radiation era and its cosmological implications journal, June 2001

Enhancement of the dark matter abundance before reheating: Applications to gravitino dark matter journal, November 2017

Reheating and post-inflationary production of dark matter journal, June 2020

Inflaton oscillations and post-inflationary reheating journal, April 2021

Ultraviolet freeze-in with a time-dependent inflaton decay journal, July 2022

Gravitational effects on inflaton decay journal, May 2015

Planckian Interacting Massive Particles as Dark Matter journal, March 2016

Theory and phenomenology of Planckian interacting massive particles as dark matter journal, February 2018

Pure gravitational dark matter, its mass and signatures journal, July 2016

On thermal gravitational contribution to particle production and dark matter journal, November 2017

Gravitational particle production in oscillating backgrounds and its cosmological implications journal, September 2016

Production of purely gravitational dark matter journal, September 2018

Production of purely gravitational dark matter: the case of fermion and vector boson journal, July 2019

Impact of Higgs portal on gravity-mediated production of superheavy dark matter journal, June 2020

Interplay between neutrino and gravity portals for FIMP dark matter journal, January 2021

Gravitational production of a conformal dark sector journal, May 2021

Gravitational production of dark matter during reheating journal, June 2021

Gravitational SIMPs journal, June 2021

Gravitational dark matter: Free streaming and phase space distribution journal, July 2022

Gravitational portals in the early Universe journal, April 2022

Gravitational portals with nonminimal couplings journal, May 2022

Higgs Boson-Induced Reheating and Dark Matter Production journal, February 2022

Barygenesis without grand unification journal, June 1986

On anomalous electroweak baryon-number non-conservation in the early universe journal, May 1985

Cosmic microwave background, matter–antimatter asymmetry and neutrino masses journal, November 2002

Limits on Treh for thermal leptogenesis with hierarchical neutrino masses journal, September 2003

Towards a complete theory of thermal leptogenesis in the SM and MSSM journal, May 2004

A lower bound on the right-handed neutrino mass from leptogenesis journal, May 2002

Production of massive fermions at preheating and leptogenesis journal, August 1999

Leptogenesis in inflaton decay journal, October 1999

Origin of matter in the inflationary cosmology journal, April 1991

Inflation, neutrino baryogenesis, and (s)neutrino-induced baryogenesis journal, June 1993

Effects of reheating on leptogenesis journal, January 2009

Inflationary gravitational leptogenesis journal, October 2022

Dark matter and leptogenesis from gravitational production journal, June 2021

Republication of: The redshift of extragalactic nebulae
journal, November 2008

Some astrophysical consequences of the existence of a heavy stable neutral lepton
journal, August 1978

Limits on masses and number of neutral weakly interacting particles
journal, July 1977

Cosmological Lower Bound on Heavy-Neutrino Masses
journal, July 1977

Supersymmetric relics from the big bang
journal, June 1984

Scalar Phantoms
journal, October 1985

Gauge singlet scalars as cold dark matter
journal, September 1994

The Minimal Model of nonbaryonic dark matter: a singlet scalar
journal, December 2001

The new Minimal Standard Model
journal, March 2005

Update on scalar singlet dark matter
journal, September 2013

Implications of LHC searches for Higgs-portal dark matter
journal, March 2012

Vector Higgs portal dark matter and the invisible Higgs
journal, February 2012

Direct detection of Higgs–portal dark matter at the LHC
journal, June 2013

Reopening the Higgs portal for single scalar dark matter
journal, May 2017

Z-portal dark matter
journal, March 2015

Toward (finally!) ruling out Z and Higgs mediated dark matter models
journal, December 2016

WIMP dark matter candidates and searches—current status and future prospects
journal, May 2018

The waning of the WIMP? A review of models, searches, and constraints
journal, March 2018

The kinetic dark-mixing in the light of CoGENT and XENON100
journal, September 2010

Dark matter complementarity and the $Z^{'}$ portal
journal, October 2015

Z ′ portal to Chern-Simons Dark Matter
journal, November 2017

After primordial inflation
journal, July 1983

Is it easy to save the gravitino?
journal, April 1984

Gravitinos as the cold dark matter in an universe
journal, January 1985

Thermally Generated Gauge Singlet Scalars as Self-Interacting Dark Matter
journal, February 2002

Freeze-in production of FIMP dark matter
journal, March 2010

Gauge Coupling Unification and Nonequilibrium Thermal Dark Matter
journal, June 2013

The dawn of FIMP Dark Matter: A review of models and constraints
journal, September 2017

UltraViolet freeze-in
journal, March 2015

Dark matter and gauge coupling unification in nonsupersymmetric SO(10) grand unified models
journal, May 2015

Freezing-in dark matter through a heavy invisible $Z^{'}$
journal, August 2018

Moduli portal dark matter
journal, May 2019

Minimal model of gravitino dark matter
journal, May 2017

Case for an EeV Gravitino
journal, July 2017

Inflation and high-scale supersymmetry with an EeV gravitino
journal, December 2017

Gravitino decay in high scale supersymmetry with $R$ -parity violation
journal, July 2018

Inflation and leptogenesis in high-scale supersymmetry
journal, January 2020

Spin-2 portal dark matter
journal, June 2018

Radiative production of nonthermal dark matter
journal, March 2019

Inflaton portal to a highly decoupled EeV dark matter particle
journal, August 2019

Post-inflationary dark matter bremsstrahlung
journal, October 2022

Production of massive particles during reheating
journal, August 1999

Largest temperature of the radiation era and its cosmological implications
journal, June 2001

Enhancement of the dark matter abundance before reheating: Applications to gravitino dark matter
journal, November 2017

Reheating and post-inflationary production of dark matter
journal, June 2020

Inflaton oscillations and post-inflationary reheating
journal, April 2021

Ultraviolet freeze-in with a time-dependent inflaton decay
journal, July 2022

Gravitational effects on inflaton decay
journal, May 2015

Planckian Interacting Massive Particles as Dark Matter
journal, March 2016

Theory and phenomenology of Planckian interacting massive particles as dark matter
journal, February 2018

Pure gravitational dark matter, its mass and signatures
journal, July 2016

On thermal gravitational contribution to particle production and dark matter
journal, November 2017

Gravitational particle production in oscillating backgrounds and its cosmological implications
journal, September 2016

Production of purely gravitational dark matter
journal, September 2018

Production of purely gravitational dark matter: the case of fermion and vector boson
journal, July 2019

Impact of Higgs portal on gravity-mediated production of superheavy dark matter
journal, June 2020

Interplay between neutrino and gravity portals for FIMP dark matter
journal, January 2021

Gravitational production of a conformal dark sector
journal, May 2021

Gravitational production of dark matter during reheating
journal, June 2021

Gravitational SIMPs
journal, June 2021

Gravitational dark matter: Free streaming and phase space distribution
journal, July 2022

Gravitational portals in the early Universe
journal, April 2022

Gravitational portals with nonminimal couplings
journal, May 2022

Higgs Boson-Induced Reheating and Dark Matter Production
journal, February 2022

Barygenesis without grand unification
journal, June 1986

On anomalous electroweak baryon-number non-conservation in the early universe
journal, May 1985

Cosmic microwave background, matter–antimatter asymmetry and neutrino masses
journal, November 2002

Limits on Treh for thermal leptogenesis with hierarchical neutrino masses
journal, September 2003

Towards a complete theory of thermal leptogenesis in the SM and MSSM
journal, May 2004

A lower bound on the right-handed neutrino mass from leptogenesis
journal, May 2002

Production of massive fermions at preheating and leptogenesis
journal, August 1999

Leptogenesis in inflaton decay
journal, October 1999

Origin of matter in the inflationary cosmology
journal, April 1991

Inflation, neutrino baryogenesis, and (s)neutrino-induced baryogenesis
journal, June 1993

Effects of reheating on leptogenesis
journal, January 2009

Inflationary gravitational leptogenesis
journal, October 2022

Dark matter and leptogenesis from gravitational production
journal, June 2021

Inconsistency of an inflationary sector coupled only to Einstein gravity
journal, October 2019

Universality class in conformal inflation
journal, July 2013

Factorization and polarization in linearized gravity
journal, March 1995