Naturalizing supersymmetry with a two-field relaxion mechanism

Evans, Jason L.; Gherghetta, Tony; Nagata, Natsumi; Thomas, Zachary

doi:10.1007/JHEP09(2016)150

Title: Naturalizing supersymmetry with a two-field relaxion mechanism

Abstract

We present a supersymmetric version of a two-field relaxion model that naturalizes tuned versions of supersymmetry. This arises from a relaxion mechanism that does not depend on QCD dynamics and where the relaxion potential barrier height is controlled by a second axion-like field. During the cosmological evolution, the relaxion rolls with a nonzero value that breaks supersymmetry and scans the soft supersymmetric mass terms. Electroweak symmetry is broken after the soft masses become of order the supersymmetric Higgs mass term and causes the relaxion to stop rolling for superpartner masses up to ~10⁹ GeV. This can explain the tuning in supersymmetric models, including split-SUSY models, while preserving the QCD axion solution to the strong CP problem. Furthermore, besides predicting two very weakly-coupled axion-like particles, the supersymmetric spectrum may contain an extra Goldstino, which could be a viable dark matter candidate.

Authors:

Evans, Jason L. ^[1]; Gherghetta, Tony ^[2]; Nagata, Natsumi ^[2]; Thomas, Zachary ^[2]

KIAS, Seoul (Korea)
Univ. of Minnesota, Minneapolis, MN (United States)

Publication Date:: Mon Sep 26 00:00:00 EDT 2016

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

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

OSTI Identifier:: 1360126

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: 2016; Journal Issue: 9; Journal ID: ISSN 1029-8479

Publisher:: Springer Berlin

Country of Publication:: United States

Language:: English

Subject:: 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; phenomenological models; supersymmetry phenomenology

Citation Formats


                    Evans, Jason L., Gherghetta, Tony, Nagata, Natsumi, and Thomas, Zachary. Naturalizing supersymmetry with a two-field relaxion mechanism.  United States: N. p., 2016. 
Web.  doi:10.1007/JHEP09(2016)150.

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                    Evans, Jason L., Gherghetta, Tony, Nagata, Natsumi, & Thomas, Zachary. Naturalizing supersymmetry with a two-field relaxion mechanism.  United States.  https://doi.org/10.1007/JHEP09(2016)150

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                    Evans, Jason L., Gherghetta, Tony, Nagata, Natsumi, and Thomas, Zachary. Mon .  
"Naturalizing supersymmetry with a two-field relaxion mechanism".  United States.  https://doi.org/10.1007/JHEP09(2016)150.  https://www.osti.gov/servlets/purl/1360126.

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@article{osti_1360126,

  title        = {Naturalizing supersymmetry with a two-field relaxion mechanism},

  author       = {Evans, Jason L. and Gherghetta, Tony and Nagata, Natsumi and Thomas, Zachary},

  abstractNote = {We present a supersymmetric version of a two-field relaxion model that naturalizes tuned versions of supersymmetry. This arises from a relaxion mechanism that does not depend on QCD dynamics and where the relaxion potential barrier height is controlled by a second axion-like field. During the cosmological evolution, the relaxion rolls with a nonzero value that breaks supersymmetry and scans the soft supersymmetric mass terms. Electroweak symmetry is broken after the soft masses become of order the supersymmetric Higgs mass term and causes the relaxion to stop rolling for superpartner masses up to ~109 GeV. This can explain the tuning in supersymmetric models, including split-SUSY models, while preserving the QCD axion solution to the strong CP problem. Furthermore, besides predicting two very weakly-coupled axion-like particles, the supersymmetric spectrum may contain an extra Goldstino, which could be a viable dark matter candidate.},

  doi          = {10.1007/JHEP09(2016)150},

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

  number       = 9,

  volume       = 2016,

  place        = {United States},

  year         = {Mon Sep 26 00:00:00 EDT 2016},

  month        = {Mon Sep 26 00:00:00 EDT 2016}

}

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Title: Naturalizing supersymmetry with a two-field relaxion mechanism

Abstract

Citation Formats

A mechanism for reducing the value of the cosmological constant journal, January 1985

Cosmological Relaxation of the Electroweak Scale journal, November 2015

Quantum relaxation of the Higgs mass journal, August 2015

The half-composite two Higgs doublet model and the relaxion journal, December 2015

Is the relaxion an axion? journal, February 2016

Natural heavy supersymmetry journal, December 2015

Realizing the relaxion from multiple axions and its UV completion with high scale supersymmetry journal, January 2016

Relaxion monodromy and the Weak Gravity Conjecture journal, April 2016

Naturalness of the relaxion mechanism journal, August 2016

A New Light Boson? journal, January 1978

Problem of Strong P and T Invariance in the Presence of Instantons journal, January 1978

CP Conservation in the Presence of Pseudoparticles journal, June 1977

Supersymmetric unification without low energy supersymmetry and signatures for fine-tuning at the LHC journal, June 2005

Split supersymmetry journal, November 2004

Aspects of Split Supersymmetry journal, March 2005

PeV-scale supersymmetry journal, January 2005

Supersymmetry breaking through transparent extra dimensions journal, July 2000

Gaugino mediated supersymmetry breaking journal, January 2000

A Natural Framework for Chaotic Inflation journal, March 2009

Oscillations in the CMB from axion monodromy inflation journal, June 2010

An ignoble approach to large field inflation journal, March 2011

The powers of monodromy journal, September 2014

On axion monodromy inflation in warped throats journal, February 2015

The challenge of realizing F-term axion monodromy inflation in string theory journal, January 2015

Tuning and backreaction in F-term axion monodromy inflation journal, May 2015

Naturalness, Chiral Symmetry, and Spontaneous Chiral Symmetry Breaking book, January 1980

Axion mediation journal, July 2013

Out of this world supersymmetry breaking journal, September 1999

Gaugino mass without singlets journal, December 1998

Possible signals of wino LSP at the Large Hadron Collider journal, January 2007

Spread Supersymmetry journal, January 2012

The lightest Higgs boson mass in pure gravity mediation model journal, March 2012

Mini-Split journal, February 2013

Spread Supersymmetry with $ \widetilde{W} $ LSP: gluino and dark matter signals journal, January 2013

Universality in pure gravity mediation journal, July 2013

Non-universalities in pure gravity mediation journal, October 2013

Combined Measurement of the Higgs Boson Mass in p p Collisions at s = 7 and 8 TeV with the ATLAS and CMS Experiments journal, May 2015

Search for long-lived neutral particles decaying to quark-antiquark pairs in proton-proton collisions at s = 8 TeV journal, January 2015

Search for massive, long-lived particles using multitrack displaced vertices or displaced lepton pairs in p p collisions at s = 8 TeV with the ATLAS detector journal, October 2015

Search for metastable heavy charged particles with large ionisation energy loss in pp collisions at $$\varvec{\sqrt{s} = 8}$$ s = 8 TeV using the ATLAS experiment journal, September 2015

Minimal gaugino mediation journal, October 2000

Superpartner spectrum of gaugino mediation journal, October 2000

4D constructions of supersymmetric extra dimensions and gaugino mediation journal, December 2001

Deconstructing gaugino mediation journal, August 2001

Naturally vanishing cosmological constant in N=1 supergravity journal, December 1983

No-scale supersymmetric standard model journal, January 1984

Theories with gauge-mediated supersymmetry breaking journal, December 1999

Yukawa deflected gauge mediation journal, November 2002

Relatively heavy Higgs boson in more generic gauge mediation journal, November 2011

Electric dipole moment of the electron and of the neutron journal, July 1990

Electric dipole moment in the split supersymmetry models journal, April 2005

Signals for CP violation in split supersymmetry journal, May 2005

Electric dipole moments in split supersymmetry journal, March 2006

Higgs mass and unnatural supersymmetry journal, September 2014

Dynamical supersymmetry breaking in supersymmetric QCD journal, July 1984

Goldstini journal, March 2010

The spectrum of goldstini and modulini journal, August 2011

Pseudo-Goldstino in Field Theory journal, August 2011

D-term inflation journal, November 1996

Completing natural inflation journal, January 2005

Simple realization of inflaton potential on a Riemann surface journal, November 2014

Natural and multi-natural inflation in axion landscape journal, July 2014

Aligned natural inflation: Monodromies of two axions journal, October 2014

Monodromy inflation in SUSY QCD journal, July 2014

Notes on natural inflation journal, October 2014

Phase locked inflation. Effectively trans-Planckian natural inflation journal, November 2014

Natural Inflation and Quantum Gravity journal, April 2015

Trajectories with suppressed tensor-to-scalar ratio in Aligned Natural Inflation journal, June 2015

Dynamics of relaxed inflation journal, February 2018

Fast-rolling relaxion journal, November 2019

Long-lived particles at the energy frontier: the MATHUSLA physics case journal, October 2019

Relaxion window journal, August 2017

Runaway relaxion monodromy text, January 2018

Higgs relaxation after inflation text, January 2018

Light Higgs boson from a pole attractor text, January 2018

A warped relaxion text, January 2018

Relaxion Dark Matter text, January 2019

A mechanism for reducing the value of the cosmological constant
journal, January 1985

Cosmological Relaxation of the Electroweak Scale
journal, November 2015

Quantum relaxation of the Higgs mass
journal, August 2015

The half-composite two Higgs doublet model and the relaxion
journal, December 2015

Is the relaxion an axion?
journal, February 2016

Natural heavy supersymmetry
journal, December 2015

Realizing the relaxion from multiple axions and its UV completion with high scale supersymmetry
journal, January 2016

Relaxion monodromy and the Weak Gravity Conjecture
journal, April 2016

Naturalness of the relaxion mechanism
journal, August 2016

A New Light Boson?
journal, January 1978

Problem of Strong $P$ and $T$ Invariance in the Presence of Instantons
journal, January 1978

$CP$ Conservation in the Presence of Pseudoparticles
journal, June 1977

Supersymmetric unification without low energy supersymmetry and signatures for fine-tuning at the LHC
journal, June 2005

Split supersymmetry
journal, November 2004

Aspects of Split Supersymmetry
journal, March 2005

PeV-scale supersymmetry
journal, January 2005

Supersymmetry breaking through transparent extra dimensions
journal, July 2000

Gaugino mediated supersymmetry breaking
journal, January 2000

A Natural Framework for Chaotic Inflation
journal, March 2009

Oscillations in the CMB from axion monodromy inflation
journal, June 2010

An ignoble approach to large field inflation
journal, March 2011

The powers of monodromy
journal, September 2014

On axion monodromy inflation in warped throats
journal, February 2015

The challenge of realizing F-term axion monodromy inflation in string theory
journal, January 2015

Tuning and backreaction in F-term axion monodromy inflation
journal, May 2015

Naturalness, Chiral Symmetry, and Spontaneous Chiral Symmetry Breaking
book, January 1980

Axion mediation
journal, July 2013

Out of this world supersymmetry breaking
journal, September 1999

Gaugino mass without singlets
journal, December 1998

Possible signals of wino LSP at the Large Hadron Collider
journal, January 2007

Spread Supersymmetry
journal, January 2012

The lightest Higgs boson mass in pure gravity mediation model
journal, March 2012

Mini-Split
journal, February 2013

Spread Supersymmetry with $ \widetilde{W} $ LSP: gluino and dark matter signals
journal, January 2013

Universality in pure gravity mediation
journal, July 2013

Non-universalities in pure gravity mediation
journal, October 2013

Combined Measurement of the Higgs Boson Mass in $p p$ Collisions at $\sqrt{s} = 7$ and 8 TeV with the ATLAS and CMS Experiments
journal, May 2015

Search for long-lived neutral particles decaying to quark-antiquark pairs in proton-proton collisions at $\sqrt{s} = 8 TeV$
journal, January 2015

Search for massive, long-lived particles using multitrack displaced vertices or displaced lepton pairs in $p p$ collisions at $\sqrt{s} = 8 TeV$ with the ATLAS detector
journal, October 2015

Search for metastable heavy charged particles with large ionisation energy loss in pp collisions at $$\varvec{\sqrt{s} = 8}$$ s = 8 TeV using the ATLAS experiment
journal, September 2015

Minimal gaugino mediation
journal, October 2000

Superpartner spectrum of gaugino mediation
journal, October 2000

4D constructions of supersymmetric extra dimensions and gaugino mediation
journal, December 2001

Deconstructing gaugino mediation
journal, August 2001

Naturally vanishing cosmological constant in N=1 supergravity
journal, December 1983

No-scale supersymmetric standard model
journal, January 1984

Theories with gauge-mediated supersymmetry breaking
journal, December 1999

Yukawa deflected gauge mediation
journal, November 2002

Relatively heavy Higgs boson in more generic gauge mediation
journal, November 2011

Electric dipole moment of the electron and of the neutron
journal, July 1990

Electric dipole moment in the split supersymmetry models
journal, April 2005

Signals for CP violation in split supersymmetry
journal, May 2005

Electric dipole moments in split supersymmetry
journal, March 2006

Higgs mass and unnatural supersymmetry
journal, September 2014

Dynamical supersymmetry breaking in supersymmetric QCD
journal, July 1984

Goldstini
journal, March 2010

The spectrum of goldstini and modulini
journal, August 2011

Pseudo-Goldstino in Field Theory
journal, August 2011

D-term inflation
journal, November 1996

Completing natural inflation
journal, January 2005

Simple realization of inflaton potential on a Riemann surface
journal, November 2014

Natural and multi-natural inflation in axion landscape
journal, July 2014

Aligned natural inflation: Monodromies of two axions
journal, October 2014

Monodromy inflation in SUSY QCD
journal, July 2014

Notes on natural inflation
journal, October 2014

Phase locked inflation. Effectively trans-Planckian natural inflation
journal, November 2014

Natural Inflation and Quantum Gravity
journal, April 2015

Trajectories with suppressed tensor-to-scalar ratio in Aligned Natural Inflation
journal, June 2015

Dynamics of relaxed inflation
journal, February 2018

Fast-rolling relaxion
journal, November 2019

Long-lived particles at the energy frontier: the MATHUSLA physics case
journal, October 2019

Relaxion window
journal, August 2017

Runaway relaxion monodromy
text, January 2018

Higgs relaxation after inflation
text, January 2018

Light Higgs boson from a pole attractor
text, January 2018

A warped relaxion
text, January 2018

Relaxion Dark Matter
text, January 2019

A warped relaxion
journal, July 2018

Runaway relaxion monodromy
journal, February 2018

Relaxion dark matter
journal, September 2019