Opening up the QCD axion window

Agrawal, Prateek; Marques-Tavares, Gustavo; Xue, Wei

doi:10.1007/jhep03(2018)049

Title: Opening up the QCD axion window

Abstract

We present a new mechanism to deplete the energy density of the QCD axion, making decay constants as high as f_a ≃ 10¹⁷ GeV viable for generic initial conditions. In our setup, the axion couples to a massless dark photon with a coupling that is moderately stronger than the axion coupling to gluons. Dark photons are produced copiously through a tachyonic instability when the axion field starts oscillating, and an exponential suppression of the axion density can be achieved. For a large part of the parameter space this dark radiation component of the universe can be observable in upcoming CMB experiments. Such dynamical depletion of the axion density ameliorates the isocurvature bound on the scale of inflation. The depletion also amplifies the power spectrum at scales that enter the horizon before particle production begins, potentially leading to axion miniclusters.

Authors:

Agrawal, Prateek ^[1]; Marques-Tavares, Gustavo ^[2]; Xue, Wei ^[3]

Harvard Univ., Cambridge, MA (United States). Dept. of Physics
Stanford Univ., CA (United States). Stanford Institute for Theoretical Physics
Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States). Center for Theoretical Physics

Publication Date:: Thu Mar 08 00:00:00 EST 2018

Research Org.:: Stanford Univ., CA (United States); Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)

Sponsoring Org.:: USDOE Office of Science (SC)

OSTI Identifier:: 1499139

Grant/Contract Number:: SC0012012; SC0012567; SC0015476

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: 2018; Journal Issue: 3; Journal ID: ISSN 1029-8479

Publisher:: Springer Berlin

Country of Publication:: United States

Language:: English

Subject:: 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats


                    Agrawal, Prateek, Marques-Tavares, Gustavo, and Xue, Wei. Opening up the QCD axion window.  United States: N. p., 2018. 
Web.  doi:10.1007/jhep03(2018)049.

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                    Agrawal, Prateek, Marques-Tavares, Gustavo, & Xue, Wei. Opening up the QCD axion window.  United States.  https://doi.org/10.1007/jhep03(2018)049

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                    Agrawal, Prateek, Marques-Tavares, Gustavo, and Xue, Wei. Thu .  
"Opening up the QCD axion window".  United States.  https://doi.org/10.1007/jhep03(2018)049.  https://www.osti.gov/servlets/purl/1499139.

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@article{osti_1499139,

  title        = {Opening up the QCD axion window},

  author       = {Agrawal, Prateek and Marques-Tavares, Gustavo and Xue, Wei},

  abstractNote = {We present a new mechanism to deplete the energy density of the QCD axion, making decay constants as high as fa ≃ 1017 GeV viable for generic initial conditions. In our setup, the axion couples to a massless dark photon with a coupling that is moderately stronger than the axion coupling to gluons. Dark photons are produced copiously through a tachyonic instability when the axion field starts oscillating, and an exponential suppression of the axion density can be achieved. For a large part of the parameter space this dark radiation component of the universe can be observable in upcoming CMB experiments. Such dynamical depletion of the axion density ameliorates the isocurvature bound on the scale of inflation. The depletion also amplifies the power spectrum at scales that enter the horizon before particle production begins, potentially leading to axion miniclusters.},

  doi          = {10.1007/jhep03(2018)049},

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

  number       = 3,

  volume       = 2018,

  place        = {United States},

  year         = {Thu Mar 08 00:00:00 EST 2018},

  month        = {Thu Mar 08 00:00:00 EST 2018}

}

Copy to clipboard

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Figure 1: Current bounds and future experimental reach for axion couplings to photons de ned in eq. (2.1). Blue shaded regions show the current constraints which are independent of a dark matter interpretation, while the red shaded region are constraints from axion haloscopes. Sensitivity of future experiments is shown bymore »

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On the Possibility of Large Axion Decay Constants
text, January 2003

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The QCD Axion and Moduli Stabilisation
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The Cosmology of String Theoretic Axions
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arXiv
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Dvali, G.
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Axion cold dark matter revisited
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CDM models with a BSI steplike primordial spectrum and a cosmological constant
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Super-Planckian axions from near-conformality
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Fonseca De Sa, Nayara; Von Harling, Benedict; De Lima, Leonardo
Deutsches Elektronen-Synchrotron, DESY, Hamburg
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Implications of the dark axion portal for SHiP and FASER and the advantages of monophoton signals
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deNiverville, Patrick; Lee, Hye-Sung
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Clockworking FIMPs
journal, October 2018

Goudelis, Andreas; Mohan, Kirtimaan A.; Sengupta, Dipan
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Super-Planckian axions from near-conformality
journal, November 2019

Fonseca, Nayara; von Harling, Benedict; de Lima, Leonardo
Physical Review D, Vol. 100, Issue 10
DOI: 10.1103/physrevd.100.105019

Extension of the electrodynamics in the presence of the axion and dark photon
journal, February 2019

Huang, Fa Peng; Lee, Hye-Sung
International Journal of Modern Physics A, Vol. 34, Issue 03n04
DOI: 10.1142/s0217751x1950012x

Z ′ mediated WIMPs: dead, dying, or soon to be detected?
journal, November 2019

Blanco, Carlos; Escudero, Miguel; Hooper, Dan
Journal of Cosmology and Astroparticle Physics, Vol. 2019, Issue 11
DOI: 10.1088/1475-7516/2019/11/024

Dynamical axion misalignment with small instantons
journal, December 2019

Buen-Abad, Manuel A.; Fan, JiJi
Journal of High Energy Physics, Vol. 2019, Issue 12
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Audible axions
journal, January 2019

Machado, Camila S.; Ratzinger, Wolfram; Schwaller, Pedro
Journal of High Energy Physics, Vol. 2019, Issue 1
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Extension of the electrodynamics in the presence of the axion and dark photon
text, January 2018

Huang, Fa Peng; Lee, Hye-Sung
arXiv
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Axion Cosmology with Early Matter Domination
text, January 2018

Nelson, Ann E.; Xiao, Huangyu
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Banerjee, Abhishek; Kim, Hyungjin; Perez, Gilad
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Parametric Resonance Production of Ultralight Vector Dark Matter
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Dror, Jeff A.; Harigaya, Keisuke; Narayan, Vijay
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Co, Raymond T.; Gonzalez, Eric; Harigaya, Keisuke
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Ouellet, Jonathan L.; Salemi, Chiara P.; Foster, Joshua W.
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$Z'$ Mediated WIMPs: Dead, Dying, or Soon to be Detected?
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Blanco, Carlos; Escudero, Miguel; Hooper, Dan
arXiv
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Dynamical axion misalignment with small instantons
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Buen-Abad, Manuel A.; Fan, JiJi
arXiv
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Title: Opening up the QCD axion window

Abstract

Citation Formats

Figures / Tables:

Large field excursions and approximate discrete symmetries from a clockwork axion journal, April 2016

Any light particle search II — Technical Design Report text, January 2013

Cosmology of the invisible axion journal, January 1983

The QCD axion, precisely journal, January 2016

Revisiting the SN1987A gamma-ray limit on ultralight axion-like particles journal, February 2015

Phenomenology of a pseudo-scalar inflaton: naturally large nongaussianity journal, April 2011

WISPy cold dark matter journal, June 2012

Can confinement ensure natural CP invariance of strong interactions? journal, April 1980

Thermal axion production in the primordial quark-gluon plasma journal, April 2011

Resonantly Detecting Axion-Mediated Forces with Nuclear Magnetic Resonance journal, October 2014

Rolling axions during inflation: perturbativity and signatures journal, September 2016

Dimensionless constants, cosmology, and other dark matters journal, January 2006

String axiverse journal, June 2010

Natural Inflation and Quantum Gravity journal, April 2015

Gauge field production in axion inflation: Consequences for monodromy, non-Gaussianity in the CMB, and gravitational waves at interferometers journal, January 2012

Broadband and Resonant Approaches to Axion Dark Matter Detection journal, September 2016

Large-amplitude isothermal fluctuations and high-density dark-matter clumps journal, July 1994

Constraints on Axion-like Particles from X-Ray Observations of NGC1275 text, January 2017

Calculation of the axion mass based on high-temperature lattice quantum chromodynamics text, January 2016

Discovering the QCD axion with black holes and gravitational waves journal, April 2015

Axions in string theory journal, June 2006

Constraints on axion-like particles from non-observation of spectral modulations for X-ray point sources journal, July 2017

A clockwork theory journal, February 2017

Calculation of the axion mass based on high-temperature lattice quantum chromodynamics journal, November 2016

Effective Planck mass and the scale of inflation journal, January 2016

Improved Experimental Limit on the Electric Dipole Moment of the Neutron journal, September 2006

Any light particle search II — Technical Design Report journal, September 2013

Naturally inflating on steep potentials through electromagnetic dissipation journal, February 2010

Black holes and large N species solution to the hierarchy problem journal, April 2010

First Results from a Microwave Cavity Axion Search at 24 μ eV journal, February 2017

A cosmological bound on the invisible axion journal, January 1983

Axion cosmology, lattice QCD and the dilute instanton gas text, January 2015

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

Axion miniclusters journal, April 1988

Cosmological 'seed' magnetic field from inflation journal, May 1992

Axion thermalization in the early universe journal, July 2002

A New Light Boson? journal, January 1978

Dissipative axial inflation journal, December 2016

On the possibility of large axion decay constants journal, June 2003

Dilution of cosmological axions by entropy production journal, December 1990

The not-so-harmless axion journal, January 1983

Inflation and axion cosmology journal, February 1988

Topological susceptibility at high temperature on the lattice journal, September 2016

Supersymmetric axion grand unified theories and their predictions journal, October 2016

Black hole mergers and the QCD axion at Advanced LIGO journal, February 2017

Parity Conservation in Quantum Chromodynamics journal, August 1984

Supersymmetry, axions, and cosmology journal, October 2003

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

Magnetogenesis from axion inflation journal, October 2016

Reduced Limit on the Permanent Electric Dipole Moment of Hg 199 journal, April 2016

Axion cosmology and the energy scale of inflation journal, October 2008

Proposal for a Cosmic Axion Spin Precession Experiment (CASPEr) journal, May 2014

Extranatural Inflation journal, June 2003

Revised experimental upper limit on the electric dipole moment of the neutron journal, November 2015

Revisiting the Bound on Axion-Photon Coupling from Globular Clusters journal, November 2014

Constraints on Axion-like Particles from X-Ray Observations of NGC1275 journal, September 2017

Large Non-Gaussianity in Axion Inflation journal, May 2011

Can decaying particles raise the upperbound on the Peccei-Quinn scale? journal, September 1996

Gauge-preheating and the end of axion inflation journal, December 2015

Suppressing the QCD axion abundance by hidden monopoles journal, February 2016

CP Conservation in the Presence of Pseudoparticles journal, June 1977

A new bound on axion-like particles journal, December 2017

Weak-Interaction Singlet and Strong CP Invariance journal, July 1979

A new bound on axion-like particles text, January 2017

Saving the invisible axion journal, September 1983

Axion cosmology, lattice QCD and the dilute instanton gas journal, January 2016

Thermal axion production journal, January 2014

Future directions in the microwave cavity search for dark matter axions journal, July 2014

Axions, instantons, and the lattice journal, November 2017

Towards the theory of reheating after inflation journal, September 1997

The QCD axion and moduli stabilisation journal, May 2006

Gauge fields and inflation: Chiral gravitational waves, fluctuations, and the Lyth bound journal, July 2013

Relaxation from particle production journal, December 2016

Lattice QCD input for axion cosmology journal, August 2015

Constraints on axion-like particles from non-observation of spectral modulations for X-ray point sources text, January 2017

Review of Particle Physics journal, October 2016

Large field excursions and approximate discrete symmetries from a clockwork axion
journal, April 2016

Any light particle search II — Technical Design Report
text, January 2013

Cosmology of the invisible axion
journal, January 1983

The QCD axion, precisely
journal, January 2016

Revisiting the SN1987A gamma-ray limit on ultralight axion-like particles
journal, February 2015

Phenomenology of a pseudo-scalar inflaton: naturally large nongaussianity
journal, April 2011

WISPy cold dark matter
journal, June 2012

Can confinement ensure natural CP invariance of strong interactions?
journal, April 1980

Thermal axion production in the primordial quark-gluon plasma
journal, April 2011

Resonantly Detecting Axion-Mediated Forces with Nuclear Magnetic Resonance
journal, October 2014

Rolling axions during inflation: perturbativity and signatures
journal, September 2016

Dimensionless constants, cosmology, and other dark matters
journal, January 2006

String axiverse
journal, June 2010

Natural Inflation and Quantum Gravity
journal, April 2015

Gauge field production in axion inflation: Consequences for monodromy, non-Gaussianity in the CMB, and gravitational waves at interferometers
journal, January 2012

Broadband and Resonant Approaches to Axion Dark Matter Detection
journal, September 2016

Large-amplitude isothermal fluctuations and high-density dark-matter clumps
journal, July 1994

Constraints on Axion-like Particles from X-Ray Observations of NGC1275
text, January 2017

Calculation of the axion mass based on high-temperature lattice quantum chromodynamics
text, January 2016

Discovering the QCD axion with black holes and gravitational waves
journal, April 2015

Axions in string theory
journal, June 2006

Constraints on axion-like particles from non-observation of spectral modulations for X-ray point sources
journal, July 2017

A clockwork theory
journal, February 2017

Calculation of the axion mass based on high-temperature lattice quantum chromodynamics
journal, November 2016

Effective Planck mass and the scale of inflation
journal, January 2016

Improved Experimental Limit on the Electric Dipole Moment of the Neutron
journal, September 2006

Any light particle search II — Technical Design Report
journal, September 2013

Naturally inflating on steep potentials through electromagnetic dissipation
journal, February 2010

Black holes and large N species solution to the hierarchy problem
journal, April 2010

First Results from a Microwave Cavity Axion Search at $24 μ eV$
journal, February 2017

A cosmological bound on the invisible axion
journal, January 1983

Axion cosmology, lattice QCD and the dilute instanton gas
text, January 2015

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

Axion miniclusters
journal, April 1988

Cosmological 'seed' magnetic field from inflation
journal, May 1992

Axion thermalization in the early universe
journal, July 2002

A New Light Boson?
journal, January 1978

Dissipative axial inflation
journal, December 2016

On the possibility of large axion decay constants
journal, June 2003

Dilution of cosmological axions by entropy production
journal, December 1990

The not-so-harmless axion
journal, January 1983

Inflation and axion cosmology
journal, February 1988

Topological susceptibility at high temperature on the lattice
journal, September 2016

Supersymmetric axion grand unified theories and their predictions
journal, October 2016

Black hole mergers and the QCD axion at Advanced LIGO
journal, February 2017

Parity Conservation in Quantum Chromodynamics
journal, August 1984

Supersymmetry, axions, and cosmology
journal, October 2003

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

Magnetogenesis from axion inflation
journal, October 2016

Reduced Limit on the Permanent Electric Dipole Moment of ${}^{199}{Hg}$
journal, April 2016

Axion cosmology and the energy scale of inflation
journal, October 2008

Proposal for a Cosmic Axion Spin Precession Experiment (CASPEr)
journal, May 2014

Extranatural Inflation
journal, June 2003

Revised experimental upper limit on the electric dipole moment of the neutron
journal, November 2015

Revisiting the Bound on Axion-Photon Coupling from Globular Clusters
journal, November 2014

Constraints on Axion-like Particles from X-Ray Observations of NGC1275
journal, September 2017

Large Non-Gaussianity in Axion Inflation
journal, May 2011

Can decaying particles raise the upperbound on the Peccei-Quinn scale?
journal, September 1996

Gauge-preheating and the end of axion inflation
journal, December 2015

Suppressing the QCD axion abundance by hidden monopoles
journal, February 2016

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

A new bound on axion-like particles
journal, December 2017

Weak-Interaction Singlet and Strong $CP$ Invariance
journal, July 1979

A new bound on axion-like particles
text, January 2017

Saving the invisible axion
journal, September 1983

Axion cosmology, lattice QCD and the dilute instanton gas
journal, January 2016

Thermal axion production
journal, January 2014

Future directions in the microwave cavity search for dark matter axions
journal, July 2014

Axions, instantons, and the lattice
journal, November 2017

Towards the theory of reheating after inflation
journal, September 1997

The QCD axion and moduli stabilisation
journal, May 2006

Gauge fields and inflation: Chiral gravitational waves, fluctuations, and the Lyth bound
journal, July 2013

Relaxation from particle production
journal, December 2016

Lattice QCD input for axion cosmology
journal, August 2015

Constraints on axion-like particles from non-observation of spectral modulations for X-ray point sources
text, January 2017

Review of Particle Physics
journal, October 2016

SQUID-Based Microwave Cavity Search for Dark-Matter Axions
journal, January 2010

N-flationary magnetic fields
journal, October 2006

Completing natural inflation
journal, January 2005

Axion Cosmology and the Energy Scale of Inflation
text, January 2008