Testing Dark Decays of Baryons in Neutron Stars

Baym, Gordon; Beck, D. H.; Geltenbort, Peter; Shelton, Jessie

doi:10.1103/PhysRevLett.121.061801

Title: Testing Dark Decays of Baryons in Neutron Stars

Abstract

The observation of neutron stars with masses greater than one solar mass places severe demands on any exotic neutron decay mode that could explain the discrepancy between beam and bottle measurements of the neutron lifetime. If the neutron can decay to a stable, feebly interacting dark fermion, the maximum possible mass of a neutron star is 0.7M_⊙ , while all well-measured neutron star masses exceed one M_⊙. The existence of 2M_⊙ neutron stars further indicates that any explanation beyond the standard model for the neutron lifetime puzzle requires dark matter to be part of a multiparticle dark sector with highly constrained interactions. Beyond the neutron lifetime puzzle, our results indicate that neutron stars provide unique and useful probes of GeV-scale dark sectors coupled to the standard model via baryon-number-violating interactions

Authors:: Baym, Gordon; Beck, D. H.; Geltenbort, Peter; Shelton, Jessie

Publication Date:: 2018-08-06

Research Org.:: Univ. of Illinois at Urbana-Champaign, IL (United States)

Sponsoring Org.:: USDOE; National Science Foundation (NSF)

OSTI Identifier:: 1463059

Alternate Identifier(s):: OSTI ID: 1498967

Grant/Contract Number:: SC0017840; PHY-1506416; PHY- 1714042

Resource Type:: Published Article

Journal Name:: Physical Review Letters

Additional Journal Information:: Journal Name: Physical Review Letters Journal Volume: 121 Journal Issue: 6; Journal ID: ISSN 0031-9007

Publisher:: American Physical Society

Country of Publication:: United States

Language:: English

Subject:: 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats


                    Baym, Gordon, Beck, D. H., Geltenbort, Peter, and Shelton, Jessie. Testing Dark Decays of Baryons in Neutron Stars.  United States: N. p., 2018. 
Web.  doi:10.1103/PhysRevLett.121.061801.

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                    Baym, Gordon, Beck, D. H., Geltenbort, Peter, & Shelton, Jessie. Testing Dark Decays of Baryons in Neutron Stars.  United States.  https://doi.org/10.1103/PhysRevLett.121.061801

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                    Baym, Gordon, Beck, D. H., Geltenbort, Peter, and Shelton, Jessie. Mon .  
"Testing Dark Decays of Baryons in Neutron Stars".  United States.  https://doi.org/10.1103/PhysRevLett.121.061801.

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@article{osti_1463059,

  title        = {Testing Dark Decays of Baryons in Neutron Stars},

  author       = {Baym, Gordon and Beck, D. H. and Geltenbort, Peter and Shelton, Jessie},

  abstractNote = {The observation of neutron stars with masses greater than one solar mass places severe demands on any exotic neutron decay mode that could explain the discrepancy between beam and bottle measurements of the neutron lifetime. If the neutron can decay to a stable, feebly interacting dark fermion, the maximum possible mass of a neutron star is 0.7M⊙ , while all well-measured neutron star masses exceed one M⊙. The existence of 2M⊙ neutron stars further indicates that any explanation beyond the standard model for the neutron lifetime puzzle requires dark matter to be part of a multiparticle dark sector with highly constrained interactions. Beyond the neutron lifetime puzzle, our results indicate that neutron stars provide unique and useful probes of GeV-scale dark sectors coupled to the standard model via baryon-number-violating interactions},

  doi          = {10.1103/PhysRevLett.121.061801},

  journal      = {Physical Review Letters},

  number       = 6,

  volume       = 121,

  place        = {United States},

  year         = {2018},

  month        = {8}

}

Copy to clipboard

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Cited by: 34 works

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FIG. 1. : Baryon (or neutron) chemical potential (including rest mass) in MeV vs the baryon density in units of nuclear matter density, $n$₀ = 0.16 fm⁻³, for the quark-hadron crossover equation of state, QHC18(0.8,1.5) [20], for the stiffer APR equation of state [21], and for noninteracting (free) neutrons. Thismore »

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Neutron disappearance inside the nucleus
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Title: Testing Dark Decays of Baryons in Neutron Stars

Abstract

Citation Formats

Figures / Tables:

Quasielastic scattering in the interaction of ultracold neutrons with a liquid wall and application in a reanalysis of the Mambo I neutron-lifetime experiment journal, June 2012

Static Solutions of Einstein's Field Equations for Spheres of Fluid journal, February 1939

Can neutron stars constrain dark matter? journal, September 2010

Constraints on bosonic dark matter from observation of old neutron stars journal, March 2013

Neutron stars as dark matter probes journal, June 2010

Colloquium : The neutron lifetime journal, November 2011

On the capture of dark matter by neutron stars journal, May 2014

Search for the Neutron Decay n → X + γ , Where X is a Dark Matter Particle journal, July 2018

From hadrons to quarks in neutron stars: a review journal, March 2018

Review of Particle Physics journal, October 2016

Neutron lifetime measurements with a large gravitational trap for ultracold neutrons journal, May 2018

Constraints on scalar asymmetric dark matter from black hole formation in neutron stars journal, January 2012

The Neutron Enigma journal, March 2016

A Massive Pulsar in a Compact Relativistic Binary journal, April 2013

Masses, Radii, and the Equation of State of Neutron Stars journal, September 2016

Measurement of the neutron lifetime using a gravitational trap and a low-temperature Fomblin coating journal, January 2005

Neutron stars at the dark matter direct detection frontier journal, February 2018

Dark Matter Interpretation of the Neutron Decay Anomaly journal, May 2018

Improved Determination of the Neutron Lifetime journal, November 2013

A measurement of the neutron lifetime using the method of storage of ultracold neutrons and detection of inelastically up-scattered neutrons journal, May 2015

Dark matter thermalization in neutron stars journal, December 2013

Realistic neutron star constraints on bosonic asymmetric dark matter journal, June 2013

Weakly interacting massive particles and neutron stars journal, November 1989

Measurement of the neutron lifetime using a magneto-gravitational trap and in situ detection journal, May 2018

Equation of state of nucleon matter and neutron star structure journal, September 1998

Constraints on the Self‐Interaction Cross Section of Dark Matter from Numerical Simulations of the Merging Galaxy Cluster 1E 0657−56 journal, June 2008

Search for dark matter decay of the free neutron from the UCNA experiment: n → χ + e + e − journal, May 2018

Implications of neutron star properties for the existence of light dark matter journal, April 2018

A revised value for the neutron lifetime measured using a Penning trap journal, January 1996

Bounds on self-interacting fermion dark matter from observations of old neutron stars journal, January 2014

Dark Kinetic Heating of Neutron Stars and an Infrared Window on WIMPs, SIMPs, and Pure Higgsinos journal, September 2017

Neutron lifetime measurement with the UCN trap-in-trap MAMBO II journal, October 2010

A two-solar-mass neutron star measured using Shapiro delay journal, October 2010

Neutron Lifetime and Axial Coupling Connection journal, May 2018

On Massive Neutron Cores journal, February 1939

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WIMP annihilation and cooling of neutron stars journal, January 2008

Neutron disappearance inside the nucleus journal, January 2019

n − n ¯ oscillations and the neutron lifetime journal, January 2019

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Constraints on the Dark Matter Interpretation n → χ + e + e − of the Neutron Decay Anomaly with the PERKEO II Experiment journal, June 2019

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Quasielastic scattering in the interaction of ultracold neutrons with a liquid wall and application in a reanalysis of the Mambo I neutron-lifetime experiment
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Static Solutions of Einstein's Field Equations for Spheres of Fluid
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Can neutron stars constrain dark matter?
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Constraints on bosonic dark matter from observation of old neutron stars
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Neutron stars as dark matter probes
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Colloquium : The neutron lifetime
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On the capture of dark matter by neutron stars
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Search for the Neutron Decay $n \to X + γ$ , Where $X$ is a Dark Matter Particle
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From hadrons to quarks in neutron stars: a review
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Review of Particle Physics
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Neutron lifetime measurements with a large gravitational trap for ultracold neutrons
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Constraints on scalar asymmetric dark matter from black hole formation in neutron stars
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The Neutron Enigma
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A Massive Pulsar in a Compact Relativistic Binary
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Masses, Radii, and the Equation of State of Neutron Stars
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Measurement of the neutron lifetime using a gravitational trap and a low-temperature Fomblin coating
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Neutron stars at the dark matter direct detection frontier
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Dark Matter Interpretation of the Neutron Decay Anomaly
journal, May 2018

Improved Determination of the Neutron Lifetime
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A measurement of the neutron lifetime using the method of storage of ultracold neutrons and detection of inelastically up-scattered neutrons
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Dark matter thermalization in neutron stars
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Realistic neutron star constraints on bosonic asymmetric dark matter
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Measurement of the neutron lifetime using a magneto-gravitational trap and in situ detection
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Equation of state of nucleon matter and neutron star structure
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Constraints on the Self‐Interaction Cross Section of Dark Matter from Numerical Simulations of the Merging Galaxy Cluster 1E 0657−56
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Search for dark matter decay of the free neutron from the UCNA experiment: $n \to χ + e^{+} e^{-}$
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Implications of neutron star properties for the existence of light dark matter
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