ν solution to the strong C P problem

Carena, Marcela; Liu, Da; Liu, Jia; Shah, Nausheen R.; Wagner, Carlos E. M.; Wang, Xiao-Ping

doi:10.1103/PhysRevD.100.094018

Title: $ν$ solution to the strong $C P$ problem

Abstract

We present a solution to the strong CP problem in which the imaginary component of the up quark mass, I[m_u], acquires a tiny, but nonvanishing value. This is achieved via a Dirac seesaw mechanism, which is also responsible for the generation of the small neutrino masses. Consistency with the observed value of the up quark mass is achieved via instanton contributions arising from QCD-like interactions, as is the case in the closely related massless up-quark solution to the strong CP problem. In our framework, however, the value of the neutron electric dipole moment is directly related to I[m_u], which, due to its common origin with the neutrino masses, implies that the neutron electric dipole moment is likely to be measured in the next round of experiments. We also present a supersymmetric extension of this Dirac seesaw model to stabilize the hierarchy among the scalar mass scales involved in this mechanism.

Authors:: Carena, Marcela; Liu, Da; Liu, Jia; Shah, Nausheen R.; Wagner, Carlos E. M.; Wang, Xiao-Ping

Publication Date:: 2019-11-15

Research Org.:: Argonne National Lab. (ANL), Argonne, IL (United States); Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States); Univ. of Chicago, IL (United States)

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

OSTI Identifier:: 1607562

Alternate Identifier(s):: OSTI ID: 1545102; OSTI ID: 1593865; OSTI ID: 1818149

Report Number(s):: arXiv:1904.05360; FERMILAB-PUB-19-144-T; EFI-19-4; WSU-HEP-1902
Journal ID: ISSN 2470-0010; PRVDAQ; 094018

Grant/Contract Number:: AC02-07CH11359; AC02-06CH11357; DESC0007983; FG02-13ER41958; SC0009924

Resource Type:: Published Article

Journal Name:: Physical Review D

Additional Journal Information:: Journal Name: Physical Review D Journal Volume: 100 Journal Issue: 9; Journal ID: ISSN 2470-0010

Publisher:: American Physical Society

Country of Publication:: United States

Language:: English

Subject:: 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats


                    Carena, Marcela, Liu, Da, Liu, Jia, Shah, Nausheen R., Wagner, Carlos E. M., and Wang, Xiao-Ping. ν solution to the strong C P problem.  United States: N. p., 2019. 
Web.  doi:10.1103/PhysRevD.100.094018.

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                    Carena, Marcela, Liu, Da, Liu, Jia, Shah, Nausheen R., Wagner, Carlos E. M., & Wang, Xiao-Ping. ν solution to the strong C P problem.  United States.  https://doi.org/10.1103/PhysRevD.100.094018

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                    Carena, Marcela, Liu, Da, Liu, Jia, Shah, Nausheen R., Wagner, Carlos E. M., and Wang, Xiao-Ping. Fri .  
"ν solution to the strong C P problem".  United States.  https://doi.org/10.1103/PhysRevD.100.094018.

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@article{osti_1607562,

  title        = {ν solution to the strong C P problem},

  author       = {Carena, Marcela and Liu, Da and Liu, Jia and Shah, Nausheen R. and Wagner, Carlos E. M. and Wang, Xiao-Ping},

  abstractNote = {We present a solution to the strong CP problem in which the imaginary component of the up quark mass, I[mu], acquires a tiny, but nonvanishing value. This is achieved via a Dirac seesaw mechanism, which is also responsible for the generation of the small neutrino masses. Consistency with the observed value of the up quark mass is achieved via instanton contributions arising from QCD-like interactions, as is the case in the closely related massless up-quark solution to the strong CP problem. In our framework, however, the value of the neutron electric dipole moment is directly related to I[mu], which, due to its common origin with the neutrino masses, implies that the neutron electric dipole moment is likely to be measured in the next round of experiments. We also present a supersymmetric extension of this Dirac seesaw model to stabilize the hierarchy among the scalar mass scales involved in this mechanism.},

  doi          = {10.1103/PhysRevD.100.094018},

  journal      = {Physical Review D},

  number       = 9,

  volume       = 100,

  place        = {United States},

  year         = {2019},

  month        = {11}

}

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Title: ν solution to the strong C P problem

Abstract

Citation Formats

Seesaw roadmap to neutrino mass and dark matter journal, June 2018

Current-Mass Ratios of the Light Quarks journal, May 1986

Indirect signs of the Peccei-Quinn mechanism journal, January 2019

Neutrino mass and baryon asymmetry from Dirac seesaw journal, December 2006

Instanton effects in three flavor QCD journal, September 2015

Flavour-symmetric type-II Dirac neutrino seesaw mechanism journal, April 2018

CP -nonconserving effects in quantum chromodynamics journal, April 1979

Theta vacua, QCD sum rules, and the neutron electric dipole moment journal, May 2000

How the Minuscule Can Contribute to the Big Picture: The Neutron Electric Dipole Moment Project at TRIUMF conference, February 2017

Mass Renormalization by Instantons and the Strong CP Problem journal, August 1988

Dirac neutrinos and dark matter stability from lepton quarticity journal, April 2017

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

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

Electric dipole moments in the MSSM reloaded journal, October 2008

Gauge-mediated supersymmetry breaking: Introduction, review and update journal, March 1998

Performance of the upgraded ultracold neutron source at Los Alamos National Laboratory and its implication for a possible neutron electric dipole moment experiment journal, January 2018

Review of Particle Physics journal, August 2018

Chiral estimate of the electric dipole moment of the neutron in quantum chromodynamics journal, December 1979

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

CP violation from the standard model to strings journal, May 2008

Present status and future prospects of n-EDM experiment of PNPI-ILL-PTI collaboration conference, May 2017

A new search for the atomic EDM of 129Xe at FRM-II journal, May 2016

A flavorful factoring of the strong CP problem journal, December 2018

Cryogenic magnetic coil and superconducting magnetic shield for neutron electric dipole moment searches journal, August 2017

Quark masses journal, July 1982

Strong C P problem, up-quark mass, and the Randall-Sundrum microscope journal, November 2007

Renormalization-group-improved effective potential for the MSSM Higgs sector with explicit CP violation journal, October 2000

CP Conservation in the Presence of Pseudoparticles journal, June 1977

A New Light Boson? journal, January 1978

Theta-Induced Electric Dipole Moment of the Neutron via QCD Sum Rules journal, September 1999

Up-, down-, strange-, charm-, and bottom-quark masses from four-flavor lattice QCD journal, September 2018

Title: $ν$ solution to the strong $C P$ problem

Seesaw roadmap to neutrino mass and dark matter
journal, June 2018

Current-Mass Ratios of the Light Quarks
journal, May 1986

Indirect signs of the Peccei-Quinn mechanism
journal, January 2019

Neutrino mass and baryon asymmetry from Dirac seesaw
journal, December 2006

Instanton effects in three flavor QCD
journal, September 2015

Flavour-symmetric type-II Dirac neutrino seesaw mechanism
journal, April 2018

$CP$ -nonconserving effects in quantum chromodynamics
journal, April 1979

Theta vacua, QCD sum rules, and the neutron electric dipole moment
journal, May 2000

How the Minuscule Can Contribute to the Big Picture: The Neutron Electric Dipole Moment Project at TRIUMF
conference, February 2017

Mass Renormalization by Instantons and the Strong $CP$ Problem
journal, August 1988

Dirac neutrinos and dark matter stability from lepton quarticity
journal, April 2017

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

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

Electric dipole moments in the MSSM reloaded
journal, October 2008

Gauge-mediated supersymmetry breaking: Introduction, review and update
journal, March 1998

Performance of the upgraded ultracold neutron source at Los Alamos National Laboratory and its implication for a possible neutron electric dipole moment experiment
journal, January 2018

Review of Particle Physics
journal, August 2018

Chiral estimate of the electric dipole moment of the neutron in quantum chromodynamics
journal, December 1979

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

$CP$ violation from the standard model to strings
journal, May 2008

Present status and future prospects of n-EDM experiment of PNPI-ILL-PTI collaboration
conference, May 2017

A new search for the atomic EDM of 129Xe at FRM-II
journal, May 2016

A flavorful factoring of the strong CP problem
journal, December 2018

Cryogenic magnetic coil and superconducting magnetic shield for neutron electric dipole moment searches
journal, August 2017

Quark masses
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Strong $C P$ problem, up-quark mass, and the Randall-Sundrum microscope
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Renormalization-group-improved effective potential for the MSSM Higgs sector with explicit CP violation
journal, October 2000

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

A New Light Boson?
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Theta-Induced Electric Dipole Moment of the Neutron via QCD Sum Rules
journal, September 1999

Up-, down-, strange-, charm-, and bottom-quark masses from four-flavor lattice QCD
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