Classically conformal U(1)' extended standard model and Higgs vacuum stability

Oda, Satsuki; Okada, Nobuchika; Takahashi, Dai-suke

doi:10.1103/PhysRevD.92.015026

Title: Classically conformal $U (1)^{'}$ extended standard model and Higgs vacuum stability

Abstract

Here, we consider the minimal U(1)' extension of the Standard Model (SM) with conformal invariance at the classical level, where in addition to the SM particle contents, three generations of right-handed neutrinos and a U(1)' Higgs field are introduced. In the presence of the three right-handed neutrinos, which are responsible for the seesaw mechanism, this model is free from all the gauge and gravitational anomalies. The U(1)' gauge symmetry is radiatively broken via the Coleman-Weinberg mechanism, by which the U(1)' gauge boson (Z' boson) mass as well as the Majorana mass for the right-handed neutrinos are generated. The radiative U(1)' symmetry breaking also induces a negative mass squared for the SM Higgs doublet to trigger the electroweak symmetry breaking. In this context, we investigate a possibility to solve the SM Higgs vacuum instability problem. The model includes only three free parameters (U(1)' charge of the SM Higgs doublet, U(1)' gauge coupling and Z' boson mass), for which we perform parameter scan, and identify a parameter region resolving the SM Higgs vacuum instability. We also examine naturalness of the model. The heavy states associated with the U(1)' symmetry breaking contribute to the SM Higgs self-energy. Furthermore, we find an upper boundmore »« less

Authors:

Oda, Satsuki ^[1]; Okada, Nobuchika ^[2]; Takahashi, Dai-suke ^[1]

Okinawa Inst. of Science and Technology Graduate School (OIST) (Japan); Meio Univ., Okinawa (Japan). Research Inst.
Univ. of Alabama, Tuscaloosa, AL (United States). Dept. of Physics and Astronomy

Publication Date:: Mon Jul 27 00:00:00 EDT 2015

Research Org.:: Univ. of Alabama, Tuscaloosa, AL (United States)

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

OSTI Identifier:: 1365617

Alternate Identifier(s):: OSTI ID: 1202640

Grant/Contract Number:: SC0013680

Resource Type:: Accepted Manuscript

Journal Name:: Physical Review. D, Particles, Fields, Gravitation and Cosmology

Additional Journal Information:: Journal Volume: 92; Journal Issue: 1; Journal ID: ISSN 1550-7998

Publisher:: American Physical Society (APS)

Country of Publication:: United States

Language:: English

Subject:: 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats


                    Oda, Satsuki, Okada, Nobuchika, and Takahashi, Dai-suke. Classically conformal U(1)' extended standard model and Higgs vacuum stability.  United States: N. p., 2015. 
Web.  doi:10.1103/PhysRevD.92.015026.

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                    Oda, Satsuki, Okada, Nobuchika, & Takahashi, Dai-suke. Classically conformal U(1)' extended standard model and Higgs vacuum stability.  United States.  https://doi.org/10.1103/PhysRevD.92.015026

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                    Oda, Satsuki, Okada, Nobuchika, and Takahashi, Dai-suke. Mon .  
"Classically conformal U(1)' extended standard model and Higgs vacuum stability".  United States.  https://doi.org/10.1103/PhysRevD.92.015026.  https://www.osti.gov/servlets/purl/1365617.

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@article{osti_1365617,

  title        = {Classically conformal U(1)' extended standard model and Higgs vacuum stability},

  author       = {Oda, Satsuki and Okada, Nobuchika and Takahashi, Dai-suke},

  abstractNote = {Here, we consider the minimal U(1)' extension of the Standard Model (SM) with conformal invariance at the classical level, where in addition to the SM particle contents, three generations of right-handed neutrinos and a U(1)' Higgs field are introduced. In the presence of the three right-handed neutrinos, which are responsible for the seesaw mechanism, this model is free from all the gauge and gravitational anomalies. The U(1)' gauge symmetry is radiatively broken via the Coleman-Weinberg mechanism, by which the U(1)' gauge boson (Z' boson) mass as well as the Majorana mass for the right-handed neutrinos are generated. The radiative U(1)' symmetry breaking also induces a negative mass squared for the SM Higgs doublet to trigger the electroweak symmetry breaking. In this context, we investigate a possibility to solve the SM Higgs vacuum instability problem. The model includes only three free parameters (U(1)' charge of the SM Higgs doublet, U(1)' gauge coupling and Z' boson mass), for which we perform parameter scan, and identify a parameter region resolving the SM Higgs vacuum instability. We also examine naturalness of the model. The heavy states associated with the U(1)' symmetry breaking contribute to the SM Higgs self-energy. Furthermore, we find an upper bound on Z' boson mass, mZ'≲6 TeV, in order to avoid a fine-tuning severer than 10 % level. The Z' boson in this mass range can be discovered at the LHC Run-2 in the near future.},

  doi          = {10.1103/PhysRevD.92.015026},

  journal      = {Physical Review. D, Particles, Fields, Gravitation and Cosmology},

  number       = 1,

  volume       = 92,

  place        = {United States},

  year         = {Mon Jul 27 00:00:00 EDT 2015},

  month        = {Mon Jul 27 00:00:00 EDT 2015}

}

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Title: Classically conformal U ( 1 ) ' extended standard model and Higgs vacuum stability

Abstract

Citation Formats

Radiative Corrections as the Origin of Spontaneous Symmetry Breaking journal, March 1973

Heavy Fermions in the Standard Sequential Scheme journal, April 1979

The next-to-minimal Coleman-Weinberg model journal, June 1996

Novel effects in electroweak breaking from a hidden sector journal, October 2007

Shadow Higgs boson from a scale-invariant hidden U ( 1 ) s model journal, June 2007

Electroweak Higgs as a pseudo-Goldstone boson of broken scale invariance journal, November 2007

Neutrino mass in radiatively broken scale-invariant models journal, October 2007

Solution to the hierarchy problem from an almost decoupled hidden sector within a classically scale invariant theory journal, February 2008

Conformal symmetry and the Standard Model journal, May 2007

Effective action, conformal anomaly and the issue of quadratic divergences journal, February 2008

Neutrinos, axions and conformal symmetry journal, October 2008

Radiative symmetry breaking of the minimal left-right symmetric model journal, September 2010

Physical naturalness and dynamical breaking of classical scale invariance journal, May 2014

Natural electroweak symmetry breaking from scale invariant Higgs mechanism journal, November 2013

Towards completing the standard model: Vacuum stability, electroweak symmetry breaking, and dark matter journal, January 2014

Higgs partner searches and dark matter phenomenology in a classically scale invariant Higgs boson sector journal, July 2014

Neutrino masses and conformal electro-weak symmetry breaking journal, October 2014

Light dark matter, naturalness, and the radiative origin of the electroweak scale journal, January 2015

Higgs vacuum stability from the dark matter portal journal, August 2014

Classically conformal B – L extended Standard Model journal, June 2009

Minimal B − L model naturally realized at the TeV scale journal, December 2009

μ→eγ at a rate of one out of 109 muon decays? journal, April 1977

Neutrino Mass and Spontaneous Parity Nonconservation journal, April 1980

Nonexotic neutral gauge bosons journal, August 2003

Measurement of the Higgs boson mass from the H → γ γ and H → Z Z * → 4 ℓ channels in p p collisions at center-of-mass energies of 7 and 8 TeV with the ATLAS detector journal, September 2014

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

Investigating the near-criticality of the Higgs boson journal, December 2013

Z ′ gauge bosons at the Fermilab Tevatron journal, November 2004

Search for high-mass dilepton resonances in p p collisions at s = 8 TeV with the ATLAS detector journal, September 2014

Search for physics beyond the standard model in dilepton mass spectra in proton-proton collisions at s = 8 $$ \sqrt{s}=8 $$ TeV journal, April 2015

Higgs mass implications on the stability of the electroweak vacuum journal, March 2012

Vacuum stability in U ( 1 ) -prime extensions of the Standard Model with TeV scale right handed neutrinos journal, November 2014

Stabilizing the Higgs potential with a Z′ journal, May 2015

Probing the Z ′ sector of the minimal B − L model at future Linear Colliders in the e + e − → μ + μ − process journal, October 2009

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Electroweak Higgs as a pseudo-Goldstone boson of broken scale invariance text, January 2007

Neutrino mass in radiatively-broken scale-invariant models text, January 2007

Effective Action, Conformal Anomaly and the Issue of Quadratic Divergences text, January 2007

Classically Conformal B-L extended Standard Model text, January 2009

Radiative Symmetry Breaking of the Minimal Left-Right Symmetric Model text, January 2009

Investigating the near-criticality of the Higgs boson text, January 2013

Natural Electroweak Symmetry Breaking from Scale Invariant Higgs Mechanism text, January 2013

Higgs vacuum stability from the dark matter portal text, January 2014

Higgs Partner Searches and Dark Matter Phenomenology in a Classically Scale Invariant Higgs Boson Sector text, January 2014

Neutrino Masses and Conformal Electro-Weak Symmetry Breaking text, January 2014

Stabilizing the Higgs potential with a Z$'$ text, January 2014

Nonexotic Neutral Gauge Bosons text, January 2002

Implications for New Physics from Fine-Tuning Arguments: I. Application to SUSY and Seesaw Cases text, January 2004

Novel Effects in Electroweak Breaking from a Hidden Sector text, January 2007

The Next-to-Minimal Coleman-Weinberg Model text, January 1996

Conformal Symmetry and the Standard Model text, January 2006

Asymptotic safety in the conformal hidden sector? journal, July 2018

Natural Z ′ -portal Majorana dark matter in alternative U(1) extended standard model journal, August 2019

Conformal invariance and singlet fermionic dark matter journal, October 2019

Dirac neutrino mass generation from a Majorana messenger journal, February 2020

Study of semileptonic decays B → π l + l − and B → ρ l + l − in nonuniversal Z ′ model journal, January 2019

Electroweak vacuum stability in classically conformal $$B-L$$ B - L extension of the standard model journal, February 2017

Phase transition and vacuum stability in the classically conformal B–L model journal, July 2019

Dark matter and neutrino masses from a scale-invariant multi-Higgs portal text, January 2015

Phase transition and vacuum stability in the classically conformal B-L model text, January 2018

Title: Classically conformal $U (1)^{'}$ extended standard model and Higgs vacuum stability

Radiative Corrections as the Origin of Spontaneous Symmetry Breaking
journal, March 1973

Heavy Fermions in the Standard Sequential Scheme
journal, April 1979

The next-to-minimal Coleman-Weinberg model
journal, June 1996

Novel effects in electroweak breaking from a hidden sector
journal, October 2007

Shadow Higgs boson from a scale-invariant hidden $U (1)_{s}$ model
journal, June 2007

Electroweak Higgs as a pseudo-Goldstone boson of broken scale invariance
journal, November 2007

Neutrino mass in radiatively broken scale-invariant models
journal, October 2007

Solution to the hierarchy problem from an almost decoupled hidden sector within a classically scale invariant theory
journal, February 2008

Conformal symmetry and the Standard Model
journal, May 2007

Effective action, conformal anomaly and the issue of quadratic divergences
journal, February 2008

Neutrinos, axions and conformal symmetry
journal, October 2008

Radiative symmetry breaking of the minimal left-right symmetric model
journal, September 2010

Physical naturalness and dynamical breaking of classical scale invariance
journal, May 2014

Natural electroweak symmetry breaking from scale invariant Higgs mechanism
journal, November 2013

Towards completing the standard model: Vacuum stability, electroweak symmetry breaking, and dark matter
journal, January 2014

Higgs partner searches and dark matter phenomenology in a classically scale invariant Higgs boson sector
journal, July 2014

Neutrino masses and conformal electro-weak symmetry breaking
journal, October 2014

Light dark matter, naturalness, and the radiative origin of the electroweak scale
journal, January 2015

Higgs vacuum stability from the dark matter portal
journal, August 2014

Classically conformal B – L extended Standard Model
journal, June 2009

Minimal $B - L$ model naturally realized at the TeV scale
journal, December 2009

μ→eγ at a rate of one out of 109 muon decays?
journal, April 1977

Neutrino Mass and Spontaneous Parity Nonconservation
journal, April 1980

Nonexotic neutral gauge bosons
journal, August 2003

Measurement of the Higgs boson mass from the $H \to γ γ$ and $H \to Z Z^{*} \to 4 ℓ$ channels in $p p$ collisions at center-of-mass energies of 7 and 8 TeV with the ATLAS detector
journal, September 2014

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

Investigating the near-criticality of the Higgs boson
journal, December 2013

$Z^{'}$ gauge bosons at the Fermilab Tevatron
journal, November 2004

Search for high-mass dilepton resonances in $p p$ collisions at $\sqrt{s} = 8 TeV$ with the ATLAS detector
journal, September 2014

Search for physics beyond the standard model in dilepton mass spectra in proton-proton collisions at s = 8 $$ \sqrt{s}=8 $$ TeV
journal, April 2015

Higgs mass implications on the stability of the electroweak vacuum
journal, March 2012

Vacuum stability in $U (1)$ -prime extensions of the Standard Model with TeV scale right handed neutrinos
journal, November 2014

Stabilizing the Higgs potential with a Z′
journal, May 2015

Probing the Z ′ sector of the minimal B − L model at future Linear Colliders in the e ⁺ e ⁻ → μ ⁺ μ ⁻ process
journal, October 2009

Implications for New Physics from Fine-Tuning Arguments: I. Application to SUSY and Seesaw Cases
journal, November 2004

Electroweak Higgs as a pseudo-Goldstone boson of broken scale invariance
text, January 2007

Neutrino mass in radiatively-broken scale-invariant models
text, January 2007

Effective Action, Conformal Anomaly and the Issue of Quadratic Divergences
text, January 2007

Classically Conformal B-L extended Standard Model
text, January 2009

Radiative Symmetry Breaking of the Minimal Left-Right Symmetric Model
text, January 2009

Investigating the near-criticality of the Higgs boson
text, January 2013

Natural Electroweak Symmetry Breaking from Scale Invariant Higgs Mechanism
text, January 2013

Higgs vacuum stability from the dark matter portal
text, January 2014

Higgs Partner Searches and Dark Matter Phenomenology in a Classically Scale Invariant Higgs Boson Sector
text, January 2014

Neutrino Masses and Conformal Electro-Weak Symmetry Breaking
text, January 2014

Stabilizing the Higgs potential with a Z$'$
text, January 2014

Nonexotic Neutral Gauge Bosons
text, January 2002

Implications for New Physics from Fine-Tuning Arguments: I. Application to SUSY and Seesaw Cases
text, January 2004

Novel Effects in Electroweak Breaking from a Hidden Sector
text, January 2007

The Next-to-Minimal Coleman-Weinberg Model
text, January 1996

Conformal Symmetry and the Standard Model
text, January 2006

Asymptotic safety in the conformal hidden sector?
journal, July 2018

Natural $Z^{'}$ -portal Majorana dark matter in alternative U(1) extended standard model
journal, August 2019

Conformal invariance and singlet fermionic dark matter
journal, October 2019

Dirac neutrino mass generation from a Majorana messenger
journal, February 2020

Study of semileptonic decays $B \to π l^{+} l^{-}$ and $B \to ρ l^{+} l^{-}$ in nonuniversal $Z^{'}$ model
journal, January 2019

Electroweak vacuum stability in classically conformal $$B-L$$ B - L extension of the standard model
journal, February 2017

Phase transition and vacuum stability in the classically conformal B–L model
journal, July 2019

Dark matter and neutrino masses from a scale-invariant multi-Higgs portal
text, January 2015

Phase transition and vacuum stability in the classically conformal B-L model
text, January 2018