Probing a scalar singlet-catalyzed electroweak phase transition with resonant di-Higgs boson production in the 4 b channel

Li, Hao-Lin; Ramsey-Musolf, Michael J.; Willocq, Stéphane

doi:10.1103/PhysRevD.100.075035

Title: Probing a scalar singlet-catalyzed electroweak phase transition with resonant di-Higgs boson production in the $4 b$ channel

Abstract

We investigate the prospective reach of the 14 TeV HL-LHC for resonant production of a heavy Higgs boson that decays to two SM-like Higgs bosons in the 4b final state in the scalar singlet extended Standard Model. We focus on the reach for choices of parameters yielding a strong first order electroweak phase transition. The event selection follows the 4b analysis by the ATLAS Collaboration, enhanced with the use of a boosted decision tree method to optimize the discrimination between signal and background events. The output of the multivariate discriminant is used directly in the statistical analysis. The prospective reach of the 4b channel is compatible with previous projections for the bbγγ and 4τ channels for heavy Higgs boson mass m2 below 500 GeV and superior to these channels for m₂ > 500 GeV. With 3 ab^–1 of integrated luminosity, it is possible to discover the heavy Higgs boson in the 4b channel for m₂ < 500 GeV in regions of parameter space yielding a strong first order electroweak phase transition and satisfying all other phenomenological constraints.

Authors:

; Ramsey-Musolf, Michael J.;

Publication Date:: 2019-10-28

Research Org.:: Univ. of Massachusetts, Amherst, MA (United States)

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

OSTI Identifier:: 1572131

Alternate Identifier(s):: OSTI ID: 1595340

Grant/Contract Number:: SC0011095; SC0010004; 11875003

Resource Type:: Published Article

Journal Name:: Physical Review D

Additional Journal Information:: Journal Name: Physical Review D Journal Volume: 100 Journal Issue: 7; Journal ID: ISSN 2470-0010

Publisher:: American Physical Society (APS)

Country of Publication:: United States

Language:: English

Subject:: 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Baryogenesis & Ieptogenesis; Branching fraction; Extensions of Higgs sector; Hadron colliders; Machine learning

Citation Formats


                    Li, Hao-Lin, Ramsey-Musolf, Michael J., and Willocq, Stéphane. Probing a scalar singlet-catalyzed electroweak phase transition with resonant di-Higgs boson production in the 4 b channel.  United States: N. p., 2019. 
Web.  doi:10.1103/PhysRevD.100.075035.

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                    Li, Hao-Lin, Ramsey-Musolf, Michael J., & Willocq, Stéphane. Probing a scalar singlet-catalyzed electroweak phase transition with resonant di-Higgs boson production in the 4 b channel.  United States.  https://doi.org/10.1103/PhysRevD.100.075035

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                    Li, Hao-Lin, Ramsey-Musolf, Michael J., and Willocq, Stéphane. Mon .  
"Probing a scalar singlet-catalyzed electroweak phase transition with resonant di-Higgs boson production in the 4 b channel".  United States.  https://doi.org/10.1103/PhysRevD.100.075035.

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@article{osti_1572131,

  title        = {Probing a scalar singlet-catalyzed electroweak phase transition with resonant di-Higgs boson production in the 4 b channel},

  author       = {Li, Hao-Lin and Ramsey-Musolf, Michael J. and Willocq, Stéphane},

  abstractNote = {We investigate the prospective reach of the 14 TeV HL-LHC for resonant production of a heavy Higgs boson that decays to two SM-like Higgs bosons in the 4b final state in the scalar singlet extended Standard Model. We focus on the reach for choices of parameters yielding a strong first order electroweak phase transition. The event selection follows the 4b analysis by the ATLAS Collaboration, enhanced with the use of a boosted decision tree method to optimize the discrimination between signal and background events. The output of the multivariate discriminant is used directly in the statistical analysis. The prospective reach of the 4b channel is compatible with previous projections for the bbγγ and 4τ channels for heavy Higgs boson mass m2 below 500 GeV and superior to these channels for m2 > 500 GeV. With 3 ab–1 of integrated luminosity, it is possible to discover the heavy Higgs boson in the 4b channel for m2 < 500 GeV in regions of parameter space yielding a strong first order electroweak phase transition and satisfying all other phenomenological constraints.},

  doi          = {10.1103/PhysRevD.100.075035},

  journal      = {Physical Review D},

  number       = 7,

  volume       = 100,

  place        = {United States},

  year         = {2019},

  month        = {10}

}

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Title: Probing a scalar singlet-catalyzed electroweak phase transition with resonant di-Higgs boson production in the 4 b channel

Abstract

Citation Formats

Combination of searches for heavy resonances decaying into bosonic and leptonic final states using 36 fb − 1 of proton-proton collision data at s = 13 TeV with the ATLAS detector journal, September 2018

Electroweak baryogenesis journal, December 2012

Probing the Higgs portal at the LHC through resonant di-Higgs production journal, May 2014

Measurements of Higgs boson properties in the diphoton decay channel with 36 fb − 1 of p p collision data at s = 13 TeV with the ATLAS detector journal, September 2018

Parton distributions with QED corrections journal, December 2013

Search for Higgs boson pair production in the b b ¯ W W * $$ b\overline{b}W{W}^{*} $$ decay mode at s $$ \sqrt{s} $$ = 13 TeV with the ATLAS detector journal, April 2019

Search for pair production of Higgs bosons in the b b ¯ b b ¯ final state using proton-proton collisions at s = 13 TeV with the ATLAS detector journal, September 2016

What's new with the electroweak phase transition? journal, March 1999

Singlet-catalyzed electroweak phase transitions in the 100 TeV frontier journal, August 2016

Where the electroweak phase transition ends journal, October 1997

Erratum: Search for Resonant and Nonresonant Higgs Boson Pair Production in the b b ¯ τ + τ − Decay Channel in p p Collisions at s = 13 TeV with the ATLAS Detector [Phys. Rev. Lett. 121 , 191801 (2018)] journal, February 2019

Vacuum stability, perturbativity, and scalar singlet dark matter journal, January 2010

The end point of the first-order phase transition of the SU(2) gauge-Higgs model on a 4-dimensional isotropic lattice journal, May 1999

Identification of b-quark jets with the CMS experiment journal, April 2013

Observation of a new boson at a mass of 125 GeV with the CMS experiment at the LHC journal, September 2012

PYTHIA 6.4 physics and manual journal, May 2006

CosmoTransitions: Computing cosmological phase transition temperatures and bubble profiles with multiple fields journal, September 2012

Observation of a new particle in the search for the Standard Model Higgs boson with the ATLAS detector at the LHC journal, September 2012

Search for a Higgs boson in the mass range from 145 to 1000 GeV decaying to a pair of W or Z bosons journal, October 2015

Planck 2013 results. XVI. Cosmological parameters journal, October 2014

The automated computation of tree-level and next-to-leading order differential cross sections, and their matching to parton shower simulations journal, July 2014

Strong electroweak phase transitions in the Standard Model with a singlet journal, January 2012

Erratum to: Search for a new scalar resonance decaying to a pair of Z bosons in proton-proton collisions at s = 13 $$ \sqrt{s}=13 $$ TeV journal, March 2019

A Decision-Theoretic Generalization of On-Line Learning and an Application to Boosting journal, August 1997

Top quark pair production beyond NNLO journal, August 2015

Search for Higgs boson pair production in the $$\gamma \gamma WW^*$$ γ γ W W ∗ channel using $$pp$$ pp collision data recorded at $$\sqrt{s}$$ s $$=13$$ = 13 TeV with the ATLAS detector journal, December 2018

Search for pair production of Higgs bosons in the b b ¯ b b ¯ $$ b\overline{b}b\overline{b} $$ final state using proton-proton collisions at s = 13 $$ \sqrt{s}=13 $$ TeV with the ATLAS detector journal, January 2019

A novel approach to confront electroweak data and theory journal, June 1995

Automated NLO/NLL Monte Carlo programs for the LHC journal, April 2015

LHC benchmark scenarios for the real Higgs singlet extension of the standard model journal, May 2016

Search for Higgs boson pair production in events with two bottom quarks and two tau leptons in proton–proton collisions at s = 13 TeV journal, March 2018

Total Top-Quark Pair-Production Cross Section at Hadron Colliders Through O ( α S 4 ) journal, June 2013

Measurements of gluon–gluon fusion and vector-boson fusion Higgs boson production cross-sections in the H → WW⁎ → eνμν decay channel in pp collisions at s = 13 TeV with the ATLAS detector journal, February 2019

Resonant di-Higgs boson production in the b b ¯ W W channel: Probing the electroweak phase transition at the LHC journal, August 2017

Measurement of the Higgs boson coupling properties in the H → ZZ∗ → 4ℓ decay channel at s = 13 $$ \sqrt{s}=13 $$ TeV with the ATLAS detector journal, March 2018

The global electroweak fit at NNLO and prospects for the LHC and ILC journal, September 2014

Lilith: a tool for constraining new physics from Higgs measurements journal, September 2015

Combination of searches for WW, WZ, and ZZ resonances in pp collisions at s = 8 TeV with the ATLAS detector journal, April 2016

Search for Resonant and Nonresonant Higgs Boson Pair Production in the b b ¯ τ + τ − Decay Channel in p p Collisions at s = 13 TeV with the ATLAS Detector journal, November 2018

Search for Higgs boson pair production in the γ γ b b ‾ final state in pp collisions at s = 13 TeV journal, January 2019

Search for a standard-model-like Higgs boson with a mass in the range 145 to 1000 GeV at the LHC journal, June 2013

Search for a new scalar resonance decaying to a pair of Z bosons in proton-proton collisions at s = 13 $$ sqrt{s}=13 $$ TeV journal, June 2018

Violation of CP in variance, C asymmetry, and baryon asymmetry of the universe journal, May 1991

Observation of H → b b ¯ decays and VH production with the ATLAS detector journal, November 2018

DELPHES 3: a modular framework for fast simulation of a generic collider experiment journal, February 2014

Singlet Higgs phenomenology and the electroweak phase transition journal, August 2007

Is There a Hot Electroweak Phase Transition at m H ≳ m W ? journal, September 1996

Search for an additional, heavy Higgs boson in the $$H\rightarrow ZZ$$ H → Z Z decay channel at $$\sqrt{s} = 8\;\text{ TeV }$$ s = 8 TeV in $$pp$$ p p collision data with the ATLAS detector journal, January 2016

Cross-section measurements of the Higgs boson decaying into a pair of τ -leptons in proton-proton collisions at s = 13 TeV with the ATLAS detector journal, April 2019

Search for resonant and nonresonant Higgs boson pair production in the b b ¯ ℓνℓν $$ \mathrm{b}\overline{\mathrm{b}}\mathit{\ell \nu \ell \nu } $$ final state in proton-proton collisions at s = 13 $$ \sqrt{s}=13 $$ TeV journal, January 2018

Status of the Higgs singlet extension of the standard model after LHC run 1 journal, March 2015

The electroweak phase transition in a nonminimal supersymmetric model journal, August 1993

Search for Higgs boson pair production in the γ γ b b ¯ $$ \upgamma \upgamma b\overline{b} $$ final state with 13 TeV pp collision data collected by the ATLAS experiment journal, November 2018

Erratum to: Asymptotic formulae for likelihood-based tests of new physics journal, July 2013

Estimation of oblique electroweak corrections journal, July 1992

Asymptotic formulae for likelihood-based tests of new physics journal, February 2011

Search for resonant pair production of Higgs bosons decaying to bottom quark-antiquark pairs in proton-proton collisions at 13 TeV journal, August 2018

Observation of Higgs boson production in association with a top quark pair at the LHC with the ATLAS detector journal, September 2018

End Point of the Hot Electroweak Phase Transition journal, January 1999

Search for Higgs boson pair production in the WW(*)WW(*) decay channel using ATLAS data recorded at s $$ \sqrt{\mathrm{s}} $$ = 13 TeV journal, May 2019

A novel approach to confront electroweak data and theory journal, December 1994

Singlet-catalyzed electroweak phase transitions and precision Higgs boson studies journal, February 2015

Violation of <i>CP</i> in variance, <i>C</i> asymmetry, and baryon asymmetry of the universe [Нарушение CP-инвариантности. C-асимметрия и барионная асимметрия Вселенной] journal, January 1991

Title: Probing a scalar singlet-catalyzed electroweak phase transition with resonant di-Higgs boson production in the $4 b$ channel

Combination of searches for heavy resonances decaying into bosonic and leptonic final states using $36 {fb}^{- 1}$ of proton-proton collision data at $\sqrt{s} = 13 TeV$ with the ATLAS detector
journal, September 2018

Electroweak baryogenesis
journal, December 2012

Probing the Higgs portal at the LHC through resonant di-Higgs production
journal, May 2014

Measurements of Higgs boson properties in the diphoton decay channel with $36 {fb}^{- 1}$ of $p p$ collision data at $\sqrt{s} = 13 TeV$ with the ATLAS detector
journal, September 2018

Parton distributions with QED corrections
journal, December 2013

Search for Higgs boson pair production in the b b ¯ W W * $$ b\overline{b}W{W}^{*} $$ decay mode at s $$ \sqrt{s} $$ = 13 TeV with the ATLAS detector
journal, April 2019

Search for pair production of Higgs bosons in the $b \bar{b} b \bar{b}$ final state using proton-proton collisions at $\sqrt{s} = 13 TeV$ with the ATLAS detector
journal, September 2016

What's new with the electroweak phase transition?
journal, March 1999

Singlet-catalyzed electroweak phase transitions in the 100 TeV frontier
journal, August 2016

Where the electroweak phase transition ends
journal, October 1997

Erratum: Search for Resonant and Nonresonant Higgs Boson Pair Production in the $b \bar{b} τ^{+} τ^{-}$ Decay Channel in $p p$ Collisions at $\sqrt{s} = 13 TeV$ with the ATLAS Detector [Phys. Rev. Lett. 121 , 191801 (2018)]
journal, February 2019

Vacuum stability, perturbativity, and scalar singlet dark matter
journal, January 2010

The end point of the first-order phase transition of the SU(2) gauge-Higgs model on a 4-dimensional isotropic lattice
journal, May 1999

Identification of b-quark jets with the CMS experiment
journal, April 2013

Observation of a new boson at a mass of 125 GeV with the CMS experiment at the LHC
journal, September 2012

PYTHIA 6.4 physics and manual
journal, May 2006

CosmoTransitions: Computing cosmological phase transition temperatures and bubble profiles with multiple fields
journal, September 2012

Observation of a new particle in the search for the Standard Model Higgs boson with the ATLAS detector at the LHC
journal, September 2012

Search for a Higgs boson in the mass range from 145 to 1000 GeV decaying to a pair of W or Z bosons
journal, October 2015

Planck 2013 results. XVI. Cosmological parameters
journal, October 2014

The automated computation of tree-level and next-to-leading order differential cross sections, and their matching to parton shower simulations
journal, July 2014

Strong electroweak phase transitions in the Standard Model with a singlet
journal, January 2012

Erratum to: Search for a new scalar resonance decaying to a pair of Z bosons in proton-proton collisions at s = 13 $$ \sqrt{s}=13 $$ TeV
journal, March 2019

A Decision-Theoretic Generalization of On-Line Learning and an Application to Boosting
journal, August 1997

Top quark pair production beyond NNLO
journal, August 2015

Search for Higgs boson pair production in the $$\gamma \gamma WW^*$$ γ γ W W ∗ channel using $$pp$$ pp collision data recorded at $$\sqrt{s}$$ s $$=13$$ = 13 TeV with the ATLAS detector
journal, December 2018

Search for pair production of Higgs bosons in the b b ¯ b b ¯ $$ b\overline{b}b\overline{b} $$ final state using proton-proton collisions at s = 13 $$ \sqrt{s}=13 $$ TeV with the ATLAS detector
journal, January 2019

A novel approach to confront electroweak data and theory
journal, June 1995

Automated NLO/NLL Monte Carlo programs for the LHC
journal, April 2015

LHC benchmark scenarios for the real Higgs singlet extension of the standard model
journal, May 2016

Search for Higgs boson pair production in events with two bottom quarks and two tau leptons in proton–proton collisions at $\sqrt{s} = 13 TeV$
journal, March 2018

Total Top-Quark Pair-Production Cross Section at Hadron Colliders Through $O (α_{S}^{4})$
journal, June 2013

Measurements of gluon–gluon fusion and vector-boson fusion Higgs boson production cross-sections in the H → WW⁎ → eνμν decay channel in pp collisions at $\sqrt{s} = 13 TeV$ with the ATLAS detector
journal, February 2019

Resonant di-Higgs boson production in the $b \bar{b} W W$ channel: Probing the electroweak phase transition at the LHC
journal, August 2017

Measurement of the Higgs boson coupling properties in the H → ZZ∗ → 4ℓ decay channel at s = 13 $$ \sqrt{s}=13 $$ TeV with the ATLAS detector
journal, March 2018

The global electroweak fit at NNLO and prospects for the LHC and ILC
journal, September 2014

Lilith: a tool for constraining new physics from Higgs measurements
journal, September 2015

Combination of searches for WW, WZ, and ZZ resonances in pp collisions at $\sqrt{s} = 8 TeV$ with the ATLAS detector
journal, April 2016

Search for Resonant and Nonresonant Higgs Boson Pair Production in the $b \bar{b} τ^{+} τ^{-}$ Decay Channel in $p p$ Collisions at $\sqrt{s} = 13 TeV$ with the ATLAS Detector
journal, November 2018

Search for Higgs boson pair production in the $γ γ b \overline{b}$ final state in pp collisions at $\sqrt{s} = 13 TeV$
journal, January 2019

Search for a standard-model-like Higgs boson with a mass in the range 145 to 1000 GeV at the LHC
journal, June 2013

Search for a new scalar resonance decaying to a pair of Z bosons in proton-proton collisions at s = 13 $$ sqrt{s}=13 $$ TeV
journal, June 2018

Violation of CP in variance, C asymmetry, and baryon asymmetry of the universe
journal, May 1991

Observation of $H \to b \bar{b}$ decays and VH production with the ATLAS detector
journal, November 2018

DELPHES 3: a modular framework for fast simulation of a generic collider experiment
journal, February 2014

Singlet Higgs phenomenology and the electroweak phase transition
journal, August 2007

Is There a Hot Electroweak Phase Transition at $m_{H} ≳ m_{W}$ ?
journal, September 1996

Search for an additional, heavy Higgs boson in the $$H\rightarrow ZZ$$ H → Z Z decay channel at $$\sqrt{s} = 8\;\text{ TeV }$$ s = 8 TeV in $$pp$$ p p collision data with the ATLAS detector
journal, January 2016

Cross-section measurements of the Higgs boson decaying into a pair of $τ$ -leptons in proton-proton collisions at $\sqrt{s} = 13 TeV$ with the ATLAS detector
journal, April 2019

Search for resonant and nonresonant Higgs boson pair production in the b b ¯ ℓνℓν $$ \mathrm{b}\overline{\mathrm{b}}\mathit{\ell \nu \ell \nu } $$ final state in proton-proton collisions at s = 13 $$ \sqrt{s}=13 $$ TeV
journal, January 2018

Status of the Higgs singlet extension of the standard model after LHC run 1
journal, March 2015

The electroweak phase transition in a nonminimal supersymmetric model
journal, August 1993

Search for Higgs boson pair production in the γ γ b b ¯ $$ \upgamma \upgamma b\overline{b} $$ final state with 13 TeV pp collision data collected by the ATLAS experiment
journal, November 2018

Erratum to: Asymptotic formulae for likelihood-based tests of new physics
journal, July 2013

Estimation of oblique electroweak corrections
journal, July 1992

Asymptotic formulae for likelihood-based tests of new physics
journal, February 2011

Search for resonant pair production of Higgs bosons decaying to bottom quark-antiquark pairs in proton-proton collisions at 13 TeV
journal, August 2018

Observation of Higgs boson production in association with a top quark pair at the LHC with the ATLAS detector
journal, September 2018

End Point of the Hot Electroweak Phase Transition
journal, January 1999

Search for Higgs boson pair production in the WW()WW() decay channel using ATLAS data recorded at s $$ \sqrt{\mathrm{s}} $$ = 13 TeV
journal, May 2019

A novel approach to confront electroweak data and theory
journal, December 1994

Singlet-catalyzed electroweak phase transitions and precision Higgs boson studies
journal, February 2015

Violation of <i>CP</i> in variance, <i>C</i> asymmetry, and baryon asymmetry of the universe [Нарушение CP-инвариантности. C-асимметрия и барионная асимметрия Вселенной]
journal, January 1991