Beyond the Standard Model effective field theory: The singlet extended Standard Model

Adhikari, Shekhar; Lewis, Ian M.; Sullivan, Matthew

doi:10.1103/PhysRevD.103.075027

Title: Beyond the Standard Model effective field theory: The singlet extended Standard Model

Abstract

One of the assumptions of simplified models is that there are a few new particles and interactions accessible at the LHC and all other new particles are heavy and decoupled. The effective field theory (EFT) method provides a consistent method to test this assumption. Simplified models can be augmented with higher order operators involving the new particles accessible at the LHC. Any UV completion of the simplified model will be able to match onto these beyond the Standard Model EFTs (BSM-EFT). In this paper we study the simplest simplified model: the Standard Model extended by a real gauge singlet scalar. In addition to the usual renormalizable interactions, we include dimension-5 interactions of the singlet scalar with Standard Model particles. As we will show, even when the cutoff scale is 3 TeV, these new effective interactions can drastically change the interpretation of Higgs precision measurements and scalar searches. In addition, we discuss how power counting in a BSM-EFT depends strongly on the processes and parameter space under consideration. Finally, we propose a χ² method to consistently combine the limits from new particle searches with measurements of the Standard Model. Finally, unlike imposing a hard cut off on heavy resonance rates, ourmore »« less

Authors:

;

Publication Date:: Mon Apr 26 00:00:00 EDT 2021

Research Org.:: Brookhaven National Laboratory (BNL), Upton, NY (United States)

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

OSTI Identifier:: 1780533

Alternate Identifier(s):: OSTI ID: 1787814

Report Number(s):: BNL-221650-2021-JAAM
Journal ID: ISSN 2470-0010; PRVDAQ; 075027

Grant/Contract Number:: SC0017988; SC0012704; PHY-1607611

Resource Type:: Published Article

Journal Name:: Physical Review D

Additional Journal Information:: Journal Name: Physical Review D Journal Volume: 103 Journal Issue: 7; Journal ID: ISSN 2470-0010

Publisher:: American Physical Society

Country of Publication:: United States

Language:: English

Subject:: 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; extensions of Higgs sector; particles & fields

Citation Formats


                    Adhikari, Shekhar, Lewis, Ian M., and Sullivan, Matthew. Beyond the Standard Model effective field theory: The singlet extended Standard Model.  United States: N. p., 2021. 
Web.  doi:10.1103/PhysRevD.103.075027.

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                    Adhikari, Shekhar, Lewis, Ian M., & Sullivan, Matthew. Beyond the Standard Model effective field theory: The singlet extended Standard Model.  United States.  https://doi.org/10.1103/PhysRevD.103.075027

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                    Adhikari, Shekhar, Lewis, Ian M., and Sullivan, Matthew. Mon .  
"Beyond the Standard Model effective field theory: The singlet extended Standard Model".  United States.  https://doi.org/10.1103/PhysRevD.103.075027.

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@article{osti_1780533,

  title        = {Beyond the Standard Model effective field theory: The singlet extended Standard Model},

  author       = {Adhikari, Shekhar and Lewis, Ian M. and Sullivan, Matthew},

  abstractNote = {One of the assumptions of simplified models is that there are a few new particles and interactions accessible at the LHC and all other new particles are heavy and decoupled. The effective field theory (EFT) method provides a consistent method to test this assumption. Simplified models can be augmented with higher order operators involving the new particles accessible at the LHC. Any UV completion of the simplified model will be able to match onto these beyond the Standard Model EFTs (BSM-EFT). In this paper we study the simplest simplified model: the Standard Model extended by a real gauge singlet scalar. In addition to the usual renormalizable interactions, we include dimension-5 interactions of the singlet scalar with Standard Model particles. As we will show, even when the cutoff scale is 3 TeV, these new effective interactions can drastically change the interpretation of Higgs precision measurements and scalar searches. In addition, we discuss how power counting in a BSM-EFT depends strongly on the processes and parameter space under consideration. Finally, we propose a χ2 method to consistently combine the limits from new particle searches with measurements of the Standard Model. Finally, unlike imposing a hard cut off on heavy resonance rates, our method allows fluctuations in individual channels that are consistent with global fits.},

  doi          = {10.1103/PhysRevD.103.075027},

  journal      = {Physical Review D},

  number       = 7,

  volume       = 103,

  place        = {United States},

  year         = {Mon Apr 26 00:00:00 EDT 2021},

  month        = {Mon Apr 26 00:00:00 EDT 2021}

}

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Title: Beyond the Standard Model effective field theory: The singlet extended Standard Model

Abstract

Citation Formats

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Resonant Higgs boson pair production in the h h → b b ¯ W W → b b ¯ ℓ + ν ℓ − ν ¯ $$ hh\to b\overline{b}\ WW\to b\overline{b}{\ell}^{+}\nu {\ell}^{-}\overline{\nu} $$ decay channel journal, August 2015

Heavy Higgs signal–background interference in $$gg\rightarrow VV$$ g g → V V in the Standard Model plus real singlet journal, August 2015

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The anatomy of electroweak symmetry breaking journal, February 2008

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Electroweak baryogenesis in a scalar-assisted vectorlike fermion model journal, July 2016

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NLO effects in EFT fits to W + W − production at the LHC journal, February 2019

CP violation at the finite temperature journal, September 2019

Higgs production and decay: analytic results at next-to-leading order QCD journal, December 2005

Analytical result for the two-loop QCD correction to the decay H→2γ journal, April 2004

Validity of standard model EFT studies of V H and V V production at NLO journal, June 2020

Production of Higgs bosons in proton colliders. QCD corrections journal, August 1991

Search for a heavy Higgs boson decaying to a pair of W bosons in proton-proton collisions at s$$ \sqrt{s} $$ = 13 TeV journal, March 2020

Symmetry and geometry in a generalized Higgs effective field theory: Finiteness of oblique corrections versus perturbative unitarity journal, October 2019

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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

Minimally extended SILH journal, June 2017

The rare decay H → Zγ in perturbative QCD journal, September 2015

Singlet model interference effects with high scale UV physics journal, January 2017

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

2, 84, 30, 993, 560, 15456, 11962, 261485, . . .: higher dimension operators in the SM EFT journal, August 2017

Next-to-leading order QCD corrections to the decay width H → Zγ journal, August 2015

Search for resonant pair production of Higgs bosons in the b b Z Z channel in proton-proton collisions at s = 13 TeV journal, August 2020

Erratum to: 2, 84, 30, 993, 560, 15456, 11962, 261485, …: higher dimension operators in the SM EFT journal, September 2019

SusHi Bento: Beyond NNLO and the heavy- top limit journal, March 2017

Complete QCD corrections of order O(αs3) to the hadronic Higgs decay journal, September 1997

Minimal extension of the standard model scalar sector journal, February 2007

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 additional neutral MSSM Higgs bosons in the τ τ final state in proton-proton collisions at s = 13 $$ \sqrt{s}=13 $$ TeV journal, September 2018

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

Electroweak baryogenesis in non-minimal composite Higgs models journal, January 2012

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

Parton distributions with LHC data journal, February 2013

Two-loop amplitudes and master integrals for the production of a Higgs boson via a massive quark and a scalar-quark loop journal, January 2007

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

QCD corrections to the HZγ coupling journal, February 1992

Uncovering the relation of a scalar resonance to the Higgs boson journal, May 2017

HiggsBounds-4: improved tests of extended Higgs sectors against exclusion bounds from LEP, the Tevatron and the LHC journal, March 2014

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First-order QCD corrections to the decay of the Higgs boson into two photons journal, December 1990

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

The rare decay $H \rightarrow Z\gamma$ in perturbative QCD conference, June 2017

THREE-LOOP QCD CORRECTION TO THE CORRELATOR OF THE QUARK SCALAR CURRENTS AND Γ tot ( H 0 → HADRONS ) journal, December 1990

Standard Model physics at the HL-LHC and HE-LHC text, January 2019

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Gluon production of gauge bosons journal, September 1987

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Singlet-like Higgs bosons at present and future colliders journal, November 2015

The Higgs legacy of the LHC Run I journal, August 2015

Is electroweak baryogenesis dead? journal, January 2018

QCD corrections to Z Z production in gluon fusion at the LHC journal, November 2015

Higgs-two-photon interaction in the standard model. The QCD radiative correction journal, August 1993

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journal, August 2013

Current and future constraints on Higgs couplings in the nonlinear Effective Theory
journal, July 2018

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journal, November 2019

Resonant Higgs boson pair production in the h h → b b ¯ W W → b b ¯ ℓ + ν ℓ − ν ¯ $$ hh\to b\overline{b}\ WW\to b\overline{b}{\ell}^{+}\nu {\ell}^{-}\overline{\nu} $$ decay channel
journal, August 2015

Heavy Higgs signal–background interference in $$gg\rightarrow VV$$ g g → V V in the Standard Model plus real singlet
journal, August 2015

Non-resonant collider signatures of a singlet-driven electroweak phase transition
journal, August 2017

The anatomy of electroweak symmetry breaking
journal, February 2008

Phenomenology of TeV-scale scalar leptoquarks in the EFT
journal, September 2019

Electroweak baryogenesis in a scalar-assisted vectorlike fermion model
journal, July 2016

A search for the dimuon decay of the Standard Model Higgs boson with the ATLAS detector
journal, January 2021

Search for heavy resonances decaying into WW in the $$e\nu \mu \nu $$ e ν μ ν final state in pp collisions at $$\sqrt{s}=13$$ s = 13 $$\,\text {TeV}$$ TeV with the ATLAS detector
journal, January 2018

HiggsBounds 2.0.0: Confronting neutral and charged Higgs sector predictions with exclusion bounds from LEP and the Tevatron
journal, December 2011

An effective Lagrangian description of charged Higgs decays H+→W+γ, W+Z and W+h0
journal, July 2001

Searches for the Zγ decay mode of the Higgs boson and for new high-mass resonances in pp collisions at s = 13 $$ \sqrt{s}=13 $$ TeV with the ATLAS detector
journal, October 2017

NLO effects in EFT fits to $W^{+} W^{-}$ production at the LHC
journal, February 2019

CP violation at the finite temperature
journal, September 2019

Higgs production and decay: analytic results at next-to-leading order QCD
journal, December 2005

Analytical result for the two-loop QCD correction to the decay H→2γ
journal, April 2004

Validity of standard model EFT studies of $V H$ and $V V$ production at NLO
journal, June 2020

Production of Higgs bosons in proton colliders. QCD corrections
journal, August 1991

Search for a heavy Higgs boson decaying to a pair of W bosons in proton-proton collisions at s$$ \sqrt{s} $$ = 13 TeV
journal, March 2020

Symmetry and geometry in a generalized Higgs effective field theory: Finiteness of oblique corrections versus perturbative unitarity
journal, October 2019

Search for scalar resonances decaying into μ+μ− in events with and without b-tagged jets produced in proton-proton collisions at s = 13 $$ \sqrt{s}=13 $$ TeV with the ATLAS detector
journal, July 2019

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

Minimally extended SILH
journal, June 2017

The rare decay H → Zγ in perturbative QCD
journal, September 2015

Singlet model interference effects with high scale UV physics
journal, January 2017

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

2, 84, 30, 993, 560, 15456, 11962, 261485, . . .: higher dimension operators in the SM EFT
journal, August 2017

Next-to-leading order QCD corrections to the decay width H → Zγ
journal, August 2015

Search for resonant pair production of Higgs bosons in the $b b Z Z$ channel in proton-proton collisions at $\sqrt{s} = 13 TeV$
journal, August 2020

Erratum to: 2, 84, 30, 993, 560, 15456, 11962, 261485, …: higher dimension operators in the SM EFT
journal, September 2019

SusHi Bento: Beyond NNLO and the heavy- top limit
journal, March 2017

Complete QCD corrections of order O(αs3) to the hadronic Higgs decay
journal, September 1997

Minimal extension of the standard model scalar sector
journal, February 2007

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journal, November 2018

Search for additional neutral MSSM Higgs bosons in the τ τ final state in proton-proton collisions at s = 13 $$ \sqrt{s}=13 $$ TeV
journal, September 2018

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

Electroweak baryogenesis in non-minimal composite Higgs models
journal, January 2012

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

Parton distributions with LHC data
journal, February 2013

Two-loop amplitudes and master integrals for the production of a Higgs boson via a massive quark and a scalar-quark loop
journal, January 2007

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

QCD corrections to the HZγ coupling
journal, February 1992

Uncovering the relation of a scalar resonance to the Higgs boson
journal, May 2017

HiggsBounds-4: improved tests of extended Higgs sectors against exclusion bounds from LEP, the Tevatron and the LHC
journal, March 2014

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journal, November 2018

Search for Low-Mass Dijet Resonances Using Trigger-Level Jets with the ATLAS Detector in $p p$ Collisions at $\sqrt{s} = 13 TeV$
journal, August 2018

Extended dark matter EFT
journal, May 2020

The standard model as an effective field theory
journal, February 2019

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

Measurement of the production cross section for a Higgs boson in association with a vector boson in the H → WW⁎ → ℓνℓν channel in pp collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
journal, November 2019

The two-loop helicity amplitudes for gg → V 1 V 2 → 4 leptons
journal, June 2015

Gluon-fusion Higgs production in the Standard Model Effective Field Theory
journal, December 2017

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

Baryon number, lepton number, and operator dimension in the Standard Model
journal, July 2016

Extending the standard model effective field theory with the complete set of dimension-7 operators
journal, December 2014

QCD corrections to the Higgs-boson decay $H \to γ γ$
journal, February 1993

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

First-order QCD corrections to the decay of the Higgs boson into two photons
journal, December 1990

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

The rare decay $H \rightarrow Z\gamma$ in perturbative QCD
conference, June 2017

THREE-LOOP QCD CORRECTION TO THE CORRELATOR OF THE QUARK SCALAR CURRENTS AND Γ _tot ( H ⁰ → HADRONS )
journal, December 1990

Standard Model physics at the HL-LHC and HE-LHC
text, January 2019

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

QCD corrections to γγ decays of Higgs particles in the intermediate mass range
journal, March 1991

Two-photon decay widths of Higgs particles
journal, July 1993

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

Gluon production of gauge bosons
journal, September 1987

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journal, March 2019

Real Higgs singlet and the electroweak phase transition in the standard model
journal, November 1993

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journal, November 2015

The Higgs legacy of the LHC Run I
journal, August 2015

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journal, January 2018

QCD corrections to $Z Z$ production in gluon fusion at the LHC
journal, November 2015

Higgs-two-photon interaction in the standard model. The QCD radiative correction
journal, August 1993

NLO corrections to double Higgs boson production in the Higgs singlet model
journal, November 2015

Two-loop helicity amplitudes for the production of two off-shell electroweak bosons in gluon fusion
journal, June 2015

Search for Heavy Higgs Bosons Decaying into Two Tau Leptons with the ATLAS Detector Using $p p$ Collisions at $\sqrt{s} = 13 TeV$
journal, July 2020