Detecting heavy Higgs bosons from natural SUSY at a 100 TeV hadron collider

Baer, Howard; Kao, Chung; Barger, Vernon; Jain, Rishabh; Sengupta, Dibyashree; Tata, Xerxes

doi:10.1103/PhysRevD.105.095039

Title: Detecting heavy Higgs bosons from natural SUSY at a 100 TeV hadron collider

Abstract

Supersymmetric models with radiatively driven naturalness enjoy low electroweak fine tuning whilst respecting LHC search limits on gluinos and top squarks and allowing for m_h ≃ 125 GeV. While the heavier Higgs bosons H and A may have TeV-scale masses, the supersymmetry (SUSY)-conserving μ parameter must lie in the few hundred GeV range. Thus, in natural SUSY models there should occur large heavy Higgs boson branching fractions to electroweakinos, with Higgs boson decays to Higgsino plus gaugino dominating when they are kinematically accessible. These SUSY decays can open up new avenues for discovery. We investigate the prospects of discovering heavy neutral Higgs bosons H and A decaying into light plus heavy chargino pairs which can yield a four isolated lepton plus missing transverse energy signature at the LHC and at a future 100 TeV pp collider. We find that the discovery of heavy Higgs decay to electroweakinos via its 4ℓ decay mode is very difficult at HL-LHC. For FCC-hh or SPPC, we study the H,A→SUSY reaction along with dominant physics backgrounds from the Standard Model and devise suitable selection requirements to extract a clean signal for FCC-hh or SPPC with √s=100 TeV, assuming an integrated luminosity of 15 ab^-1. Wemore »« less

Authors:

;

; Sengupta, Dibyashree; Tata, Xerxes

Publication Date:: Thu May 26 00:00:00 EDT 2022

Research Org.:: Univ. of Oklahoma, Norman, OK (United States); Univ. of Wisconsin, Madison, WI (United States)

Sponsoring Org.:: USDOE Office of Science (SC), High Energy Physics (HEP); Ministry of Science and Technology (MOST) of Taiwan

OSTI Identifier:: 1870180

Alternate Identifier(s):: OSTI ID: 1980083

Grant/Contract Number:: SC-0009956; SC-0017647; SC0009956; SC0017647; 110-2811-M-002-574; 110-2639-M-002-002-ASP

Resource Type:: Published Article

Journal Name:: Physical Review D

Additional Journal Information:: Journal Name: Physical Review D Journal Volume: 105 Journal Issue: 9; Journal ID: ISSN 2470-0010

Publisher:: American Physical Society

Country of Publication:: United States

Language:: English

Subject:: 79 ASTRONOMY AND ASTROPHYSICS; Physics; extensions of Higgs sector; grand unified models; hierarchy problem; supersymmetric models

Citation Formats


                    Baer, Howard, Kao, Chung, Barger, Vernon, Jain, Rishabh, Sengupta, Dibyashree, and Tata, Xerxes. Detecting heavy Higgs bosons from natural SUSY at a 100 TeV hadron collider.  United States: N. p., 2022. 
Web.  doi:10.1103/PhysRevD.105.095039.

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                    Baer, Howard, Kao, Chung, Barger, Vernon, Jain, Rishabh, Sengupta, Dibyashree, & Tata, Xerxes. Detecting heavy Higgs bosons from natural SUSY at a 100 TeV hadron collider.  United States.  https://doi.org/10.1103/PhysRevD.105.095039

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                    Baer, Howard, Kao, Chung, Barger, Vernon, Jain, Rishabh, Sengupta, Dibyashree, and Tata, Xerxes. Thu .  
"Detecting heavy Higgs bosons from natural SUSY at a 100 TeV hadron collider".  United States.  https://doi.org/10.1103/PhysRevD.105.095039.

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@article{osti_1870180,

  title        = {Detecting heavy Higgs bosons from natural SUSY at a 100 TeV hadron collider},

  author       = {Baer, Howard and Kao, Chung and Barger, Vernon and Jain, Rishabh and Sengupta, Dibyashree and Tata, Xerxes},

  abstractNote = {Supersymmetric models with radiatively driven naturalness enjoy low electroweak fine tuning whilst respecting LHC search limits on gluinos and top squarks and allowing for mh ≃ 125 GeV. While the heavier Higgs bosons H and A may have TeV-scale masses, the supersymmetry (SUSY)-conserving μ parameter must lie in the few hundred GeV range. Thus, in natural SUSY models there should occur large heavy Higgs boson branching fractions to electroweakinos, with Higgs boson decays to Higgsino plus gaugino dominating when they are kinematically accessible. These SUSY decays can open up new avenues for discovery. We investigate the prospects of discovering heavy neutral Higgs bosons H and A decaying into light plus heavy chargino pairs which can yield a four isolated lepton plus missing transverse energy signature at the LHC and at a future 100 TeV pp collider. We find that the discovery of heavy Higgs decay to electroweakinos via its 4ℓ decay mode is very difficult at HL-LHC. For FCC-hh or SPPC, we study the H,A→SUSY reaction along with dominant physics backgrounds from the Standard Model and devise suitable selection requirements to extract a clean signal for FCC-hh or SPPC with √s=100 TeV, assuming an integrated luminosity of 15 ab-1. We find that while a conventional cut-and-count analysis yields a signal statistical significance greater than 5σ for mA,H ~ 1.1 TeV - 1.65 TeV, a boosted decision-tree analysis allows for heavy Higgs signal discovery at FCC-hh or SPPC for mA,H ~ 1 TeV - 2 TeV.},

  doi          = {10.1103/PhysRevD.105.095039},

  journal      = {Physical Review D},

  number       = 9,

  volume       = 105,

  place        = {United States},

  year         = {Thu May 26 00:00:00 EDT 2022},

  month        = {Thu May 26 00:00:00 EDT 2022}

}

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We continue our examination of prospects for the discovery of heavy Higgs bosons of natural SUSY (natSUSY) models at the high luminosity LHC (HL-LHC), this time focusing on charged Higgs bosons. In natSUSY, higgsinos are expected at the few hundred GeV scale whilst electroweak gauginos inhabit the TeV scale and the heavy Higgs bosons, H, A and H± could range up tens of TeV without jeopardizing naturalness. For TeV-scale heavy SUSY Higgs bosons H, A and H±, as currently required by LHC searches, SUSY decays into gaugino plus higgsino can dominate H± decays provided these decays are kinematically accessible. Themore »« less
https://doi.org/10.3390/sym15081475
Final technical report: From colliders to cosmology in the LHC era

Technical Report Baer, Howard A.

Now that the Higgs boson has been discovered, the question is: why is it so light when its mass is expected to blow up to the highest mass scale of the particles to which it couples? Supersymmetry tames these quadratic divergences, yet there is as yet no sign of superparticles at LHC. Sparticle mass limits and the Higgs mass suggest sparticles which reside in the multi-TeV range if at all. This situation heightens the Little Hierarchy or SUSY naturalness question: why the mass gap between weak scale and sparticle mass scale? In the past several years, our group has beenmore »« less
https://doi.org/10.2172/1433621

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Title: Detecting heavy Higgs bosons from natural SUSY at a 100 TeV hadron collider

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Testing the Higgs sector of the minimal supersymmetric standard model at large hadron colliders journal, October 1992

Implications of non-universality of soft terms in supersyrnmetric grand unified theories journal, February 1995

Higgs-boson signals in superstring-inspired models at hadron supercolliders journal, September 1987

Supersymmetric Higgs and radiative electroweak breaking journal, November 2007

Upper Bound of the Lightest Higgs Boson Mass in the Minimal Supersymmetric Standard Model journal, January 1991

Observability of the heavy neutral SUSY Higgs bosons decaying into neutralinos at the LHC journal, November 2006

Higgs Boson theory and phenomenology journal, January 2003

Renormalization of Supersymmetry Breaking Parameters Revisited journal, February 1984

Radiative corrections to the masses of supersymmetric Higgs bosons journal, March 1991

Weak symmetry breaking by radiative corrections in broken supergravity journal, June 1983

Search for Higgs bosons of minimal supersymmetry: Impact of supersymmetric decay modes journal, February 1993

Upper bounds on supersymmetric particle masses journal, August 1988

Electroweak symmetry breaking with non-universal scalar soft terms and large tan β solutions journal, January 1995

Locally supersymmetric SU(5) grand unification journal, December 1982

Electroweak precision observables in the minimal supersymmetric standard model journal, March 2006

Supersymmetry, naturalness and light higgsinos journal, May 2014

Four-lepton LHC events from MSSM Higgs boson decays into neutralino and chargino pairs journal, August 2009

Detecting Higgs boson decays to neutralinos at hadron supercolliders journal, July 1994

Heavy Higgs as a portal to the supersymmetric electroweak sector journal, April 2019

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

SU(2)L × U(1) symmetry breaking as a radiative effect of supersymmetry breaking in GUTs journal, April 1982

Gauge hierarchy in a supersymmetric model journal, February 1982

Supersymmetry, naturalness, and signatures at the CERN LHC journal, May 2006

Higgs boson physics in the s-channel at μ+μ− colliders journal, July 1997

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

Invisible decays of Higgs bosons in supersymmetric models journal, February 1988

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

SusHi: A program for the calculation of Higgs production in gluon fusion and bottom-quark annihilation in the Standard Model and the MSSM journal, June 2013

Can the mass of the lightest Higgs boson of the minimal supersymmetric model be larger than m Z ? journal, April 1991

Direct, indirect and collider detection of neutralino dark matter in SUSY models with non-universal Higgs masses journal, July 2005

SUSY Higgs at the LHC: effects of light charginos and neutralinos journal, August 2000

Nonuniversal soft supersymmetry breaking and dark matter journal, September 1997

Weak Scale Supersymmetry book, January 2006

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

SUSY decays of Higgs particles journal, May 1996

Supersymmetric Higgs boson decays in the MSSM with explicit CP violation journal, September 2002

NLO QCD corrections to pseudoscalar Higgs production in the MSSM journal, August 2011

On the NLO QCD corrections to the production of the heaviest neutral Higgs scalar in the MSSM journal, June 2012

Search for dark matter in events with a hadronically decaying vector boson and missing transverse momentum in pp collisions at s = 13 $$ \sqrt{s}=13 $$ TeV with the ATLAS detector journal, October 2018

Dynamical breaking of supersymmetry journal, October 1981

Weak interaction breakdown induced by supergravity journal, January 1983

Searching for heavy Higgs in supersymmetric final states at the LHC journal, April 2021

Implications of precision electroweak experiments for m t , ρ 0 , sin 2 θ W , and grand unification journal, August 1991

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

Radiative natural supersymmetry: Reconciling electroweak fine-tuning and the Higgs boson mass journal, June 2013

Decays of Higgs Bosons to Neutralinos and Charginos in the Minimal Supersymmetric Model: Calculation and Phenomenology journal, August 1987

Prospects for Higgs coupling measurements in SUSY with radiatively-driven naturalness journal, August 2015

MSSM Higgs boson searches at the LHC: benchmark scenarios for Run 2 and beyond journal, July 2019

NLO QCD bottom corrections to Higgs boson production in the MSSM journal, November 2010

Minimal low-energy supergravity journal, July 1983

How conventional measures overestimate electroweak fine-tuning in supersymmetric theory journal, November 2013

Naturalness and superpartner masses or when to give up on weak scale supersymmetry journal, August 1995

Implications of naturalness for the heavy Higgs bosons of supersymmetry journal, October 2014

Supersymmetry and the scale of unification journal, September 1981

Probing the desert using gauge coupling unification journal, May 1991

Search for supersymmetry in final states with two or three soft leptons and missing transverse momentum in proton-proton collisions at $$ \sqrt{s} $$ = 13 TeV journal, April 2022

Next-to-Next-to-Leading Order Higgs Production at Hadron Colliders journal, May 2002

The locally supersymmetric geometrical hierarchy model journal, October 1983

Aspects of Grand Unified Models with Softly Broken Supersymmetry journal, September 1982

Search for top squark pair production in pp collisions at s = 13 $$ \sqrt{s}=13 $$ TeV using single lepton events journal, October 2017

Higgs bosons in supersymmetric models (III). Decays into neutralinos and charginos journal, September 1988

Search for supersymmetry in proton-proton collisions at 13 TeV using identified top quarks journal, January 2018

Exploration of the MSSM with non-universal Higgs masses journal, March 2003

Radiative Natural Supersymmetry with a 125 GeV Higgs Boson journal, October 2012

On the generalized harmonic polylogarithms of one complex variable journal, June 2011

SUSY models under siege: LHC constraints and electroweak fine-tuning journal, June 2014

RunDec: a Mathematica package for running and decoupling of the strong coupling and quark masses journal, December 2000

Higgs boson production in bottom quark fusion at next-to-next-to-leading order journal, July 2003

Upper bounds on sparticle masses from naturalness or how to disprove weak scale supersymmetry journal, February 2016

Study of MSSM heavy Higgs bosons decaying into charginos and neutralinos journal, October 2016

Natural SUSY endures journal, September 2012

Naturalness constraints in supersymmetric theories with non-universal soft terms journal, September 1995

Comparison of grand unified theories with electroweak and strong coupling constants measured at LEP journal, May 1991

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

Color-singlet production at NNLO in MCFM journal, December 2016

What hadron collider is required to discover or falsify natural supersymmetry? journal, November 2017

The MSSM parameter space with non-universal Higgs masses journal, July 2002

Testing the Higgs sector of the minimal supersymmetric standard model at large hadron colliders
journal, October 1992

Implications of non-universality of soft terms in supersyrnmetric grand unified theories
journal, February 1995

Higgs-boson signals in superstring-inspired models at hadron supercolliders
journal, September 1987

Supersymmetric Higgs and radiative electroweak breaking
journal, November 2007

Upper Bound of the Lightest Higgs Boson Mass in the Minimal Supersymmetric Standard Model
journal, January 1991

Observability of the heavy neutral SUSY Higgs bosons decaying into neutralinos at the LHC
journal, November 2006

Higgs Boson theory and phenomenology
journal, January 2003

Renormalization of Supersymmetry Breaking Parameters Revisited
journal, February 1984

Radiative corrections to the masses of supersymmetric Higgs bosons
journal, March 1991

Weak symmetry breaking by radiative corrections in broken supergravity
journal, June 1983

Search for Higgs bosons of minimal supersymmetry: Impact of supersymmetric decay modes
journal, February 1993

Upper bounds on supersymmetric particle masses
journal, August 1988

Electroweak symmetry breaking with non-universal scalar soft terms and large tan β solutions
journal, January 1995

Locally supersymmetric SU(5) grand unification
journal, December 1982

Electroweak precision observables in the minimal supersymmetric standard model
journal, March 2006

Supersymmetry, naturalness and light higgsinos
journal, May 2014

Four-lepton LHC events from MSSM Higgs boson decays into neutralino and chargino pairs
journal, August 2009

Detecting Higgs boson decays to neutralinos at hadron supercolliders
journal, July 1994

Heavy Higgs as a portal to the supersymmetric electroweak sector
journal, April 2019

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

SU(2)L × U(1) symmetry breaking as a radiative effect of supersymmetry breaking in GUTs
journal, April 1982

Gauge hierarchy in a supersymmetric model
journal, February 1982

Supersymmetry, naturalness, and signatures at the CERN LHC
journal, May 2006

Higgs boson physics in the s-channel at μ+μ− colliders
journal, July 1997

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

Invisible decays of Higgs bosons in supersymmetric models
journal, February 1988

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

SusHi: A program for the calculation of Higgs production in gluon fusion and bottom-quark annihilation in the Standard Model and the MSSM
journal, June 2013

Can the mass of the lightest Higgs boson of the minimal supersymmetric model be larger than $m_{Z}$ ?
journal, April 1991

Direct, indirect and collider detection of neutralino dark matter in SUSY models with non-universal Higgs masses
journal, July 2005

SUSY Higgs at the LHC: effects of light charginos and neutralinos
journal, August 2000

Nonuniversal soft supersymmetry breaking and dark matter
journal, September 1997

Weak Scale Supersymmetry
book, January 2006

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

SUSY decays of Higgs particles
journal, May 1996

Supersymmetric Higgs boson decays in the MSSM with explicit CP violation
journal, September 2002

NLO QCD corrections to pseudoscalar Higgs production in the MSSM
journal, August 2011

On the NLO QCD corrections to the production of the heaviest neutral Higgs scalar in the MSSM
journal, June 2012

Search for dark matter in events with a hadronically decaying vector boson and missing transverse momentum in pp collisions at s = 13 $$ \sqrt{s}=13 $$ TeV with the ATLAS detector
journal, October 2018

Dynamical breaking of supersymmetry
journal, October 1981

Weak interaction breakdown induced by supergravity
journal, January 1983

Searching for heavy Higgs in supersymmetric final states at the LHC
journal, April 2021

Implications of precision electroweak experiments for $m_{t}$ , $ρ_{0}$ , ${{sin}^{2} θ}_{W}$ , and grand unification
journal, August 1991

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

Radiative natural supersymmetry: Reconciling electroweak fine-tuning and the Higgs boson mass
journal, June 2013

Decays of Higgs Bosons to Neutralinos and Charginos in the Minimal Supersymmetric Model: Calculation and Phenomenology
journal, August 1987

Prospects for Higgs coupling measurements in SUSY with radiatively-driven naturalness
journal, August 2015

MSSM Higgs boson searches at the LHC: benchmark scenarios for Run 2 and beyond
journal, July 2019

NLO QCD bottom corrections to Higgs boson production in the MSSM
journal, November 2010

Minimal low-energy supergravity
journal, July 1983

How conventional measures overestimate electroweak fine-tuning in supersymmetric theory
journal, November 2013

Naturalness and superpartner masses or when to give up on weak scale supersymmetry
journal, August 1995

Implications of naturalness for the heavy Higgs bosons of supersymmetry
journal, October 2014

Supersymmetry and the scale of unification
journal, September 1981

Probing the desert using gauge coupling unification
journal, May 1991

Search for supersymmetry in final states with two or three soft leptons and missing transverse momentum in proton-proton collisions at $$ \sqrt{s} $$ = 13 TeV
journal, April 2022

Next-to-Next-to-Leading Order Higgs Production at Hadron Colliders
journal, May 2002

The locally supersymmetric geometrical hierarchy model
journal, October 1983

Aspects of Grand Unified Models with Softly Broken Supersymmetry
journal, September 1982

Search for top squark pair production in pp collisions at s = 13 $$ \sqrt{s}=13 $$ TeV using single lepton events
journal, October 2017

Higgs bosons in supersymmetric models (III). Decays into neutralinos and charginos
journal, September 1988

Search for supersymmetry in proton-proton collisions at 13 TeV using identified top quarks
journal, January 2018

Exploration of the MSSM with non-universal Higgs masses
journal, March 2003

Radiative Natural Supersymmetry with a 125 GeV Higgs Boson
journal, October 2012

On the generalized harmonic polylogarithms of one complex variable
journal, June 2011

SUSY models under siege: LHC constraints and electroweak fine-tuning
journal, June 2014

RunDec: a Mathematica package for running and decoupling of the strong coupling and quark masses
journal, December 2000

Higgs boson production in bottom quark fusion at next-to-next-to-leading order
journal, July 2003

Upper bounds on sparticle masses from naturalness or how to disprove weak scale supersymmetry
journal, February 2016

Study of MSSM heavy Higgs bosons decaying into charginos and neutralinos
journal, October 2016

Natural SUSY endures
journal, September 2012

Naturalness constraints in supersymmetric theories with non-universal soft terms
journal, September 1995

Comparison of grand unified theories with electroweak and strong coupling constants measured at LEP
journal, May 1991

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

Color-singlet production at NNLO in MCFM
journal, December 2016

What hadron collider is required to discover or falsify natural supersymmetry?
journal, November 2017

The MSSM parameter space with non-universal Higgs masses
journal, July 2002

Search for new phenomena with the $$M_{\mathrm {T2}}$$ M T 2 variable in the all-hadronic final state produced in proton–proton collisions at $$\sqrt{s} = 13$$ s = 13 $$\,\text {TeV}$$ TeV
journal, October 2017

Searches for electroweak production of supersymmetric particles with compressed mass spectra in $\sqrt{s} = 13 TeV$ $p p$ collisions with the ATLAS detector
journal, March 2020

Two-loop light fermion contribution to Higgs production and decays
journal, August 2004