LHC SUSY and WIMP dark matter searches confront the string theory landscape

Baer, Howard; Barger, Vernon; Salam, Shadman; Serce, Hasan; Sinha, Kuver

doi:10.1007/JHEP04(2019)043

Title: LHC SUSY and WIMP dark matter searches confront the string theory landscape

Abstract

The string theory landscape of vacua solutions provides physicists with some understanding as to the magnitude of the cosmological constant. Similar reasoning can be applied to the magnitude of the soft SUSY breaking terms in supersymmetric models of particle physics: there appears to be a statistical draw towards large soft terms which is tempered by the anthropic requirement of the weak scale lying not too far from ~100 GeV. For a mild statistical draw of m softn with n = 1 (as expected from SUSY breaking due to a single F term) then the light Higgs mass is preferred at ~125 GeV while sparticles are all pulled beyond LHC bounds. We confront a variety of LHC and WIMP dark matter search limits with the statistical expectations from a fertile patch of string theory landscape. The end result is that LHC and WIMP dark matter detectors see exactly that which is expected from the landscape: a Standard Model-like Higgs boson of mass 125 GeV but as yet no sign of sparticles or WIMP dark matter. SUSY from the n = 1 landscape is most likely to emerge at LHC in the soft opposite-sign dilepton plus jet plus MET channel. Multi-ton noblemore »« less

Authors:

^[1]; Barger, Vernon; Salam, Shadman; Serce, Hasan; Sinha, Kuver

University of Oklahoma

Publication Date:: Thu Apr 04 00:00:00 EDT 2019

Research Org.:: Univ. of Oklahoma, Norman, OK (United States)

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

OSTI Identifier:: 1600529

Report Number(s):: arXiv:1901.11060
Journal ID: ISSN 1029-8479; arXiv:1901.11060; TRN: US2103559

Grant/Contract Number:: SC0009956

Resource Type:: Accepted Manuscript

Journal Name:: Journal of High Energy Physics (Online)

Additional Journal Information:: Journal Name: Journal of High Energy Physics (Online); Journal Volume: 2019; Journal Issue: 4; Journal ID: ISSN 1029-8479

Publisher:: Springer Berlin

Country of Publication:: United States

Language:: English

Subject:: 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; supersymmetry; LHC; dark matter; string theory

Citation Formats


                    Baer, Howard, Barger, Vernon, Salam, Shadman, Serce, Hasan, and Sinha, Kuver. LHC SUSY and WIMP dark matter searches confront the string theory landscape.  United States: N. p., 2019. 
Web.  doi:10.1007/JHEP04(2019)043.

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                    Baer, Howard, Barger, Vernon, Salam, Shadman, Serce, Hasan, & Sinha, Kuver. LHC SUSY and WIMP dark matter searches confront the string theory landscape.  United States.  https://doi.org/10.1007/JHEP04(2019)043

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                    Baer, Howard, Barger, Vernon, Salam, Shadman, Serce, Hasan, and Sinha, Kuver. Thu .  
"LHC SUSY and WIMP dark matter searches confront the string theory landscape".  United States.  https://doi.org/10.1007/JHEP04(2019)043.  https://www.osti.gov/servlets/purl/1600529.

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@article{osti_1600529,

  title        = {LHC SUSY and WIMP dark matter searches confront the string theory landscape},

  author       = {Baer, Howard and Barger, Vernon and Salam, Shadman and Serce, Hasan and Sinha, Kuver},

  abstractNote = {The string theory landscape of vacua solutions provides physicists with some understanding as to the magnitude of the cosmological constant. Similar reasoning can be applied to the magnitude of the soft SUSY breaking terms in supersymmetric models of particle physics: there appears to be a statistical draw towards large soft terms which is tempered by the anthropic requirement of the weak scale lying not too far from ~100 GeV. For a mild statistical draw of m softn with n = 1 (as expected from SUSY breaking due to a single F term) then the light Higgs mass is preferred at ~125 GeV while sparticles are all pulled beyond LHC bounds. We confront a variety of LHC and WIMP dark matter search limits with the statistical expectations from a fertile patch of string theory landscape. The end result is that LHC and WIMP dark matter detectors see exactly that which is expected from the landscape: a Standard Model-like Higgs boson of mass 125 GeV but as yet no sign of sparticles or WIMP dark matter. SUSY from the n = 1 landscape is most likely to emerge at LHC in the soft opposite-sign dilepton plus jet plus MET channel. Multi-ton noble liquid WIMP detectors should be able to completely explore the n = 1 landscape parameter space.},

  doi          = {10.1007/JHEP04(2019)043},

  journal      = {Journal of High Energy Physics (Online)},

  number       = 4,

  volume       = 2019,

  place        = {United States},

  year         = {Thu Apr 04 00:00:00 EDT 2019},

  month        = {Thu Apr 04 00:00:00 EDT 2019}

}

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After completion of LHC Run 2, the ATLAS and CMS experiments had collected of order 139 fb^–1 of data at √s = 13 TeV. While discovering a very Standard Model-like Higgs boson of mass m_h ≃ 125 GeV, no solid signal for physics beyond the Standard Model has emerged so far at LHC. In addition, no WIMP signals have emerged so far at ton-scale noble liquid WIMP search experiments. For the case of weak scale supersymmetry (SUSY), which is touted as a simple and elegant solution to the gauge hierarchy problem and likely low energy limit of compactified string theory,more »« less
https://doi.org/10.1140/epjst/e2020-000020-x

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Naturalness versus stringy naturalness with implications for collider and dark matter searches

Journal Article Baer, Howard ; Barger, Vernon ; Salam, Shadman - Physical Review Research

The notion of stringy naturalness-- that an observablemore »« less
https://doi.org/10.1103/PhysRevResearch.1.023001
Supersymmetric particle and Higgs boson masses from the landscape: Dynamical versus spontaneous supersymmetry breaking

Journal Article Baer, Howard ; Barger, Vernon ; Salam, Shadman ; ... - Physical Review D

Perturbative supersymmetry breaking on the landscape of string vacua is expected to favor large soft terms as a power-law or log distribution, but tempered by an anthropic veto of inappropriate vacua or vacua leading to too large a value for the derived weak scale, which is a violation of the atomic principle. Indeed, scans of such vacua yield a statistical prediction for light Higgs boson mass m_h ~ 125 GeV with sparticles (save possibly light Higgsinos) typically beyond LHC reach. In contrast, models of dynamical supersymmetry (SUSY) breaking (DSB)—with a hidden sector gauge coupling g² scanned uniformly—lead to gaugino condensation and a uniform distribution of soft parameters on a log scale. Then soft terms are expected to be distributed asmore »« less
https://doi.org/10.1103/PhysRevD.104.115025

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Title: LHC SUSY and WIMP dark matter searches confront the string theory landscape

Abstract

Citation Formats

Anthropic Bound on the Cosmological Constant journal, November 1987

Coupled Boltzmann computation of mixed axion neutralino dark matter in the SUSY DFSZ axion model journal, October 2014

Prospects for axion detection in natural SUSY with mixed axion-higgsino dark matter: back to invisible? journal, June 2017

The Higgs mass and natural supersymmetric spectrum from the landscape journal, July 2016

Hidden SUSY at the LHC: the light higgsino-world scenario and the role of a lepton collider journal, November 2011

Gluino reach and mass extraction at the LHC in radiatively-driven natural SUSY journal, July 2017

Direct and indirect detection of higgsino-like WIMPs: Concluding the story of electroweak naturalness journal, October 2013

Search for new physics in events with two soft oppositely charged leptons and missing transverse momentum in proton–proton collisions at s = 13 TeV journal, July 2018

Is natural higgsino-only dark matter excluded? journal, October 2018

Physics of String Flux Compactifications journal, November 2007

Supersymmetry, Naturalness and the Landscape conference, June 2012

Weak Scale Supersymmetry book, January 2006

Living dangerously with low-energy supersymmetry journal, November 2006

Supersymmetric unification without low energy supersymmetry and signatures for fine-tuning at the LHC journal, June 2005

The String Theory Landscape journal, September 2004

Accessing the core of naturalness, nearly degenerate higgsinos, at the LHC journal, April 2015

The statistics of string/M theory vacua journal, May 2003

Neutralino dark matter in mSUGRA/CMSSM with a 125 GeV light Higgs scalar journal, May 2012

Quantization of four-form fluxes and dynamical neutralization of the cosmological constant journal, May 2000

Hunting quasidegenerate Higgsinos journal, April 2014

Supersymmetry, supergravity, and particle physics conference, January 1986

The cosmological constant problem journal, January 1989

Basic results in vacuum statistics journal, November 2004

Low energy supersymmetry from the landscape journal, August 2008

Higgs and superparticle mass predictions from the landscape journal, March 2018

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

Search for annihilating dark matter in the Sun with 3 years of IceCube data: IceCube Collaboration journal, March 2017

Gravity safe, electroweak natural axionic solution to strong CP and SUSY μ problems journal, March 2019

A Review of Distributions on the String Landscape journal, July 2006

Counting Flux Vacua journal, January 2004

Same-Sign Diboson Signature from Supersymmetry Models with Light Higgsinos at the LHC journal, April 2013

Distributions of flux vacua journal, May 2004

The Cosmological constant problem journal, May 2004

Supersymmetry, supergravity and particle physics journal, August 1984

Strong constraints on the parameter space of the MSSM from charge and color breaking minima journal, July 1996

Viable range of the mass scale of the standard model journal, May 1998

Anthropic Considerations in Multiple-Domain Theories and the Scale of Electroweak Symmetry Breaking journal, March 1998

Constraints on the minimal supergravity model from nonstandard vacua journal, December 1996

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

Study of constrained minimal supersymmetry journal, June 1994

Multichannel search for minimal supergravity at pp¯ and e + e − colliders journal, February 1995

Upper bounds on supersymmetric particle masses journal, August 1988

Challenging weak-scale supersymmetry at colliders journal, March 1996

Naturalness, weak scale supersymmetry, and the prospect for the observation of supersymmetry at the Fermilab Tevatron and at the CERN LHC journal, September 1998

Multi-TeV Scalars are Natural in Minimal Supergravity journal, March 2000

Focus points and naturalness in supersymmetry journal, March 2000

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

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

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

Nonuniversal soft supersymmetry breaking and dark matter journal, September 1997

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

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

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

Reach of the high-energy LHC for gluinos and top squarks in SUSY models with light Higgsinos journal, December 2017

LHC luminosity and energy upgrades confront natural supersymmetry models journal, October 2018

Naturalness implies intra-generational degeneracy for decoupled squarks and sleptons journal, February 2014

Aspects of the same-sign diboson signature from wino pair production with light higgsinos at the high luminosity LHC journal, February 2018

Monojet plus soft dilepton signal from light higgsino pair production at LHC14 journal, December 2014

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

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

Non-thermal Higgsino dark matter, heavy gravitino and 125 GeV Higgs boson in modulus/anomaly-mediated supersymmetric models journal, November 2012

Limits to dark matter annihilation cross-section from a combined analysis of MAGIC and Fermi-LAT observations of dwarf satellite galaxies journal, February 2016

The Cosmological Constant Problem journal, March 2004

The Statistics of String/M Theory Vacua conference, January 2012

The String Theory Landscape journal, January 2006

The string landscape and low energy supersymmetry book, December 2012

Search for annihilating dark matter in the Sun with 3 years of IceCube data text, January 2017

Dark Matter Search Results from a One Ton-Year Exposure of XENON1T text, January 2018

XENON100 Dark Matter Results from a Combination of 477 Live Days text, January 2016

Radiative natural supersymmetry: Reconciling electroweak fine-tuning and the Higgs boson mass text, January 2012

Same sign diboson signature from supersymmetry models with light higgsinos at the LHC text, January 2013

Prospects for Higgs coupling measurements in SUSY with radiatively-driven naturalness text, January 2015

The Higgs mass and natural supersymmetric spectrum from the landscape text, January 2016

The Reach of the High-Energy LHC for Gluinos and Top Squarks in SUSY Models with Light Higgsinos text, January 2017

Aspects of the same-sign diboson signature from wino pair production with light higgsinos at the high luminosity LHC text, January 2017

Is natural higgsino-only dark matter excluded? text, January 2018

LHC luminosity and energy upgrades confront natural supersymmetry models text, January 2018

Anthropic Bound on the Cosmological Constant
journal, November 1987

Coupled Boltzmann computation of mixed axion neutralino dark matter in the SUSY DFSZ axion model
journal, October 2014

Prospects for axion detection in natural SUSY with mixed axion-higgsino dark matter: back to invisible?
journal, June 2017

The Higgs mass and natural supersymmetric spectrum from the landscape
journal, July 2016

Hidden SUSY at the LHC: the light higgsino-world scenario and the role of a lepton collider
journal, November 2011

Gluino reach and mass extraction at the LHC in radiatively-driven natural SUSY
journal, July 2017

Direct and indirect detection of higgsino-like WIMPs: Concluding the story of electroweak naturalness
journal, October 2013

Search for new physics in events with two soft oppositely charged leptons and missing transverse momentum in proton–proton collisions at $\sqrt{s} = 13 TeV$
journal, July 2018

Is natural higgsino-only dark matter excluded?
journal, October 2018

Physics of String Flux Compactifications
journal, November 2007

Supersymmetry, Naturalness and the Landscape
conference, June 2012

Weak Scale Supersymmetry
book, January 2006

Living dangerously with low-energy supersymmetry
journal, November 2006

Supersymmetric unification without low energy supersymmetry and signatures for fine-tuning at the LHC
journal, June 2005

The String Theory Landscape
journal, September 2004

Accessing the core of naturalness, nearly degenerate higgsinos, at the LHC
journal, April 2015

The statistics of string/M theory vacua
journal, May 2003

Neutralino dark matter in mSUGRA/CMSSM with a 125 GeV light Higgs scalar
journal, May 2012

Quantization of four-form fluxes and dynamical neutralization of the cosmological constant
journal, May 2000

Hunting quasidegenerate Higgsinos
journal, April 2014

Supersymmetry, supergravity, and particle physics
conference, January 1986

The cosmological constant problem
journal, January 1989

Basic results in vacuum statistics
journal, November 2004

Low energy supersymmetry from the landscape
journal, August 2008

Higgs and superparticle mass predictions from the landscape
journal, March 2018

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

Search for annihilating dark matter in the Sun with 3 years of IceCube data: IceCube Collaboration
journal, March 2017

Gravity safe, electroweak natural axionic solution to strong CP and SUSY μ problems
journal, March 2019

A Review of Distributions on the String Landscape
journal, July 2006

Counting Flux Vacua
journal, January 2004

Same-Sign Diboson Signature from Supersymmetry Models with Light Higgsinos at the LHC
journal, April 2013

Distributions of flux vacua
journal, May 2004

The Cosmological constant problem
journal, May 2004

Supersymmetry, supergravity and particle physics
journal, August 1984

Strong constraints on the parameter space of the MSSM from charge and color breaking minima
journal, July 1996

Viable range of the mass scale of the standard model
journal, May 1998

Anthropic Considerations in Multiple-Domain Theories and the Scale of Electroweak Symmetry Breaking
journal, March 1998

Constraints on the minimal supergravity model from nonstandard vacua
journal, December 1996

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

Study of constrained minimal supersymmetry
journal, June 1994

Multichannel search for minimal supergravity at pp¯ and $e^{+}$ $e^{-}$ colliders
journal, February 1995

Upper bounds on supersymmetric particle masses
journal, August 1988

Challenging weak-scale supersymmetry at colliders
journal, March 1996

Naturalness, weak scale supersymmetry, and the prospect for the observation of supersymmetry at the Fermilab Tevatron and at the CERN LHC
journal, September 1998

Multi-TeV Scalars are Natural in Minimal Supergravity
journal, March 2000

Focus points and naturalness in supersymmetry
journal, March 2000

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

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

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

Nonuniversal soft supersymmetry breaking and dark matter
journal, September 1997

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

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

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

Reach of the high-energy LHC for gluinos and top squarks in SUSY models with light Higgsinos
journal, December 2017

LHC luminosity and energy upgrades confront natural supersymmetry models
journal, October 2018

Naturalness implies intra-generational degeneracy for decoupled squarks and sleptons
journal, February 2014

Aspects of the same-sign diboson signature from wino pair production with light higgsinos at the high luminosity LHC
journal, February 2018

Monojet plus soft dilepton signal from light higgsino pair production at LHC14
journal, December 2014

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

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

Non-thermal Higgsino dark matter, heavy gravitino and 125 GeV Higgs boson in modulus/anomaly-mediated supersymmetric models
journal, November 2012

Limits to dark matter annihilation cross-section from a combined analysis of MAGIC and Fermi-LAT observations of dwarf satellite galaxies
journal, February 2016

The Cosmological Constant Problem
journal, March 2004

The Statistics of String/M Theory Vacua
conference, January 2012

The String Theory Landscape
journal, January 2006

The string landscape and low energy supersymmetry
book, December 2012

Search for annihilating dark matter in the Sun with 3 years of IceCube data
text, January 2017

Dark Matter Search Results from a One Ton-Year Exposure of XENON1T
text, January 2018

XENON100 Dark Matter Results from a Combination of 477 Live Days
text, January 2016

Radiative natural supersymmetry: Reconciling electroweak fine-tuning and the Higgs boson mass
text, January 2012

Same sign diboson signature from supersymmetry models with light higgsinos at the LHC
text, January 2013

Prospects for Higgs coupling measurements in SUSY with radiatively-driven naturalness
text, January 2015

The Higgs mass and natural supersymmetric spectrum from the landscape
text, January 2016

The Reach of the High-Energy LHC for Gluinos and Top Squarks in SUSY Models with Light Higgsinos
text, January 2017

Aspects of the same-sign diboson signature from wino pair production with light higgsinos at the high luminosity LHC
text, January 2017

Is natural higgsino-only dark matter excluded?
text, January 2018

LHC luminosity and energy upgrades confront natural supersymmetry models
text, January 2018

The MSSM Parameter Space with Non-Universal Higgs Masses
text, January 2002

Exploration of the MSSM with Non-Universal Higgs Masses
text, January 2002

Living Dangerously with Low-Energy Supersymmetry
text, January 2006