Likelihood analysis of supersymmetric SU(5) GUTs

Bagnaschi, E.; Costa, J. C.; Sakurai, K.; Borsato, M.; Buchmueller, O.; Cavanaugh, R.; Chobanova, V.; Citron, M.; De Roeck, A.; Dolan, M. J.; Ellis, J. R.; Flächer, H.; Heinemeyer, S.; Isidori, G.; Lucio, M.; Martínez Santos, D.; Olive, K. A.; Richards, A.; de Vries, K. J.; Weiglein, G.

doi:10.1140/epjc/s10052-017-4639-6

Title: Likelihood analysis of supersymmetric SU(5) GUTs

Abstract

Here, we perform a likelihood analysis of the constraints from accelerator experiments and astrophysical observations on supersymmetric (SUSY) models with SU(5) boundary conditions on soft SUSY-breaking parameters at the GUT scale. The parameter space of the models studied has 7 parameters: a universal gaugino mass $$m_{1/2}$$, distinct masses for the scalar partners of matter fermions in five- and ten-dimensional representations of SU(5), $$m_5$$ and $$m_{10}$$, and for the $$\mathbf{5}$$ and $$\mathbf{\bar 5}$$ Higgs representations $$m_{H_u}$$ and $$m_{H_d}$$, a universal trilinear soft SUSY-breaking parameter $$A_0$$, and the ratio of Higgs vevs $$\tan \beta$$. In addition to previous constraints from direct sparticle searches, low-energy and flavour observables, we incorporate constraints based on preliminary results from 13 TeV LHC searches for jets + MET events and long-lived particles, as well as the latest PandaX-II and LUX searches for direct Dark Matter detection. In addition to previously-identified mechanisms for bringing the supersymmetric relic density into the range allowed by cosmology, we identify a novel $${\tilde u_R}/{\tilde c_R} - \tilde{\chi}^0_1$$ coannihilation mechanism that appears in the supersymmetric SU(5) GUT model and discuss the role of $${\tilde \nu_\tau}$$ coannihilation. We find complementarity between the prospects for direct Dark Matter detection and SUSY searches at the LHC.

Publication Date:: Thu Feb 16 00:00:00 EST 2017

Research Org.:: Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)

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

OSTI Identifier:: 1344018

Alternate Identifier(s):: OSTI ID: 1343970

Report Number(s):: CERN-PH-TH-2016-217; KCL-PH-TH-2016-57; CERN-TH-2016-217; DESY-16-156; IIFT-UAM-CSIC-16-105; FTPI-MINN-16-29; UMN-TH-3609-16; IPPP-16-97; FERMILAB-PUB-16-453-CMS; arXiv:1610.10084
Journal ID: ISSN 1434-6044; 104; PII: 4639

Grant/Contract Number:: sc0011842; AC02-07CH11359

Resource Type:: Published Article

Journal Name:: European Physical Journal. C, Particles and Fields

Additional Journal Information:: Journal Name: European Physical Journal. C, Particles and Fields Journal Volume: 77 Journal Issue: 2; Journal ID: ISSN 1434-6044

Publisher:: Springer Science + Business Media

Country of Publication:: Germany

Language:: English

Subject:: 79 ASTRONOMY AND ASTROPHYSICS; 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats


                    Bagnaschi, E., Costa, J. C., Sakurai, K., Borsato, M., Buchmueller, O., Cavanaugh, R., Chobanova, V., Citron, M., De Roeck, A., Dolan, M. J., Ellis, J. R., Flächer, H., Heinemeyer, S., Isidori, G., Lucio, M., Martínez Santos, D., Olive, K. A., Richards, A., de Vries, K. J., and Weiglein, G. Likelihood analysis of supersymmetric SU(5) GUTs.  Germany: N. p., 2017. 
Web.  doi:10.1140/epjc/s10052-017-4639-6.

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                    Bagnaschi, E., Costa, J. C., Sakurai, K., Borsato, M., Buchmueller, O., Cavanaugh, R., Chobanova, V., Citron, M., De Roeck, A., Dolan, M. J., Ellis, J. R., Flächer, H., Heinemeyer, S., Isidori, G., Lucio, M., Martínez Santos, D., Olive, K. A., Richards, A., de Vries, K. J., & Weiglein, G. Likelihood analysis of supersymmetric SU(5) GUTs.  Germany.  https://doi.org/10.1140/epjc/s10052-017-4639-6

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                    Bagnaschi, E., Costa, J. C., Sakurai, K., Borsato, M., Buchmueller, O., Cavanaugh, R., Chobanova, V., Citron, M., De Roeck, A., Dolan, M. J., Ellis, J. R., Flächer, H., Heinemeyer, S., Isidori, G., Lucio, M., Martínez Santos, D., Olive, K. A., Richards, A., de Vries, K. J., and Weiglein, G. Thu .  
"Likelihood analysis of supersymmetric SU(5) GUTs".  Germany.  https://doi.org/10.1140/epjc/s10052-017-4639-6.

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@article{osti_1344018,

  title        = {Likelihood analysis of supersymmetric SU(5) GUTs},

  author       = {Bagnaschi, E. and Costa, J. C. and Sakurai, K. and Borsato, M. and Buchmueller, O. and Cavanaugh, R. and Chobanova, V. and Citron, M. and De Roeck, A. and Dolan, M. J. and Ellis, J. R. and Flächer, H. and Heinemeyer, S. and Isidori, G. and Lucio, M. and Martínez Santos, D. and Olive, K. A. and Richards, A. and de Vries, K. J. and Weiglein, G.},

  abstractNote = {Here, we perform a likelihood analysis of the constraints from accelerator experiments and astrophysical observations on supersymmetric (SUSY) models with SU(5) boundary conditions on soft SUSY-breaking parameters at the GUT scale. The parameter space of the models studied has 7 parameters: a universal gaugino mass $m_{1/2}$, distinct masses for the scalar partners of matter fermions in five- and ten-dimensional representations of SU(5), $m_5$ and $m_{10}$, and for the $\mathbf{5}$ and $\mathbf{\bar 5}$ Higgs representations $m_{H_u}$ and $m_{H_d}$, a universal trilinear soft SUSY-breaking parameter $A_0$, and the ratio of Higgs vevs $\tan \beta$. In addition to previous constraints from direct sparticle searches, low-energy and flavour observables, we incorporate constraints based on preliminary results from 13 TeV LHC searches for jets + MET events and long-lived particles, as well as the latest PandaX-II and LUX searches for direct Dark Matter detection. In addition to previously-identified mechanisms for bringing the supersymmetric relic density into the range allowed by cosmology, we identify a novel ${\tilde u_R}/{\tilde c_R} - \tilde{\chi}^0_1$ coannihilation mechanism that appears in the supersymmetric SU(5) GUT model and discuss the role of ${\tilde \nu_\tau}$ coannihilation. We find complementarity between the prospects for direct Dark Matter detection and SUSY searches at the LHC.},

  doi          = {10.1140/epjc/s10052-017-4639-6},

  journal      = {European Physical Journal. C, Particles and Fields},

  number       = 2,

  volume       = 77,

  place        = {Germany},

  year         = {Thu Feb 16 00:00:00 EST 2017},

  month        = {Thu Feb 16 00:00:00 EST 2017}

}

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Figures / Tables:

Table 1: List of experimental constraints used in this work, including experimental and (where applicable) theoretical errors: supersymmetric theory uncertainties are indicated separately. Instances where our implementations differ from those in Table 1 in [15] are indicated by arrows and boldface

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Likelihood analysis of the sub-GUT MSSM in light of LHC 13-TeV data

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We describe a likelihood analysis using MasterCode of variants of the MSSM in which the soft supersymmetry-breaking parameters are assumed to have universal values at some scale M_in below the supersymmet-ric grand unification scale M_GUT, as can occur in mirage mediation and other models. In addition to M_in, such ‘sub-GUT’ models have the 4 parameters of the CMSSM, namely a common gaugino mass m_1/2, a common soft supersymmetry-breaking scalar mass m₀, a common trilinear mixing parameter A and the ratio of MSSM Higgs vevs tan β, assuming that the Higgs mixing parameter μ> 0. We take into account constraints on strongly- and electroweakly-interacting sparticles from ~ 36/fb of LHC data at 13 TeV and the LUX and 2017 PICO, XENON1T and PandaX-II searches for dark matter scattering, in addition to the previous LHC and dark matter constraints as well as full sets of flavour and electroweak constraints. We find a preference for Min ~ 10⁵ to 10⁹ GeV, with M_in ~ M_GUT disfavoured by Δχ² ~ 3 due to the BR(B_s,d → μ⁺μ^-) constraint. The lower limits on strongly-interacting sparticles are largely determined by LHC searches, and similar to those in the CMSSM. We find a preference for the LSP to be a Bino or Higgsino with mmore »« less
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Title: Likelihood analysis of supersymmetric SU(5) GUTs

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Muon ( g − 2): experiment and theory journal, April 2007

Relic density of neutralino dark matter in supergravity models journal, March 1998

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Big-bang nucleosynthesis with long-lived charged slepton
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Constraining supersymmetry using the relic density and the Higgs boson
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The CMSSM and NUHM1 in light of 7 TeV LHC, B s →μ + μ − and XENON100 data
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Neutralino cold dark matter in a one-parameter extension of the minimal supergravity model
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Particle Physics Catalysis of Thermal Big Bang Nucleosynthesis
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HiggsBounds: Confronting arbitrary Higgs sectors with exclusion bounds from LEP and the Tevatron
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Towards high-precision predictions for the MSSM Higgs sector
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Multi-TeV Scalars are Natural in Minimal Supergravity
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Big-bang nucleosynthesis with a long-lived charged massive particle including ${}^{4}{He}$ spallation processes
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Supersymmetry without prejudice at the LHC
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Dark matter and collider signatures of the MSSM
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Multimodal nested sampling: an efficient and robust alternative to Markov Chain Monte Carlo methods for astronomical data analyses: Multimodal nested sampling
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HiggsBounds 2.0.0: Confronting neutral and charged Higgs sector predictions with exclusion bounds from LEP and the Tevatron
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in supersymmetric guts: Super flavour-meter
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Neutralino dark matter in focus point supersymmetry
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Killing the cMSSM softly
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Constrained supersymmetry after two years of LHC data: a global view with Fittino
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Probing the Standard Model with Higgs signal rates from the Tevatron, the LHC and a future ILC
journal, November 2014

Benchmark models, planes, lines and points for future SUSY searches at the LHC
journal, December 2011

Final report of the E821 muon anomalous magnetic moment measurement at BNL
journal, April 2006

Long-lived bino and wino in supersymmetry with heavy scalars and higgsinos
journal, November 2015

Dark matter allowed scenarios for Yukawa-unified SO(10) SUSY GUTs
journal, March 2008

FeynHiggs: A program for the calculation of MSSM Higgs-boson observables – Version 2.6.5
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Cosmic ${}^{6}{Li}$ and ${}^{7}{Li}$ problems and BBN with long-lived charged massive particles
journal, March 2008

Prospects for dark matter searches in the pMSSM
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The pMSSM10 after LHC run 1
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Direct, indirect and collider detection of neutralino dark matter in SUSY models with non-universal Higgs masses
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New cosmological and experimental constraints on the CMSSM
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Indirect and direct detection prospect for TeV dark matter in the nine parameter MSSM
journal, August 2015

Constrained MSSM favoring new territories: The impact of new LHC limits and a 125 GeV Higgs boson
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Primordial lithium abundance in catalyzed big bang nucleosynthesis
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Updated global fits of the cMSSM including the latest LHC SUSY and Higgs searches and XENON100 data
journal, March 2012

Precise Determination of $| V_{u s} |$ from Lattice Calculations of Pseudoscalar Decay Constants
journal, December 2004

Fastlim: a fast LHC limit calculator
journal, November 2014

The NUHM2 after LHC Run 1
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Against tachyophobia
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Supersymmetric dark matter after LHC run 1
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Implication of neutrino backgrounds on the reach of next generation dark matter direct detection experiments
journal, January 2014

Global fits of the cMSSM and NUHM including the LHC Higgs discovery and new XENON100 constraints
journal, April 2013

Inclusive B ¯ → X s ℓ + ℓ − $$ \overline{B}\to {X}_s{\ell}^{+}{\ell}^{-} $$ : complete angular analysis and a thorough study of collinear photons
journal, June 2015

ε′/ε and rare K and B decays in the MSSM
journal, January 2001

Reevaluation of the hadronic contributions to the muon g−2 and to $\alpha (M^{2}_{Z})$
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FeynHiggs: a program for the calculation of the masses of the neutral -even Higgs bosons in the MSSM
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Global analysis of the pMSSM in light of the Fermi GeV excess: prospects for the LHC Run-II and astroparticle experiments
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What next for the CMSSM and the NUHM: improved prospects for superpartner and dark matter detection
journal, August 2014

Naturalness of light neutralino dark matter in pMSSM after LHC, XENON100 and Planck data
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Dissecting jets and missing energy searches using n-body extended simplified models
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Simplified models for exotic BSM searches
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Supersymmetry in light of 1/fb of LHC data
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Bounds on long-lived charged massive particles from Big Bang nucleosynthesis
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Constraints on the minimal supergravity model and prospects for SUSY particle production at future linear e ⁺ e ⁻ colliders
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Physics at the $$e^+ e^-$$ e + e - linear collider
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The CMSSM and NUHM1 after LHC Run 1
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Precise prediction for M _W in the MSSM
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Implications of improved Higgs mass calculations for supersymmetric models
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Supersymmetric dark matter in the light of LEP 1.5
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Revisiting the Higgs mass and dark matter in the CMSSM
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The muon g−2
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Discovery reach for generic supersymmetry at the LHC: M T2 versus missing transverse momentum selections for pMSSM searches
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Exact Cross Sections for the Neutralino-Slepton Coannihilation
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Yukawa unified supersymmetric $SO (10)$ model: Cosmology, rare decays, and collider searches
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Natural SUSY endures
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Bound-state effects on light-element abundances in gravitino dark matter scenarios
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An update of the constraints on the phenomenological MSSM from the new LHC Higgs results
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HiggsBounds-4: improved tests of extended Higgs sectors against exclusion bounds from LEP, the Tevatron and the LHC
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The Large-Sample Distribution of the Likelihood Ratio for Testing Composite Hypotheses
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Matplotlib: A 2D Graphics Environment
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Z pole observables in the MSSM
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NLO+NLL squark and gluino production cross sections with threshold-improved parton distributions
journal, January 2016

Coannihilation effects in supergravity and D-brane models
journal, July 2001

Three exceptions in the calculation of relic abundances
journal, May 1991

Metastable charged sparticles and the cosmological ⁷ Li problem
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Muon ( g − 2): experiment and theory
journal, April 2007

Relic density of neutralino dark matter in supergravity models
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‘Stop’ that ambulance! New physics at the LHC?
journal, December 2014

Supersymmetric dark matter and Yukawa unification
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Interpreting LHC SUSY searches in the phenomenological MSSM
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SUSY Les Houches Accord: Interfacing SUSY Spectrum Calculators, Decay Packages, and Event Generators
journal, July 2004

SDECAY: a Fortran code for the decays of the supersymmetric particles in the MSSM
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