Search for Higgsino pair production in $pp$ collisions at $\sqrt{s}$ = 13  TeV in final states with large missing transverse momentum and two Higgs bosons decaying via $H \to b \bar b$

Results are reported from a search for new physics in 13 TeV proton-proton collisions in the final state with large missing transverse momentum and two Higgs bosons decaying via H→bb¯. The search uses a data sample accumulated by the CMS experiment at the LHC in 2016, corresponding to an integrated luminosity of 35.9 fb-1. The search is motivated by models based on gauge-mediated supersymmetry breaking, which predict the electroweak production of a pair of Higgsinos, each of which can decay via a cascade process to a Higgs boson and an undetected lightest supersymmetric particle. The observed event yields in the signal regions are consistent with the standard model background expectation obtained from control regions in data. Higgsinos in the mass range 230–770 GeV are excluded at 95% confidence level in the context of a simplified model for the production and decay of approximately degenerate Higgsinos.

Note:

Replaced with the published version. Added the journal reference and DOI. All the figures and tables, including additional supplementary figures and tables, can be found at http://cms-results.web.cern.ch/cms-results/public-results/publications/SUS-16-044 (CMS Public Pages)

p p: colliding beams
transverse momentum: missing-energy
p p: scattering
new physics: search for
supersymmetry: symmetry breaking
mediation: gauge
Higgs particle: hadronic decay
bottom: pair production
bottom: particle identification
electroweak interaction

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Search for Higgsino pair production in pppppp collisions at s\sqrt{s}s​ = 13 TeV in final states with large missing transverse momentum and two Higgs bosons decaying via H→bbˉH \to b \bar bH→bbˉ

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Search for Higgsino pair production in $pp$ collisions at $\sqrt{s}$ = 13 TeV in final states with large missing transverse momentum and two Higgs bosons decaying via $H \to b \bar b$