LHC constraints on color octet scalars

Abstract

We extract constraints on the parameter space of the MW model by comparing the cross-sections for dijet, top-pair, dijet-pair, $t\bar{t}t\bar{t}$ and $b\bar{b}b\bar{b}$ productions at the LHC with the strongest available experimental limits from ATLAS or CMS at 8 or 13 TeV. Overall we find that masses below 1 TeV have not been excluded for color octet scalars as it is often claimed in the literature. The constraints that can be placed on coupling constants are typically weaker than those from existing theoretical considerations, with the exception of the parameter ${\eta }_D$.

16 pages, 9 figures (matches version accepted)

References in corpus (16)

• The automated computation of tree-level and next-to-leading order differential cross sections, and their matching to parton shower simulations
• FeynRules - Feynman rules made easy
• Search for new phenomena in the dijet mass distribution using $p-p$ collision data at $\sqrt{s}=8$ TeV with the ATLAS detector
• Flavor Changing Neutral Currents, an Extended Scalar Sector, and the Higgs Production Rate at the LHC
• Search for dijet resonances in proton-proton collisions at sqrt(s) = 13 TeV and constraints on dark matter and other models
• Colored Resonant Signals at the LHC: Largest Rate and Simplest Topology
• Search for narrow resonances in dijet final states at sqrt(s) = 8 TeV with the novel CMS technique of data scouting
• Color-octet scalars at the LHC
• Massive color-octet bosons and pairs of resonances at hadron colliders
• Heavy octets and Tevatron signals with three or four b jets
• Color Octet Scalar Production at the LHC
• Di-boson signatures as Standard Candles for Partial Compositeness
• Automated next-to-leading order predictions for new physics at the LHC: the case of colored scalar pair production
• Probing top-philic sgluons with LHC Run I data
• Two Higgs doublet models augmented by a scalar color octet
• Top and bottom tensor couplings from a color octet scalar

Cited by in corpus (22)

• Cornering sgluons with four-top-quark events
• Bound-state dark matter and Dirac neutrino mass
• Top-philic heavy resonances in four-top final states and their EFT interpretation
• The QCD Axion and Unification
• Changing patterns in electroweak precision with new color-charged states: Oblique corrections and the $W$ boson mass
• LHC bounds on coloured scalars
• Colorful Imprints of Heavy States in the Electroweak Effective Theory
• Viable quark-lepton Yukawa ratios and nucleon decay predictions in $SU(5)$ GUTs with type-II seesaw
• Renormalizable SU(5) Completions of a Zee-type Neutrino Mass Model
• New theoretical constraints on scalar color octet models
• Phenomenology of neutron-antineutron conversion
• Constraints on coloured scalars from global fits
• Color-octet scalar decays to a gluon and an electroweak gauge boson in the Manohar-Wise model
• LHC constraints on $W^{\prime },Z^{\prime }$ that couple mainly to third generation fermions
• Electric dipole moments from colour-octet scalars
• Jet-associated resonance spectroscopy
• Gauge coupling unification and proton decay via 45 Higgs boson in SU(5) GUT
• On long-lived electroweak-singlet coloured scalars
• Fingerprinting the contribution of colored scalars to the $H^{+}{W}^{-}Z(\gamma )$ vertex
• Searching for top-philic heavy resonances in boosted four-top final states
• Strong-Weak Bi-Adjoints, Gluon-W resonances, and new asymmetric LHC production processes
• Low scale trinification symmetry through effects of dimension-5 operators in $E_6$ grand unified theory with and without supersymmetry