Results 21 to 30 of about 932,507 (267)

Employing nucleon decay as a fingerprint of SUSY GUT models using SusyTCProton

open access: yesJournal of High Energy Physics, 2021
While the observation of nucleon decay would be a smoking gun of Grand Unified Theories (GUTs) in general, the ratios between the decay rates of the various channels carry rich information about the specific GUT model realization.
Stefan Antusch   +2 more
doaj   +1 more source

Probing compressed dark sectors at 100 TeV in the dileptonic mono-Z channel

open access: yesJournal of High Energy Physics, 2018
We examine the sensitivity at a future 100 TeV proton-proton collider to compressed dark sectors whose decay products are invisible due to below-threshold energies and/or small couplings to the Standard Model.
Rakhi Mahbubani, José Zurita
doaj   +1 more source

Minimal non-abelian supersymmetric Twin Higgs

open access: yesJournal of High Energy Physics, 2017
We propose a minimal supersymmetric Twin Higgs model that can accommodate tuning of the electroweak scale for heavy stops better than 10% with high mediation scales of supersymmetry breaking.
Marcin Badziak, Keisuke Harigaya
doaj   +1 more source

Comparatively light extra Higgs states as signature of SUSY SO(10) GUTs with 3rd family Yukawa unification

open access: yesJournal of High Energy Physics, 2020
We study 3rd family Yukawa unification in the context of supersymmetric (SUSY) SO (10) GUTs and SO(10)-motivated boundary conditions for the SUSY-breaking soft terms.
Stefan Antusch   +2 more
doaj   +1 more source

Indirect probe of electroweakly interacting particles at the high-luminosity Large Hadron Collider

open access: yesJournal of High Energy Physics, 2018
Many extensions of the standard model (SM) involve new massive particles charged under the electroweak gauge symmetry. The electroweakly interacting new particles affect various SM processes through radiative corrections.
Shigeki Matsumoto   +2 more
doaj   +1 more source

Impact of an extra gauge interaction on naturalness of supersymmetry

open access: yesJournal of High Energy Physics, 2018
It is pointed out that in supersymmetric models with a new gauge symmetry under which the Higgs is charged, the fine-tuning of the electroweak symmetry breaking is relaxed due to suppression of the top Yukawa coupling at higher scales by a new large ...
Marcin Badziak, Keisuke Harigaya
doaj   +1 more source

Interference effects in dilepton resonance searches for Z′ bosons and dark matter mediators

open access: yesJournal of High Energy Physics, 2020
New Z′ gauge bosons arise in many extensions of the Standard Model and predict resonances in the dilepton invariant mass spectrum. Searches for such resonances therefore provide important constraints on many models of new physics, but the resulting ...
Felix Kahlhoefer   +3 more
doaj   +1 more source

Interpreting the electron EDM constraint

open access: yesJournal of High Energy Physics, 2019
The ACME collaboration has recently announced a new constraint on the electron EDM, |d e | < 1.1 × 10−29 e cm, from measurements of the ThO molecule. This is a powerful constraint on CP-violating new physics: even new physics generating the EDM at two ...
Cari Cesarotti   +4 more
doaj   +1 more source

Constraining the gauge and scalar sectors of the doublet left-right symmetric model

open access: yesJournal of High Energy Physics, 2020
We consider a left-right symmetric extension of the Standard Model where the spontaneous breakdown of the left-right symmetry is triggered by doublets. The electroweak ρ parameter is protected from large corrections in this Doublet Left-Right Model (DLRM)
Véronique Bernard   +2 more
doaj   +1 more source

Charged fermions below 100 GeV

open access: yesJournal of High Energy Physics, 2018
How light can a fermion be if it has unit electric charge? We revisit the lore that LEP robustly excludes charged fermions lighter than about 100 GeV.
Daniel Egana-Ugrinovic   +2 more
doaj   +1 more source

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