Results 121 to 130 of about 28,992 (187)

Energy growth in V L V L → V L V L , V L V L h scattering to probe Higgs cubic and HEFT interactions

open access: yesJournal of High Energy Physics
We compute the energy scales of perturbative unitarity violation in V L V L → V L V L h processes and compare them to V L V L → hhh process, where V L refers to a longitudinal mode of Z or W boson, and h the Higgs boson.
Shameran Mahmud, Kohsaku Tobioka
doaj   +1 more source

e + e − → ZH process in the SMEFT beyond leading order

open access: yesJournal of High Energy Physics
We systematically study potential effects of Beyond the Standard Model physics in the e + e − → ZH process. To this end, we include all relevant dimension-6 Standard Model Effective Field Theory operators and work to next-to-leading order (NLO) accuracy ...
Konstantin Asteriadis   +3 more
doaj   +1 more source

A log story short: running contributions to radiative Higgs decays in the SMEFT

open access: yesJournal of High Energy Physics
We investigate the renormalization of the radiative decays of the Higgs to two gauge bosons in the Standard Model Effective Field Theory at mass dimension eight.
Christophe Grojean   +3 more
doaj   +1 more source

Exotic h → Za Higgs decays into τ leptons

open access: yesJournal of High Energy Physics
Exotic Higgs decays are among the most promising areas to be explored at the High-Luminosity LHC, given the unprecedentedly large amount (~ 3 × 108) of 125 GeV Higgs bosons that will be produced. In this context, we propose a new search channel for which
M. Cepeda   +4 more
doaj   +1 more source

Lepton flavor violation in Higgs boson decays at the HL-LHC

open access: yesJournal of High Energy Physics
We explore the discovery potential for lepton flavor-violating Higgs boson decays, h → ℓ i ℓ j (ℓ i ≠ ℓ j ; ℓ = e, μ, τ), in proton-proton collisions.
Marco A. Arroyo-Ureña   +3 more
doaj   +1 more source

Probing the CP structure of the top quark Yukawa at the future muon collider

open access: yesJournal of High Energy Physics
We study the top-Higgs coupling with a CP violating phase ξ at a future multi-TeV muon collider. We focus on processes that are directly sensitive to the top quark Yukawa coupling: t t ¯ h $$ t\overline{t}h $$ , tbhμν, and t t ¯ hν ν ¯ $$ t\overline{t} h\
Morgan E. Cassidy   +5 more
doaj   +1 more source

Axion dark matter: What is it and why now? [PDF]

open access: yesSci Adv, 2022
Chadha-Day F, Ellis J, Marsh DJE.
europepmc   +1 more source

On the impact of the mixed Z/γ PDF at muon colliders

open access: yesJournal of High Energy Physics
We study the role of the Z/γ-interference parton distribution function (PDF) in high-energy muon colliders. We review how this PDF emerges when electroweak interactions are applied to the collinear splitting process and show that the leading-order ...
David Marzocca, Alfredo Stanzione
doaj   +1 more source

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