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- Seoul National UniversityKR143 papers
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13 papers · 2 filters
Interference effects of two scalar boson propagators on the LHC search for the singlet fermion DM
P. Ko, Jinmian Li
A gauge invariant UV-completion for singlet fermion DM interacting with the standard model (SM) particles involves a new singlet scalar. Therefore the model contains two scalar med…
Nonthermal Gravitino Production after Large Field Inflation
Yohei Ema, Kyohei Mukaida, Kazunori Nakayama +1
We revisit the nonthermal gravitino production at the (p)reheating stage after inflation. Particular attention is paid to large field inflation models with a symmetr…
Boosting the charged Higgs search prospects using jet substructure at the LHC
Jinmian Li, Riley Patrick, Pankaj Sharma +1
Charged Higgs bosons are predicted in variety of theoretically well-motivated new physics models with extended Higgs sectors. In this study, we focus on a type-II two Higgs doublet…
Residual Non-Abelian Dark Matter and Dark Radiation
P. Ko, Yong Tang
We propose a novel particle physics model in which vector dark matter (VDM) and dark radiation (DR) originate from the same non-Abelian dark sector. We show an illustrating example…
Precise Higgs mass calculations in (non-)minimal supersymmetry at both high and low scales
Peter Athron, Jae-hyeon Park, Tom Steudtner +2
We present FlexibleEFTHiggs, a method for calculating the SM-like Higgs pole mass in SUSY (and even non-SUSY) models, which combines an effective field theory approach with a diagr…
Investigating the jet activity accompanying the production at the LHC of a massive scalar particle decaying into photons
Benjamin Fuks, Dong Woo Kang, Seong Chan Park +1
We study the jet activity that accompanies the production by gluon fusion of a new physics scalar particle decaying into photons at the LHC. In the considered scenarios, both the p…