54 citations · 104 across the 10 of their papers we have counts for
10 papers
Mono-Higgs signature in a singlet fermionic dark matter model
Yeong Gyun Kim, Kang Young Lee, Soo-hyeon Nam
We investigate mono-Higgs production as a probe of singlet fermionic dark matter (SFDM) at the LHC. In this framework, a Standard Model (SM) gauge-singlet Dirac fermion serves as t…
Probing the 3+1 neutrino model in the SHiP experiment
Ki-Young Choi, Yu Seon Jeong, Sung Hyun Kim +7
In this study, as an extension of our previous work, we estimate the sensitivity of the Search for Hidden Particles (SHiP) experiment to the 3+1 model using the charged-current dee…
Charged Higgs Boson Phenomenology in the Dark Z mediated Fermionic Dark Matter Model
Kyu Jung Bae, Jinn-Ouk Gong, Dong-Won Jung +3
We present the phenomenology of the charged Higgs boson appearing in a fermionic dark matter model mediated by an additional scalar doublet. In order to couple the dark mat…
Probing the mixing between sterile and tau neutrinos in the SHiP experiment
Ki-Young Choi, Sung Hyun Kim, Yeong Gyun Kim +6
We study the expected sensitivity to the mixing between sterile and tau neutrinos directly from the tau neutrino disappearance in the high-energy fixed target experiment. Here, the…
Novel Search for Light Dark Photon in the Forward Experiments at the LHC
Yeong Gyun Kim, Kang Young Lee, Soo-hyeon Nam
We propose a novel approach for discovering a light dark photon in the forward experiments at the LHC, including the SND@LHC and the FASER experiments. Assuming the dark photon is…
Vacuum stability of conformally invariant scalar dark matter models
Yeong Gyun Kim, Kang Young Lee, Jungil Lee +1
We discuss vacuum structure and vacuum stability in classically scale-invariant renormalizable models with a scalar dark matter multiplet of global O(N) symmetry together with an e…
Conformal invariance and singlet fermionic dark matter
Yeong Gyun Kim, Kang Young Lee, Soo-hyeon Nam
We study a classically scale-invariant model with an electroweak singlet complex scalar mediator together with an anomaly free set of two fermionic dark matters. We introduce $U(1)…
Singlet fermionic dark matter with Veltman conditions
Yeong Gyun Kim, Kang Young Lee, Soo-hyeon Nam
We reexamine a renormalizable model of a fermionic dark matter with a gauge singlet Dirac fermion and a real singlet scalar which can ameliorate the scalar mass hierarchy problem o…
Secluded singlet fermionic dark matter driven by the Fermi gamma-ray excess
Yeong Gyun Kim, Kang Young Lee, Chan Beom Park +1
We examine the possibility that the dark matter (DM) interpretation of the GeV scale Fermi gamma-ray excess at the Galactic Center can be realized in a specific framework - seclude…
LHC Signature of Mirage Mediation
W. S. Cho, Y. G. Kim, K. Y. Lee +2
We study LHC phenomenology of mirage mediation scenario in which anomaly and modulus contributions to soft SUSY breaking terms are comparable to each other. A Monte Carlo study of…