134 citations · 494 across the 25 of their papers we have counts for
25 papers
The anomalous magnetic moment of the muon in the Standard Model: an update
R. Aliberti, T. Aoyama, E. Balzani +232
We present the current Standard Model (SM) prediction for the muon anomalous magnetic moment, , updating the first White Paper (WP20) [1]. The pure QED and electroweak contrib…
Reinterpretation and preservation of data and analyses in HEP
Jon Butterworth, Sabine Kraml, Harrison Prosper +145
Data from particle physics experiments are unique and are often the result of a very large investment of resources. Given the potential scientific impact of these data, which goes…
Standard Model anomalies and vacuum stability for lepton portals with extra symmetry
Carlo Branchina, Hyun Min Lee, Kimiko Yamashita
Recently, the experimental values of the muon and of the boson mass have both indicated significant deviations from the SM predictions, motivating the explor…
Higgs-Portal Spin-1 Dark Matter with Parity-Violating Interaction
Kimiko Yamashita
We introduce the spin-1 gauged field with odd dark parity to evade the current strong constraints on kinetic mixing. Then, becomes stable and a candidate for…
Positivity Bounds on Higgs-Portal Freeze-in Dark Matter
Seong-Sik Kim, Hyun Min Lee, Kimiko Yamashita
We consider the relic density and positivity bounds for freeze-in scalar dark matter with general Higgs-portal interactions up to dimension-8 operators. When dimension-4 and dimens…
Positivity Bounds on Higgs-Portal Dark Matter
Seong-Sik Kim, Hyun Min Lee, Kimiko Yamashita
We consider the positivity bounds for WIMP scalar dark matter with effective Higgs-portal couplings up to dimension-8 operators. Taking the superposed states for Standard Model Hig…
The lepton portals for muon , boson mass and dark matter
Seong-Sik Kim, Hyun Min Lee, Adriana G. Menkara +1
We propose a novel model which extends the Standard Model (SM) by introducing a gauge symmetry. In this model, a dark Higgs doublet and a Higgs bi-doublet can c…
The lepton portals for muon , boson mass and dark matter
Seong-Sik Kim, Hyun Min Lee, Adriana G. Menkara +1
We propose a novel model for lepton flavor and dark matter based on the gauge symmetry and vector-like leptons in its fundamental representations. We introduce a dark $SU…
Moments for positivity: using Drell-Yan data to test positivity bounds and reverse-engineer new physics
Xu Li, Ken Mimasu, Kimiko Yamashita +3
Moments of the leptonic angular distribution in the Drell-Yan process have recently been shown to be sensitive probes of a specific class of dimension-8, four-fermion operators in…
A Model of Vector-like Leptons for the Muon and the Boson Mass
Hyun Min Lee, Kimiko Yamashita
We consider a simple extension of the Standard Model (SM) with a vector-like lepton and a local symmetry, motivated by the recent experimental anomalies in the muon a…
Reheating and Dark Matter Freeze-in in the Higgs- Inflation Model
Shuntaro Aoki, Hyun Min Lee, Adriana G. Menkara +1
We study the post-inflationary dynamics for reheating and freeze-in dark matter in the Higgs- inflation model. Taking the perturbative approach for reheating, we determine the…
Seesaw lepton masses and muon from heavy vector-like leptons
Hyun Min Lee, Jiseon Song, Kimiko Yamashita
We propose a model for the vector-like lepton to explain the small muon mass by a seesaw mechanism, based on lepton-specific two Higgs doublet models with a local symmetry.…
Searching for Monopoles via Monopolium Multiphoton Decays
Neil D. Barrie, Akio Sugamoto, Matthew Talia +1
We explore the phenomenology of a model of monopolium based on an electromagnetic dual formulation of Zwanziger and lattice gauge theory. The monopole is assumed to have a finite-s…
Elastic positivity vs extremal positivity bounds in SMEFT: a case study in transversal electroweak gauge-boson scatterings
Kimiko Yamashita, Cen Zhang, Shuang-Yong Zhou
The positivity bounds, derived from the axiomatic principles of quantum field theory (QFT), constrain the signs of Wilson coefficients and their linear combinations in the Standard…
Higgs Inflation, Vacuum Stability, and Leptogenesis
Neil D. Barrie, Akio Sugamoto, Tatsu Takeuchi +1
We consider the introduction of a complex scalar field carrying a global lepton number charge to the Standard Model and the Higgs inflation framework. The conditions are investigat…
Search for Vector-mediated Dark Matter at the LHC with Forward Proton Tagging
Gi-Chol Cho, Kimiko Yamashita, Miki Yonemura
We investigate the production of fermionic dark matter via mediated by a leptophobic spin-1 particle, where one of the protons remains intact and i…
Unitary inflaton as decaying dark matter
Soo-Min Choi, Yoo-Jin Kang, Hyun Min Lee +1
We consider the inflation model of a singlet scalar field (sigma field) with both quadratic and linear non-minimal couplings where unitarity is ensured up to the Planck scale. We a…
LHC Searches for Top-philic Kaluza-Klein Graviton
Chao-Qiang Geng, Da Huang, Kimiko Yamashita
We study the phenomenology of a massive graviton with non-universal couplings to the Standard Model (SM) particles. Such a particle can arise as a warped Kaluza-Klein graviton…
Pendulum Leptogenesis
Kazuharu Bamba, Neil D. Barrie, Akio Sugamoto +2
We propose a new non-thermal Leptogenesis mechanism that takes place during the reheating epoch, and utilizes the Ratchet mechanism. The interplay between the oscillation of the in…
Vacuum Magnetic Birefringence Experiment as a probe of Dark Sector
Xing Fan, Shusei Kamioka, Kimiko Yamashita +2
Vacuum magnetic birefringence (VMB) is a nonlinear electromagnetic effect predicted by QED. In addition to the effect from QED, the effect also has a possibility to probe the dark…
Generalized Heisenberg-Euler formula in Abelian gauge theory with parity violation
Kimiko Yamashita, Xing Fan, Shusei Kamioka +2
A generalized Heisenberg-Euler formula is given for an Abelian gauge theory having vector as well as axial vector couplings to a massive fermion. So, the formula is applicable to a…
Simplified dark matter models with a spin-2 mediator at the LHC
Sabine Kraml, Ursula Laa, Kentarou Mawatari +1
We consider simplified dark matter models where a dark matter candidate couples to the standard model (SM) particles via an -channel spin-2 mediator, and study constraints on th…
Ratchet Baryogenesis with an Analogy to the Forced Pendulum
Kazuharu Bamba, Neil D. Barrie, Akio Sugamoto +2
A new scenario of baryogenesis via the ratchet mechanism is proposed based on an analogy to the forced pendulum. The oscillation of the inflaton field during the reheating epoch af…
Construction of a Model of Monopolium and its Search via Multi-Photon Channels at LHC
Neil D. Barrie, Akio Sugamoto, Kimiko Yamashita
A model of monopolium is constructed based on an electromagnetic dual formulation of Zwanziger and lattice gauge theory. To cope with the strong coupling nature of the magnetic cha…