65 citations · 466 across the 40 of their papers we have counts for
41 papers
Gravitational waves from self-resonance during reheating with a quantum-corrected inflaton potential
Tomoya Inada, Noel Jonathan Jobu, Kenji Nishiwaki +2
We investigate how localized quantum corrections to the inflaton potential affect preheating dynamics and the resulting stochastic gravitational wave (GW) spectrum. When these corr…
A simple solution to the monopole problem: SU(5) GUT with symmetry breaking into special subgroup
Yu Hamada, Naoki Yamatsu
Grand unified theories (GUTs) predict the overproduction of magnetic monopoles, leading to the so-called monopole problem, which is often addressed by cosmological inflation that d…
Origin of CKM matrix and natural FCNC suppression in gauge-Higgs unification
Yutaka Hosotani, Shuichiro Funatsu, Hisaki Hatanaka +2
In the gauge-Higgs unification in the Randall-Sundrum warped space the mixing in the couplings in the quark sector is induced by masses of $SO(…
Family Unification in Grand Unification
Cheng-Wei Chiang, Tianjun Li, Naoki Yamatsu
We propose a unified model for the three Standard Model (SM) gauge symmetries and family symmetry based on grand unified gauge symmetry on six-dimensional (6D) spa…
Probing gauge-Higgs Unification models at the ILC with quark-antiquark forward-backward asymmetry at center-of-mass energies above the Z mass
A. Irles, J. P. Márquez, R. Pöschl +4
The International Linear Collider (ILC) will allow the precise study of interactions at different center-of-mass energies from the -pole to 1 Te…
Pseudo-Nambu-Goldstone Dark Matter in Grand Unification
Cheng-Wei Chiang, Koji Tsumura, Yoshiki Uchida +1
We propose a grand unified theory (GUT) pseudo-Nambu-Goldstone boson (pNGB) dark matter (DM) model based on gauge symmetry. In the GUT model, the Standard Model (SM) gauge…
boson mass in gauge-Higgs unification
Yutaka Hosotani, Shuichiro Funatsu, Hisaki Hatanaka +2
The boson mass in the GUT inspired gauge-Higgs unification in the Randall-Sundrum (RS) warped space is evaluated. The muon decay $μ^- \ri…
and Boson Pair Production at Electron-Positron Colliders in Gauge-Higgs Unification
Naoki Yamatsu, Shuichiro Funatsu, Hisaki Hatanaka +2
We examine and boson pair production processes at electron-positron collider experiments in the gauge-Higgs unification (GHU) model. We…
Coupling Sum Rules and Oblique Corrections in Gauge-Higgs Unification
Yutaka Hosotani, Shuichiro Funatsu, Hisaki Hatanaka +2
In GUT inspired gauge-Higgs unification (GHU) in the Randall-Sundrum warped spacetime, the and couplings of all 4D fermion modes become…
Single Higgs Boson Production at Electron-Positron Colliders in Gauge-Higgs Unification
Shuichiro Funatsu, Hisaki Hatanaka, Yuta Orikasa +1
We examine contributions to single Higgs boson production processes via and bosons in the gauge-Higgs unification (GHU) model. In par…
Pseudo-Nambu-Goldstone Dark Matter from Non-Abelian Gauge Symmetry
Hajime Otsuka, Takashi Shimomura, Koji Tsumura +2
We propose a pseudo-Nambu-Goldstone boson (pNGB) dark matter (DM) model based on an additional non-Abelian gauge symmetry . The gauge symmetry is spontaneously b…
Anomaly flow by an Aharonov-Bohm phase
Shuichiro Funatsu, Hisaki Hatanaka, Yutaka Hosotani +2
In gauge-Higgs unification (GHU), gauge symmetry is dynamically broken by an Aharonov-Bohm (AB) phase, , in the fifth dimension. We analyze GHU with an doublet…
Bhabha scattering in the gauge-Higgs unification
Shuichiro Funatsu, Hisaki Hatanaka, Yutaka Hosotani +2
We examine effects of bosons in gauge-Higgs unification (GHU) models at Bhabha scatterings. We evaluate differen…
The International Linear Collider: Report to Snowmass 2021
Alexander Aryshev, Ties Behnke, Mikael Berggren +508
The International Linear Collider (ILC) is on the table now as a new global energy-frontier accelerator laboratory taking data in the 2030s. The ILC addresses key questions for our…
Signals of and bosons at the LHC in the gauge-Higgs unification
Shuichiro Funatsu, Hisaki Hatanaka, Yutaka Hosotani +2
The and () processes in the gauge-Higgs unification (GHU) models are studied, whe…
Pseudo-Nambu-Goldstone Dark Matter Model Inspired by Grand Unification
Yoshihiko Abe, Takashi Toma, Koji Tsumura +1
A pseudo-Nambu-Goldstone boson (pNGB) is an attractive candidate for dark matter (DM) due to the simple evasion of the current severe limits of DM direct detection experiments. One…
Electroweak and Left-Right Phase Transitions in Gauge-Higgs Unification
Shuichiro Funatsu, Hisaki Hatanaka, Yutaka Hosotani +2
The electroweak phase transition in GUT inspired gauge-Higgs unification is shown to be weakly first order and occurs at $T = T_c^{\rm EW} \sim 163\…
Linear Collider Signals of Bosons in GUT Inspired Gauge-Higgs Unification
Shuichiro Funatsu, Hisaki Hatanaka, Yutaka Hosotani +2
In gauge-Higgs unification (GHU), the 4D Higgs boson appears as a part of the fifth dimensional component of 5D gauge field. Recently, an GUT inspired $SO(5)\times U(1)\ti…
Special Grand Unification
Naoki Yamatsu
We discuss a grand unified theory (GUT) based on a GUT gauge group broken to its subgroups including a special subgroup. A GUT based on an GUT gauge group has be…
Fermion pair production at linear collider experiments in GUT inspired gauge-Higgs unification
Shuichiro Funatsu, Hisaki Hatanaka, Yutaka Hosotani +2
Fermion pair production at linear collider experiments with polarized and beams is examined in the GUT inspired gauge-Higgs unif…
The effective potential and universality in GUT inspired gauge-Higgs unification
Shuichiro Funatsu, Hisaki Hatanaka, Yutaka Hosotani +2
The effective potential for the Aharonov-Bohm phase in the fifth dimension in GUT inspired gauge-Higgs unification is evaluated to show that d…
Dynamical Breaking to Special or Regular Subgroups in Nambu--Jona-Lasinio Model
Taichiro Kugo, Naoki Yamatsu
It is recently shown that in 4D Nambu--Jona-Lasinio (NJL) type models, the symmetry breaking into its special subgroups is not special but much more common than tha…
CKM matrix and FCNC suppression in gauge-Higgs unification
Shuichiro Funatsu, Hisaki Hatanaka, Yutaka Hosotani +2
The Cabibbo-Kobayashi-Maskawa (CKM) mixing matrix and flavor-changing neutral currents (FCNC's) in the quark sector are examined in the GUT inspired $SO(5) \times U(1) \times SU(3)…
Is Symmetry Breaking into Special Subgroup Special?
Taichiro Kugo, Naoki Yamatsu
The purpose of this paper is to show that the symmetry breaking into special subgroups is not special at all, contrary to the usual wisdom. To demonstrate this explicitly, we exami…