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Probing electroweakly interacting massive particles with Drell–Yan process at 100 TeV hadron colliders
/ Chigusa, So ; Ema, Yohei ; Moroi, Takeo
There are many models beyond the standard model which include electroweakly interacting massive particles (EWIMPs), often in the context of the dark matter. [...]
Published in Physics letters B 789 (2019) 106-113
10.1016/j.physletb.2018.12.011
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Flavon stabilization in models with discrete flavor symmetry
/ Chigusa, So ; Kasuya, Shinta ; Nakayama, Kazunori
We propose a simple mechanism for stabilizing flavon fields with aligned vacuum structure in models with discrete flavor symmetry. [...]
Published in Physics letters B 788 (2019) 494-499
10.1016/j.physletb.2018.11.051
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Anomalous discrete flavor symmetry and domain wall problem
/ Chigusa, So ; Nakayama, Kazunori
Discrete flavor symmetry is often introduced for explaining quark/lepton masses and mixings. [...]
Published in Physics letters B 788 (2019) 249-255
10.1016/j.physletb.2018.11.027
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Decay rate of electroweak vacuum in the standard model and beyond
/ Chigusa, So ; Moroi, Takeo ; Shoji, Yutaro
We perform a precise calculation of the decay rate of the electroweak vacuum in the standard model as well as in models beyond the standard model. [...]
Published in Physical Review D 97 (2018)
10.1103/PhysRevD.97.116012
arXiv:1803.03902
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Bottom-tau unification in supersymmetric SU(5) models with extra matters
/ Chigusa, So ; Moroi, Takeo
We consider - unification in supersymmetric SU(5) grand unified theories (GUTs) with extra matters. [...]
Published in PTEP 2017 (2017) 063B05
10.1093/ptep/ptx062
arXiv:1702.00790
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