423 citations · 1.8k across the 30 of their papers we have counts for
Showing hep-phShow all
3 papers · 1 filter
hep-ph2023★ 10 cited
Gravitational Positivity for Phenomenologists: Dark Gauge Boson in the Swampland
Katsuki Aoki, Toshifumi Noumi, Ryo Saito +4
The gravitational positivity bound gives quantitative "swampland'' constraints on low-energy effective theories inside theories of quantum gravity. We give a comprehensive discussi…
hep-ph2012★ 21 cited
Gravitational Wave Probe of High Supersymmetry Breaking Scale
Ryo Saito, Satoshi Shirai
A supersymmetric standard model with heavier scalar particles is very interesting from various viewpoints, especially Higgs properties. If the scalar mass scale is O(10-10^4) TeV,…
hep-ph2010★ 18 cited
Primordial Black Hole as a Source of the Boost Factor
Ryo Saito, Satoshi Shirai
Primordial black holes (PBHs) accumulate weakly interacting massive particles (WIMPs) around them and form ultracompact minihalos (UCMHs), if the WIMP is a dominant component of th…