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Khaliullin, G.*; Mori, Michiyasu; Toyama, Takami*; Maekawa, Sadamichi
no journal, ,
Ishikado, Motoyuki; Kodama, Katsuaki; Wakimoto, Shuichi; Kajimoto, Ryoichi; Nakamura, Mitsutaka; Inamura, Yasuhiro; Nagai, Yuki; Nakamura, Hiroki; Machida, Masahiko; Suzuki, Katsuhiro*; et al.
no journal, ,
In this study, we performed inelastic neutron scattering measurement on 36g polycrystalline powder sample of optimally-doped BaFe(AsP) using a Fermi chopper spectrometer 4SEASONS in J-PARC. We observed strong spin resonance at the same -position similar to those of other iron-based superconductors with fully-gapped -wave. We will discuss about the possible superconducting gap symmetry and what causes relatively high- of this material based on our inelastic neutron scattering results.