*Shigeyuki Ishida1, Hiraku Ogino1, Akira Iyo1, Hiroshi Eisaki1, Yoshito Gotoh1, Hiroshi Fujihisa1, Kenji Kawashima2, Kazuki Iida3, Koji Munakata3, Akiko Nakao3, Shungo Nakagawa4, Takanari Kashiwagi4, Hironori Nakao5, Hajime Sagayama5, Daniel Kagerbauer6, Michael Eisterer6, He Zhao7, Raymond Blackwell7, Kazuhiro Fujita7, Abhay Pasupathy8
(1. AIST (Japan), 2. IMRA JAPAN Co., LTD. (Japan), 3. CROSS (Japan), 4. Tsukuba Univ. (Japan), 5. KEK (Japan), 6. TU Wien (Austria), 7. BNL (United States of America), 8. Columbia Univ. (United States of America))
Keywords:Iron-based superconductors, 1144 structure, magnetism, pair density wave