*Shunsuke Nozawa^1,2, Tomoki Kanazawa¹, Ryo Fukaya¹, Shin-ichi Adachi^1,2 (1. Institute of Materials Structure Science, KEK , 2. Materials Structure Science Program, SOKENDAI)

*Ryo Fukaya¹, Hironori Nakao^1,2, Jun-ichi Adachi^1,2, Shunsuke Nozawa^1,2, Shin-ichi Adachi^1,2 (1. Institute of Materials Structure Science, High Energy Accelerator Research Organization, 2. Graduate University for Advanced Studies)

*Takeshi Suzuki¹ (1. ISSP, The University of Tokyo)

*Fumitoshi Kumaki¹, Masanari Nagasaka², Ryo Fukaya¹, Jun-ichi Adachi¹ (1. Institute of Materials Structure Science, High Energy Accelerator Research Organization, 2. Institute of Molecular Science)

*Hiroshi Mizuseki¹, Jessiel Siaron Gueriba^2,3, Marilou Cadatal-Raduban⁴, Nobuhiko Sarukura^2,5, Eiichi Tamiya^3,6, Yoshiyuki Kawazoe^5,7,8 (1. Korea Institute of Science and Technology, 2. Institute of Laser Engineering, Osaka University, 3. Institute of Scientific and Industrial Research, Osaka University, 4. Centre for Theoretical Chemistry and Physics, School of Natural Sciences, Massey University, 5. New Industry Creation Hatchery Center, Tohoku University, 6. Advanced Photonics and Biosensing Open Innovation Laboratory, AIST-Osaka University, 7. SRM Institute of Science and Technology, 8. Suranaree University of Technology)

*Clemens von Korff Schmising¹ (1. Max Born Institut, Berlin)

*Yuto Shiokawa¹, Ryunosuke Takahashi¹, Suguru Nakata¹, Nobuhisa Ishii², Hiroki Wadati^1,3 (1. University of Hyogo, 2. QST, 3. Institute of Laser Engineering, Osaka University)

*Takeshi Kondo¹ (1. ISSP, University of Tokyo)

*Hideaki Iwasawa¹ (1. National Institutes for Quantum Science and Technology)

*Katsuya Oguri¹, Ryo Yoshioka^1,2, Kohei Nagai¹, Yashushi Shinohara¹, Takuya Okamoto¹, Yoji Kunihashi¹, Keiko Kato³, Hiroki Mashiko⁴, Yoshiaki Sekine¹, Hiroki Hibino⁵, Ikufumi Katayama², Jun Takeda², Haruki Sanada¹ (1. NTT Basic Research Labs., NTT Corporation, 2. Yokohama National University, 3. Nagoya University, 4. The University of Tokyo, 5. Kwansei Gakuin University)

*Kaito Nishihara¹, Hiroshi Watanabe¹, Shin-ichi Kimura^1,2 (1. Osaka University, 2. Institute for Molecular Science)

*Kenta Hagiwara¹, Xin Liang Tan², Ying-Jiun Chen², Christian Tusche², Claus Michael Schneider², Shigemasa Suga^2,3, Fumihiko Matsui¹ (1. Institute for Molecular Science, 2. Forschungszentrum Jülich, 3. Osaka University)

*Goro Shibata¹, Yukiharu Takeda¹, Tohru Kobayashi¹, Tsuyoshi Yaita¹ (1. Japan Atomic Energy Agency)

*R. Takahashi¹, S. Nakata¹, K. Yoshimatsu², H. Kumigashira², H. Wadati^1,3 (1. Department of Materials Science, Graduate School of Science, University of Hyogo, 2. Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 3. Institute of Laser Engineering, Osaka University)

*Yugo Akabe¹ (1. Osaka University)

*Kenta Kuroda^1,2 (1. Hiroshima University, 2. WPI-SKCM2)

*Jun Okamoto¹, Goro Shibata², Hiroaki Hayashi^3,4, Hsiao-Yu Huang¹, Amol Singh¹, Arata Tanaka⁵, Kazunari Yamaura^3,4, Yu S. Posonov⁶, Sergey V. Streltsov^6,7, Chien-Te Chen¹, Atsushi Fujimori^1,8,9, Di-Jing Huang^1,10,11 (1. National Synchrotron Radiation Research Center, Taiwan, 2. Materials Science Research Center, Japan Atomic Energy Agency, 3. Research Center for Materials Nanoarchitectonics, National Institute for Materials Science, 4. Graduate School of Chemical Science and Engineering, Hokkaido University, 5. Department of Quantum Matter, Hiroshima University, 6. Institute of Metal Physics, Russia, 7. Department of Theoretical Physics and Applied Mathematics, Ural Federal University, 8. Department of Physics and Center for Quantum Technology, National Tsing Hua University, 9. Department of Physics, The University of Tokyo, 10. Department of Physics, National Tsing Hua University, 11. Department of Physics, National Yang Ming Chao Tung University)

*Xi Yu¹, Dejun Liu², Verdad Canila Agulto³, Kensuke Miyajima¹, Makoto Nakajima³, Fumihiro Itoigawa⁴, Shingo Ono⁴ (1. Tokyo University of Science, 2. Shanghai Normal University, 3. Osaka University, 4. Nagoya Institute of Technology)

*Kosuke Fujiwara¹, Takaya Mitsui¹ (1. National Institutes for Quantum Science and Technology)

*Ryota Nishimori¹, Godai Noyama¹, Wataru Yajima¹, Yusuke Arashida¹, Kou Takubo², Shin-ya Koshihara², Shoji Yosida¹, Masaki Hada¹ (1. University of Tsukuba, 2. Tokyo Tech)

*Tokushi Sato¹, R. Letrun¹, J. Koliyadu¹, V. Bellucci¹, J. Bielecki¹, C. Kim¹, Y. Kim¹, R. de Wijn¹, S. Birnsteinova¹, J. E.¹, A. Round¹, M. Sikorski¹, P. Vagovič^1,2, R. Bean¹ (1. European XFEL GmbH, 2. Center for Free-Electron Laser Science (CFEL), DESY)

*Yuta Ishii¹ (1. Tohoku University)

*Yuichi Yokoyama¹, Masaichiro Mizumaki^1,2, Osami Sakata¹ (1. Japan Synchrotron Radiation Research Institute, 2. Kumamoto University)

*Kazutaka Nakamura¹, Yosuke Kayanuma², Itsuki Takagi¹ (1. Tokyo Institute of Technology, 2. Osaka Metropolitan University )

*Marilou Cadatal Raduban^1,2, Luong Viet Mui³, Masahiro Yamashita², Yuki Shibazaki⁴, Nobuhiko Sarukura^2,5, Kohei Yamanoi² (1. Centre for Theoretical Chemistry and Physics, Massey University, 2. Institute of Laser Engineering, Osaka University, 3. Graduate School of Engineering, Osaka University, 4. Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK), 5. New Industry Creation Hatchery Center (NICHe), Tohoku University)

*Norimasa Sasabe¹ (1. Kumamoto University)

*Elmer Surat Estacio¹ (1. University of the Philippines)

*Shunsuke Kurosawa^1,2 (1. Tohoku Universit, 2. Osaka University)

*Nobuhisa Ishii^1,2, Momoko Maruyama¹, Ryuji Itakura¹ (1. National Institutes for Quantum Science and Technology, 2. Japan Science and Technology Agency)

*Masaki Hada¹ (1. University of Tsukuba)

*Godai Noyama¹, Yui Iwasaki¹, Shota Ono², Yuri Saida¹, Yusuke Arashida¹, Thomas Gauither³, Nicolas Godin³, Gaël Privault³, Hiroo Suzuki⁴, Yasuhiko Hayashi⁴, Roman Bertoni³, Masaki Hada¹ (1. Univ. Tsukuba, 2. Tohoku Univ., 3. Univ Rennes, 4. Okayama Univ.)

*Naotaka Yoshikawa¹ (1. The University of Tokyo)

*Takuya Matsubara¹, Seiji Sugawa^1,2,3, Vikas Singh Chauhan¹, Vineet Bharti¹, Arnab Maity^1,4, Tirumalasetty Panduranga Mahesh^1,2, Takafumi Tomita^1,2, Sylvain de Léséleuc^1,2, Kenji Ohmori^1,2 (1. Institute for Molecular Science, National Institutes of Natural Sciences, 2. SOKENDAI (The Graduate University for Advanced Studies), 3. Department of Basic Science, The University of Tokyo, 4. Indian Institute of Science Education and Research Kolkata)

*Satoshi Kusaba¹ (1. Yokohama National University)

*Shohei Imai¹, Atsushi Ono² (1. University of Tokyo, 2. Tohoku University)