*Kenta Takada1, Kouhei Yoshimi2, Satoshi Tsutsui3,4, Ikutaro Hamada5, Susumu Yanagisawa6, Koji Kimura7, Kouichi Hayashi7, Naotaka Kasuya8, Shun Watanabe8, Jun Takeya8, Yusuke Wakabayashi1,9
(1. Grad. Sch. Sci., Tohoku Univ. (Japan), 2. Grad. Sch. Eng. Sci., Osaka Univ. (Japan), 3. Japan Synchrotron Radiation Res. Inst. (Japan), 4. Inst. Quantum Beam Sci., Ibaraki Univ. (Japan), 5. Grad. Sch. Eng., Osaka Univ. (Japan), 6. Faculty of Sci., Univ. Ryukyus (Japan), 7. Dept. Phys. Sci. Eng., Nagoya Inst. Tech. (Japan), 8. Grad. Sch. Frontier Sci., Univ. Tokyo (Japan), 9. Mater. Res. Center for Element Strategy, Tokyo Inst. Tech. (Japan))
Keywords:organic semiconductor, phonon, synchrotron, inelastic scattering