Schedule 1 10:00 AM - 10:20 AM [HEDS-4-03] Experimental investigation of sheath-driven proton beam parameters in the ultra-short pulse, ultra-high intensity regime *Nicholas Peter Dover1, Mamiko Nishiuchi1, Hironao Sakaki1, Kotaro Kondo1, Maria Alkhimova2,4, Masayusa Hata3, Natsumi Iwata3, Hiromitsu Kiriyama1, James Koga1, Takumi Miyahara5, Tatiana Pikuz3,4, Anatoly Faenov3,4, Alexander Pirozhkov1, Akito Sagisaka1, Yasuhiko Sentoku3, Yukinobu Watanabe5, Masaki Kando1, Kiminori Kondo1 (1. Kansai Photon Science Institute, QST, 2. MEPhI, Russia, 3. Osaka Univ., Japan, 4. RAS, Russia, 5. Kyushu Univ., Japan)