Speaker
Hiroshi Nakashima
(Japan Atomic Energy Agency)
Description
Experimental studies of shielding and radiation effects at Fermi National Accelerator Laboratory (FNAL) have been carried out under collaboration between FNAL and Japan, aiming at benchmarking of simulation codes and study of irradiation effects for upgrade and design of new high-energy accelerator facilities. The purposes of this collaboration are (1) acquisition of shielding data in a proton beam energy domain above 100GeV; (2) further evaluation of predictive accuracy of the PHITS and MARS codes; (3) modification of physics models and data in these codes if needed; (4) establishment of irradiation field for radiation effect tests; and (5) development of a code module for improved description of radiation effects.
A series of experiments has been performed at the Pbar target station and NuMI facility, using irradiation of targets with 120 GeV protons for antiproton and neutrino production, as well as the M-test beam line (M-test) for measuring nuclear data and detector responses. Various nuclear and shielding data have been measured by activation methods with chemical separation techniques as well as by other detectors such as scintillator with a veto counter, phoswich detector and a Bonner ball counter. Analyses with the experimental data are in progress for benchmarking the PHITS and MARS codes. In this presentation recent activities and results will be reviewed.
Author
Hiroshi Nakashima
(Japan Atomic Energy Agency)
Co-authors
Anthony Leveling
(Fermi National Accelerator Laboratory)
David Boehnlein
(Fermi National Accelerator Laboratory)
Hee-seock Lee
(Pohang Accelerator Laboratory)
Hideo Hirayama
(High Energy Accelerator Research Organization)
Hiroshi Iwase
(High Energy Accelerator Research Organization)
Hiroshi Matsumura
(High Energy Accelerator Research Organization)
Hiroshi Yashima
(Kyoto University)
Hiroyuki Arakawa
(Kyushu University)
Iwamoto Yosuke
(Japan Atomic Energy Agency)
Kamran Vaziri
(Fermi National Accelerator Laboratory)
Kenji Ishibashi
(Kyushu University)
Koji Niita
(Research Organization for Information Science & Technology)
Koji Oishi
(Shimizu Corporation)
Masayuki Hagiwara
(High Energy Accelerator Research Organization)
Nikolai Mokhov
(Fermi National Accelerator Laboratory)
Nobuhiro Shigyo
(Kyushu University)
Norihiro Matsuda
(Japan Atomic Energy Agency)
Norikazu Kinoshita
(Tsukuba University)
Shun Sekimoto
(Kyoto University)
Syuichi Ban
(High Energy Accelerator Research Organization)
Takashi Nakamura
(Tohoku University)
Toshiya Sanami
(High Energy Accelerator Research Organization)
Tsuyoshi Kajimoto
(Kyushu University)
Yoshimi Kasugai
(Japan Atomic Energy Agency)
Yukio Sakamoto
(Japan Atomic Energy Agency)
