| Literature DB >> 20401727 |
Satoru Endo1, Masashi Takada, Hiroki Tanaka, Yoshihiko Onizuka, Kenichi Tanaka, Nobuyuki Miyahara, Hiromi Baba, Ayumu Oishi, Masayori Ishikawa, Masaharu Hoshi, Shinzo Kimura, Masakazu Minematsu, Yuki Morimune, Yasuaki Kojima, Kiyoshi Shizuma.
Abstract
This study describes measurements on secondary particles produced by a 290 MeV/n Spread Out Bragg Peak (SOBP) carbon beam. Microdosimetric distributions of secondary fragments from the SOBP carbon beam have been measured by using a new tissue equivalent proportional counter (TEPC) system at the Heavy Ion Medical Accelerator in Chiba of the National Institute of Radiological Sciences. The new TEPC system consists of a TEPC, two solid-state detectors (SSD) and a scintillation counter (FSC: forward scintillation counter). The SSDs and FSC can separately identify charged fragments and secondary neutrons produced by the incident carbon ions. Microdosimetric distributions were measured for secondary particles including neutrons produced by a body-simulated phantom consisting of various PMMA plates (thickness: 0, 34.81, 55.2, 60.95, 64.83, 95.03, 114.79, 124.69, 135.2 and 144.98 mm, respectively) to cover the SOBP (at 60-125 mm depth). The new system can separately determine produced fragments from the incident SOBP carbon beam in a body-simulated phantom.Entities:
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Year: 2010 PMID： 20401727 DOI： 10.1007/s00411-010-0285-1
Source DB: PubMed Journal: Radiat Environ Biophys ISSN： 0301-634X Impact factor: 1.925