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지하실험 연구단
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Proton linear energy transfer measurement using Emulsion Cloud Chamber

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Title
Proton linear energy transfer measurement using Emulsion Cloud Chamber
Author(s)
Shin J.-I.; Park S.; Kim H.; Kim M.; Jeong C.; Cho S.; Lim Y.K.; Shin D.; Lee S.B.; Morishima K.; Naganawa N.; Sato O.; Kwak J.; Sung Hyun Kim; Cho J.S.; Ahn J.K.; Kim J.H.; Yoon C.S.; Incerti S.
Publication Date
2015-04
Journal
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, v.349, no., pp.201 - 208
Publisher
ELSEVIER SCIENCE BV
Abstract
Abstract This study proposes to determine the correlation between the Volume Pulse Height (VPH) measured by nuclear emulsion and Linear Energy Transfer (LET) calculated by Monte Carlo simulation based on Geant4. The nuclear emulsion was irradiated at the National Cancer Center (NCC) with a therapeutic proton beam and was installed at 5.2 m distance from the beam nozzle structure with various thicknesses of water-equivalent material (PMMA) blocks to position with specific positions along the Bragg curve. After the beam exposure and development of the emulsion films, the films were scanned by S-UTS developed in Nagoya University. The proton tracks in the scanned films were reconstructed using the 'NETSCAN' method. Through this procedure, the VPH can be derived from each reconstructed proton track at each position along the Bragg curve. The VPH value indicates the magnitude of energy loss in proton track. By comparison with the simulation results obtained using Geant4, we found the correlation between the LET calculated by Monte Carlo simulation and the VPH measured by the nuclear emulsion. © 2015 Elsevier B.V. All rights reserved
URI
https://pr.ibs.re.kr/handle/8788114/1704
ISSN
0168-583X
Appears in Collections:
Center for Underground Physics(지하실험 연구단) > Journal Papers (저널논문)
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