Scintillation fiber array detector for measurement of neutron beam profile

Chong Kim; Byungsik Hong; Mihee Jo; Kyong Sei Lee; Kwang Souk Sim

doi:10.1016/j.nima.2009.08.058

Scintillation fiber array detector for measurement of neutron beam profile

Chong Kim, Byungsik Hong, Mihee Jo, Kyong Sei Lee, Kwang Souk Sim

Department of Physics

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

We built and tested a detector to measure the profile of fast-neutron beams delivered by the MC50 cyclotron at the Korea Institute of Radiological and Medical Science (KIRAMS). The core component of the detector is a 2 × 46 array of scintillation fibers. The light output of the scintillation fibers is transformed into a current signal by a 46-channel silicon photodiode and digitized by a current-mode signal processor. This scanning device was designed to cover a neutron beam area of 30 × 32 cm². The detector was tested in a neutron beam delivered by the MC50 cyclotron at KIRAMS. We demonstrate that the detector can successfully measure the neutron beam profile at various beam currents from 10 to 20 μ A. The proposed neutron beam profile detector will be useful, for example, in radiotherapy applications with neutron intensities above 10⁷ Hz / cm².

Original language	English
Pages (from-to)	276-280
Number of pages	5
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	609
Issue number	2-3
DOIs	https://doi.org/10.1016/j.nima.2009.08.058
Publication status	Published - 2009 Oct 11

Keywords

Current-mode electronics
Line scanning
Neutron beam
Proton accelerator
Scintillation fiber

ASJC Scopus subject areas

Nuclear and High Energy Physics
Instrumentation

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10.1016/j.nima.2009.08.058

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title = "Scintillation fiber array detector for measurement of neutron beam profile",

abstract = "We built and tested a detector to measure the profile of fast-neutron beams delivered by the MC50 cyclotron at the Korea Institute of Radiological and Medical Science (KIRAMS). The core component of the detector is a 2 × 46 array of scintillation fibers. The light output of the scintillation fibers is transformed into a current signal by a 46-channel silicon photodiode and digitized by a current-mode signal processor. This scanning device was designed to cover a neutron beam area of 30 × 32 cm2. The detector was tested in a neutron beam delivered by the MC50 cyclotron at KIRAMS. We demonstrate that the detector can successfully measure the neutron beam profile at various beam currents from 10 to 20 μ A. The proposed neutron beam profile detector will be useful, for example, in radiotherapy applications with neutron intensities above 107 Hz / cm2.",

keywords = "Current-mode electronics, Line scanning, Neutron beam, Proton accelerator, Scintillation fiber",

author = "Chong Kim and Byungsik Hong and Mihee Jo and Lee, {Kyong Sei} and Sim, {Kwang Souk}",

note = "Funding Information: We would like to thank Drs. Taekeun Yang and Yu-Seok Kim at KIRAMS for making the neutron beams available to us. We are also grateful to Dr. Sangryul Kim at NOTICEKOREA for the development and the manufacture of the current-mode signal processing electronics board. This work was supported in part by the Ministry of Science and Technology, Republic of Korea (Grant no. M20709005437-07B0900-43710).",

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doi = "10.1016/j.nima.2009.08.058",

language = "English",

volume = "609",

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journal = "Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment",

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T1 - Scintillation fiber array detector for measurement of neutron beam profile

AU - Kim, Chong

AU - Hong, Byungsik

AU - Jo, Mihee

AU - Lee, Kyong Sei

AU - Sim, Kwang Souk

N1 - Funding Information: We would like to thank Drs. Taekeun Yang and Yu-Seok Kim at KIRAMS for making the neutron beams available to us. We are also grateful to Dr. Sangryul Kim at NOTICEKOREA for the development and the manufacture of the current-mode signal processing electronics board. This work was supported in part by the Ministry of Science and Technology, Republic of Korea (Grant no. M20709005437-07B0900-43710).

PY - 2009/10/11

Y1 - 2009/10/11

N2 - We built and tested a detector to measure the profile of fast-neutron beams delivered by the MC50 cyclotron at the Korea Institute of Radiological and Medical Science (KIRAMS). The core component of the detector is a 2 × 46 array of scintillation fibers. The light output of the scintillation fibers is transformed into a current signal by a 46-channel silicon photodiode and digitized by a current-mode signal processor. This scanning device was designed to cover a neutron beam area of 30 × 32 cm2. The detector was tested in a neutron beam delivered by the MC50 cyclotron at KIRAMS. We demonstrate that the detector can successfully measure the neutron beam profile at various beam currents from 10 to 20 μ A. The proposed neutron beam profile detector will be useful, for example, in radiotherapy applications with neutron intensities above 107 Hz / cm2.

AB - We built and tested a detector to measure the profile of fast-neutron beams delivered by the MC50 cyclotron at the Korea Institute of Radiological and Medical Science (KIRAMS). The core component of the detector is a 2 × 46 array of scintillation fibers. The light output of the scintillation fibers is transformed into a current signal by a 46-channel silicon photodiode and digitized by a current-mode signal processor. This scanning device was designed to cover a neutron beam area of 30 × 32 cm2. The detector was tested in a neutron beam delivered by the MC50 cyclotron at KIRAMS. We demonstrate that the detector can successfully measure the neutron beam profile at various beam currents from 10 to 20 μ A. The proposed neutron beam profile detector will be useful, for example, in radiotherapy applications with neutron intensities above 107 Hz / cm2.

KW - Current-mode electronics

KW - Line scanning

KW - Neutron beam

KW - Proton accelerator

KW - Scintillation fiber

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DO - 10.1016/j.nima.2009.08.058

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SN - 0168-9002

VL - 609

SP - 276

EP - 280

JO - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

JF - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

IS - 2-3

ER -

Scintillation fiber array detector for measurement of neutron beam profile

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Keywords

ASJC Scopus subject areas

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