Neutron imaging detector based on the μpIC micro-pixel gaseous chamber

Joseph D. Parker, Masahide Harada, Kaori Hattori, Satoru Iwaki, Shigeto Kabuki, Yuji Kishimoto, Hidetoshi Kubo, Shunsuke Kurosawa, Kentaro Miuchi, Hironobu Nishimura, Takayuki Oku, Tatsuya Sawano, Takenao Shinohara, Jun Ichi Suzuki, Toru Tanimori, Kazuki Ueno

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

A neutron imaging detector employing the micro-pixel gaseous chamber (μPIC) and an FPGA (Field Programmable Gate Array)-based data acquisition system has been developed for applications in small-angle neutron scattering (SANS) and neutron radiography at high-intensity, pulsed neutron sources. A small amount of 3He added to the gas mixture is used as the neutron absorber, with a detection efficiency for thermal neutrons of up to 30%. Our FPGA program permits the simultaneous measurement of the track length and energy deposition for the resulting proton-triton tracks, allowing the separation of the proton and triton for improved position resolution. The detector features a spatial resolution of less than 120 μm, a time resolution of ∼1 μs, and an effective gamma sensitivity of less than 10-9. We report preliminary results from a third test experiment performed in February 2011 at the NOBORU beam line at the J-PARC spallation neutron source. We will also discuss ongoing efforts to optimize the gas mixture for improved position resolution and planned upgrades to the data acquisition system.

Original languageEnglish
Title of host publication2011 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2011
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages393-399
Number of pages7
ISBN (Print)9781467301183
DOIs
Publication statusPublished - 2011
Externally publishedYes
Event2011 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2011 - Valencia, Spain
Duration: 2011 Oct 232011 Oct 29

Publication series

NameIEEE Nuclear Science Symposium Conference Record
ISSN (Print)1095-7863

Other

Other2011 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2011
Country/TerritorySpain
CityValencia
Period11/10/2311/10/29

Keywords

  • Field programmable gate arrays
  • Nuclear imaging
  • Radiation detectors

ASJC Scopus subject areas

  • Radiation
  • Nuclear and High Energy Physics
  • Radiology Nuclear Medicine and imaging

Fingerprint

Dive into the research topics of 'Neutron imaging detector based on the μpIC micro-pixel gaseous chamber'. Together they form a unique fingerprint.

Cite this