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Neutron Instruments
Neutron Instruments
updated on 2025.4.1
Our facility, in collaboration with Tohoku University and Kyoto University, provides 12 neutron instruments at JRR-3 (Japan Research Reactor No. 3), which is managed by JAEA (Japan Atomic Energy Agency) in Tokai, Japan.
The experimental laboratory of JRR-3 comprises a "reactor hall", which surrounds the reactor core, and a "guide hall" (formally called as beam hall), where 3 thermal and 2 cold neutron guide tubes are implemented. Three instruments (two of which are operated by our facility and one by Tohoku University) are installed in the reactor hall and nine instruments (six of which are operated by our facility, two by Tohoku University, and one by Kyoto University) are installed in the guide hall.
Furthermore, in the J-PARC Material and Life Science Experimental Facility (MLF), we provide one spectrometer in collaboration with the High Energy Accelerator Research Organization (KEK).
Instruments in JRR-3
Instruments in JRR-3
Below you will find basic information and links to individual web pages for each instrument. If you plan to submit a proposal, please refer to them. If you intend to use an instrument for the first time or conduct an experiment with special equipment, please contact the Leader before submitting your proposal. For an explanation of Type-A and Type-B, please refer here.
The following instrument-managers are only put ones who are verified by JAEA.
Reactor hall
Reactor hall
4G: GPTAS
4G: GPTAS
General Purpose Triple-Axis Spectrometer
General purpose spectrometer for magnetism and strongly correlated electrons using unpolarized neutrons.
Owner: ISSP, UTokyo.
Leader: Kazuhiro Nawa (kazuhiro.nawa.e5 [at] tohoku.ac.jp)
Instrument managers: Taku J. Sato, Katsuki Kinjo, and Hung-Cheng Wu.
Type : A
5G: PONTA
5G: PONTA
POlarized Neutron Triple-Axis spectrometer
Polarized neutron spectrometer for magnetic structure and spin-lattice dynamics.
Owner: ISSP, UTokyo.
Leader: Taro Nakajima (taro.nakajima [at] issp.u-tokyo.ac.jp)
Instrument managers: Hiraku Saito, Takatsugu Masuda, and Shinichiro Asai.
Type : A
6G: TOPAN
6G: TOPAN
TOhoku-University Polarization Analysis Neutron Spectrometer
Spectrometer for high-resolution measurement of magnetic excitation in strongly correlated electrons using polarized neutrons.
Owner: Institute for Materials Research, Tohoku University.
Leader: Yoichi Ikeda (yo1iked [at]imr.tohoku.ac.jp)
Instrument managers: Masaki Fujita, Takanori Taniguchi, and Shusuke Takada.
Type : B
Guide hall
Guide hall
T1-1: HQR
T1-1: HQR
Spectrometer for analysis of crystal and magnetic structures in high-resolution and for education of neutron science and human resource development at Ibaraki University.
Owner: ISSP, UTokyo and Ibaraki University.
Leader: Kenji Ohyama (kenji.ohoyama.vs [at] vc.ibaraki.ac.jp)
Instrument managers: Kazuaki Iwasa, Keitaro Kuwahara, Makoto Yokoyama, Takehito Nakano, and Taro Nakajima.
Type : B
T1-2: AKANE
T1-2: AKANE
Advanced KINKEN Triple-Axis Neutron Spectrometer
The versatile triple-axis spectrometer, covering from diffraction to spectroscopy. It is used also for educational purpose.
Owner: Institute for Materials Research, Tohoku University.
Leader: Takanori Taniguchi (taka.taniguchi[at]imr.tohoku.ac.jp)
Instrument managers: Masaki Fujita, Yoichi Ikeda, and Hajime Yamamoto.
Type : B
T1-3: HERMES
T1-3: HERMES
Kinken Powder Diffractometer for High Efficiency and High Resolution Measurements
Neutron powder diffractometer for crystal and magnetic structure refinements.
Owner: Institute for Materials Research, Tohoku University.
Leader: Masaki Fujita (fujita [at] tohoku.ac.jp)
Instrument managers: Yusuke Nambu, Yoichi Ikeda, and Takanori Taniguchi.
Type : A
T2-2: FONDER
T2-2: FONDER
Four-circle Off-centered Neutron DiffractometER
Diffractometer for determination of crystal and magnetic structure for single crystal.
Owner: ISSP, UTokyo.
Leader: Miwako Takahashi (takahasi [at] bk.tsukuba.ac.jp)
Instrument managers: Yukio Noda, Satoru Kobayashi, Taku J. Sato, and Kazuhiro Nawa.
Type : A
C1-1: HER/HODACA
C1-1: HER/HODACA
High Energy Resolution triple-axis spectrometer
Spectrometer for low-energy excitation in solid using cold neutrons.
C1-2: SANS-U
C1-2: SANS-U
Small Angle Neutron Scattering
Present status of SANS-U and typical experimental data
Spectrometer for structure determination of soft matters such as protein, gel and so on.
Owner: ISSP, UTokyo.
Leader: Koichi Mayumi (kmayumi [at] issp.u-tokyo.ac.jp)
Instrument managers: Tatsuro Oda, Masaaki Sugiyama, Rintaro Inoue, and Ken Morishima.
Type : A
C2-3-1: iNSE
C2-3-1: iNSE
Spectrometer for nanosecond dynamics in structures of a length scale from 1 to 100 nanometers.
Owner: ISSP, UTokyo.
Leader: Tatsuro Oda (oda [at] issp.u-tokyo.ac.jp)
Instrument manager: Koichi Mayumi.
Type : B
C3-1-1: AGNES
C3-1-1: AGNES
AnGle-focusing cold NEutron Spectrometer
Spectrometer for dynamics in the order of 1 to 100 picosecond using time-of-flight technique.
Owner: ISSP, UTokyo.
Leader: Maiko Kofu (kofu [at] issp.u-tokyo.ac.jp)
Instrument manager: Hiroshi Akiba.
Type : A
C3-1-2-2: MINE
C3-1-2-2: MINE
Multilayer Interferometer and reflectometer for NEutron
Reflectometer for precise structural evaluation across the depth direction of thin film. It is used also for development of neutron optical device and quantum-mechanical fundamental physics experiment.
Owner: Institute for Integrated Radiation and Nuclear Science, Kyoto University
Leader: Masaihro Hino (hino.masahiro.2x [at] kyoto-u.ac.jp)
Instrument managers: Tatsuro Oda, Seiji Tasaki, Masaaki Kitaguchi, Takashi Higuchi, and Yoshichika Seki.
Type : B
Instruments in J-PARC MLF
Instruments in J-PARC MLF
BL12: HRC, High Energy Chopper spectorometer
See, MLF@meet.
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