Announcement of the J-PARC MLF 2019A
General Use (Short Term) Proposal Round Call for Proposals

The Call for Proposals for the 2019A General Use (Short Term) Proposal is now CLOSED.

The J-PARC MLF is pleased to announce the opening of the 2019A General Use (Short Term) proposal round from Wednesday 17 October 2018.

Researchers wishing to conduct experiments at any of the MLF neutron or muon beamlines during 2019A (April - November 2019) are invited to submit proposals via the J-PARC Proposal Submission System by the following deadline:

1. Deadline:

17:00 (Japan Time) Wednesday 7 November, 2018

* Demand on the Proposal Submission System is typically very high on the closing day. You are strongly recommended to submit your proposal well in advance of the deadline.

2. How to submit

3. Please Note

4. Other important information

5. Contact Us

J-PARC Center Users' Office

6. Instruments available in 2018B at a glance…

Neutron Instruments

Neutron Diffraction

BL03 iBIX - IBARAKI Biological Crystal Diffractometer - IBARAKI
BL08 SuperHRPD - Super High-Resolution Powder Diffractometer - KEK
BL09 SPICA - Special Environment Powder Diffractometer - KEK
BL11 PLANET - High-Pressure Neutron Diffractometer - Public Beamline
BL18 SENJU - Extreme Environment Single-Crystal Neutron Diffractometer - Public Beamline
BL19 TAKUMI - Engineering Materials Diffractometer - JAEA
BL20 iMATERIA - IBARAKI Materials Design Diffractometer - IBARAKI
BL21 NOVA - High Intensity Total Diffractometer - KEK

Inelastic Neutron Scattering

BL01 4SEASONS - 4D-Space Access Neutron Spectrometer - Public Beamline
BL02 DNA - Biomolecular Dynamics Spectrometer – Public Beamline
BL06 VIN ROSE - Village of Neutron Resonance Spin Echo Spectrometers *(only MIEZE spectrometer) - KEK
BL12 HRC - High-Resolution Chopper Spectrometer - KEK
BL14 AMATERAS - Cold-Neutron Disk-Chopper Spectrometer - JAEA
BL23 POLANO – Polarized Neutron Spectrometer *(Only unpolarized neutron use) - KEK

SANS and Neutron Reflectometry

BL15 TAIKAN – Small and Wide Angle Neutron Scattering Instrument - Public Beamline
BL16 SOFIA - Soft Interface Analyzer - KEK
BL17 SHARAKU - Polarized Neutron Reflectometer – Public Beamline

Other Neutron Instruments

BL04 ANNRI - Accurate Neutron-Nucleus Reaction Measurement Instrument - JAEA
BL05 NOP - Neutron Optics and Fundamental Physics - KEK
BL10 NOBORU - NeutrOn Beam-line for Observation and Research Use - JAEA
BL22 RADEN - Energy Resolved Neutron Imaging System - Public Beamline

Muon Instruments

Muon Spectroscopy

D1 Muon Spectrometer for Materials and Life Science Experiments - KEK
D2 Muon Spectrometer for Basic Science Experiments - KEK
S1 ARTEMIS – General purpose µSR spectrometer - KEK

J-PARC also welcomes Preliminary (P-type) proposals to use the muon instruments at the MLF. If submitting a P-type proposal, please designate it as such within the online system when prompted.

6. Proposal Review committee

Please choose the appropriate category from the list below. The proposal is reviewed by the subcommittee of the category.


  • P1 Materials Science and Engineering
  • P2 Energy Science and High-Pressure Science
  • P3 Soft Matter, Biomaterials and Liquids
  • P4 Magnetism and Strongly Correlated Electron Systems Elastic Scattering
  • P5 Magnetism and Strongly Correlated Electron Systems Inelastic Scattering
  • P6 Fundamental and Nuclear Physics, Instrumentation, Imaging
  • P7 Industrial Applications(※1)
  • P8 -
  • P9 New User Promotion(※2)

List of keywords for each sub-committee.

(※1)Principle Investigators wishing to apply for the Industrial Application (P7) review field must belong to private companies.

(※2)Users who have previously applied for the new user promotion access system of CROSS are able to select the New Use Promotion (P9) review field


  • Q1 Electronic Properties of Matter & Hydrogen in Matter
  • Q2 General Applications

List of keywords for each sub-committee.