Photon Factory

KEK

Beamline Groups and PF-PAC Subcommittees

Last Modified:2023/4/25

All beamlines are classified into 6 beamline groups, correspond to subcommittees of the PF-PAC (Photon Factory Program Advisory Committee). Some of the groups are further divided into subgroups according to the measurement technique.

See below for abbreviations for LS (light source) and Org. (organization)

Stations with asterisk (*) are under construction and/or commissioning

Subcommittee 1

Main scientific fields and keywords: surface science, atomic and molecular science, structural physics, radiation biology, materials science, earth and planetary science, environmental science, electronic property science, magnetic materials science, catalytic chemistry, analytical chemistry, soft X-ray optics, medical applications, detector development, optical device evaluation
Main experimental methods: photoelectron spectroscopy, soft X-ray absorption spectroscopy, soft X-ray microscopy, resonant soft X-ray scattering, soft X-ray reflectivity, positron diffraction, positronium time-of-flight

BL LS Org. Station BL staff
Photoelectron spectroscopy
BL-2A/B U Multiple Undulator beamline for Spectroscopic Analysis of Surface and HeteroInterface : MUSASHI and Photoelectron Spectroscopy Station T. Ohigashi
BL-28A/B U Variable Polarization VUV and Soft X-ray Spectroscopy K. Ozawa
BL-3B BM UG VUV Photoelectron Spectroscopy K. Ozawa / T. Sakurai (Univ. Tsukuba), J. Yoshinobu (Univ. Tokyo)
BL-13A/B U Variable Polarization VUV and Soft X-ray Spectroscopy K. Mase
Soft X-ray absorption spectroscopy
BL-16A U Variable Polarization Soft X-ray Spectroscopy K. Amemiya
BL-7A
RCS, Univ. Tokyo
BM EX Soft X-ray Spectroscopy K. Amemiya / J. Okabayashi (Univ. Tokyo)
BL-12A BM Soft and Tender X-ray Beamline (under construction) T. Ohigashi
BL-20A BM UG VUV Spectroscopy J. Adachi / Y.Hikosaka (Univ.of Toyama)
BL-27A BM UG Radiation Biology, Soft X-ray Spectroscopy for Radioactive Samples N. Usami / A. Yokoya (QST) / Y. Okamoto (JAEA)
Soft X-ray microscopy
BL-19A/B U Soft X-ray Microscopy (STXM) and Spectroscopy S. Yamashita
Slow Positron Facility
SPF-A3 SP TRHEPD (Total-reflection High-energy Positron Diffraction) Station K. Wada
SPF-A4 SP LEPD (Low-energy Positron Diffraction) Station K. Wada
SPF-B1 SP General Purpose Slow-positron Experiment Station K. Wada
SPF-B2 SP Ps-TOF (Positronium Time-of-flight) Measurement Station K. Wada

Subcommittee 2

Main scientific fields and keywords: solid state physics, structural physics, materials physics, electronic physics, surface science, magnetic materials science, materials chemistry, materials science, earth and planetary science, detector development
Main experimental methods: powder X-ray diffraction, single crystal X-ray diffraction and scattering, resonant X-ray scattering

BL LS Org. Station BL staff
X-ray diffraction and scattering
BL-3A SGU X-ray Diffraction Experiment under Extreme Condition H. Nakao
BL-4B2 BM UG Powder Diffraction H. Nakao/H. Uekusa(TIT)
BL-4C BM X-ray Diffraction Experiment H. Nakao
BL-6C BM UG X-ray Diffraction and Scattering H. Nakao/N. Happo (Hiroshima City Univ.)
BL-7C BM Multi-purpose Hard X-ray Experiment H. Sugiyama
BL-8A BM Powder/Single-crystal Diffraction under Extreme Conditions D. Okuyama
BL-8B BM Powder/Single-crystal Diffraction under Extreme Conditions D. Okuyama
BL-10A BM UG X-ray Diffraction and Scattering R. Kumai / T. Kuribayashi (Tohoku Univ.)
BL-14A VW Single Crystal Structure Analysis/Detector Development H. Sagayama
BL-18B
DST, India
BM EX Versatile Hard X-ray Station R. Kumai/
Vishnu Kumar(JNCASR)

Subcommittee 3

Main scientific fields and keywords: materials chemistry, materials science, catalytic chemistry, earth and planetary science, environmental science, magnetic materials science, radiation biology, structural physics, food science, energy science, fundamental nuclear research
Main experimental methods: hard x-ray absorption spectroscopy, hard x-ray microscopy, x-ray reflectivity

BL LS Org. Station BL staff
X-ray absorption spectroscopy
BL-4A BM UG Trace Element Analysis/X-ray Microbeam Y. Niwa / M. Uo (Tokyo Medical and Dental University)
BL-9A BM High-intensity and Low-energy XAFS H. Abe
BL-9C BM in-situ XAFS H. Abe
BL-12C BM High-throughput XAFS H. Nitani
BL-15A1 SGU Semi-microbeam XAFS Y. Niwa
BL-27B BM UG Radiation Biology, XAFS for Radioactive Samples N. Usami / A. Yokoya (QST) / Y. Okamoto (JAEA)
AR-NW2A U Time-resolved XAFS, X-ray Microscopy Y. Niwa
AR-NW10A BM High-energy XAFS H. Nitani

Subcommittee 4

Main scientific fields and keywords: structural biology, biophysics, biochemistry, drug discovery science, molecular biology, agricultural chemistry, inorganic/organic chemistry, nanostructure science, radiation physics and chemistry
Main experimental methods: macromolecular crystal X-ray diffraction

BL LS Org. Station BL staff
Macromolecular crystallography
BL-1A SGU Macromolecular Crystallography N. Matsugaki
BL-5A MPW Macromolecular Crystallography N. Matsugaki
BL-17A SGU Macromolecular Crystallography M.Hikita
AR-NE3A U Macromolecular Crystallography for Drug Design N.Matsugaki
AR-NW12A U Macromolecular Crystallography M. Hikita

Note: All proposals applied to beamlines of Subcommittee 4 are now required to submit the "list of crystal preparation status" when submitting a proposal.

Subcommittee 5

Main scientific fields and keywords: polymer science, fiber science, lipid science, liquid crystal science, materials science, food science, inorganic/organic chemistry, nanostructure science, structural biology, biophysics, biochemistry, molecular biology
Main experimental methods: small angle X-ray scattering

BL LS Org. Station BL staff
Small-angle X-ray scattering
BL-6A BM Small-angle X-ray Scattering H.Takagi
BL-10C BM Small-angle X-ray Scattering H.Takagi
BL-15A2 SGU High-brilliance Small-angle X-ray Scattering H. Takagi

Subcommittee 6

Main scientific fields and keywords: high-pressure science, structural physics, earth and planetary science, electronic physics, materials chemistry, materials science, X-ray optics, medical applications
Main experimental methods: measurement under high-pressure environment, nuclear resonant scattering, X-ray topography, X-ray absorption and phase imaging, CT, time-resolved measurement

BL LS Org. Station BL staff
High pressure science
BL-18C BM UG High Pressure X-ray Powder Diffraction (DAC) Y. Shibazaki / H. Kagi(Univ. of Tokyo)
AR-NE1A EMPW X-ray Diffraction and Mössbauer Spectroscopy at High Pressure Y. Shibazaki
AR-NE5C BM High-pressure and High-temperature X-ray Diffraction (MAX-80) Y. Shibazaki
AR-NE7A BM X-ray Imaging and X-ray Diffraction Experiments at High Pressure Y. Shibazaki
Ultrafast time-resolved measurement
AR-NW14A U Time-resolved Diffraction and Scattering S. Nozawa
X-ray optics and imaging
BL-3C BM X-ray Optics/White X-ray Magnetic Diffraction K. Hirano
BL-14B VW High-precision X-ray Optics K. Hirano
BL-14C VW X-ray Imaging and Multi-purpose Experiments K. Hirano
BL-20B BM White & Monochromatic X-ray Topography and Diffraction H. Sugiyama
AR-NE7A BM X-ray Imaging and X-ray Diffraction Experiments at High Pressure K. Hirano
Test Beam Line (Institute of Particle and Nuclear Studies)
AR-SE2A (electron beam) Test Beam Line (in Japanese)* (N. Igarashi)

Abbreviations for lightsources

  • BM : Bending Magnet
  • U : Undulator
  • SGU : Short Gap Undulator
  • (E)MPW : (Elliptical) Multipole Wiggler
  • VW : Vertical Wiggler
  • SP : Slow Positron

Abbreviations for organization

  • EX : Operated by external institute / Partially opened for general users
  • UG : Operated by user group / Opened for general users
  • Univ : Experimental stations for graduate courses education / Opened for general users