Construction of polarized inelastic neutron spectrometer in J-PARC

T. Yokoo, K. Ohoyama, S. Itoh, J. Suzuki, M. Nanbu, N. Kaneko, K. Iwasa, T. J. Sato, H. Kimura, M. Ohkawara

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15 Citations (Scopus)


The instrumental design of the Polarization Analysis Neutron Spectrometer with Correlation Method (POLANO) is almost ready for its construction, although some discussion on the design still remains. POLANO is a new inelastic neutron spectrometer in the Japan Proton Accelerator Research Complex (J-PARC) utilizing polarized neutrons for comprehensive materials research, focusing on the use of quasi-elastic and inelastic scattering techniques. For instrumental construction, the basic shield design is complete and the shielding capability against radiation has been assessed. Additionally, the designs of the beam transport section using 4 Qc supermirror guide tube are almost complete. Also, detecting section and a large vacuum chamber is now under designing. The development of polarization and chopper devices are the key to the success for the very first application of polarization analysis to inelastic scattering at spallation neutron source. High performance Fermi and T0 choppers are now under manufacturing.

Original languageEnglish
Article number012046
JournalJournal of Physics: Conference Series
Issue number1
Publication statusPublished - 2014
Event1st Conference on Light and Particle Beams in Materials Science 2013, LPBMS 2013 - Tsukuba, Japan
Duration: 2013 Aug 292013 Aug 31


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