A high S/N ratio spin flip chopper system for a pulsed neutron source

K. Taketani, T. Ebisawa, M. Hino, K. Hirota, T. Ino, M. Kitaguchi, K. Mishima, S. Muto, H. Oide, T. Oku, Hidetoshi Otono, K. Sakai, T. Shima, H. M. Shimizu, S. Yamashita, Tamaki Yoshioka

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

We report a successful demonstration of a high S/N ratio spin flip chopper (SFC) system for pulsed neutron sources. The system consists of two SFCs and each SFC consists of a radio frequency (RF) flipper and Soller magnetic supermirrors. The aperture of the Soller mirror was 18 mm in width and 20 mm in height. The S/N ratio of the system was 306:1. This system is going to be installed to measure neutron lifetime precisely using the cold-neutron beam line, BL05 polarized-beam branch, at the Materials and Life Science Experimental Facility (MLF) in Japan Proton Accelerator Research Complex (J-PARC).

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electric choppers
Neutron sources
neutron sources
Neutron beams
cold neutrons
life sciences
neutron beams
materials science
Particle accelerators
Japan
radio frequencies
Neutrons
Mirrors
accelerators
Demonstrations
apertures
mirrors
neutrons
life (durability)
protons

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Instrumentation

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A high S/N ratio spin flip chopper system for a pulsed neutron source. / Taketani, K.; Ebisawa, T.; Hino, M.; Hirota, K.; Ino, T.; Kitaguchi, M.; Mishima, K.; Muto, S.; Oide, H.; Oku, T.; Otono, Hidetoshi; Sakai, K.; Shima, T.; Shimizu, H. M.; Yamashita, S.; Yoshioka, Tamaki.

In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 634, No. 1 SUPPL., 01.04.2011.

Research output: Contribution to journalArticle

Taketani, K, Ebisawa, T, Hino, M, Hirota, K, Ino, T, Kitaguchi, M, Mishima, K, Muto, S, Oide, H, Oku, T, Otono, H, Sakai, K, Shima, T, Shimizu, HM, Yamashita, S & Yoshioka, T 2011, 'A high S/N ratio spin flip chopper system for a pulsed neutron source', Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 634, no. 1 SUPPL.. https://doi.org/10.1016/j.nima.2010.06.357
Taketani, K. ; Ebisawa, T. ; Hino, M. ; Hirota, K. ; Ino, T. ; Kitaguchi, M. ; Mishima, K. ; Muto, S. ; Oide, H. ; Oku, T. ; Otono, Hidetoshi ; Sakai, K. ; Shima, T. ; Shimizu, H. M. ; Yamashita, S. ; Yoshioka, Tamaki. / A high S/N ratio spin flip chopper system for a pulsed neutron source. In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 2011 ; Vol. 634, No. 1 SUPPL.
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AU - Hirota, K.

AU - Ino, T.

AU - Kitaguchi, M.

AU - Mishima, K.

AU - Muto, S.

AU - Oide, H.

AU - Oku, T.

AU - Otono, Hidetoshi

AU - Sakai, K.

AU - Shima, T.

AU - Shimizu, H. M.

AU - Yamashita, S.

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