Polarization of very cold neutron using a permanent magnet quadrupole

Tamaki Yoshioka; Kenji Mishima; Takashi Ino; Kaoru Taketani; Suguru Muto; Takahiro Morishima; Hirohiko M. Shimizu; Takayuki Oku; Junichi Suzuki; Takenao Shinohara; Kenji Sakai; Hiromi Sato; Katsuya Hirota; Yoshie Otake; Masaaki Kitaguchi; Masahiro Hino; Yoshichika Seki; Yoshihisa Iwashita; Masako Yamada; Masahiro Ichikawa; Takanori Sugimoto; Shinsuke Kawasaki; Sachio Komamiya; Hidetoshi Otono; Yoshio Kamiya; Satoru Yamashita; Peter Geltenbort

doi:10.1016/j.nima.2010.05.029

Polarization of very cold neutron using a permanent magnet quadrupole

Tamaki Yoshioka, Kenji Mishima, Takashi Ino, Kaoru Taketani, Suguru Muto, Takahiro Morishima, Hirohiko M. Shimizu, Takayuki Oku, Junichi Suzuki, Takenao Shinohara, Kenji Sakai, Hiromi Sato, Katsuya Hirota, Yoshie Otake, Masaaki Kitaguchi, Masahiro Hino, Yoshichika Seki, Yoshihisa Iwashita, Masako Yamada, Masahiro IchikawaTakanori Sugimoto, Shinsuke Kawasaki, Sachio Komamiya, Hidetoshi Otono, Yoshio Kamiya, Satoru Yamashita, Peter Geltenbort

SCI - Astronomy

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

For the future fundamental physics experiments by using cold neutrons, we are developing a device which can measure the neutron polarization degree by accuracy significantly below 10^-3. A quadrupole magnet is one of the promising candidate to measure the neutron polarization degree by such extremely high precision. We have performed a polarization experiment by using the quadrupole magnets at the Very Cold Neutron (VCN) port of the PF-2 in the Institute Laue-Langevin (ILL). As a result, we obtained the polarization degree P with very high accuracy P=0.9994±0.0001(stat.)±0.0003(syst.), which meet our requirement significantly.

Original language	English
Pages (from-to)	S17-S20
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	634
Issue number	1 SUPPL.
DOIs	https://doi.org/10.1016/j.nima.2010.05.029
Publication status	Published - 2011 Apr 1

Keywords

Neutron polarizer
Polarized neutron
Quadrupole magnet

ASJC Scopus subject areas

Nuclear and High Energy Physics
Instrumentation

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10.1016/j.nima.2010.05.029

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Yoshioka, T., Mishima, K., Ino, T., Taketani, K., Muto, S., Morishima, T., Shimizu, H. M., Oku, T., Suzuki, J., Shinohara, T., Sakai, K., Sato, H., Hirota, K., Otake, Y., Kitaguchi, M., Hino, M., Seki, Y., Iwashita, Y., Yamada, M., ... Geltenbort, P. (2011). Polarization of very cold neutron using a permanent magnet quadrupole. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 634(1 SUPPL.), S17-S20. https://doi.org/10.1016/j.nima.2010.05.029

Polarization of very cold neutron using a permanent magnet quadrupole. / Yoshioka, Tamaki; Mishima, Kenji; Ino, Takashi; Taketani, Kaoru; Muto, Suguru; Morishima, Takahiro; Shimizu, Hirohiko M.; Oku, Takayuki; Suzuki, Junichi; Shinohara, Takenao; Sakai, Kenji; Sato, Hiromi; Hirota, Katsuya; Otake, Yoshie; Kitaguchi, Masaaki; Hino, Masahiro; Seki, Yoshichika; Iwashita, Yoshihisa; Yamada, Masako; Ichikawa, Masahiro; Sugimoto, Takanori; Kawasaki, Shinsuke; Komamiya, Sachio; Otono, Hidetoshi; Kamiya, Yoshio; Yamashita, Satoru; Geltenbort, Peter.

In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 634, No. 1 SUPPL., 01.04.2011, p. S17-S20.

Research output: Contribution to journal › Article › peer-review

Yoshioka, T, Mishima, K, Ino, T, Taketani, K, Muto, S, Morishima, T, Shimizu, HM, Oku, T, Suzuki, J, Shinohara, T, Sakai, K, Sato, H, Hirota, K, Otake, Y, Kitaguchi, M, Hino, M, Seki, Y, Iwashita, Y, Yamada, M, Ichikawa, M, Sugimoto, T, Kawasaki, S, Komamiya, S, Otono, H, Kamiya, Y, Yamashita, S & Geltenbort, P 2011, 'Polarization of very cold neutron using a permanent magnet quadrupole', Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 634, no. 1 SUPPL., pp. S17-S20. https://doi.org/10.1016/j.nima.2010.05.029

Yoshioka, Tamaki ; Mishima, Kenji ; Ino, Takashi ; Taketani, Kaoru ; Muto, Suguru ; Morishima, Takahiro ; Shimizu, Hirohiko M. ; Oku, Takayuki ; Suzuki, Junichi ; Shinohara, Takenao ; Sakai, Kenji ; Sato, Hiromi ; Hirota, Katsuya ; Otake, Yoshie ; Kitaguchi, Masaaki ; Hino, Masahiro ; Seki, Yoshichika ; Iwashita, Yoshihisa ; Yamada, Masako ; Ichikawa, Masahiro ; Sugimoto, Takanori ; Kawasaki, Shinsuke ; Komamiya, Sachio ; Otono, Hidetoshi ; Kamiya, Yoshio ; Yamashita, Satoru ; Geltenbort, Peter. / Polarization of very cold neutron using a permanent magnet quadrupole. In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 2011 ; Vol. 634, No. 1 SUPPL. pp. S17-S20.

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AU - Morishima, Takahiro

AU - Shimizu, Hirohiko M.

AU - Oku, Takayuki

AU - Suzuki, Junichi

AU - Shinohara, Takenao

AU - Sakai, Kenji

AU - Sato, Hiromi

AU - Hirota, Katsuya

AU - Otake, Yoshie

AU - Kitaguchi, Masaaki

AU - Hino, Masahiro

AU - Seki, Yoshichika

AU - Iwashita, Yoshihisa

AU - Yamada, Masako

AU - Ichikawa, Masahiro

AU - Sugimoto, Takanori

AU - Kawasaki, Shinsuke

AU - Komamiya, Sachio

AU - Otono, Hidetoshi

AU - Kamiya, Yoshio

AU - Yamashita, Satoru

AU - Geltenbort, Peter

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N2 - For the future fundamental physics experiments by using cold neutrons, we are developing a device which can measure the neutron polarization degree by accuracy significantly below 10-3. A quadrupole magnet is one of the promising candidate to measure the neutron polarization degree by such extremely high precision. We have performed a polarization experiment by using the quadrupole magnets at the Very Cold Neutron (VCN) port of the PF-2 in the Institute Laue-Langevin (ILL). As a result, we obtained the polarization degree P with very high accuracy P=0.9994±0.0001(stat.)±0.0003(syst.), which meet our requirement significantly.

AB - For the future fundamental physics experiments by using cold neutrons, we are developing a device which can measure the neutron polarization degree by accuracy significantly below 10-3. A quadrupole magnet is one of the promising candidate to measure the neutron polarization degree by such extremely high precision. We have performed a polarization experiment by using the quadrupole magnets at the Very Cold Neutron (VCN) port of the PF-2 in the Institute Laue-Langevin (ILL). As a result, we obtained the polarization degree P with very high accuracy P=0.9994±0.0001(stat.)±0.0003(syst.), which meet our requirement significantly.

KW - Neutron polarizer

KW - Polarized neutron

KW - Quadrupole magnet

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Polarization of very cold neutron using a permanent magnet quadrupole

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