Faculty Profiles - SHIMIZU Hirohiko

Papers - SHIMIZU Hirohiko

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Search for CP-violation effects in compound neutron resonance at J-PARC

Kitaguchi M., Shimizu H. M., Hirota K., Okudaira T., Oi N., Ito I., Yamamoto T., Endo S., Haddock C., Takada S., Koga J., Yoshioka T., Ino T., Asahi K., Momose T., Iwata T., Sakai K., Kimura A., Hino M., Shima T., Yamagata Y.

Meeting Abstracts of the Physical Society of Japan Vol. 72.2 ( 0 ) page： 255 - 255 2017

Analysis of data of (n, γ) reaction of Br for T violation search

Ito I., Shimizu H. M., Kitaguchi M., Hirota K., Okudaira T., Okada A., Yamamoto T., Takada S., Koga J., Yoshioka T., Ino T., Asahi K., Momose T., Iwata T., Sakai K., Kimura A., Hino M., Shima T., Yamagata Y.

Meeting Abstracts of the Physical Society of Japan Vol. 72.1 ( 0 ) page： 302 - 302 2017

High Count Rate Neutron Detector for Search of T-Violation

Endo S., Okudaira T., Shimizu H. M., Kitaguchi M., Hirota K., Okada A., Ito I., Yamamoto T., Takada S., Koga J., Yoshioka T., Ino T., Asahi K., Momose T., Iwata T., Sakai K., Kimura A., Hino M., Shima T., Yamagata Y.

Meeting Abstracts of the Physical Society of Japan Vol. 72.1 ( 0 ) page： 356 - 356 2017

Measurement of angular correlation of (n,gamma) reaction with polarized neutrons Open Access

Yamamoto T., Shimizu H.M., Kitaguchi M., Hirota K., Okudaira T., Takada S., Okada A., Yoshioka T., Ino T., Sakai K., Asahi K., Momose T., Iwata T., Hino M., Shima T., Yamagata Y.

Proceedings of Science Vol. 2017-January 2017

Publisher：Proceedings of Science

Large enhanced P violation in a nuclear resonance reaction has been observed by using a polarized neutron beam. Enhanced CP violation is predicted to exist within the same nuclear reaction. We are now preparing to supply a polarized neutron beam for a CP violation search experiment. In the enhancement process of CP violation, we assume that the P violation of the compound nuclear state doesn't depend on the final state. However this assumption has not been verified yet. We plan to verify the assumption by measuring the 139La(n,g ) reaction with a polarized neutron beam at J-PARC MLF BL04. The supplied neutron beam will be polarized by using 3He spin filter, which will be installed into BL04. We present the states of development for 3He spin filter and study of the equipment in BL04.

DOI： 10.22323/1.294.0049

Open Access

Scopus

Measurement of neutron scattering from noble gas to search for a short-range unknown force Open Access

Noriko O.I., Shimizu H.M., Hirota K., Kitaguchi M., Haddock C.C., Snow W.M., Yoshioka T., Matsumoto S., Mishima K., Ino T., Shima T.

Proceedings of Science Vol. 2017-January 2017

Publisher：Proceedings of Science

We are searching for an unknown force that could couple to mass using neutron scattering from a noble gas. The neutron is a chargeless massive particle with a long lifetime, which consequently is suitable for the precise measurement of a small interaction with a range of the order of 1nm by measurements of the momentum transfer distribution. We measured neutron scattering at the low-divergence beam branch on the BL05 NOP beamline in the Materials and Life Science Experimental Facility (MLF) at the Japan Proton Accelerator Research Complex (J-PARC). We report recent experimental data.

DOI： 10.22323/1.281.0190

Open Access

Scopus

Measurement of neutron scattering from noble gas to search for a short-range unknown force at J-PARC - Overview and Simulation Results

Haddock C. C., Oi Noriko, Shimizu Hirohiko M., Hirota Katsuya, Kitaguchi Masaaki, Snow W. M., Yoshioka Tamaki, Matsumoto Satoru, Mishima Kenji, Ino Takashi, Shima Tatsushi

Meeting Abstracts of the Physical Society of Japan Vol. 72.2 ( 0 ) page： 262 - 262 2017

Report of the MTV Run-2016 II

Goto F., Kitaguchi M., Shimizu H. M., Yokohashi M., Ozaki S., Kajihara T., Sakamoto Y., Shimizu Y., Masuda H., Murata J., Yamawaki Y., Watanabe E., Koshikawa A., Baba H., kawamura H., Openshaw Robert, Pearson Matthew

Meeting Abstracts of the Physical Society of Japan Vol. 72.1 ( 0 ) page： 305 - 305 2017

Report of the MTV Run2016 I

Shimizu Y., Ozaki S., Kajihara T., Sakamoto Y., Masuda H., Murata J., Yamawaki Y., Watanabe E., Goto F., Kitaguchi M., Shimizu H. M., Yokohashi M., Koshikawa A., Baba H., Kawamura H., Openshaw Robert, Pearson Matthew

Meeting Abstracts of the Physical Society of Japan Vol. 72.1 ( 0 ) page： 304 - 304 2017

The design of the beam line of the Nagoya University accelerator-driven neutron source Open Access

Ito I., Furusawa D., Hirota K., Ichikawa G., Iwashita Y., Kitaguchi M., Kiyanagi Y., Menjo Y., Miwata Y., Shimizu H.M., Tsuchida K., Tsuchikawa Y., Tsurita Y., Uritani A., Watanabe K., Yamagata Y., Yamazaki A., Yoshihashi S.

Proceedings of Science Vol. 2017-January 2017

Publisher：Proceedings of Science

The Nagoya University Accelerator driven Neutron Source (NUANS) are now constructing at main campus of Nagoya University. The electrostatic accelerator is used with the maximum proton energy and power of 2.8MeV, 15mA(42kW) respectively. Two neutron beam lines are planned at NUANS. The first beam line is dedicated to BNCT. The second beam line is designed for research and development of neutron devices and neutron imaging. The neutrons used for the 2nd beam line are generated by using the (p, n) reaction of beryllium. We designed a compact target station for the 2nd beam line with the dimension of 90cm×90cm×95cm by using radiation shielding simulation. We considered neutron beam extraction with the cross section of 10cm×10cm for radiography at the 2nd beam line. The neutron flux is expected to be about 104n cm-2s-1 with the energy less than 0.1 eV at the position of 2m from the neutron source. We also calculated the proton beam transport from the exit of the accelerator to the neutron production target of the 2nd beam line.

DOI： 10.22323/1.294.0068

Open Access

Scopus

Measurement of the inner electric field of Bi12GeO20_for the measurement of EDM of a neutron(Ⅱ)

Itoh Shigeyasu, Nakaji Masaya, Kitaguchi Masaaki, Shimizu Hirohiko

Meeting Abstracts of the Physical Society of Japan Vol. 72.1 ( 0 ) page： 269 - 269 2017

Measurement of the inner electric field of Bi12GeO20for the measurement of EDM of a neutron(Ⅱ)

Itoh Shigeyasu, Nakaji Masaya, Uchida Yuya, Kitaguchi Masaaki, Shimizu Hirohiko

Meeting Abstracts of the Physical Society of Japan Vol. 72.2 ( 0 ) page： 282 - 282 2017

Construction of the Nagoya University Accelerator-driven Neutron Source　(NUANS)

Tsuchikawa Y., Abo K., Ichikawa G., Ito I., Imajo S., Iwashita Y., Uritani A., Kitaguchi M., Kiyanagi Y., Sato K., Shimizu H. M., Takeshita H., Tsuchida K., Tsurita Y., Hirota K., Furuzawa D., Miwata Y., Yamagata Y., Yamazaki A., Yoshihashi S., Watanabe K.

Meeting Abstracts of the Physical Society of Japan Vol. 72.2 ( 0 ) page： 228 - 228 2017

Result of the Ultracold Neutron focus experiment by the UCN Rebuncher at J-PARC/MLF

Imajo Sohei, Iwashita Yoshihisa, Mishima Kenji, Kitaguchi Masaaki, Shimizu Hirohiko M., Ino Takashi, Yamashita Satoru, Hirota Katsuya, Goto Fumiya, Fuwa Yasuhiro, Katayama Ryo, NOP collaboration

Meeting Abstracts of the Physical Society of Japan Vol. 72.2 ( 0 ) page： 77 - 77 2017

Measurement of neutron scattering from noble gas to search for a short-range unknown force

Oi Noriko, Shimizu Hirohiko M., Hirota Katsuya, Kitaguchi Masaaki, Haddock C. C., Snow W. M., Yoshioka Tamaki, Matsumoto Satoru, Mishima Kenji, Ino Takashi, Shima Tatsushi

Meeting Abstracts of the Physical Society of Japan Vol. 72.1 ( 0 ) page： 298 - 298 2017

Measurement of neutron lifetime at J-PARC/BL05 : Estimation of backgrounds

Ieki Sei, Yamada Takahito, Nagakura Naoki, Yamashita Satoru, Seki Yoshichika, Sumino Hirochika, Shimizu Hirohiko M., Hirota Katsuya, Yokohashi Mami, Kitaguchi Masaaki, Yoshioka Tamaki, Otono Hidetoshi, Tomita Tatsuhiko, Sumi Naoyuki, Morishita Aya, Koga Jun, Iwashita Yoshihisa, Kitahara Ryunosuke, Oide Hideyuki, Shima Tatsushi, Mishima Kenji, Ino Takashi, Taketani Kaoru

Meeting Abstracts of the Physical Society of Japan Vol. 72.1 ( 0 ) page： 65 - 65 2017

Measurement of neutron lifetime at J-PARC/BL05 : The analysis result of neutron capture gamma rays

Koga Jun, Sumi Naoyuki, Takada Shusuke, Tomita Tatsuhiko, Morishita Aya, Otono Hidetoshi, Yoshioka Tamaki, Kitahara Ryunosuke, Iwashita Yoshihisa, Yamada Takahito, Ieki Sei, Nagakura Naoki, Yamashita Satoru, Seki Yoshichika, Sumino Hirochika, Shimizu Hirohiko M., Hirota Katsuya, Okudaira Takuya, Yokohashi Mami, Kitaguchi Masaaki, Mishima Kenji, Ino Takashi, Taketani Kaoru, Kimura Atsushi, Oide Hideyuki, Shima Tatsushi

Meeting Abstracts of the Physical Society of Japan Vol. 72.1 ( 0 ) page： 64 - 64 2017

Neutron lifetime measurement at J-PARC/BL05 : Performance evaluation of large acceptance neutron optics

Yokohashi Mami, Hirota Katsuya, Shimizu Hirohiko, Kitaguchi Masaaki, Kitahara Ryunosuke, Iwashita Yoshihisa, Yoshioka Tamaki, Otono Hidetoshi, Yamada Takahito, Yamashita Satoru, Seki Yoshichika, Oide Hideyuki, Mishima Kenji, Taketani Kaoru, Ino Takashi

Meeting Abstracts of the Physical Society of Japan Vol. 72.1 ( 0 ) page： 63 - 63 2017

Neutron lifetime measurement at J-PARC/BL05: Present status and results

Mishima Kenji, Hirota Katsuya, Ieki Sei, Ino Takashi, Iwashita Yoshihisa, Kitaguchi Masaaki, Kitahara Ryunosuke, Koga Jun, Morishita Aya, Nagakura Naoki, Oide Hideyuki, Otono Hidetoshi, Seki Yoshichika, Sekiba Daiichiro, Shima Tatsushi, Shimizu Hirohiko M., Sumi Naoyuki, Sumino Hirochika, Taketani Kaoru, Tomita Tatsuhiko, Yamada Takahito, Yamashita Satoru, Yokohashi Mami, Yoshioka Tamaki

Meeting Abstracts of the Physical Society of Japan Vol. 72.2 ( 0 ) page： 75 - 75 2017

Neutron Lifetime Measurement at J-PARC/BL05 : Development of the amplifier

Tomita T., Sumi N., Morishita A., Koga J., Otono H., Yoshioka T., Kitahara R., Iwashita Y., Yamada T., Yamashita S., Hirota K., Shimizu H., Yokohashi M., Kitaguchi M., Oide H., Shima T., Mishima K., Taketani K., Ino T.

Meeting Abstracts of the Physical Society of Japan Vol. 72.2 ( 0 ) page： 73 - 73 2017

Neutron Lifetime Measurement at J-PARC/BL05 : Tests of the new detector and amplifier

Meeting Abstracts of the Physical Society of Japan Vol. 72.1 ( 0 ) page： 92 - 92 2017

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Papers - SHIMIZU Hirohiko