Ogawa K - Search Results

1

A study on fast digital discrimination of neutron and gamma-ray for improvement neutron emission profile measurement.

Uchida Y, Takada E, Fujisaki A, Isobe M, Ogawa K, Shinohara K, Tomita H, Kawarabayashi J, Iguchi T. Uchida Y, et al. Among authors: ogawa k. Rev Sci Instrum. 2014 Nov;85(11):11E118. doi: 10.1063/1.4891711. Rev Sci Instrum. 2014. PMID: 25430297 Free PMC article.

2

Fast ion measurement using a hybrid directional probe in the large helical device.

Nagaoka K, Watanabe KY, Osakabe M, Takeiri Y, Minami T, Toi K, Isobe M, Nishiura M, Ito T, Ogawa K. Nagaoka K, et al. Among authors: ogawa k. Rev Sci Instrum. 2008 Oct;79(10):10E523. doi: 10.1063/1.2955569. Rev Sci Instrum. 2008. PMID: 19044505

3

Fast ion charge exchange spectroscopy adapted for tangential viewing geometry in LHD.

Ito T, Osakabe M, Ida K, Yoshinuma M, Kobayashi M, Goto M, Murakami S, Isobe M, Kobayashi S, Toi K, Ogawa K, Takeiri Y, Okamura S. Ito T, et al. Among authors: ogawa k. Rev Sci Instrum. 2010 Oct;81(10):10D327. doi: 10.1063/1.3502331. Rev Sci Instrum. 2010. PMID: 21033849 Free article.

4

Observation of reversed-shear Alfvén eigenmodes excited by energetic ions in a helical plasma.

Toi K, Watanabe F, Tokuzawa T, Ida K, Morita S, Ido T, Shimizu A, Isobe M, Ogawa K, Spong DA, Todo Y, Watari T, Ohdachi S, Sakakibara S, Yamamoto S, Inagaki S, Narihara K, Osakabe M, Nagaoka K, Narushima Y, Watanabe KY, Funaba H, Goto M, Ikeda K, Ito T, Kaneko O, Kubo S, Murakami S, Minami T, Miyazawa J, Nagayama Y, Nishiura M, Oka Y, Sakamoto R, Shimozuma T, Takeiri Y, Tanaka K, Tsumori K, Yamada I, Yoshinuma M, Kawahata K, Komori A; LHD Experiment Group. Toi K, et al. Among authors: ogawa k. Phys Rev Lett. 2010 Oct 1;105(14):145003. doi: 10.1103/PhysRevLett.105.145003. Epub 2010 Oct 1. Phys Rev Lett. 2010. PMID: 21230839 Free article.

5

Progress in development of the neutron profile monitor for the large helical device.

Ogawa K, Isobe M, Takada E, Uchida Y, Ochiai K, Tomita H, Uritani A, Kobuchi T, Takeiri Y. Ogawa K, et al. Rev Sci Instrum. 2014 Nov;85(11):11E110. doi: 10.1063/1.4890399. Rev Sci Instrum. 2014. PMID: 25430289

6

Wide dynamic range neutron flux monitor having fast time response for the Large Helical Device.

Isobe M, Ogawa K, Miyake H, Hayashi H, Kobuchi T, Nakano Y, Watanabe K, Uritani A, Misawa T, Nishitani T, Tomitaka M, Kumagai T, Mashiyama Y, Ito D, Kono S, Yamauchi M, Takeiri Y. Isobe M, et al. Among authors: ogawa k. Rev Sci Instrum. 2014 Nov;85(11):11E114. doi: 10.1063/1.4891049. Rev Sci Instrum. 2014. PMID: 25430293

7

Study on in situ calibration for neutron flux monitor in the Large Helical Device based on Monte Carlo calculations.

Nakano Y, Yamazaki A, Watanabe K, Uritani A, Ogawa K, Isobe M. Nakano Y, et al. Among authors: ogawa k. Rev Sci Instrum. 2014 Nov;85(11):11E116. doi: 10.1063/1.4891598. Rev Sci Instrum. 2014. PMID: 25430295

8

Progress in development of neutron energy spectrometer for deuterium plasma operation in KSTAR.

Tomita H, Yamashita F, Nakayama Y, Morishima K, Yamamoto Y, Sakai Y, Cheon MS, Isobe M, Ogawa K, Hayashi S, Kawarabayashi J, Iguchi T. Tomita H, et al. Among authors: ogawa k. Rev Sci Instrum. 2014 Nov;85(11):11E120. doi: 10.1063/1.4893004. Rev Sci Instrum. 2014. PMID: 25430299

9

Resistive interchange modes destabilized by helically trapped energetic ions in a helical plasma.

Du XD, Toi K, Osakabe M, Ohdachi S, Ido T, Tanaka K, Yokoyama M, Yoshinuma M, Ogawa K, Watanabe KY, Isobe M, Nagaoka K, Ozaki T, Sakakibara S, Seki R, Shimizu A, Suzuki Y, Tsuchiya H; LHD Experiment Group. Du XD, et al. Among authors: ogawa k. Phys Rev Lett. 2015 Apr 17;114(15):155003. doi: 10.1103/PhysRevLett.114.155003. Epub 2015 Apr 17. Phys Rev Lett. 2015. PMID: 25933318

10

Scintillator-based fast ion loss measurements in the EAST.

Chang JF, Isobe M, Ogawa K, Huang J, Wu CR, Xu Z, Jin Z, Lin SY, Hu LQ; EAST Team. Chang JF, et al. Among authors: ogawa k. Rev Sci Instrum. 2016 Nov;87(11):11E728. doi: 10.1063/1.4962245. Rev Sci Instrum. 2016. PMID: 27910330

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