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Article type: Cover
2014 Volume 69 Issue 4 Pages
Cover1-
Published: April 05, 2014
Released on J-STAGE: August 22, 2019
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Sanae-I. Itoh
Article type: Article
2014 Volume 69 Issue 4 Pages
191-
Published: April 05, 2014
Released on J-STAGE: August 22, 2019
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Article type: Index
2014 Volume 69 Issue 4 Pages
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Published: April 05, 2014
Released on J-STAGE: August 22, 2019
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Katsuaki Asano
Article type: Article
2014 Volume 69 Issue 4 Pages
194-195
Published: April 05, 2014
Released on J-STAGE: August 22, 2019
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Feng-Lei Hong
Article type: Article
2014 Volume 69 Issue 4 Pages
196-203
Published: April 05, 2014
Released on J-STAGE: August 22, 2019
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Atomic clocks play important roles not only in the field of measurement and standards, but also in basic research of physics. The International Committee for Weights and Measures (CIPM) has updated the list of next generation atomic clocks ("the secondary representations of the second") for future redefinition of the second. We introduce the history of the definition of the secondary, the development of the optical clocks, and the international recommendation of the new secondary representations of the second.
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Ken Sakashita, Yasuhiro Nishimura, Akihiro Minamino
Article type: Article
2014 Volume 69 Issue 4 Pages
204-212
Published: April 05, 2014
Released on J-STAGE: August 22, 2019
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Neutrino oscillation, a phenomenon where a certain flavor neutrino can later be measured as a different flavor neutrino, is an important research subject in the particle physics. In Tokai-to-Kamioka long baseline neutrino oscillation experiment (T2K), our primary motivation is (1) observation of ν_μ→ν_e oscillation (ν_e appearance) and (2) precise measurement of ν_μ→ν_x oscillation (ν_μ disappearance). Recently, there is a significant progress on the understanding of neutrino oscillation. T2K experiment reported the indication of ν_μ→ν_e oscillation in 2011, and subsequently the value of mixing angle, θ_<13>, which was the last parameter describing the neutrino oscillation model, was determined by several experiments using reactor neutrinos in 2012. T2K experiment also established the ν_μ→ν_e in this year. We now go toward remaining subjects on neutrino physics such as a discovery of CP violation in lepton sector and a determination of mass hierarchy by neutrino oscillation experiments. We report the recent results of ν_e appearance and ν_μ disappearance and future prospects in T2K experiment.
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Yasutaka Iwashita, Yasuyuki Kimura
Article type: Article
2014 Volume 69 Issue 4 Pages
213-217
Published: April 05, 2014
Released on J-STAGE: August 22, 2019
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A Janus colloidal particle with an attractive hemisphere has three valences on the hemisphere in two dimensions. With experiments and simulations, we study the dependence of the stable cluster phase of the colloids on this attraction. With weak attraction, small micellar clusters, mainly tetramers, form. These clusters aggregate into linear chains with the increase of the attraction; i.e., a small cluster behaves as a unit structure with two valences. This hierarchical structure suggests the importance of, not only the particle valence, but the valence structure of clusters in the phase behavior of low-valence particles.
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[in Japanese], [in Japanese], [in Japanese]
Article type: Article
2014 Volume 69 Issue 4 Pages
218-222
Published: April 05, 2014
Released on J-STAGE: August 22, 2019
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[in Japanese]
Article type: Article
2014 Volume 69 Issue 4 Pages
223-224
Published: April 05, 2014
Released on J-STAGE: August 22, 2019
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[in Japanese]
Article type: Article
2014 Volume 69 Issue 4 Pages
225-226
Published: April 05, 2014
Released on J-STAGE: August 22, 2019
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[in Japanese], [in Japanese]
Article type: Article
2014 Volume 69 Issue 4 Pages
227-229
Published: April 05, 2014
Released on J-STAGE: August 22, 2019
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[in Japanese], [in Japanese], [in Japanese], [in Japanese]
Article type: Article
2014 Volume 69 Issue 4 Pages
230-232
Published: April 05, 2014
Released on J-STAGE: August 22, 2019
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[in Japanese]
Article type: Article
2014 Volume 69 Issue 4 Pages
232-234
Published: April 05, 2014
Released on J-STAGE: August 22, 2019
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[in Japanese], [in Japanese]
Article type: Article
2014 Volume 69 Issue 4 Pages
234-236
Published: April 05, 2014
Released on J-STAGE: August 22, 2019
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[in Japanese], [in Japanese], [in Japanese]
Article type: Article
2014 Volume 69 Issue 4 Pages
237-239
Published: April 05, 2014
Released on J-STAGE: August 22, 2019
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[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...
Article type: Article
2014 Volume 69 Issue 4 Pages
239-241
Published: April 05, 2014
Released on J-STAGE: August 22, 2019
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[in Japanese]
2014 Volume 69 Issue 4 Pages
242-243
Published: April 05, 2014
Released on J-STAGE: August 22, 2019
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[in Japanese]
2014 Volume 69 Issue 4 Pages
243-244
Published: April 05, 2014
Released on J-STAGE: August 22, 2019
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[in Japanese]
2014 Volume 69 Issue 4 Pages
245-
Published: 2014
Released on J-STAGE: August 22, 2019
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[in Japanese]
Article type: Article
2014 Volume 69 Issue 4 Pages
245-246
Published: April 05, 2014
Released on J-STAGE: August 22, 2019
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[in Japanese]
Article type: Article
2014 Volume 69 Issue 4 Pages
246-
Published: April 05, 2014
Released on J-STAGE: August 22, 2019
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[in Japanese]
Article type: Article
2014 Volume 69 Issue 4 Pages
247-
Published: April 05, 2014
Released on J-STAGE: August 22, 2019
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Article type: Appendix
2014 Volume 69 Issue 4 Pages
248-251
Published: April 05, 2014
Released on J-STAGE: August 22, 2019
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Article type: Appendix
2014 Volume 69 Issue 4 Pages
252-
Published: April 05, 2014
Released on J-STAGE: August 22, 2019
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[in Japanese]
2014 Volume 69 Issue 4 Pages
252-
Published: April 05, 2014
Released on J-STAGE: August 22, 2019
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Article type: Appendix
2014 Volume 69 Issue 4 Pages
253-
Published: April 05, 2014
Released on J-STAGE: August 22, 2019
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Article type: Appendix
2014 Volume 69 Issue 4 Pages
254-257
Published: April 05, 2014
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2014 Volume 69 Issue 4 Pages
258-277
Published: April 05, 2014
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Article type: Appendix
2014 Volume 69 Issue 4 Pages
278-279
Published: April 05, 2014
Released on J-STAGE: August 22, 2019
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Article type: Appendix
2014 Volume 69 Issue 4 Pages
280-
Published: April 05, 2014
Released on J-STAGE: August 22, 2019
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