Butsuri

Online ISSN : 2423-8872
Print ISSN : 0029-0181
ISSN-L : 0029-0181

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Volume 61, Issue 10

Displaying 1-24 of 24 articles from this issue

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[title in Japanese]

Article type: Index
2006 Volume 61 Issue 10 Pages Toc1-
Published: October 05, 2006
Released on J-STAGE: May 31, 2022

DOIhttps://doi.org/10.11316/butsuri.61.10_Toc1

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[title in Japanese]

Article type: Index
2006 Volume 61 Issue 10 Pages Toc3-
Published: October 05, 2006
Released on J-STAGE: May 31, 2022

DOIhttps://doi.org/10.11316/butsuri.61.10_Toc3

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The 35 Years of KEK Proton Synchrotron(The Achievements of KEK 12 GeV Proton-Synchrotron)

Yoshinobu Takaiwa

2006 Volume 61 Issue 10 Pages 723-
Published: October 05, 2006
Released on J-STAGE: May 31, 2022

DOIhttps://doi.org/10.11316/butsuri.61.10_723

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Proton-Synchrotron of the High Energy Accelerator Research Organization (KEK) has finished its operation. On this occasion, a series of articles is presented to summarize how it has been contributing to the physics.

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The Dawn of High Energy Physics in Japan(The Achievements of KEK 12 GeV Proton-Synchrotron)

Yorikiyo Nagashima

2006 Volume 61 Issue 10 Pages 724-731
Published: October 05, 2006
Released on J-STAGE: May 31, 2022

DOIhttps://doi.org/10.11316/butsuri.61.10_724

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An early history of the KEK-PS (12 GeV Proton Synchrotron of the National Laboratory for High Energy Physics) is described. The first half of the article is devoted to a hard labor which KEK, as the first national scientific research laboratory in Japan, had to suffer. Cut down to 1/4 in budget, reduced from 40 to 12 GeV in energy, and fifteen years behind the world fronts like CERN-PS and BNL-AGS, KEK-PS could not expect a bright future. Happily, it turned out to be very productive as exemplified by the success of a neutrino oscillation experiment. The latter half of this article describes the PS physics output of the first ten years of its 30 year's life which ended in 2005.

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Intermediate Energy Nuclear Physics at KEK-PS(The Achievements of KEK 12 GeV Proton-Synchrotron)

Kozi Nakai

2006 Volume 61 Issue 10 Pages 731-738
Published: October 05, 2006
Released on J-STAGE: May 31, 2022

DOIhttps://doi.org/10.11316/butsuri.61.10_731

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The role of KEK-PS in the development of Japanese intermediate-energy nuclear physics is discussed. In spite of the low kaon beam intensities the hypernuclear physics programs has been successful by the use of (π, K) reactions for production of hypernuclei. Unique developments of detectors such as the large acceptance spectorometer SKS, the Hyperball for high resolution γ-ray spectroscopy, and the scintillation track detectors SCIFI/SCITIC were also important elements behind the experimental success. In connection with the hypernuclear studies new exotic phenomena were disclosed which covered hadron-, nuclear- and atomic-physics. Thus, the KEK-PS has left many interesting subjects for the successor, J-PARC.

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Particle Physics Experiments at the KEK-PS : Neutrino Oscillation and Kaon Decays(The Achievements of KEK 12 GeV Proton-Synchrotron)

Kenzo Nakamura

2006 Volume 61 Issue 10 Pages 738-745
Published: October 05, 2006
Released on J-STAGE: May 31, 2022

DOIhttps://doi.org/10.11316/butsuri.61.10_738

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The history of KEK-PS experiments can be divided into three periods. In the second period (1985-1998), it became possible to allocate long run time to a few large-scale kaon decay experiments. As a result, the KEK-PS became a competitor of world major laboratories in the field of kaon decay experiments. In the third period (1999-2005), the KEK-PS has become a front runner in neutrino and kaon-decay physics with the first accelerator long-baseline neutrino oscillation experiment in the world as well as unique kaon decay experiments.

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KEK-PS in the History of Accelerators in Japan(The Achievements of KEK 12 GeV Proton-Synchrotron)

Motohiro Kihara

2006 Volume 61 Issue 10 Pages 745-751
Published: October 05, 2006
Released on J-STAGE: May 31, 2022

DOIhttps://doi.org/10.11316/butsuri.61.10_745

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Development of accelerators in Japan is described. After explaining major historical events toward the foundation of KEK, activities on the KEK-PS in 35 years are surveyed. Spin-off of high-energy accelerator technologies to different science discipline is explained.

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Multipurpose Utilization of Proton Accelerator―Physics to Medicine(The Achievements of KEK 12 GeV Proton-Synchrotron)

Susumu Ikeda

2006 Volume 61 Issue 10 Pages 751-757
Published: October 05, 2006
Released on J-STAGE: May 31, 2022

DOIhttps://doi.org/10.11316/butsuri.61.10_751

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In the Booster Synchrotron Utilization Facility (BSF) of KEK, a novel project was started in 1980, in which 500 MeV protons was supplied into three research facilities of neutron science, muon science and medical science. In a long period of 1980-2006, this project has produced many great scientific results and led a broad field of sciences as the center of excellent of the world. This has also provided a precious chance that scientists in the various fields could discuss together. BSF was a great site of scientific conflation. The proton supply to those facilities was stopped on March, 2006.

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Simulation of Anomalous Wave Propagation with Electric Curcuits(Review)

Masao Kitano, Toshihiro Nakanishi

Article type: Review
2006 Volume 61 Issue 10 Pages 758-765
Published: October 05, 2006
Released on J-STAGE: May 31, 2022

DOIhttps://doi.org/10.11316/butsuri.61.10_758

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Owing to the recent development of quantum optical experiments, one can make light pulses propagate faster than the speed of light, c. It is also possible to make them run at the speed of bicycles and even come to complete stop. These anomalous light velocities not only attract attentions from the viewpoints of applications but also provide opportunity to review the physics of wave propagation. We present electric circuits that simulate wave propagation and discuss the physical implications of superluminal propagation and the mechanism of freezing of light pulses.

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Magnetic Octupole Order――The Theoretical Interpretation for Resonant X-Ray Scattering(Current Topic)

Hiroaki Kusunose, Yoshio Kuramoto

Article type: Current Topics
2006 Volume 61 Issue 10 Pages 766-769
Published: October 05, 2006
Released on J-STAGE: May 31, 2022

DOIhttps://doi.org/10.11316/butsuri.61.10_766

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The mysterious phase in Ce_xLa<1-x>B_6 is discussed with emphasis on the nature of the hidden order parameter. We explain the characteristic behaviors of ordered multipoles such as the electric quadrupole and the magnetic octupole, which become active in orbitally degenerate electron systems. We give the theoretical interpretation of the resonant X-ray measurement yielding that an antiferro magnetic octupole order is realized in this mysterious phase.

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Electron-Hole Asymmetry in Cuprate Superconductors : An Approach from Mott Insulator(Current Topic)

Takami Tohyama

Article type: Current Topics
2006 Volume 61 Issue 10 Pages 770-773
Published: October 05, 2006
Released on J-STAGE: May 31, 2022

DOIhttps://doi.org/10.11316/butsuri.61.10_770

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The electronic states in cuprate superconductors show remarkable asymmetry between electron- and hole-doped cases though both cases exhibit d-wave superconductivity. We argue that the asymmetry can be explained by using a single parameter t' that is the second-neighbor hopping, from the viewpoint of doped Mott insulators.

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Mechanism of Impact Factor

Makoto Kuwabara

2006 Volume 61 Issue 10 Pages 774-776
Published: October 05, 2006
Released on J-STAGE: May 31, 2022

DOIhttps://doi.org/10.11316/butsuri.61.10_774

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A Stay in India ～Plasma Experiments in Assam(La Toccata)

Yoshiharu Nakamura

Article type: La Toccata
2006 Volume 61 Issue 10 Pages 777-778
Published: October 05, 2006
Released on J-STAGE: May 31, 2022

DOIhttps://doi.org/10.11316/butsuri.61.10_777

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JPSJ Selected Papers in the Latest Issue

Hiroyuki Shiba

Article type: Article
2006 Volume 61 Issue 10 Pages 779-
Published: October 05, 2006
Released on J-STAGE: May 31, 2022

DOIhttps://doi.org/10.11316/butsuri.61.10_779

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[title in Japanese]

[in Japanese]

2006 Volume 61 Issue 10 Pages 780-
Published: October 05, 2006
Released on J-STAGE: May 31, 2022

DOIhttps://doi.org/10.11316/butsuri.61.10_780_1

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[title in Japanese]

[in Japanese]

2006 Volume 61 Issue 10 Pages 780-781
Published: October 05, 2006
Released on J-STAGE: May 31, 2022

DOIhttps://doi.org/10.11316/butsuri.61.10_780_2

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[title in Japanese]

[in Japanese]

2006 Volume 61 Issue 10 Pages 781-
Published: October 05, 2006
Released on J-STAGE: May 31, 2022

DOIhttps://doi.org/10.11316/butsuri.61.10_781_1

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[title in Japanese]

[in Japanese]

2006 Volume 61 Issue 10 Pages 781-782
Published: October 05, 2006
Released on J-STAGE: May 31, 2022

DOIhttps://doi.org/10.11316/butsuri.61.10_781_2

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[title in Japanese]

[in Japanese], [in Japanese], [in Japanese], [in Japanese]

2006 Volume 61 Issue 10 Pages 782-783
Published: October 05, 2006
Released on J-STAGE: May 31, 2022

DOIhttps://doi.org/10.11316/butsuri.61.10_782

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[title in Japanese]

Article type: Appendix
2006 Volume 61 Issue 10 Pages 784-791
Published: October 05, 2006
Released on J-STAGE: May 31, 2022

DOIhttps://doi.org/10.11316/butsuri.61.10_784

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[title in Japanese]

Article type: Appendix
2006 Volume 61 Issue 10 Pages 792-793
Published: October 05, 2006
Released on J-STAGE: May 31, 2022

DOIhttps://doi.org/10.11316/butsuri.61.10_792

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[title in Japanese]

[in Japanese]

2006 Volume 61 Issue 10 Pages 793-794
Published: October 05, 2006
Released on J-STAGE: May 31, 2022

DOIhttps://doi.org/10.11316/butsuri.61.10_793

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[title in Japanese]

2006 Volume 61 Issue 10 Pages 795-796
Published: 2006
Released on J-STAGE: May 31, 2022

DOIhttps://doi.org/10.11316/butsuri.61.10_795

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[title in Japanese]

Article type: Appendix
2006 Volume 61 Issue 10 Pages 797-798
Published: October 05, 2006
Released on J-STAGE: May 31, 2022

DOIhttps://doi.org/10.11316/butsuri.61.10_797

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