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Journal Articles

Measurement of the spatial polarization distribution of circularly polarized gamma rays produced by inverse Compton scattering

Taira, Yoshitaka*; Endo, Shunsuke; Kawamura, Shiori*; Nambu, Taro*; Okuizumi, Mao*; Shizuma, Toshiyuki*; Omer, M.; Zen, H.*; Okano, Yasuaki*; Kitaguchi, Masaaki*

Physical Review A, 107(6), p.063503_1 - 063503_10, 2023/06

 Times Cited Count:0 Percentile:0.01(Optics)

no abstracts in English

Journal Articles

First observation of natural circular dichroism for biomolecules in soft X-ray region studied with a polarizing undulator

Tanaka, Masahito*; Nakagawa, Kazumichi*; Agui, Akane; Fujii, Kentaro; Yokoya, Akinari

Physica Scripta, T115, p.873 - 876, 2005/00

no abstracts in English

Journal Articles

Soft X-ray magnetic circular dichroism study of [Co/Pd] multilayered perpendicular magnetic films

Agui, Akane; Mizumaki, Masaichiro*; Matsushita, Tomohiro*; Asahi, Toru*; Kawaji, Jun*; Sayama, Junichi*; Osaka, Tetsuya*

Journal of Applied Physics, 95(12), p.7825 - 7831, 2004/06

 Times Cited Count:6 Percentile:27.83(Physics, Applied)

The electronic and spin states of [Co/Pd] multilayered perpendicular magnetization films with various seedlayers have been investigated by means of soft X-ray absorption and magnetic circular dichroism spectroscopy at the Co ${it L}$$$_{2,3}$$-edges. The expectation values of the orbital angular momentum $$<$$${it L}$$$_{z}$$$$>$$ and the spin angular momentum $$<$$${it S}$$$_{z}$$$$>$$ of Co atom in the [Co/Pd] multilayered film were estimated using the sum rule. It was found that the seedlayer changes macroscopic magnetic properties of the [Co/Pd] multilayered film without affecting the electronic and spin states of the upper layers of Co.

Journal Articles

Soft X-ray beamline for spectroscopy of solids at SPring-8

Saito, Yuji; Kimura, Hiroaki*; Suzuki, Yoshio*; Nakatani, Takeshi*; Matsushita, Tomohiro*; Muro, Takayuki*; Miyahara, Tsuneaki*; Fujisawa, M.*; Soda, Kazuo*; Ueda, Shigenori*; et al.

Nuclear Instruments and Methods in Physics Research A, 467-468(Part.1), p.553 - 556, 2001/07

 Times Cited Count:23 Percentile:82.42(Instruments & Instrumentation)

no abstracts in English

Journal Articles

Enantioenrichments of $$alpha$$-amino acids with high-intensity excimer laser

Shimizu, Yuichi

Laser Chemistry, 18(3), p.143 - 154, 1999/09

 Times Cited Count:3 Percentile:10.26(Chemistry, Physical)

no abstracts in English

Journal Articles

Current status of JAERI soft X-ray beamline BL23SU

Teraoka, Yuden; Yokoya, Akinari; Saito, Yuji; Nakatani, Takeshi; Okane, Tetsuo; Yoshigoe, Akitaka; Fujimori, Shinichi; *; Shimada, Taihei*; *; et al.

Dai-2-Kai SPring-8 Shinpojium Houbunsyu, p.215 - 239, 1998/00

no abstracts in English

Journal Articles

Twin helical undulator beamline for soft X-ray spectroscopy at SPring-8

Saito, Yuji; Nakatani, Takeshi*; Matsushita, T.*; Miyahara, Tsuneaki*; Fujisawa, M.*; *; *; *; *; *; et al.

Journal of Synchrotron Radiation, 5, p.542 - 544, 1998/00

 Times Cited Count:62 Percentile:94.44(Instruments & Instrumentation)

no abstracts in English

Journal Articles

Laser-induced enantioenrichment of tartaric acid via a multiphoton absorption process

Shimizu, Yuichi

J. Chem. Soc., Perkin Trans., 1, 0(9), p.1275 - 1278, 1997/00

no abstracts in English

Journal Articles

Laser-induced enantiodifferentiating reaction of tartaric acid using high-intensity circularly polarized light

Shimizu, Yuichi; Kawanishi, Shunichi

Chemical Communications, 0(11), p.1333 - 1334, 1996/06

no abstracts in English

Journal Articles

Efficient enantiomeric enrichment of tartaric acid using a highly intense circularly polarized light

Shimizu, Yuichi; Kawanishi, Shunichi

Chemical Communications, 0(7), p.819 - 820, 1996/04

no abstracts in English

JAEA Reports

Magnetic field calculation of variable polarizing undulator (APPLE-type) for SX beamline in the SPring-8

Kobayashi, Hideki*; Sasaki, Shigemi; Shimada, Taihei; Takao, Masaru*; Yokoya, Akinari;

JAERI-Tech 96-013, 32 Pages, 1996/03

JAERI-Tech-96-013.pdf:1.18MB

no abstracts in English

Journal Articles

First observation of undulator radiation from APPLE-1

Sasaki, Shigemi; Shimada, Taihei; ; *;

Nuclear Instruments and Methods in Physics Research A, 347, p.87 - 91, 1994/00

 Times Cited Count:18 Percentile:81.26(Instruments & Instrumentation)

no abstracts in English

JAEA Reports

Analysis of advanced planar polarized light emitter

Kakuno, Kazunori*; Sasaki, Shigemi; Shimada, Taihei;

JAERI-M 93-156, 27 Pages, 1993/08

JAERI-M-93-156.pdf:1.06MB

no abstracts in English

Journal Articles

Design of a new type of planar undulator for generating variably polarized radiation

Sasaki, Shigemi; Kakuno, Kazunori*; *; Shimada, Taihei; ;

Nuclear Instruments and Methods in Physics Research A, 331, p.763 - 767, 1993/00

 Times Cited Count:96 Percentile:98.63(Instruments & Instrumentation)

no abstracts in English

Journal Articles

A New undulator for generating variably polarized radiation

Sasaki, Shigemi; *; *

Japanese Journal of Applied Physics, 31(12B), p.L1794 - L1796, 1992/12

 Times Cited Count:73 Percentile:93.74(Physics, Applied)

no abstracts in English

JAEA Reports

Conceptual design of vertical undulator

Kakuno, Kazunori*; Sasaki, Shigemi

JAERI-M 92-157, 11 Pages, 1992/10

JAERI-M-92-157.pdf:0.56MB

no abstracts in English

Journal Articles

Faraday rotation and elliptization of electron cyclotron emission on reactor-grade tokamak plasma

Sato, Masayasu; Nagashima, Akira; Ishida, Shinichi; Isei, Nobuaki

Japanese Journal of Applied Physics, 30(11B), p.L1989 - L1992, 1991/11

 Times Cited Count:6 Percentile:38.71(Physics, Applied)

no abstracts in English

Journal Articles

The Use of a single wavelength Wiggler in PEP as a circular polarized hard X-ray source

Sasaki, Shigemi; B.Youngman*; H.Winick*

Nuclear Instruments and Methods in Physics Research A, 291(1-2), p.401 - 407, 1990/00

 Times Cited Count:3 Percentile:49.17(Instruments & Instrumentation)

no abstracts in English

Oral presentation

Development of polarimeter for circular polarization measurement of gamma-rays emitted from neutron capture reactions

Endo, Shunsuke; Abe, Ryota*; Ishizaki, Kohei*; Ito, Yuki*; Oku, Takayuki; Okudaira, Takuya*; Omer, M.; Kameda, Kento*; Kitaguchi, Masaaki*; Kimura, Atsushi; et al.

no journal, , 

no abstracts in English

Oral presentation

Development of gamma ray sources and their application studies in UVSOR-III

Taira, Yoshitaka*; Sugita, Kento*; Okano, Yasuaki*; Hirade, Tetsuya; Endo, Shunsuke; Zen, H.*; Shizuma, Toshiyuki*

no journal, , 

At UVSOR, a synchrotron radiation facility at the Institute for Molecular Science, gamma rays are generated by inverse Thomson scattering. Compared to gamma rays generated from radioisotopes and bremsstrahlung gamma rays, it has excellent features such as variable energy, quasi-monochromatic, low background, and high directivity. It is also possible to generate polarized gamma rays by using a polarized laser. Using this gamma ray, nuclear physics experiments such as isotope imaging by nuclear resonance fluorescence scattering, evaluation of gamma ray detectors, and research on material analysis by gamma ray-induced positron annihilation spectroscopy are being carried out. Positron annihilation spectroscopy is a powerful method that can analyze defects of sub-nm to several nm such as monatomic vacancies. Positrons can also be generated from gamma rays by pair production. By irradiating the sample with gamma rays, positrons are generated inside the sample, and it is possible to analyze defects in a bulk sample with a thickness of several cm. At this year's meeting, we will present the development of gamma ray sources in UVSOR, the magnetic Compton scattering experiment of circularly polarized gamma rays, the development of gamma ray-induced positron annihilation spectroscopy, and the development of measurement technology for spin-polarized positrons using circularly polarized gamma rays.

Oral presentation

Measurement of the circular polarization of $$gamma$$-rays from the $$^{139}$$La(n,$$gamma$$)$$^{140}$$La reactions

Endo, Shunsuke; Okudaira, Takuya*; Kameda, Kento*; Kawamura, Shiori*; Kitaguchi, Masaaki*; Kimura, Atsushi; Sakai, Kenji; Shima, Tatsushi*; Shimizu, Hirohiko*; Takada, Shusuke*; et al.

no journal, , 

no abstracts in English

21 (Records 1-20 displayed on this page)