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Journal Articles

Spallation and fragmentation cross sections for 168 MeV/nucleon $$^{136}$$Xe ions on proton, deuteron, and carbon targets

Sun, X. H.*; Wang, H.*; Otsu, Hideaki*; Sakurai, Hiroyoshi*; Ahn, D. S.*; Aikawa, Masayuki*; Fukuda, Naoki*; Isobe, Tadaaki*; Kawakami, Shunsuke*; Koyama, Shumpei*; et al.

Physical Review C, 101(6), p.064623_1 - 064623_12, 2020/06

https://doi.org/10.1103/PhysRevC.101.064623
 Times Cited Count：5 Percentile：52.72(Physics, Nuclear)

The spallation and fragmentation reactions of $$^{136}$$Xe induced by proton, deuteron and carbon at 168 MeV/nucleon were studied at RIKEN Radioactive Isotope Beam Factory via the inverse kinematics technique. The cross sections of the lighter products are larger in the carbon-induced reactions due to the higher total kinetic energy of carbon. The energy dependence was investigated by comparing the newly obtained data with previous results obtained at higher reaction energies. The experimental data were compared with the results of SPACS, EPAX, PHITS and DEURACS calculations. These data serve as benchmarks for the model calculations.

Journal Articles

Symmetry breaking in the metal-insulator transition of BaVS$$_{3}$$

Inami, Toshiya; Owada, Kenji; Kimura, Hiroyuki*; Watanabe, Masashi*; Noda, Yukio*; Nakamura, Hiroyuki*; Yamasaki, Tomoaki*; Shiga, Masayuki*; Ikeda, Naoshi*; Murakami, Yoichi

Physical Review B, 66(7), p.073108_1 - 073108_4, 2002/08

https://doi.org/10.1103/PhysRevB.66.073108
 Times Cited Count：45 Percentile：84.32(Materials Science, Multidisciplinary)

It has been believed for a long time that the metal-to-insulator (MI) transition of BaVS$$_{3}$$ is not accompanied by any spatial order of spin and lattice. We have carried out x-ray diffraction measurements of BaVS$$_{3}$$ single crystals using laboratory x-ray source as well as synchrotron radiation, and found that superlatiice reflections which double the lattice constant c exist below the transition temperature. The most porbable space group at the low-temperature insulator phase contains two in equivalent vanadium sites and thus a charge disproportionation of the vnadium ions is considered as the main cause of the MI transition.

Journal Articles

Helimagnetic structure of YMn$$_{2}$$ observed by means of nuclear magnetic resonance and neutron diffraction

Nakamura, Hiroyuki*; Metoki, Naoto; Suzuki, Shigeya*; Takayanagi, Fumikazu*; Shiga, Masayuki*

Journal of Physics; Condensed Matter, 13(3), p.475 - 500, 2001/01

https://doi.org/10.1088/0953-8984/13/3/309
 Times Cited Count：19 Percentile：68.12(Physics, Condensed Matter)

no abstracts in English

Journal Articles

Incommensurate magnetic ordering and spin-liquid-like state in a triangular lattice BaVS$$_{3}$$; Neutron diffraction and scattering study

Nakamura, Hiroyuki*; Yamasaki, Tomoaki*; Giri, S.*; Imai, Hideto*; Shiga, Masayuki*; Kojima, Kenji*; Nishi, Masakazu*; Kakurai, Kazuhisa*; Metoki, Naoto

Journal of the Physical Society of Japan, 69(9), p.2763 - 2766, 2000/09

https://doi.org/10.1143/JPSJ.69.2763
 Times Cited Count：61 Percentile：87(Physics, Multidisciplinary)

no abstracts in English

Journal Articles

Effect of Tb substitution on the helical modulation vector of YMn$$_{2}$$

Nakamura, Hiroyuki*; Shiga, Masayuki*; Metoki, Naoto

J. Magn. Magn. Mater., 163(1-2), p.L1 - L4, 1996/00

https://doi.org/10.1016/S0304-8853(96)00642-7
 Times Cited Count：5 Percentile：46.96(Materials Science, Multidisciplinary)

no abstracts in English

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