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Journal Articles

Room temperature quantum emission from cubic silicon carbide nanoparticles

Castelletto, S.*; Johnson, B. C.*; Zachreson, C.*; Beke, D.*; Balogh, I.*; Oshima, Takeshi; Aharonovich, I.*; Gali, A.*

ACS Nano, 8(8), p.7938 - 7947, 2014/08

 Times Cited Count:95 Percentile:90.09(Chemistry, Multidisciplinary)

Journal Articles

Micro-PIXE technique for the study of asian dust sources

Kasahara, Mikio*; Ma, C.-J.*; Okumura, Motonori*; Kojima, Takuji; Hakoda, Teruyuki; Taguchi, Mitsumasa; Sakai, Takuro; Ohara, Yoshihiro

JAERI-Review 2004-025, TIARA Annual Report 2003, p.256 - 258, 2004/11

As the source of Asian dust particles, the sands at four different desert areas in China were to be the target of bulk and single analyses by means of PIXE and micro-PIXE analyses, respectively. The physical properties of desert sands like morphology, color, and size were basically determined. Also the chemical characteristics of bulk sands of each desert were specified as the relative elemental mass. The elemental maps and spectra for individual sands allow us to understand the nature of individual sands. Consequently, the physicochemical properties of desert sands obtained from this study can be helpful to understand what kinds of man-made pollutants and sea-salts are incorporated into natural Asian dust particles.

Journal Articles

Collection efficiency of air sampling filter papers for polystyrene latex aerosols

; ; ; ;

Hoken Butsuri, 8(3), p.145 - 152, 1973/03

no abstracts in English

Oral presentation

New additional experiments of $$alpha$$-decay spectroscopy for $$^{261}$$Rf

Asai, Masato; Tsukada, Kazuaki; Sato, Nozomi*; Sato, Tetsuya; Toyoshima, Atsushi; Ishii, Tetsuro; Miyashita, Sunao*; Kaneya, Yusuke*; Shibata, Michihiro*; Shima, Yosuke*

no journal, , 

We have performed $$alpha$$-$$gamma$$ coincidence and high-resolution $$alpha$$-fine structure spectroscopy for $$^{261}$$Rf, and have obtained new information on nuclear structure of $$^{261}$$Rf. We have confirmed the existence of two $$gamma$$ transitions following the $$alpha$$ decay, and have succeeded in determining the $$alpha$$-transition energy very accurately. On the basis of these experimental results, we have estimated the spin-parities and neutron single-particle configurations of the ground- and isomeric states of $$^{261}$$Rf, and have obtained information on the single-particle configurations and nuclear deformations for heavier superheavy nuclei.

Oral presentation

Alpha decay of $$^{261}$$Rf

Asai, Masato; Tsukada, Kazuaki; Sato, Nozomi*; Sato, Tetsuya; Toyoshima, Atsushi; Ishii, Tetsuro; Miyashita, Sunao*; Kaneya, Yusuke*; Shima, Yosuke*; Shibata, Michihiro*

no journal, , 

We have obtained new experimental data for nuclear structure of $$^{261}$$Rf through $$alpha$$-decay spectroscopy. We have reconfirmed existence of two $$gamma$$ transitions in the $$alpha$$ decay of $$^{261}$$Rf through $$alpha$$-$$gamma$$ coincidence measurement, and determined the $$alpha$$-transition energy very precisely through high-resolution $$alpha$$-fine structure measurement. On the basis of these experimental results, we have estimated spin-parities and neutron single-particle configurations of the ground- and isomeric states of $$^{261}$$Rf, and have obtained information on the single-particle configurations and nuclear deformations for heavier superheavy nuclei.

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