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Am and 
Cl plane sources using imaging plateYoshida, Tadayoshi; Tsujimura, Norio; Furukawa, Yohei*
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no abstracts in English
Kono, Takahiko; Hiyama, Yoshinori; Nakano, Masanao; Takeishi, Minoru
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no abstracts in English
Hashimoto, Mie; Fukaya, Yuki; Kawasuso, Atsuo; Ichimiya, Ayahiko
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no abstracts in English
Fukaya, Yuki; Hashimoto, Mie; Kawasuso, Atsuo; Ichimiya, Ayahiko
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no abstracts in English
Maekawa, Masaki; Kawasuso, Atsuo
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no abstracts in English
Fukaya, Yuki
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Lin, M.; Kumagai, Yuta; Muroya, Yusa*; Katsumura, Yosuke; Lampre, I.*; Coudert, F.*; Boutin, A.*; Mostafavi, M.*
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Hirade, Tetsuya
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Positron was discovered about 75 years ago. Chemistry of positron and positronium (bond state of electron and positron) will be introduced in this lecture. The initial point on understanding of mechanism of positronium formation in insulators was the spur reaction model proposed by Mogensen 33 years ago. Development of during these 20 years is very remarkable. I will present what has been clarified during these 30 years and what you can do by positrons.
Hirade, Tetsuya
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Ionic liquids has many remarkable properties. According to recent research works, free electrons can diffuse in ionic liquids. The free electrons are investigated by a reaction of free electrons and positrons, i.e. positronium formation. An anomalous long lifetime of para-positronium was observed. According to Age-momentum correlation measurement, this anomalous long lifetime is not caused by just a para-positronium component. It is indicating that free electrons can diffuse for long time.
Hata, Kuniki; Katsumura, Yosuke; Lin, M.; Muroya, Yusa*; Kudo, Hisaaki*; Nakagawa, Keiichi*; Nakagawa, Hidehiko*
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no abstracts in English
Saito, Sumiko*; Urahashi, Kumiko*; Kanoda, Hiromi*; Tange, Sachiko*; Yamazaki, Kyoko*; Obara, Takao*; Kinase, Sakae
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no abstracts in English
Fu, H.*; Katsumura, Yosuke; Lin, M.; Muroya, Yusa*; Hata, Kuniki
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Takahashi, Hiroyuki*; Katsumura, Yosuke; Lin, M.; Muroya, Yusa*; Kumagai, Yuta
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no abstracts in English
Yamashita, Shinichi*; Katsumura, Yosuke; Lin, M.; Muroya, Yusa*; Miyazaki, Toyoaki*; Murakami, Takeshi*; Meesungnoen, J.*; Jay-Gerin, J.-P.*
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no abstracts in English
Maeyama, Takuya*; Katsumura, Yosuke; Yamashita, Shinichi*; Lin, M.; Muroya, Yusa*; Miyazaki, Toyoaki*; Murakami, Takeshi*; Baldacchino, G.*
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no abstracts in English
sMuroya, Yusa*; Lin, M.; Han, Z.*; Kumagai, Yuta; Lampre, I.*; Mostafavi, M.*; Katsumura, Yosuke
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no abstracts in English
Saiki, Seiichi; Muroya, Yusa*; Kudo, Hisaaki*; Katsumura, Yosuke*; Nagasawa, Naotsugu; Tamada, Masao
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Carboxymethyl cellulose (CMC) forms gels at high concentrated solution by irradiation. It seems that polymer radicals produced by reactions between OH of water radiolysis products and polymer chains reacts with each other. To explain the mechanism of the crosslinking reaction, we study the behavior of polymer radicals in irradiated CMC aqueous solution. Measuring the change of the UV absorption spectrum by electron beam pulse radiolysis method, we confirmed the slow decay of absorbance for about 30 minutes at 10 mM CMC concentration, and the decay was slower with increasing CMC concentration. Next, CMC samples, which molecular weight was different and which degree of substitution of carboxymethyl group were almost same, was measured at the same 20 mM concentration. The result showed that the initial absorbance was almost same and that the decay of absorbance was slower with increasing molecular weight. From these results, we assumed that viscous property of CMC aqueous solution have littile influence on the yield but have some on reaction rate.
Seito, Hajime; Kojima, Takuji; Kaneko, Hirohisa; Haneda, Noriyuki; Ichikawa, Tatsuya*; Sato, Yoshishige*; Watanabe, Hiroshi*
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Ichikawa, Tatsuya*; Takehisa, Masaaki*; Sato, Yoshishige*; Sasuga, Tsuneo*; Watanabe, Hiroshi*; Haneda, Noriyuki; Seito, Hajime; Kojima, Takuji; Haruyama, Yasuyuki
no journal, ,
no abstracts in English