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Journal Articles

Ultrafast pulse radiolysis methods

Belloni, J.*; Crowell, R. A.*; Katsumura, Yosuke; Lin, M.; Marignier, J. L.*; Mostafavi, M.*; Muroya, Yusa*; Saeki, Akinori*; Tagawa, Seiichi*; Yoshida, Yoichi*; et al.

Recent Trends in Radiation Chemistry, p.121 - 160, 2010/05

In this review, we summarized development and application of highly time resolved spectroscopy system in order to measure radiation induced fast phenomena together with current status of the systems in the world.

Journal Articles

Picosecond pulse radiolysis; Dynamics of solvated electrons in ionic liquid and geminate ion recombination in liquid alkanes

Yang, J.*; Kondo, Takafumi*; Norizawa, Kimihiro*; Nagaishi, Ryuji; Taguchi, Mitsumasa; Takahashi, Kenji*; Kato, Ryuji*; Anishchik, S. V.*; Yoshida, Yoichi*; Tagawa, Seiichi*

Radiation Physics and Chemistry, 77(10-12), p.1233 - 1238, 2008/10

 Times Cited Count:25 Percentile:82.43(Chemistry, Physical)

First observation of picosecond dynamics in ionic liquid of DEMMA-TFSI in radiation chemistry was reported. It is found that the electron produced by ionization is solvated to full solvation in ionic liquid with a rate constant of 3.9$$times$$10$$^{10}$$ s$$^{-1}$$. The yield of solvated electrons in picosecond time region is 1.2$$times$$10$$^{-7}$$ mol J$$^{-1}$$. The dry electron in ionic liquid reacts rapidly with biphenyl and pyrene with a rate constant of 3.8 to 7.9$$times$$10$$^{11}$$ L mol$$^{-1}$$ s$$^{-1}$$. The geminate ion recombination in n-dodecane and n-hexane was also observed by monitoring the transient absorptions at 523 nm.

Journal Articles

Study of radiation-induced primary process by ion pulse radiolysis

Yoshida, Yoichi*; Yang, J.*; Kondo, Takafumi*; Seki, Shuhei*; Kozawa, Takahiro*; Tagawa, Seiichi*; Shibata, Hiromi*; Taguchi, Mitsumasa; Kojima, Takuji; Namba, Hideki

JAEA-Review 2005-001, TIARA Annual Report 2004, p.183 - 185, 2006/01

A heavy-ion-pulse radiolysis technology was developed using a single-photon-counting system. In the system, the ion beam was injected a thin scintillator before irradiating the sample. The light emitted from the scintillator by the ion irradiation was used as analyzing source to detect the absorption of primary species in water. Measurement of time-dependent absorption of hydrated electrons in water was achieved using the system, which demonstrates the usefulness of this technique.

Journal Articles

Primary process of radiation chemistry studied by ion pulse radiolysis

Yoshida, Yoichi*; Yang, J.*; Saeki, Akinori*; Tagawa, Seiichi*; Shibata, Hiromi*; Namba, Hideki; Kojima, Takuji; Taguchi, Mitsumasa

JAERI-Review 2004-025, TIARA Annual Report 2003, p.143 - 144, 2004/11

no abstracts in English

Journal Articles

Primary process of radiation chemistry studied by ion pulse radiolisys

Yoshida, Yoichi*; Yang, J.*; Seki, Shuhei*; Saeki, Akinori*; Tagawa, Seiichi*; Shibata, Hiromi*; Taguchi, Mitsumasa; Kojima, Takuji; Namba, Hideki

JAERI-Review 2003-033, TIARA Annual Report 2002, p.145 - 146, 2003/11

no abstracts in English

Journal Articles

Pulse radiolysis study on reactions of a hydrated electron with europium(III); Aminopolycarboxylate complexes in aqueous perchlorate media

Nagaishi, Ryuji; Kimura, Takaumi; Yoshida, Yoichi*; Kozawa, Takahiro*; Tagawa, Seiichi*

Journal of Physical Chemistry A, 106(39), p.9036 - 9041, 2002/10

 Times Cited Count:3 Percentile:8.63(Chemistry, Physical)

no abstracts in English

Journal Articles

Ion beam induced crosslinking reactions in poly(di-n-hexylsilane)

Seki, Shuhei*; *; *; *; Yoshida, Yoichi*; Kudo, Hisaaki; Sugimoto, Masaki; Morita, Yosuke; Seguchi, Tadao; *; et al.

Journal of Physical Chemistry B, 103(15), p.3043 - 3048, 1999/00

 Times Cited Count:47 Percentile:77.87(Chemistry, Physical)

no abstracts in English

Journal Articles

Ion beam pulse radiolysis studies on liquid scintillators

Shibata, Hiromi*; Yoshida, Yoichi*; Tagawa, S.*; Aoki, Yasushi; Namba, Hideki

Nuclear Instruments and Methods in Physics Research A, 327, p.53 - 56, 1993/00

 Times Cited Count:8 Percentile:64.01(Instruments & Instrumentation)

no abstracts in English

Journal Articles

Studies on ion beam microdosimetry

Namba, Hideki; Aoki, Yasushi; Shibata, Hiromi*; Yoshida, Yoichi*; Side, Y.*; Tagawa, S.*; Nagai, Shiro; Watanabe, Hiroshi

Tokyo Daigaku Genshiryoku Kenkyusho Sogo Senta Heisei-Gan-Nendo Jushosha Kanribu Nempo, p.21 - 23, 1989/00

no abstracts in English

Oral presentation

Development of methodologies for validation of groundwater flow and mass transport model, 2; A Case study using investigation data obtained at the Mizunami Underground Research Laboratory

Hane, Koji*; Onoe, Hironori*; Ishibashi, Masayuki*; Tabei, Kazuto*; Namikawa, Tadashi*; Tagawa, Yoichi*; Saegusa, Hiromitsu*; Ishida, Keisuke*; Fujisaki, Kiyoshi*; Sawada, Atsushi

no journal, , 

no abstracts in English

Oral presentation

Fracture conditioning examination of DFN model by in-situ investigation data, 1

Esaki, Taichi*; Ishibashi, Masayuki*; Tagawa, Yoichi*; Namikawa, Tadashi*; Hane, Koji*; Masumoto, Kazuhiko*; Onoe, Hironori*; Saegusa, Hiromitsu*; Ishida, Keisuke*; Fujisaki, Kiyoshi*; et al.

no journal, , 

no abstracts in English

Oral presentation

Fracture conditioning examination of DFN model by in-situ investigation data, 2

Namikawa, Tadashi*; Ishibashi, Masayuki*; Esaki, Taichi*; Tagawa, Yoichi*; Hane, Koji*; Masumoto, Kazuhiko*; Onoe, Hironori*; Saegusa, Hiromitsu*; Ishida, Keisuke*; Fujisaki, Kiyoshi*; et al.

no journal, , 

no abstracts in English

Oral presentation

Case study on the development of methodologies for validation of groundwater flow and mass transport model, 1; Outline of the study

Onoe, Hironori*; Ishibashi, Masayuki*; Esaki, Taichi*; Tagawa, Yoichi*; Tabei, Kazuto*; Namikawa, Tadashi*; Hane, Koji*; Saegusa, Hiromitsu*; Ishida, Keisuke*; Sawada, Atsushi

no journal, , 

no abstracts in English

Oral presentation

Case study on the development of methodologies for validation of groundwater flow and mass transport model, 2; Effects of the modeling methods of low permeability fractures on groundwater flow characterization

Ishibashi, Masayuki*; Onoe, Hironori*; Esaki, Taichi*; Tagawa, Yoichi*; Tabei, Kazuto*; Namikawa, Tadashi*; Hane, Koji*; Saegusa, Hiromitsu*; Ishida, Keisuke*; Sawada, Atsushi

no journal, , 

no abstracts in English

Oral presentation

Case study on the development of methodologies for validation of groundwater flow and mass transport model, 3; Effects of the conditioning methods of fractures on groundwater flow characterization

Namikawa, Tadashi*; Onoe, Hironori*; Esaki, Taichi*; Hane, Koji*; Tagawa, Yoichi*; Ishibashi, Masayuki*; Tabei, Kazuto*; Saegusa, Hiromitsu*; Ishida, Keisuke*; Sawada, Atsushi

no journal, , 

no abstracts in English

Oral presentation

Case study on the development of methodologies for validation of groundwater flow and mass transport model, 4; Construction of the ECPM model based on the DFN model

Tagawa, Yoichi*; Onoe, Hironori*; Esaki, Taichi*; Hane, Koji*; Ishibashi, Masayuki*; Namikawa, Tadashi*; Tabei, Kazuto*; Saegusa, Hiromitsu*; Ishida, Keisuke*; Sawada, Atsushi

no journal, , 

no abstracts in English

Oral presentation

Case study on the development of methodologies for validation of groundwater flow and mass transport model, 5; Effects of the modeling concept of fractures on groundwater flow and mass transport characterization

Hane, Koji*; Onoe, Hironori*; Ishibashi, Masayuki*; Esaki, Taichi*; Tagawa, Yoichi*; Tabei, Kazuto*; Namikawa, Tadashi*; Saegusa, Hiromitsu*; Ishida, Keisuke*; Sawada, Atsushi

no journal, , 

no abstracts in English

17 (Records 1-17 displayed on this page)
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