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Journal Articles

Induced mutagenesis and breeding of plants

Ono, Yutaka; Yokota, Wataru

Kasokuki, 12(4), p.189 - 192, 2016/01

Journal Articles

Analyses of iron and concrete shielding experiments at JAEA/TIARA with JENDL/HE-2007, ENDF/B-VII.1 and FENDL-3.0

Konno, Chikara; Ochiai, Kentaro; Sato, Satoshi; Ota, Masayuki

Fusion Engineering and Design, 98-99, p.2178 - 2181, 2015/10

 Times Cited Count:7 Percentile:60.95(Nuclear Science & Technology)

We have analyzed the iron and concrete shielding experiments with the 40 and 65 MeV neutron sources at TIARA in Japan Atomic Energy Agency with the latest high-energy nuclear data libraries, JENDL/HE-2007, ENDF/B-VII.1 and FENDL-3.0. The Monte Carlo code MCNP-5 and ACE files of JENDL/HE-2007, ENDF/B-VII.1 and FENDL-3.0, which were supplied from JAEA, BNL and IAEA, respectively, were used for this analysis. The followings are found out from the results. (1) The calculations with JENDL/HE-2007 agree with all the measured ones well; (2) Those with ENDF/B-VII.1 tend to overestimate the measured ones with the thickness of the assemblies largely; (3) Those with FENDL-3.0 agree with the measured ones well for the iron experiment, while they overestimate the measured ones well for the concrete experiment largely. Some data in ENDF/B-VII.1 and FENDL-3.0 should be revised.

Journal Articles

Status report of TIARA facility

Ishizaka, Tomohisa

Proceedings of 11th Annual Meeting of Particle Accelerator Society of Japan (Internet), p.372 - 375, 2014/10

no abstracts in English

Journal Articles

Measurements of deuteron-induced activation cross-sections for IFMIF accelerator structural materials

Nakao, Makoto*; Hori, Junichi*; Ochiai, Kentaro; Kubota, Naoyoshi; Sato, Satoshi; Yamauchi, Michinori*; Ishioka, Noriko; Nishitani, Takeo

Nuclear Instruments and Methods in Physics Research A, 562(2), p.785 - 788, 2006/06

 Times Cited Count:23 Percentile:84.38(Instruments & Instrumentation)

Activation cross sections for deuteron-induced reactions on aluminum, iron, copper, tantalum and tungsten were measured by using stacked-foil method. The stacked-foils were irradiated with deuteron beam at the AVF cyclotron in TIARA facility, JAERI. We obtained the activation cross-sections for $$^{27}$$Al(d,x)$$^{22,24}$$Na, $$^{nat}$$Fe(d,x)$$^{55,56}$$Co, $$^{nat}$$Cu(d,x)$$^{61}$$Cu, $$^{nat}$$Cu(d,x)$$^{62}$$Zn, $$^{nat}$$Ta(d,x)$$^{178,180}$$Ta and $$^{nat}$$W(d,x)$$^{181,183}$$Re in 20-40MeV region. These cross-sections were compared with other experimental ones and the data in the ACSELAM library calculated by the ALICE-F code.

Journal Articles

Development of beam generation and irradiation technology for electrostatic accelerators

Chiba, Atsuya; Uno, Sadanori; Okoshi, Kiyonori; Yamada, Keisuke; Saito, Yuichi; Ishii, Yasuyuki; Sakai, Takuro; Sato, Takahiro; Mizuhashi, Kiyoshi

JAEA-Review 2005-001, TIARA Annual Report 2004, p.358 - 360, 2006/01

no abstracts in English

Journal Articles

Measurements of deuteron-induced activation cross sections for vanadium, iron, nickel and tantalum in 14-40 MeV region

Nakao, Makoto*; Ochiai, Kentaro; Kubota, Naoyoshi; Sato, Satoshi; Ishioka, Noriko; Nishitani, Takeo

JAEA-Review 2005-001, TIARA Annual Report 2004, p.283 - 285, 2006/01

Measurements of deuteron-induced activation cross sections for IFMIF accelerator structural materials (vanadium, iron, nickel and tantalum) were performed. In this work, we have obtained the cross sections for $$^{51}$$V(d,x)$$^{49}$$Cr, $$^{nat}$$Fe(d,x)$$^{55,56}$$Co, $$^{nat}$$Ni(d,x)$$^{55}$$Co, $$^{60,61}$$Cu and $$^{181}$$Ta(d,x)$$^{178,180}$$Ta reactions in 14-40 MeV region. These cross sections will be compared with other experimental ones and calculated value.

Journal Articles

Micro-PIXE for the study of atmospheric environment

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

JAEA-Review 2005-001, TIARA Annual Report 2004, p.293 - 295, 2006/01

Artificial cloud generation experiment was performed using a huge vertical pit located in Kamaishi iron-copper mine to investigate the characteristics of cloud. The physical and chemical properties of individual cloud droplets were examined by microscopic analysis at Kyoto university and micro-PIXE analysis at TIARA. The process of growth of cloud was clarified based on the result on droplet size, its distribution, droplet number concentration, and the change in distribution of chlorine in droplet as the function of size.

Journal Articles

Focused microbeam formation for heavy ion beam from AVF cyclotron

Yokota, Wataru; Sato, Takahiro; Oikawa, Masakazu*; Sakai, Takuro; Okumura, Susumu; Kurashima, Satoshi; Miyawaki, Nobumasa; Kashiwagi, Hirotsugu; Fukuda, Mitsuhiro

JAEA-Review 2005-001, TIARA Annual Report 2004, p.291 - 292, 2006/01

no abstracts in English

Journal Articles

Operation of JAERI AVF cyclotron system

Nara, Takayuki; Agematsu, Takashi; Ishibori, Ikuo; Kurashima, Satoshi; Yoshida, Kenichi; Fukuda, Mitsuhiro; Okumura, Susumu; Miyawaki, Nobumasa; Kashiwagi, Hirotsugu; Nakamura, Yoshiteru; et al.

JAEA-Review 2005-001, TIARA Annual Report 2004, P. 370, 2006/01

no abstracts in English

Journal Articles

Improvement of the 3MV single-ended accelerator

Uno, Sadanori; Takayama, Terumitsu*; Koka, Masashi*; Mizuhashi, Kiyoshi

Dai-18-Kai Tandemu Kasokuki Oyobi Sono Shuhen Gijutsu No Kenkyukai Hokokushu, p.133 - 136, 2005/11

no abstracts in English

Journal Articles

A Report on TIARA Research Review Meeting

Arakawa, Kazuo

Hoshasen Kagaku, (80), p.57 - 59, 2005/09

no abstracts in English

Journal Articles

Effect of ion irradiation and implantation of H and He on the corrosion behavior of austenitic stainless steel

Nemoto, Yoshiyuki; Miwa, Yukio; Kaji, Yoshiyuki; Tsukada, Takashi

Journal of Nuclear Materials, 343(1-3), p.313 - 317, 2005/08

 Times Cited Count:2 Percentile:18.81(Materials Science, Multidisciplinary)

The aim of this work is to evaluate corrosion behavior of irradiated materials these would be used in spallation neutron sources. Solution annealed high purity Fe-18Cr-12Ni specimens were used in this study. Ni$$^{3+}$$, H+ and He$$^{2+}$$ ions were irradiated at 473 to 773K. After corrosion procedure, the specimens were examined with atomic force microscope (AFM) to evaluate corrosion behavior. It was shown that the corroded volume of irradiated area increased with radiation damage. Higher H content at lower temperature accelerated corrosion, but H at higher temperature did not accelerate corrosion. He suppressed corrosion, and corroded volume was larger for the specimens irradiated at higher temperature than these at lower temperature. It is suggested from this study that H and He affect the corrosion behavior of irradiated alloy.

JAEA Reports

TIARA annual report 2003

Advanced Radiation Technology Center

JAERI-Review 2004-025, 374 Pages, 2004/11

JAERI-Review-2004-025-p0001-p0116.pdf:20.67MB
JAERI-Review-2004-025-p0117-p0247.pdf:21.34MB
JAERI-Review-2004-025-p0248-p0374.pdf:23.39MB

This annual report describes research and development activities which have been performed with the JAERI TIARA (Takasaki Ion Accelerators for Advanced Radiation Application) facilities from April 1, 2003 to March 31, 2004. Summary reports of 115 papers and brief descriptions on the status of TIARA in the period are contained. A list of publications, the type of research collaborations and organization of TIARA are also given as appendices.

Journal Articles

Measurements of deuteron-induced activation cross sections for IFMIF accelerator structural materials in 22-40 MeV region

Nakao, Makoto*; Hori, Junichi*; Ochiai, Kentaro; Sato, Satoshi; Yamauchi, Michinori*; Ishioka, Noriko; Nishitani, Takeo

JAERI-Review 2004-025, TIARA Annual Report 2003, p.245 - 247, 2004/11

Measurements of deuteron-induced activation cross sections for IFMIF(International Fusion Materials Irradiation Facility) accelerator structural materials(aluminum,copper,tungsten) were performed by using the AVF cyclotron in TIARA. We obtained the activation cross sections for the reactions $$^{27}$$Al(d,x)$$^{27}$$Mg, $$^{24}$$Na, $$^{nat}$$Cu(d,x)$$^{62,63}$$Zn, $$^{61,64}$$Cu, and $$^{nat}$$W(d,x)$$^{187}$$W, $$^{181-184,186}$$Re in 22-40 MeV rigion. The present results were compared with other experimental ones and the data in the ACSELAM library.

Journal Articles

Development of beam current stabilization system using wire type beam attenuator

Okoshi, Kiyonori; Chiba, Atsuya; Mizuhashi, Kiyoshi; Tajima, Satoshi

JAERI-Review 2004-025, TIARA Annual Report 2003, p.324 - 325, 2004/11

no abstracts in English

Journal Articles

Measurements of deuteron-induced activation cross sections for IFMIF accelerator structural materials

Nakao, Makoto*; Hori, Junichi*; Ochiai, Kentaro; Sato, Satoshi; Yamauchi, Michinori*; Ishioka, Noriko; Nishitani, Takeo

Proceedings of International Conference on Nuclear Data for Science and Technology (ND 2004), p.1489 - 1492, 2004/09

no abstracts in English

Journal Articles

Feasilibity study of the K900 superconducting AVF cyclotron for materials science and biotechnology

Fukuda, Mitsuhiro; Okumura, Susumu; Kurashima, Satoshi; Miyawaki, Nobumasa; Ishii, Yasuyuki; Saito, Yuichi; Mizuhashi, Kiyoshi; Agematsu, Takashi; Chiba, Atsuya; Sakai, Takuro; et al.

Proceedings of 1st Annual Meeting of Particle Accelerator Society of Japan and 29th Linear Accelerator Meeting in Japan, p.643 - 645, 2004/08

A superconducting AVF cyclotron with a bending limit of 900 MeV and a focusing limit of 300 MeV is being designed to meet the requirements for the research in materials science and biotechnology at TIARA facility of JAERI. The spiral-sector shape of the cyclotron magnet has been optimized for acceleration of a 300 MeV proton to produce sufficient focusing forces in an extraction region. An energy range of the superconducting AVF cyclotron overlaps with that of the present K110 JAERI AVF cyclotron. Characteristics of a resonator for the superconducting AVF cyclotron have been investigated using the MAFIA code. An acceleration voltage in a frequency range of 24 to 64 MHz can be produced by the resonator with a $$lambda$$/2 excitation mode.

Journal Articles

Useful tool for human life and industry, 3; Irradiation facilities of ion beams

Yokota, Wataru

Kigyo Sapoto Gumma, P. 12, 2004/06

no abstracts in English

Journal Articles

Development of single-ion hit techniques and their applications at TIARA of JAERI Takasaki

Kamiya, Tomihiro; Hirao, Toshio; Kobayashi, Yasuhiko

Nuclear Instruments and Methods in Physics Research B, 219-220, p.1010 - 1014, 2004/06

 Times Cited Count:8 Percentile:50.96(Instruments & Instrumentation)

no abstracts in English

JAEA Reports

Operation manual of Microbeam System in Takasaki for Biological Application (MiST-BA)

Sakashita, Tetsuya; Yokota, Yuichiro; Wada, Seiichi; Funayama, Tomoo; Kobayashi, Yasuhiko

JAERI-Tech 2004-007, 91 Pages, 2004/03

JAERI-Tech-2004-007.pdf:14.83MB

Microbeam System is a powerful tool for micro-radiosurgery studies and direct investigation of cell-to-cell communications such as "bystander effects". Microbeam system in Takasaki for biological application (MiST-BA) has been developed for several years and applied to some cases. There were fate mapping of the cellular blastoderm stage egg of the silkworm and bystander effects such as inhibition of cell proliferation, induction of micronuclei, and so on. The aim of this report (operation manual) is to provide a simple and easy usage of MiST-BA for current and new users. MiST-BA consists of three parts; (1) Offline microscope control system for cell-finding, (2) Online microscope control system for cell-targeting and irradiating, and (3) Beam shutter control system for cell irradiation with a precise number of heavy ions. The report presents the outline of MiST-BA, the operation protocol of each part, examples of a microbeam irradiation experiment using CHO-K1 cells, silkworm eggs, and Tobacco protoplast cells, and Trouble shooting.

83 (Records 1-20 displayed on this page)