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Journal Articles

Research on factor analysis for achieving denuclearization, 2; South Africa: Denuclearization and verification methods

Kimura, Takashi; Tazaki, Makiko; Shimizu, Ryo; Tamai, Hiroshi; Nakatani, Takayoshi; Suda, Kazunori

Nihon Kaku Busshitsu Kanri Gakkai Dai-40-Kai Nenji Taikai Puroshidhingusu, p.85 - 88, 2019/11

This is the summary of research result of methods for denuclearization and IAEA verification after the denuclearization in South Africa. South Africa had developed and possessed nuclear weapons, and dismantled them including the related facilities and equipment etc. by itself secretly in the past. The method for the denuclearization and the verification is unique in the world. This report could give us the lessons to investigate how to denuclearize and to verify them.

Journal Articles

Universality of safeguards based on the application of safeguards in nuclear weapon states

Tsuboi, Hiroshi; Kanda, Keiji*

Nippon Genshiryoku Gakkai-Shi, 43(1), p.67 - 82, 2001/01

 Times Cited Count:0 Percentile:100(Nuclear Science & Technology)

no abstracts in English

JAEA Reports

Analyse on the BFS critical experiments; An analysis on the BFS-62-1 assembly

; Iwai, Takehiko*;

JNC-TN9400 2000-098, 182 Pages, 2000/07

JNC-TN9400-2000-098.pdf:5.74MB

In order to support the Russian excess weapons plutonium disposition, the international collaboration has been started between Japan Nuclear Cycle Development Institute (JNC) and Russian Institute of Physics and Power Engineering (IPPE). In the frame of the collaboration, JNC has carried out analyses on the BFS-62 assemblies that are constructed in the fast reactor critical experimental facility BFS-2 of IPPE. This report summarizes an experimental analysis on the BFS-62-1 assembly, which is the first core of the BFS-62 series. The core contains the enriched U0$$_{2}$$ fuel surrounded by the U0$$_{2}$$ blanket. The standard analytical method for fast reactors has been applied, which was used for the JUPITER and other experimental analyses. Due to the lack of the analytical data the 2D RZ core calculation was mainly used. The 3D XYZ core calculation was applied only for the preliminary evaluation. Further in terms of the utilization of the BFS experimental analysis data for the standard data base for FBR core design, consistency evaluation with JUPITER experimental analysis data has been performed using the cross-section adjustment method. As the result of analyses, good agreement was obtained between calculations and experiments for the criticality and the reaction rate ratio. However, it was found that accurate evaluation of the reaction rate distribution was impossible without exact consideration of the arrangement of the two types of sodium (with and without hydrogen impurity), which can be accommodated by the 3D core analysis, thus it was essentia1. In addition, it was clarifie that there was a room for an improvement of the result on the reaction rate distribution in the blanket and shielding regions. The application of the 3D core calculation improved the result on the control rod worth because 3D core model can more exactly consider the shape of the control rod. Furthermore it was judged that the result of the analysis on the sodium void reactivity .....

JAEA Reports

None

Nuclear Non-Proliferation Study Group*; *; Iwata, Shuichiro*; *; *; *;

JNC-TN1400 2000-008, 81 Pages, 2000/04

JNC-TN1400-2000-008.pdf:3.44MB

no abstracts in English

Journal Articles

Strengthening, improving the efficiency and the universality of safeguards

Tsuboi, Hiroshi

Proceedings of International Symposium Peaceful Uses of Nuclear Energy and Non-proliferation; A Challenge for 21 Century, p.79 - 83, 2000/03

no abstracts in English

JAEA Reports

None

*

JNC-TN1440 2000-001, 47 Pages, 2000/01

JNC-TN1440-2000-001.pdf:2.57MB

no abstracts in English

JAEA Reports

The 1999 JNC International Forum on the peaceful Use of Nuclear Energy Summary

; ;

JNC-TN1200 99-002, 44 Pages, 1999/03

JNC-TN1200-99-002.pdf:3.7MB

The 1999 JNC International Forum on the Peaceful Use of Nuclear Energy the Nuclear Fuel Cycle and Nuclear Non-Proliferation Technology, a continuation of the annual International Forum on Nuclear Non-proliferation sponsored by its predecessor organization PNC (Power Reactor and Nuclear Fuel Development Corporation), was held February 22-23, 1999 in Tokyo, Japan. About 380 people from government, industry, and academia involved in nuclear technology and issues attended the forum. A distinguished group of speakers participated in the forum sessions including highly respected technology and policy experts from France, Russia, and the United States. Session themes were: (1) Advanced Nuclear Technology for Peaceful Purposes and Nuclear Non-Proliferation, (2) Transparency Improvements in Nuclear Technology through the Disposition of Excess Nuclear Weapons Plutonium. This document provides a record of speeches and discussion which have no written documentation and summarizes presented papers as appropriate. Full papers prepared by the presenters can be found in The Proceedings of the 1999 JNC International Forum on the Peaceful Use of Nuclear Energy.

JAEA Reports

None

; ;

JNC-TN1200 99-001, 20 Pages, 1999/03

JNC-TN1200-99-001.pdf:3.15MB

no abstracts in English

JAEA Reports

None

*; Shimoyoshi, Takuji*

JNC-TJ1420 99-023, 493 Pages, 1999/03

JNC-TJ1420-99-023.pdf:35.75MB

no abstracts in English

JAEA Reports

None

*; *

JNC-TJ1420 99-006, 181 Pages, 1999/03

JNC-TJ1420-99-006.pdf:5.95MB

no abstracts in English

JAEA Reports

None

PNC-TN1100 98-004, 24 Pages, 1998/03

PNC-TN1100-98-004.pdf:1.08MB

no abstracts in English

JAEA Reports

None

*; *; Iso, Shoko*

PNC-TJ1508 96-008, 49 Pages, 1996/03

PNC-TJ1508-96-008.pdf:1.6MB

no abstracts in English

Journal Articles

Journal Articles

A New fuel material for once-through weapons plutonium burning

; Muromura, Tadasumi; Takano, Hideki; Matsuura, Shojiro

Nuclear Technology, 107, p.182 - 192, 1994/08

 Times Cited Count:97 Percentile:1.02(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Nuclear material from dismantled weapons, out flow of brain and nuclear waste on the disintegration of Soviet Union

Nippon Genshiryoku Gakkai-Shi, 36(3), p.190 - 192, 1994/00

no abstracts in English

JAEA Reports

None

; ; *; *; Washiya, Tadahiro*; Koizumi, Masumichi

PNC-TN1600 93-004, 119 Pages, 1993/11

PNC-TN1600-93-004.pdf:8.23MB

None

JAEA Reports

None

PNC-TN8600 91-001, 68 Pages, 1991/02

PNC-TN8600-91-001.pdf:8.79MB

no abstracts in English

JAEA Reports

None

Mitsubishi Corporation*

PNC-TJ4217 90-001, 267 Pages, 1990/07

PNC-TJ4217-90-001.pdf:25.29MB

None

Oral presentation

A Study to define and categorize the essential elements for the denuclearization

Nakanishi, Hiroaki

no journal, , 

This paper investigates the essential elements derived from a case study that examined denuclearization carried out in the past in several countries like South Africa, to clearly explain the actual definition of denuclearization. Specifically, the case study was based on a research conducted by examining denuclearization-related official documents such as agreements, protocols, declarations, statements, national laws, and concluded resolutions and reports which were enacted and published by the respective Governments and international organizations. As a result of this activity, the relevant essential elements were defined and categorized. Through this study, measures to physically remove nuclear weapons and programs from these countries were defined and categorized into the following two elements: firstly, the disablement, dismantling, disposal, removal, freezing of nuclear weapons, programs, and activities; and secondly, the assurance to prohibit nuclear explosive tests. In addition, in terms of scientific and technical aspects of the denuclearization process, it also identified that the prohibition of the re-acquisition of nuclear weapons and programs could be a third essential element of denuclearization. Lastly, this study recommended measures to address concerns for the scientists, engineers, technical staffs who were involved in the country's nuclear weapons program, and the country's know-how on the manufacturing of nuclear weapons, including illegal procurement routes of nuclear weapon-related components. The following necessary actions are recommended: first, the measures preventing such technology outflow (e.g. re-employment of relevant individuals and export control); second, the application and implementation of the IAEA safeguards; third, the capacity-building support activities for the implementation of IAEA safeguards and strengthening the country's nuclear security; and fourth, the establishment of a nuclear-weapon-free zone in the region.

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