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JAEA Reports

Nuclear data processing code FRENDY version 2

Tada, Kenichi; Yamamoto, Akio*; Kunieda, Satoshi; Nagaya, Yasunobu

JAEA-Data/Code 2022-009, 208 Pages, 2023/02


The nuclear data processing code has an important role to connect evaluated nuclear data libraries and neutronics calculation codes. Japan Atomic Energy Agency (JAEA) has developed the nuclear data processing code FRENDY since 2013 to generate cross section files from evaluated nuclear data libraries, such as JENDL, ENDF/B, JEFF, and TENDL. The first version of FRENDY was released in 2019. FRENDY version 1 generates ACE files which are used for continuous energy Monte Carlo codes such as PHITS, Serpent, and MCNP. FRENDY version 2 generates multi-group neutron cross-section files from ACE files. The other major improvements are as follows: (1) uncertainty quantification for the probability tables of the unresolved resonance cross-section; (2) perturbation of the ACE file for the uncertainty quantification using a continuous Monte Carlo code; (3) modification of the ENDF-6 formatted nuclear data file. This report describes an overview of the nuclear data processing methods and input instructions for FRENDY.

JAEA Reports

Investigation and consideration on evaluation of radiation doses to residents in the case of a nuclear emergency

Hashimoto, Makoto; Kinase, Sakae; Munakata, Masahiro; Murayama, Takashi; Takahashi, Masa; Takada, Chie; Okamoto, Akiko; Hayakawa, Tsuyoshi; Sukegawa, Masato; Kume, Nobuhide*; et al.

JAEA-Review 2020-071, 53 Pages, 2021/03


In the case of a nuclear accident or a radiological emergency, the Japan Atomic Energy Agency (JAEA), as a designated public corporation assigned in the Disaster Countermeasures Basic Act and the Armed Attack Situation Response Law, undertakes technical supports to the national government and local governments. The JAEA is requested to support to evaluate radiation doses to residents in a nuclear emergency, which is specified in the Basic Disaster Management Plan and the Nuclear Emergency Response Manual. For the dose evaluation, however, its strategy, target, method, structure and so on have not been determined either specifically or in detail. This report describes the results of investigation and consideration discussed in the "Working Group for Radiation Dose Evaluation at a Nuclear Emergency" established within the Nuclear Emergency Assistance and Training Center to discuss technical supports for radiation dose evaluation to residents in the case of a nuclear emergency, and aims at contributing to specific and detailed discussion and activities in the future for the national government and local governments, also within the JAEA.

JAEA Reports

MVP/GMVP 2; General purpose Monte Carlo codes for neutron and photon transport calculations based on continuous energy and multigroup methods

Nagaya, Yasunobu; Okumura, Keisuke; Mori, Takamasa; Nakagawa, Masayuki

JAERI 1348, 388 Pages, 2005/06


To realize fast and accurate Monte Carlo simulation of neutron and photon transport problems, two vectorized Monte Carlo codes MVP and GMVP have been developed at JAERI. MVP is based on the continuous energy model and GMVP is on the multigroup model. Compared with conventional scalar codes, these codes achieve higher computation speed by a factor of 10 or more on vector supercomputers. Both codes have sufficient functions for production use by adopting accurate physics model, geometry description capability and variance reduction techniques. The first version of the codes was released in 1994. They have been extensively improved and new functions have been implemented. The major improvements and new functions are (1) capability to treat the scattering model expressed with File 6 of the ENDF-6 format, (2) time-dependent tallies, (3) reaction rate calculation with the pointwise response function, (4) flexible source specification, etc. This report describes the physical model, geometry description method used in the codes, new functions and how to use them.

JAEA Reports

J-PARC materials and life science facility experimental apparatus installation manual, 1

Neutron Facility Group

JAERI-Tech 2004-059, 106 Pages, 2004/10


The Materials and Life Science Facility is being constructed as one of main facilities in the JAERI-KEK High-Intensity Proton Accelerator Project (J-PARC). Various experimental apparatuses will be installed in 1st and 2nd Experimental Halls in the facility building. Neutron and muon beams provided by the facility are to be utilized for experimental research. This manual provides facility-side information that is needed for designing and installing experimental apparatuses, and summarizes specifications of junction points between the facility-side and user-side as of June, 2004.

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


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.

JAEA Reports

The Recovery from water leakage accident in JMTR

Ito, Haruhiko; Homma, Kenzo; Itabashi, Yukio; Tabata, Toshio; Akashi, Kazutomo; Inaba, Yukio; Kumahara, Hajime; Takahashi, Kunihiro; Kitajima, Toshio; Yokouchi, Iichiro

JAERI-Review 2003-024, 76 Pages, 2003/10


no abstracts in English

JAEA Reports

Setup of the cryogenic cooling system on BL11XU at SPring-8

Kiriyama, Koji*; Shiwaku, Hideaki; Tozawa, Kazukiyo*

JAERI-Tech 2003-061, 21 Pages, 2003/07


Cryogenically cooled monochromator equipped with circulated-liquid-nitrogen cooling system has been developed on JAERI beam-line, BL11XU, at SPring-8. This cooling system has improved the performance of X-ray reflection. The system has difficulty for the operation because of a lack of the manual. So, it is required to establish a systematic guide of the system. Here we report a manual with fruitful know-how to operate the cryogenic cooling system on BL11XU safely and easily. The new manual is wholly tabulated and shows comments, instructions, and valve conditions in all one-step. The operator, by using this manual, can manipulate the system with no misoperation.

JAEA Reports

User's manual for seismic analysis code "SONATINA-2V"

Hanawa, Satoshi; Iyoku, Tatsuo

JAERI-Data/Code 2001-021, 150 Pages, 2001/08


no abstracts in English

JAEA Reports

A Probabilistic assessment code system for derivation of clearance levels of radioactive materials; PASCLR user's manual

Takahashi, Tomoyuki*; Takeda, Seiji; Kimura, Hideo

JAERI-Data/Code 2000-041, 108 Pages, 2001/01


no abstracts in English

JAEA Reports

Manual for WSPEEDI international data communication network

Takahashi, Masatoshi*; Nagai, Haruyasu; Chino, Masamichi

JAERI-Data/Code 2000-028, 105 Pages, 2000/09


no abstracts in English

JAEA Reports

Nuclear power plant database internet version

Yamamoto, Nobuo

JAERI-Data/Code 99-023, 65 Pages, 1999/04


no abstracts in English

JAEA Reports

Neutron cross section library production code system for continuous energy Monte Carlo code MVP; LICEM

Mori, Takamasa; Nakakawa, Masayuki; *

JAERI-Data/Code 96-018, 121 Pages, 1996/05


no abstracts in English

JAEA Reports

A Manual for QUICRI; A Computer code for simply evaluating nuclear criticality condition data

Naito, Yoshitaka; Koyama, Takashi*; *; Okuno, Hiroshi

JAERI-M 93-171, 40 Pages, 1993/09


no abstracts in English

JAEA Reports

Calculations of reactivity effects caused by non-uniform concentration of nuclear fuel

Okuno, Hiroshi; *; *

JAERI-M 92-192, 105 Pages, 1992/12


no abstracts in English

JAEA Reports

A Generic safety assessment code for geologic disposal of radioactive waste; GSRW computer code users manual

Kimura, Hideo; Takahashi, Tomoyuki; ; Matsuzuru, Hideo

JAERI-M 92-161, 72 Pages, 1992/11


no abstracts in English

JAEA Reports

Manual for JSSL(JAERI Scientific Subroutine Library); 4th edition

Fujimura, Toichiro;

JAERI-M 92-121, 218 Pages, 1992/09


no abstracts in English

JAEA Reports

DATA-POOL: A Direct-access data base for large-scale nuclear codes

Yamano, Naoki*; ; Naito, Yoshitaka; Minami, Kazuyoshi*

JAERI-M 91-201, 171 Pages, 1991/12


no abstracts in English

JAEA Reports

Fission product release analysis code during accident condition of HTGR; RACPAC

Sawa, Kazuhiro; Tazawa, Yujiro*; Itakura, Hirofumi*

JAERI-M 91-128, 33 Pages, 1991/08


no abstracts in English

JAEA Reports

Development of an atmospheric dispersion and dose calculation code for real-time response by using small-scale computer

Chino, Masamichi; Hayashi, Takashi; Ishikawa, Hirohiko; Yokokawa, Mitsuo

JAERI-M 90-173, 23 Pages, 1990/10


no abstracts in English

41 (Records 1-20 displayed on this page)