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NUCLEUS information resources

The IAEA's NUCLEUS information resource portal provides access to over 110 scientific, technical and regulatory resources, including databases, applications, publications and training material. As it is mainly meant for IAEA counterparts in the government, industry and scientific community, NUCLEUS hosts a number of resources that require registration. Many sites, however, can be accessed without a password.

EMPIRE – Nuclear Reaction Model Code

EMPIRE is intended to be a general, flexible, and easy to use tool for basic research and evaluation of nuclear data.

ENDF Pre-processing Codes

The ENDF/B Pre-processing codes (PREPRO) is a collection of 16 computer codes designed to convert ENDF/B formatted neutron and/or photon data from the original distributed form to a form in which the data can be used in applications. 

ENDVER

ENDF File Verification Support Package. Experimental and evaluated nuclear reaction data are compiled world-wide in EXFOR and in ENDF format, respectively (see documents IAEA-NDS-1 and IAEA-NDS-10).

ENSDF Analysis and Utility Programmes

ENSDF Analysis and Utility programmes (ALPHAD, LOGFT, etc.)

Evaluated Nuclear Data File

Core nuclear reaction database containing evaluated cross sections, spectra, angular distributions, fission product yields, photo-atomic and thermal scattering law data, with emphasis on neutron induced reactions.

Evaluated Nuclear Structure Data File

The ENSDF database contains evaluated nuclear structure and decay information for over 2,900 nuclides.

Experimental Nuclear Reaction Data

The EXFOR library contains an extensive compilation of experimental nuclear reaction data. The library contains data from more than 20,700 experiments. 

Food Contaminant and Residue Information System

FCRIS is a chemical food contaminant resource of the Joint FAO/IAEA Division of Nuclear Techniques in Food and Agriculture that focuses on Codex food standards and guidelines and on reducing the incidence of food trade rejections as a result of chemical contaminants and violative levels of residues.

Fuel Incident Notification and Analysis System

Through the Fuel Incident Notification and Analysis System (FINAS), participating Member States share operational experiences to improve the safety of fuel cycle facilities.

Fusion Evaluated Nuclear Data Library

This Library contains selected evaluated nuclear data files in ENDF-6 format.

Fusion Portal

The IAEA Fusion Portal is dedicated to all fusion activities organized by the IAEA.

General Internet Search Engine for Atomic Data

GENIE is a web search engine for numerical atomic data for fusion and atomic physics research.

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