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NUCLEUS information resources

The IAEA's NUCLEUS information resource portal provides access to over 100 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.

Accelerator Knowledge Portal

This site is a knowledge resource for and by the accelerator community.

ADS Nuclear Data Library

Application Library for Accelerator Driven Systems. Application test library in ACE and MATXS format for ADS neutronics design. 

Advanced Reactors Information System (ARIS)

The IAEA's Advanced Reactors Information System (ARIS) is a web-accessible database that provides Members States with balanced, comprehensive and up-to-date information about advanced nuclear plant designs and concepts. 

ALADDIN

ALADDIN is a database providing numerical atomic, molecular and plasma-material interactions data of interest to fusion research. 

Application of Safeguards to Geological Repositories

The main objective of the Application of Safeguards to Geological Repositories (ASTOR) Group of Experts is to support the IAEA’s objective to obtain credible assurance that nuclear material and technology associated with geological disposal activities are not diverted from peaceful nuclear uses.

Asian Nuclear Safety Network

The primary objective of the ANSN is pooling, analysing and sharing nuclear safety information, existing and new knowledge and practical experience among the participating countries.

Atlas of Neutron Capture Cross Sections

The NGATLAS contains neutron capture cross sections in the range 10-5eV - 20MeV as evaluated and compiled in recent activation libraries.

Atomic and Molecular Bibliographic Data System

AMBDAS is a database that provides bibliographic atomic, molecular and plasma-material interactions data of interest to fusion research.

Atomic Mass Data Center

The Atomic Mass Data Center and its electronic bulletin are tools for the exchange of information on experimental masses, evaluation of masses, extrapolation of masses, and theoretical masses.

Atomic Masses, Q-values, and Threshold Energies

This Q-value calculation programme allows you to calculate reaction Q-values and threshold energies and decay Q values based on the 1995 Update to the Atomic Mass Evaluation and to retrieve other quantities contained in this evaluation.

Basic Professional Training Course on Nuclear Safety

​​The Basic Professional Training Course on Nuclear Safety (BPTC) is intended to provide a broad overview of all the safety concepts and their application to nuclear power plants and research reactors design and operation.

Catalogue of Facilities in Support of Liquid Metal-cooled Fast Neutron Systems (LMFNS Catalogue)

The IAEA’s Catalogue of Facilities in Support of Liquid Metal-cooled Fast Neutron Systems (LMFNS Catalogue) is an online database of experimental facilities in support of the development and deployment of innovative Liquid Metal-cooled (sodium, lead and lead-bismuth) Fast Neutron Systems (LMFNS), both critical and subcritical.

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