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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.

Global Assessment of Nuclear Data Requirements

The Global Assessment of Nuclear Data Requirements (GANDR) is a set of computer programmes that generate correlation matrices which rank the accuracy of various types of nuclear data. 

Global Safety Assessment Network

The Global Nuclear Safety Assessment Network (GSAN) facilitates the focused collaboration on safety assessment capacity building in support of global nuclear safety harmonization, especially in expanding and developing nuclear programmes worldwide.


GovAtom is a service provided by the IAEA to its Member State representatives. It provides them with online documentation on the work of the Board of Governors and its Committees.

Human Health Campus

The Human Health Campus is an educational and resource website for health professionals in radiation medicine (nuclear medicine, diagnostic imaging, radiation oncology and medical radiation physics) and nutrition. 

IAEA Library Catalogue of Resources

The IAEA Library Catalogue of Resources provides bibliographical, location and availability information about the Library's collection of books, journals, films and videos, selected technical reports and documents and electronic information resources.

IAEA Nuclear Data Library / Thermal Scattering Law

​The IAEA Nuclear Data Library / Thermal Scattering Law is a database of thermal scattering law data for hydrogen bound in water, hydrogen bound in zirconium hydride, and deuterium bound in heavy water.

IAEA Nuclear Graphite Knowledge Base

This knowledge base supports the preservation and sharing of expert knowledge and experience across the international Graphite Community.

IAEA Photonuclear Data Library

​The library contains recommended evaluated photonuclear data for 164 isotopes for incident photons (gamma rays) with energies mostly up to 140 MeV.

IEC Assessment and Prognosis Tools

​This web resource hosts several tools used by the IAEA in its assessment and prognosis process in a nuclear and radiological emergency.

Incident and Trafficking Database (ITDB)

This database is the IAEA’s information system on incidents of illicit trafficking and other unauthorized activities and events involving nuclear and other radioactive material outside of regulatory control.  

Incident Reporting System for Research Reactors

This reporting system is an international tool through which participating Member States exchange operational experiences to improve the safety of research reactors.

Incident Reporting Systems for Nuclear Installations

The IAEA administers three separate incident reporting systems to collect, analyse, maintain and disseminate reports from participating countries on safety-related events at nuclear power plants, research reactors and fuel cycle facilities.


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