Abstract
The IBR-2 reactor and IREN facility are the two main neutron sources at the Frank Laboratory of Neutron Physics. This contribution presents data on the IBR-2 reactor parameters before and after modernization. The general schemes of the IBR-2 reactor as well as of the IREN facility are presented.
Highlights
The Joint Institute for Nuclear Research (JINR), which was established in 1956, is a partnership of 18 countries committed to the goal of collective performance of theoretical studies, building and operating of the world’s leading facilities for research in condensed matter physics, nuclear physics and elementary particle physics
The main advantages of the moderator based on aromatic hydrocarbons include: low radiolytic hydrogen release, no danger of explosion, obtaining of a cold neutron yield, comparable to that of liquid hydrogen, cheap to develop and safe to operate
The period of reactor modernization was simultaneously used for upgrading the existing facilities and creating the new ones, which made it possible to increase the number of operating spectrometers from 11 to 14 and to significantly extend the experimental capacities and areas of research carried out (Table 2) [6]
Summary
The two main JINR neutron sources—the fast pulsed reactor IBR-2 and the intense resonance neutron source (IREN—are operated by the Frank Laboratory of Neutron Physics (FLNP), one of the seven JINR laboratories
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