Accepted articles
Instruments and methods of investigation

Compact neutron source DARIA in Russian strategy for developing neutron research

T.V. Kulevoy^a, S.V. Grigoriev^b, c, N.A. Kovalenko^b, c, K.A. Pavlov^b, c, E.V. Moskvin^b, c, N.A. Grigoryeva^d, E.A. Kravtsov^d, V.A. Skalyga^e, I.V. Izotov^e, G.N. Kropachev^a, A.L. Sitnikov^a, N.V. Mushnikov^d, L.V. Kravchuk^f
^aNational Research Centre ‘Kurchatov Institute’, pl. akad. Kurchatova 1, Moscow, 123182, Russian Federation
^bSt. Petersburg State University, Universitetskaya naberezhnaya, 7 - 9, St. Petersburg, 199034, Russian Federation
^cThe National Research Center "Kurchatov Institute", Konstantinov Petersburg Nuclear Physics Institute, Orlova Roshcha, Gatchina, Leningradskaya Region, 188300, Russian Federation
^dMikheev Institute of Metal Physics, Ural Division of the Russian Academy of Sciences, S Kovalevskoi str. 18, Ekaterinburg, 620108, Russian Federation
^eFederal Research Center A.V. Gaponov-Grekhov Institute of Applied Physics of the Russian Academy of Sciences, ul. Ulyanova 46, Nizhny Novgorod, 603000, Russian Federation
^fInstitute for Nuclear Research, Russian Academy of Sciences, prosp. 60-letiya Oktyabrya 7a, Moscow, 117312, Russian Federation

The scientific and technological basis of the Russian compact neutron source DARIA (Dedicated for Academic Research and Industrial Applications) based on a linear proton accelerator have been developed. The DARIA source is designed to create beams of thermal and cold neutrons. We discuss the strategy for developing pulsed neutron sources based on the DARIA project in three directions.: (1) the multiplication of the DARIA source in terms of deep specialization of neutron facilities, (2) increasing the DARIA source power to proton energies of 30—70 MeV, and (3) developing high-flux pulsed neutron source based on a high-current, high-energy (up to 1 GeV) proton accelerator and cascade-spallation reaction.

Keywords: compact neutron source, proton accelerator, target assembly, thermal neutrons, diffraction, reflectometry, small-angle neutron scattering
PACS: 01.10.Hx, 07.07.−a, 07.77.Ka, 07.90.+c, 28.20.Cz, 28.50.Dr, 29.25.Dz (all)
DOI: 10.3367/UFNe.2026.03.040107
Citation: Kulevoy T V, Grigoriev S V, Kovalenko N A, Pavlov K A, Moskvin E V, Grigoryeva N A, Kravtsov E A, Skalyga V A, Izotov I V, Kropachev G N, Sitnikov A L, Mushnikov N V, Kravchuk L V "Compact neutron source DARIA in Russian strategy for developing neutron research" Phys. Usp., accepted

Received: 22nd, January 2026, accepted: 11th, March 2026

Оригинал: Кулевой Т В, Григорьев С В, Коваленко Н А, Павлов К А, Москвин Е В, Григорьева Н А, Кравцов Е А, Скалыга В А, Изотов И В, Кропачев Г Н, Ситников А Л, Мушников Н В, Кравчук Л В «Компактный источник нейтронов DARIA в стратегии развития нейтронных исследований» УФН, принята к публикации; DOI: 10.3367/UFNr.2026.03.040107

Accepted articles

Compact neutron source DARIA in Russian strategy for developing neutron research