Frank Laboratory of Neutron Physics is one of the laboratories of the Joint Institute for Nuclear Research (Dubna, Russia) that investigates the neutron as an elementary particle using various instruments, and employs the neutron as an instrument to investigate the structure and dynamics of condensed matter, including crystals and nanosystems, functional materials, complex liquids and polymers, rocks, etc. so that our findings could find application in molecular biology and pharmacology, engineering diagnostics and in other fields of science and technology.
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IBR-2 Status ON
Events
DNP Seminar, April 14 (Wednesday), 11:00, online
"Accelerator EG - 5: the state of affairs and perspective tasks"
A.S. Doroshkevich, T.V.Phuc, P.L.Tuan, T.Yu. Zelenyak, I.A. Chepurchenko, M.Kulik, A.P. Kobzev
- The report will present current research and the results of the work of the group "Installation EG-5" for 2020. The group's work program and promising research areas will be considered. (Doroshkevich A.S., "Installation EG-5").
- A short presentation will be performed for his recent study including results of investigation the influence of mass, energy of ion and thickness of coated layer on the mixing degree of the TiO2/SiO2 system using RBS method and SRIM simulation. The unique capabilities of the RBS method in the analysis of a multilayer structure will be shown. (This email address is being protected from spambots. You need JavaScript enabled to view it., "Installation EG-5").
Online conference, HUBER: systems and solutions for neutron, laboratory and synchrotron experiments, April 14 (Wednesday), 11:00
Read more ...TOPICAL SEMINAR on nano-structures, April 12 (Monday), 2021, at 11:00, online
"Study of promising in polarizing neutron optics Ti/TiO2 bilayer structures"
Matveev V.A.
(NRC "Kurchatov Institute" - PNPI)
Read more ...Joint JINR Seminar on results obtained by the JINR team at the ATLAS at the LHC, April 13, 2021 (Thuesday), 10:00, online
"Micromegas detectors production sites at the DLNP"
A. Gongadze
At the present time two sites for the production of the Micromegas detectors are created at the DLNP. The first site was intended for production and tests of the Micromegas chambers of the New Small Wheels (NSW) of the Muon Spectrometer of the ATLAS experiment. There were produces and tested 70 two-sided readout panels, each has 3 m2 area, and 33 Micromegas chambers (quadruplets). By mid of April the full set of 33 quadruplets will be transported to the CERN and team will move to CERN to participate in the wheel's assembly and commissioning. The second site is intended for the full cycle production of the Micromegas detectors of 60 cm wide according to the corresponding R&D project.
FLNP SEMINAR, April 8, 2021 (Thursday) at 11:00, online
"Current status of development and operation of a suite of IBR-2 cryogenic moderators in 2012-2020"
K.A. Mukhin
In 2012, tests of CM-202 (first stage of the suite of IBR-2 cryogenic moderators) began in the trial operation mode at power. The CM-202 in the cryogenic mode for physics experiments has operated for more than 4500 h. During this time, data on the change in the viscosity of the moderator material under irradiation and empirical quantitative values of released radiolytic hydrogen were obtained, the cryogenic cooling system of the suite was upgraded, and neutron-physical data for cryogenic moderators (CM) were collected during their operation in different temperature modes.
In December 2020, in the trial operation mode, the CM-201 central direction moderator (beamlines 1, 4, 5, 6, 9) operated in the cryogenic regime for physics experiments for the first time.
The report will provide a brief overview of the operation of the suite of IBR-2 cryogenic moderators from 2012 to 2021. The evaluation of the efficiency and reliability of technological equipment of the CM suite in various operation modes is given. Comparative characteristics of the viscosity, hydrogen yield, and temperature modes of operation of CM-201 and CM-202 are presented, taking into account their different geometry of the working chambers and different location of the cryogenic chambers relative to the reactor core. Basing on the results of the work for this period, spectra of the neutron flux of the beams in the thermal and cold modes, plans for the development of the CM suite, the structure of the commissioning group, number of personnel and necessary resources for putting the CM suite into operation will be presented.
Read more ...News
Congratulations to the winners of the F.L. Shapiro scholarship!
In the section "Neutron spectroscopy and condenssed matter research" awards are given to:
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Nuruev Sebuhi |
Dabylova Saltanat |
in the section "Polarized neutrons":
Sumnikov Sergei V.
Congratulations to the FLNP team - to the winners of the super-final of the football tournament in the group of the Laboratory and its departments within the XXII sports games dedicated to the 65th anniversary of the foundation of JINR!
The FLNP mini-football team of Vitaly Skuratov, Maksim Podlesny, Anton Semechkin, Denis Zaitsev, Vladimir Gryaznov, Konstantin Mukhin and Nikita Volnukhin won a gold medal, having bet the CPED (Chief Power Engineer’s Department) team in an intense competition.
The FLNP volleyball team also won the prize, outscoring the LNR team. Congratulations to Timur Tropin, Denis Zaitsev, Anton Semechkin, Konstantin Mukhin and Nikita Volnukhin with an honorary third place.
Submission of applications for beam time at the IBR-2 high flux pulsed reactor has announced
Dear Colleagues, The Frank Laboratory of Neutron Physics, Joint Institute for Nuclear Research, kindly invites you to submit applications for beam time at the IBR-2 high flux pulsed reactor. The deadline for submission is April 15, 2021. The beam time will be distributed for the reactor operation cycles in the period from September to December, 2021 on the basis of the proposal evaluation results by the Expert Committees and in accordance with the FLNP JINR User Policy regulations.
