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Scientific
and Methodological Research and Developments for Condensed
Matter Investigations with IBR-2 Neutron Beams
Theme
leaders:
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V.I. Bodnarchuk
V.I. Prikhodko
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Participating
countries and international organizations:
Argentine,
Armenia, Belarus, Czech Republic, Germany, Hungary, Republic of
Korea, Romania, Russia, Sweden, Switzerland, Ukraine, United Kingdom,
Uzbekistan.
Issues
addressed and main goals of research:
Regular
operation, modernization and development of control systems for
CM-201 and CM-202 cryogenic moderators. Development and equipping of
new spectrometers, as well as modernization and reconstruction of
equipment for the existing IBR-2 spectrometers in order to improve
their parameters, expand experimental capabilities and ensure their
faultless operation. Scientific and technical support for the
development of beam-forming systems, neutron detectors, sample
environment systems, cryostats and cryomagnetic systems, as well as
electronics and software of data acquisition systems. Development of
FLNP information and computing infrastructure.
Expected
results in the current year:
Maintenance
of regular operation of the complex of CM-201 and CM-202 cryogenic
pelletized moderators for physics experiments. Automation of the
vacuum system and the system for supplying helium to the pneumatic
transport pipeline of the CM-202 cryogenic moderator; upgrade and
development of software for control systems of the CM-202 moderator.
Manufacturing of a prototype dropper for the formation of methane
pellets for a complex of cryogenic moderators and carrying out of
pre-commissioning works.
Investigation
of radiation resistance of materials using the radiation research
facility. Neutron activation analysis of irradiated samples using a
high-purity germanium spectrometer.
Development
of a new system for data acquisition from PSD-based multi-detector
systems for the DN-12 diffractometer.
Introduction
of new MPD32-USB 3 electronic modules into data acquisition systems
at IBR-2 spectrometers.
Introduction
of industrial digitizers in PSD-based measuring systems.
Optimization of digitizer parameters to obtain the best counting and
coordinate characteristics of PSD. Application of a new 32-channel
digitizer for data acquisition from a prototype of the scintillation
PSD developed and manufactured at the CM Department.
Installation
and adjustment of the Astra-M scintillation detector for the FSD
diffractometer.
Manufacturing
and assembly of sectors of the BSD detector, assembly and adjustment
of eight MPD32-USB 3 modules for data acquisition on the HRFD
diffractometer in accordance with the project schedule.
Completion
of the second stage of assembling the detector system for the REMUR
spectrometer.
Manufacturing,
installation and commissioning of a beam monitor on the YuMO
spectrometer.
Development
of technology for creating thermal neutron detectors based on the
B4C
converter, manufacturing and testing of detector prototypes.
Commissioning
of a horizontal-vertical cryostat with a superconducting magnet on
the DN-12 diffractometer in cooperation with the specialists from
the NICM Department.
Research
and development of devices based on closed-cycle cryocoolers for
obtaining temperatures in the range of 4.2-0.5 K by
liquefying 3He
and pumping out its saturated vapor.
Application
of VITESS, McStas and other software packages for simulating neutron
scattering in samples and in individual components of spectrometers.
Complex
calculations and optimization of spectrometers.
Development
of a system to control the frequency and rotation phase of
mechanical neutron beam choppers based on programmable logic
controllers (PLC). Modernization of PLC devices at the request of
users, development of technical specifications for the application
of PLC for automation of spectrometer components (positioning
devices, control systems of special sample environment equipment,
etc.).
Development
and manufacturing of units for neutron beam choppers with two drums
for REMUR and GRAINS reflectometers.
Development
of a mechanical neutron beam filter with time focusing.
Development
of specialized sample cells for the GRAINS reflectometer (cell with
humidity control, liquid-solid flow cell).
Maintenance
and development of the Sonix+ software package at the request of
users, as well as on the basis of the latest versions of the
software packages and systems used. Upgrade of Sonix+ on the DN-6,
DN-12, RTD spectrometers. Development of modules (within the
framework of Sonix+) for controlling MPD32 controllers and CAEN N673
digitizer, as well as software for new detectors on HRFD and FSD
diffractometers.
Software
support for further automation of control systems for the complex of
cryogenic pelletized moderators CM-201 and CM-202.
Modernization of the FLNP central data repository for experimental
data. Development of Wi-Fi network in buildings 42 (first and second
floors), 42a and 44.
List
of projects
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Project
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Leader
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Priority
(period
of realisation)
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1.
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Construction
of a wide-aperture
backscattering detector (BSD)
for
the HRFD diffractometer
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V.M. Milkov
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(2021-2023)
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List
of Activities
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Activity
or Experiment
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Leaders
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Status
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Laboratory
or other
Division of JINR
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Main
researchers
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1.
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Maintenance
of regular operation
and development of the complex of
CM-201
and CM-202 cryogenic pelletized moderators.
Further
automation of moderators’ control systems
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M.V.
Bulavin
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2.
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Investigation
of radiation resistance
of materials, electronics and
detectors
for large-scale physics facilities: ATLAS,
CMS,
NICA, ITER, ESS, etc.; applied research
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M.V.
Bulavin
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FLNP
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A.V. Altynov,
M.O. Belova, A.V. Galushko, A.S. Kirilov,
K.A. Mukhin, T.B.
Petukhova, 10 engineers
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3.
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Development
of VITESS software
package
and simulation of individual
components
of spectrometers. Investigation of neutron
background conditions at IBR-2 spectrometers, development of
recommendations to reduce
the background level
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V.I.
Bodnarchuk
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FLNP
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V.V.
Sadilov
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4.
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Development
of the horizontal/vertical cryostat with a superconducting magnet.
Development
and modernization of cryostats at IBR-2
spectrometers. Modernization of the cryogenic test
bench for
working with liquid helium
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A.N.
Chernikov
S.E. Kichanov
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FLNP
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А.P.
Buzdavin, 1 engineer, 1 laboratory assistant
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5.
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Completion
of development and construction
of the BSD detector.
Putting
the detector into operation at the HRFD diffractometer.
Commissioning of the upgraded ASTRA-M detector at FSD
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V.M.
Milkov
A.A. Bogdzel
A.S. Kirilov
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FLNP
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G.D.
Bokuchava, V.A. Drozdov, V.V. Shvetsov,
V.G. Simkin,
3
engineers, 4 laboratory assistants
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6.
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Development
and investigation of prototypes of PSD systems based on counters
with a resistive anode wire
up to 1 m long and large-area (~1 m2)
scintillation position-sensitive detectors. Development of a
2D PSD with a central opening for a direct beam for the REMUR
spectrometer. Investigation of boron-based neutron converters.
Development and equipping of IBR-2 spectrometers with beam
monitors
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A.V.
Churakov
V.M. Milkov
A.A. Bogdzel
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FLNP
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V.A.
Drozdov, A.K. Kurilkin, V.M. Milkov,
S.M Murashkevich, V.V.
Zhuravlev, 3 engineers
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7.
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Modernization
of detector and data acquisition electronics for IBR-2
spectrometers
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A.A.
Bogdzel
A.S. Kirilov
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FLNP
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V.A.
Drozdov, E.I. Litvinenko, V.M Milkov,
S.M. Murashkevich, V.M.
Shvetsov, V.V. Zhuravlev,
2 engineers
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8.
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Introduction
of programmable logic controllers
in control systems for
actuators, sample environment equipment and spectrometers’
choppers. Installation of additional equipment at IBR-2
spectrometers at the request of instrument responsibles
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V.I.
Bodnarchuk
I.V.
Gapon
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FLNP
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A.V.
Altynov, A.S. Kirilov, T.B. Petukhova, N.D. Zernin,
V.V.
Zhuravlev, 2 engineers
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9.
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Maintenance
and development of the Sonix+ software package and
installation of its new versions at IBR-2
spectrometers. Development
of FLNP central servers and network infrastructure in accordance
with the development strategy of the JINR computer
network. Modernization
of Laboratory's mail system and Wi-Fi network
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A.S.
Kirilov
V.I. Prikhodko
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FLNP
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A.S.
Kirilov, G.A. Sukhomlinov, 4 engineers
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MLIT
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A.G.
Dolbilov, 1 engineer
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Collaboration
Country
or International Organization
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City
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Institute
or Laboratory
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Argentina
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Bariloche
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CAB
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Armenia
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Yerevan
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Foundation
ANSL
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Belarus
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Minsk
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BSTU
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INP
BSU
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Czech
Republic
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Rez
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NPI
CAS
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Germany
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Berlin
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HZB
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Darmstadt
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GSI
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Julich
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FZJ
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Hungary
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Budapest
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Wigner
RCP
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Republic
of Korea
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Daejeon
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KFE
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Romania
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Bucharest
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INCDIE
ICPE-CA
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Cluj-Napoca
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INCDTIM
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Iasi
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UAIC
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Targoviste
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UVT
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Russia
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Dubna
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Dubna
State Univ.
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Gatchina
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NRC
KI PNPI
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Moscow
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NRC
KI
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PC
ITER RF
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Moscow,
Troitsk
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INR
RAS
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Yekaterinburg
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IMP
UB RAS
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Sweden
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Lund
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ESS
ERIC
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Switzerland
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Villigen
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PSI
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Ukraine
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Lviv
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LPNU
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United
Kingdom
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Didcot
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RAL
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Uzbekistan
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Tashkent
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INP
AS RUz
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