THEME03-4-1104-2011/2016

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03-4-1104-2011/2016

Priority:

Status:

In-progress

Investigations in the Field of Nuclear Physics with Neutrons

Leader:	V.N. Shvetsov
Deputies:	Yu.N. Kopatch E.V. Lychagin P.V. Sedyshev

Participating Countries, Institutes and International organizations:
Albania, Australia, Austria, Belarus, Belgium, Bulgaria, CERN, China, Czech Republic, Egypt, Finland, France, Georgia, Germany, Hungary, Italy, Japan, Kazakhstan, Latvia, Macedonia, Moldova, Mongolia, Norway, Poland, Republic of Korea, Romania, Russia, Serbia, Slovakia, Slovenia, South Africa, Switzerland, Thailand, Ukraine, USA, Vietnam.

Scientific Programme:
Experimental and theoretical investigations aimed at studies of fundamental properties of the neutron, symmetry breaking effects in neutron-induced reactions, and fundamental interactions of neutrons with nuclei. Application of neutron physics methods in other fields of science and technology. Development and construction of detectors of neutrons and other ionizing radiation, as well as applied methods in nuclear physics with neutrons. Development of the Intense REsonance Neutron Source (IREN) and of the experimental base at the IREN facility and at the IBR-2 facility.

Expected main results in 2015:

Development of the IREN source:

Installation of the second section of the LUE-200 with the modulator DAWONSYS. Testing and setting accelerator systems when working with two accelerating sections.
Providing the neutron beam time of 1000 hours from IREN for physical experiments.
Modernization of the experimental channel 3 (flight paths 60 and 120m), equipping of the experimental channel 5 of the IREN facility.
Measurement of the neutron yield for the IREN operation with a prototype of the natural uranium target.

Fundamental investigations of nuclear reactions with neutrons:
Conducting test measurements of the T-odd effects in fission at beam N 1 of the IBR-2 facility and at the FRM-II reactor in Garching.

Measurement of angular correlations of the gamma-ray emission in inelastic scattering of 14.1 MeV neutrons on carbon, in the framework of the TANGRA project.

Investigation of reactions ⁵⁶Fe(n,

) ⁵³Cr and ¹⁴⁴Nd(n,

) ¹⁴¹Ce for neutron energies E_n = 5 - 6 MeV at the facilities EG-5 (FLNP JINR) and EG-4.5 (Beijing University). Analysis of the experimental data for reactions ⁶⁶Zn(n,

) ⁶³Ni, ¹⁴⁴Sm(n,

) ¹⁴¹Nd in the energy region 4 - 6.5 MeV.

Development of a 32-channel digital signal processing (DSP) system for position sensitive double ionization fission chamber combined with six fast neutron detectors. Performing measurements of the multiplicity and energy spectra of the prompt fission neutrons from the the ²³⁵U(n,f) reaction.

Evaluation of the experimental data on angular correlations in spontaneous fission of ²⁵²Cf and search for quaternary fission using silicon pixel detectors.

Measurement of the spin-lattice relaxation for the proton. Measurement of the neutron nuclear precession for the proton as a function of the neutron energy.

Accumulation of new experimental data on the two-step gamma-ray cascade intencities in neutron resonances. Determination of the parameters of the superfluid component of nuclear matter below the neutron binding energy.

Measurements of leakage neutron spectra from the massive target of natural uranium "QUINTA" irradiated by deuterons with energies of 1-8 GeV. Calibration of neutron detectors. Preparation of measurements with massive uranium targets at the beams of Phsotron (DLNP) and Nuclotron (BVLHEP).

Investigation of the fundamental properties of the neutron, UCN physics:

Test experiment on the observation of the Goos-Haenchen effect in neutron optics
Determination of characteristics of the resonance transitions between quantum states of neutrons in the gravitational field of the Earth on GRANIT spectrometer.
Design substantiation of the project of the helium UCN source on the extracted beam of thermal neutrons.

Applied research:

Analysis of the boron content in new composite materials by the method of neutron spectroscopy at the IREN facility.
Measurements of characteristic gamma-ray spectra for various elements in the framework of the TANGRA project. Creation of the database for element identification.
Study of the atomic structures and properties of subsurface layers, prepared by Plasma Enhanced Chemical Vapor Deposition process, using Elastic Recoil Detection method and Rutherford Backscattering Spectrometry.
Mathematical and physical modeling and calibration of the DAN equipment complex intended for search of water ice from aboard the CURIOSITY Mars rover. Mathematical and physical modeling and calibration of the second flight hardware device MGNS for the European Mercury mission BEPPY-COLOMBO.
Design and development of hardware and software for the automation of neutron activation analysis for the installation REGATA at the IBR-2 reactor. Creating a system for automatic spectra measurement, consisting of 3 sample changer devices with three gamma spectrometers. Development of a database to store information about all stages of the analysis of samples.
Biomonitoring of atmospheric deposition of trace elements in some regions of Russia, Europe, Asia and Africa. Application of NAA in bionanotechnology, ecology, medicine and the development of new materials.

List of projects:
	Project	Leader	Priority (period of realisation)
1.	TANGRA	Yu.N. Kopatch Deputy: V.M. Bystritsky	1 (2014-2016)

List of activities

Activity or experiment

Leaders

Status

Laboratory or other
Division of JINR

Main researchers

Development of the IREN facility

V.N. Shvetsov

Upgrade

FLNP

V.G. Pjataev, V.A. Egorov, V.D. Denisov + 13 engineers

VBLHEP
A.P. Sumbaev

V.V. Kobets, V.F. Minashkin, V.G. Shabratov,
V.N. Zamrij, A.N. Skrypnik, J. Betscher

DLNP

I.N. Meshkov

Development of the beam infrastructure of IREN

V.N. Shvetsov

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FLNP

V.G. Pjataev, A.A. Belyakov, P.V. Sedyshev, V.A. Trepalin + 10 engineers

Fundamental investigations of
nuclear reactions with neutrons

Yu.N. Kopatch

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Data taking
Data analysis

FLNP

G.S. Ahmedov, N.V. Bazjazjina, S.B. Borzakov,
G.V. Daniljan, Ju.M. Gledenov, D.N. Grozdanov,
N.A. Gundorin, Sh.S. Zeynalov, A.P. Kobzev,
D. Mahajdik, M. Kulik, Zh.V. Mezentseva, V.V. Novitsky,
I.A. Oprea, K.D. Oprea, L.B. Pikel'ner, I.N. Ruskov,
P.V. Sedyshev, M.V. Sedysheva, V.R. Skoj, A.M. Suhovoj,
S.A. Telezhnikov, V.A. Hitrov, M. Tsulaja + 16 engineers,
+ 2 workers

LIT

O.V. Zeynalova

DLNP

V.A. Stolupin

Investigation of the fundamental
properties of the neutron, UCN
physics

E.V. Lychagin

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Data taking
Data analysis

FLNP

G.G. Bunatyan, V.K. Ignatovich, G.V. Kulin, D. Kustov,
L.V. Mitsyna, A.Yu. Muzychka, Yu.N. Pokotilovskij,
A.B. Popov, A.V. Strelkov, A.I. Frank, W.I. Furman,
E.I. Sharapov, T.L. Enik, S.V. Gorunov + 1 engineer

Applied research

P.V. Sedyshev

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Data taking
Data analysis

FLNP

M.V. Frontasyeva, Yu.V. Alekseenok, K.N. Vergel,
Z.I. Gorjajnova, A.Ju. Dmitriev, I.I. Zinikovskaja,
O.F. Culikov, Doan Fan Thao Tien, G.S. Ahmedov,
N.V. Bazjazjina, S.B. Borzakov, Ju.M. Gledenov,
N.A. Gundorin, Sh.S. Zeynalov, A.P. Kobzev,
Yu.N. Kopatch, M. Kulik, D. Mahajdik, Zh.V. Mezentseva,
V.V. Novitsky, I.A. Oprea, K.D. Oprea, L.B. Pikel'ner,
I.N. Ruskov, M.V. Sedysheva, V.R. Skoj, A.M. Suhovoj,
S.A. Telezhnikov, V.A. Hitrov, M. Tsulaja, A. Sijabekov,
G.V. Daniljan + 24 engineers, + 5 workers

Project TANGRA

Yu.N. Kopatch

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Data taking
Data analysis

FLNP

S.B. Borzakov, N.A. Gundorin, P.A. Dubasov,
Sh.S. Zeinalov, A.O. Zontikov, L.B. Pikelner,
A.V. Rogachev, P.V. Sedyshev, U.R. Skoi, U.N. Shvetcov

VBLHEP

U.Yu. Aleksakhin, U.I. Zamjatin, E.U. Zubarev,
U.L. Rapackii, Yu.N. Rogov, R.A. Salmin,
M.G. Sapozhnikov, U.V. Slepnev, S.U. Khabarov

DLNP

U.M. Bystritskii, A.U. Krasnoperov, A.U. Sadovskii,
A.U. Salamatin

LRB

A.R. Krylov, G.N. Timoshenko

Collaboration
Country or International Organization	City	Institute or Laboratory
Albania	Tirana	UT
Australia	Melbourne	Univ.
Austria	Vienna	IAEA
	Innsbruck	Univ.
Belarus	Minsk	INP BSU
Belgium	Geel	IRMM
	Brussels	ULB
Bulgaria	Sofia	INRNE BAS
	Plovdiv	PU
		UFT
CERN	Geneva	CERN
China	Beijing	IHEP CAS
Croatia	Zagreb	RBI
Czech Republic	Prague	CEI
		CTU
	Ostrava	TU Ostrava
Egypt	Cairo	EAEA
Finland	Jyvaskyla	UJ
France	Cadarache	CC CEA
	Grenoble	ILL
		LPSC
	Saclay	LLB
	Strasbourg	IPHC
Georgia	Tbilisi	AIP
Germany	Darmstadt	TU Darmstadt
	Dresden	HZDR
	Munich	TUM
	Tubingen	Univ.
Hungary	Budapest	RKK OU
Italy	Rome	ENEA
Japan	Kyoto	KSU
	Tsukuba	KEK
Kazakhstan	Almaty	INP
	Ust-Kamenogorsk	TRCE
Macedonia	Skopje	UKiM
Moldova	Chisinau	IMB ASM
Mongolia	Ulaanbaatar	CGL
		NUM
Norway	Trondheim	NTNU
Poland	Gdansk	GUT
	Krakow	NINP PAS
	Lodz	UL
	Lublin	MCSU
	Opole	OU
	Otwock-Swierk	NCBJ
	Poznan	AMU
Republic of Korea	Pohang	PAL
	Seoul	Dawonsys
	Taejon	KAERI
Romania	Bucharest	IFIN-HH
		ISS
		UB
	Baia Mare	NUBM
	Constanta	NIMRD
		UOC
	Galati	UG
	Iasi	UAIC
	Oradea	UO
	Pitesti	SCN
	R{a	nicu V{a
	Targoviste	UVT
Russia	Moscow	Atomenergomach
		GIN RAS
		IKI RAS
		ITEP
		MSU
		NRC KI
		SINP MSU
		GPI RAS
	Moscow, Troitsk	INR RAS
	Borok	IBIW RAS
	Dubna	"Dubna" Univ.
	Gatchina	PNPI
	Irkutsk	LI SB RAS
	Ivanovo	ISUCT
	Izhevsk	UdSU
	Magnitogorsk	MagTU
	Obninsk	IPPE
	Snezhinsk	VNIITF
	St. Petersburg	FIP
		Hermitage
		KRI
	Sevastopol	IBSS
	Tomsk	NPI TPU
	Tula	TSPU
	Voronezh	VSU
	Yekaterinburg	UrFU
Serbia	Belgrade	IPB
		Univ.
	Novi Sad	UNS
Slovakia	Bratislava	IP SAS
		IEE SAS
		ILE SAS
		CU
Slovenia	Ljubljana	GeoSS
South Africa	Pretoria	Necsa
		Unisa
Switzerland	Villigen	PSI
Thailand	Hat Yai	PSU
Turkey	Canakkale	COMU
Ukraine	Kiev	KINR NASU
		NUK
	Donetsk	DonIPE NASU
	Sumy	IAP NASU
	Uzhgorod	IEP
	Kharkov	ISM NASU
		KFTI NASU
Vietnam	Hanoi	IOP VAST
		VNU
USA	Durham, NC	Duke
	Gettysburg, PA	GC
	Kingston, RI	URI
	Los Alamos, NM	LANL
	Oak Ridge, TN	ORNL

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