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Theoretical Physics
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02-1-1087-2009/2023
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Nuclear Physics
03-0-1129-2017/2023
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Condensed Matter Physics
04-4-1142-2021/2025
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02-1-1087-2009/2023

 

Priority:

1

 

 

Status:

Being concluded


Research on Relativistic Heavy and Light Ion Physics.
Experiments at the Accelerator Complex Nuclotron-M/NICA at JINR and CERN SPS


Theme leader:

A.I. Malakhov

Deputy: 

S.V. Afanasiev


Participating countries and international organizations:

Armenia, Bulgaria, CERN, China, Czech Republic, Germany, Japan, India, Mongolia, Poland, Romania, Russia, Slovakia, Switzerland, USA, Uzbekistan. 


Issues addressed and main goals of research:

Study of new phenomena in multiple particle productions associated with the manifestation of the quark and gluon degrees of freedom in the interaction of relativistic nuclei. Study of nucleon and nuclear interactions at the VBLHEP accelerator complex, CERN SPS. Energy scan of interactions of nuclei at 20-158 GeV/nucleon energies and the study of their dependence on the atomic number of nuclei. To search for the critical point on the phase diagram of nuclear matter at the NA61/SHINE (SPS, CERN). Study of hadron production in hadron-nucleus interactions. Use of the obtained data for the precision calculations of neutrino spectra and fluxes in the accelerator experiments to study the neutrino oscillations. Investigation of nucleon clustering and the contribution of unstable nuclear-molecular States to the dissociation of light stable and radioactive isotopes, as well as the properties of rarefied baryonic matter in the dissociation of heavy nuclei. Experimental and theoretical study of deep subthreshold, cumulative processes, the formation of hadrons and antimatter in the transition energy region. Investigation of processes in the region of large PT (PT ≥ 1 GeV/c) in non-cumulative and cumulative kinematic regions at SPIN and FODS setups. Study of the behavior of elementary particles, nucleon resonances and nucleon fluctuations in nuclear matter on the SCAN spectrometer. Preparation of proposals of the experiments at the VBLHEP accelerator complex on the Nuclotron extracted beams and NICA Collider. Study of the short-range nucleon-nucleon correlations and the cluster structure of the nuclei using the beams of ions, polarized protons and deuterons at the internal target of the Nuclotron in the framework of the SCAN-3 project. 


Expected results in the current year:

  1. Investigation of new phenomena in multiple particle productions associated with the manifestation of the quark and gluon degrees of freedom.

  2. Preparation and performance of the experiments on the internal and extracted Nuclotron beams.

  3. NA61/SHINE data analysis (SPS, CERN). Study of hadron production in hadron-nucleus interactions. Use of the obtained data for the precision calculation of neutrino spectra and fluxes in the accelerator experiments to study the neutrino oscillations. Modernization of the TOF system. Configuration and testing of the three-arms SCAN magnetic spectrometer. Modernization of electronics for data taken. Analysis of experimental data.

  4. Analysis of the experimental data on the processes of the multiple emission of intermediate mass fragments on the beams of relativistic light ions using a 4-π PHASE-3 setup for the registration of nuclear fragments. Performing data analysis to determine the mechanism of multifragmentation and to obtain new information about the nuclear phase transitions "liquid-fog" and "liquid-gas". Investigation of properties of hot nuclei formed in the collisions of light relativistic ions with heavy targets. Production of the detector system for the registration of the decay of hypernuclei.

  5. Verification of the consequences of the principles of self-similarity and weakening of correlations in the formation of multiple particles.

  6. Upgrade of the SCAN setup. Analysis of the experimental data on the behavior of nucleon resonances and nucleon fluctuations in nuclei, on the search and study of properties of the bound state-meson in nuclear matter, study of np and pp correlations. Modernization of the Internal target station of the Nuclotron.

  7. Search and study of the Hoyle state and more complex nuclear-molecular States in the dissociation of light nuclei. Analysis of the isotopic composition of the fragmentation of heavy nuclei. Use of automated microscopes, as well as improvement of the NE technology.

  8. Updating the Marusya installation for conducting the experimental studies with the extracted Nuclotron beams. Investigation of A-dependences of rare subthreshold and cumulative processes of the formation of pions, kaons and antiprotons depending on the type and energy of the incoming nuclei, the momentum and angle of the detected particles. Carrying out correlation experiments with registration of groups of particles in the final state, one of which is cumulative.

  9. Collection, processing and digitization of the film information obtained using bubble chambers and in electronic experiments with fixed targets under the conditions of registration of multiple birth of particles in the energy range of 1-300 GeV.

  10. Use of heavy and light ions for applied research.

  11. Analysis of the experimental data obtained in the PHENIX experiment.

  12. Processing of the experimental data from 5-9 Runs at the PHENIX setup. Participation in the formation of the program for e-RHIC.

  13. Preparation of a project to study spin asymmetries at the LHEP accelerator complex.

  14. Collection of new experimental data in pA-and AA-interactions in the region of large рТ (рТ  ≥ 1 GeV/c)  at SPIN and FODS facilities, data processing and publication of results.

  15. Refinement of the results obtained on a propane two-meter chamber, and analysis of data on the results of the NA61/SHINE experiment.


List of projects


 

Project

Leader

Priority 
(period of realisation)


1.

NA61/SHINE

A.I. Malakhov

1   (2021 - 2023)


2

SCAN-3

S.V. Afanasiev

1   (2017 - 2023)


3.

BECQUEREL2022

P.I. Zarubin

2   (2022 - 2023)




List of Activities


 

Activity or Experiment

Leaders

Status

 

Laboratory or other
Division of JINR
Responsible person

Main researchers

1.

Experiment NA61/SHINE

A.I. Malakhov
G.L. Melkumov

Upgrade
Preparation
Data analysis

 

VBLHEP

V.A. Babkin, M.G.Buryakov, A.V. Dmitriev, V.M. Golovatyuk, 
V.I. Kolesnikov, R.Yu.Kolesnikov, V.A. Kireev, V.A. Lenivenko,
V.A. Matveev, M.M. Rumyantsev, A.A. Zajtsev

 

DLNP

V.V. Lyubushkin, G.I. Lykasov, B.A. Popov, V.V. Tereschenko


2.

Experiment BECQUEREL2022

P.I. Zarubin

Data taking
Data analysis


 

VBLHEP

D.A. Artemenkov, V. Bradnova, N.K. Kornegrutsa,
V.V. Rusakova, P.A. Rukoyatkin, A.A. Zaytsev


3.

Experiment FASA-3 for registration
of nuclear fragments

S.P. Avdeev

Upgrade
Preparation
Data analysis


 

DLNP

V.I. Stegaylov

 

FLNR

V.V. Kirakosyan, E.M.Kozulin, G.V. Mushinsky,
O.V. Strekalovsky

 

VBLHEP

H.U. Abraamian, Z.A. Igamkulov, V. Karach, L.V. Kornyushina,
A.G. Litvinenko, P.A. Rukoyatkin, Z.A. Sadygov


4.

Project SCAN-3

S.V. Afanasiev
A.I. L'vov

Preparation
Data analysis
Upgrade


 

VBLHEP

Yu.S. Anisimov, A.A. Baldin, V. Bekirov, D.K. Dryablov,
B.V. Dubinchik, P.R. Kharyuzov, S.V. Kilchakovskaia,
Yu.F. Krechetov, M. Paraypan, D.G. Sakulin, V.A. Smirnov,
E.V. Sukhov, V.V Ustinov, V. Vartik


5.

Search and investigation of
new phenomena using information obtained with bubble chambers and their theoretical interpretation. Creation of data base of experimental data and 
educational programs in the field of relativistic nuclear physics

A.A. Baldin 
V.V. Glagolev

Data analysis





 

VBLHEP

S.G. Arakelyan, E.G. Baldina, A.V. Belyaev, A.V. Beloborodov,
Ver.V. Bleko, Vit.V. Bleko, D.N. Bogoslovsky, A.P. Ierusalimov, 
V.V. Ilyushchenko, P.R. Kharyuzov, D.S. Korovkin,
N.E. Pukhaeva, O.V. Rogachevsky, A.B. Safonov, A.Yu. Troyan,
Yu.A. Troyan


6.

Investigation of deep subthreshold processes, applied
and educdtional programs 
at MARUSYA set up

A.A. Baldin

Preparation
Data taking


 

VBLHEP

V.A. Arefiev, S.V. Afanasiev, E.G. Baldina, A.V. Belyaev,
S.N. Bazylev, A.I. Berlev, A.V. Beloborodov, Ver.V. Bleko,
Vit.V. Bleko, D.N. Bogoslavsky, D.K. Dryablov, E.A. Efimova,
P.R. Kharyuzov, D.S. Korovkin, S.Yu. Starikova, I.V. Slepnev,
S.S. Shimansky, A.B. Safonov, A.Yu. Troyan, Yu.A. Troyan

 

BLTP

S.G. Bondarenko

 

DLNP

A.N. Fedorov


7.

Investigation with light
and heavy ions for
applied research

A.I. Malakhov

Realization
Preparation
Data taking


 

VBLHEP

N.N. Agapov, Yu.S. Anisimov, A.A. Baldin, E.G. Baldina,
D.K. Dryablov, M. Paraypan

8.

Upgrade of equipment the
station of internal target
of the Nuclotron

S.V. Afanasiev
R.Yu.Kolesnikov

Upgrade
Data taking


 

VBLHEP

Yu.S. Anisimov, V.N. Bekirov, D.K. Dryablov, B.V. Dubinchik,
S.V. Kilchakovskaia, D.G. Sakulin, T.V. Trofimov

9.

Test of the detectors for
measurements and control
the luminosity at the collider
NICA

A.G. Litvinenko

R&D
Technical Proposal


 

VBLHEP

R.A. Akbarov, K.U. Abraamyan, T.Y. Bokova, Z.A. Igamkulov,
L.V. Kornyushina, I.I. Migulina, G.D. Milnov, A.Z. Sadygov,
Z.Y. Sadygov, V.I. Shokin,

 

FLNP

E.I. Litvinenko

10.

Study of the short range
nucleon-nucleon correlations
at modernized internal target
station at Nuclotron

V.P. Ladygin

Preparation
Data taking


 

VBLHEP

Yu.V. Gurchin, A.Yu. Isupov, A.N. Khrenov, N.B. Ladygina,
A.I. Malakhov, S.G. Reznikov, A.A. Terekhin, A.V. Tishevsky


11.

The data processing of the Phoenix experiment. Preparing a program for measurements on the RHIC

 A.G. Litvinenko

R&D
Technical Proposal


 

VBLHEP

K.U. Abraamyan, S.V. Afanasiev, S.P.  Avdeev, A.I. Malakhov,
P.A. Rukoyatkin


12.

Search and investigation of a new charged particle in the 2-120 MeV mass range

V.A. Nikitin

Data analysis


 

VBLHEP

M.Kh. Anikina, A.V. Beloborodov, V.S. Rikhvitsky, A.Yu. Troyan, A.A. Zaicev

 

Collaboration

Country or International Organization

City

Institute or Laboratory

Armenia

Yerevan

Foundation ANSL

 

 

YSU

Bulgaria

Blagoevgrad

AUBG

 

Sofia

INRNE BAS

 

 

Inst. Microbiology BAS

 

 

SU

CERN

Geneva

CERN

China

Beijing

CIAE

 

 

IHEP CAS

 

Wuhan

CCNU

Czech Republic

Prague

CTU

 

 

CU

 

 

IMC CAS

 

Rez

NPI CAS

Germany

Darmstadt

TU Darmstadt

 

Frankfurt/Main

FIAS

 

 

Univ.

India

Jaipur

Univ.

 

Mumbai

BARC

Japan

Tsukuba

Univ.

Mongolia

Ulaanbaatar

IPT MAS

Poland

Krakow

INP PAS

 

Lodz

UL

 

Otwock (Swierk)

NCBJ

 

Warsaw

UW

Romania

Bucharest

IFIN-HH

 

 

INCDIE ICPE-CA

 

 

UB

 

Constanta

UOC

 

Magurele

ISS

Russia

Belgorod

BelSU

 

Chernogolovka

ISMAN RAS

 

Moscow

ITEP

 

 

LPI RAS

 

 

MSU

 

 

SINP MSU

 

Moscow, Troitsk

INR RAS

 

Protvino

IHEP

 

Sarov

VNIIEF

 

Smolensk

SSU

 

St. Petersburg

FIP

 

Tomsk

TPU

 

Vladikavkaz

NOSU

 

 

VTC "Baspik"

Slovakia

Bratislava

IP SAS

 

Kosice

UPJS

Switzerland

Geneva

UniGe

USA

Berkeley, CA

Berkeley Lab

 

Iowa City, IA

UIowa

 

Upton, NY

BNL

Uzbekistan

Jizzakh

JSPI

 

Samarkand

SSU

 

Tashkent

Assoc. P.-S. PTI