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Research on Relativistic Heavy and Light Ion Physics. Experiments at the Nuclotron, SPS and SIS18

• Continuation of experiments with the internal target at the Nuclotron. Preparation and carrying out of experiments with extracted beams at the Nuclotron. Development of the software for modeling and processing experimental data.
  
  
• Data taking and processing at the experimental set ups NA49 (CERN). Participation in realization NA61 project and operation of TOF system for this experiment.
  
  
• Participation in experimental data taking of AuAu (1.25 GeV) with HADES spectrometer. Furter participation in data analysis of dp (1.25 GeV) and pp (3.5 GeV). Development and application in other field of science the new geseous detectors based on GEM.
  
  
• Experimental study of the properties of hot nuclei produced in the collisions of the relativistic deuterons with heavy target. Measuring and analysis of the relative velocity correlation functions of pairs of intermediate fragments created in the reaction The elaboration of the trigger system for determination of the total time-scale of hot nucleus disintegration will be done.
  
  
• Study of multiparticle dynamics in terms of masses and energies of colliding objects and centrality of interaction. Mathematical modeling of experiments on investigation of the properties of highly excited states of nuclear matter in relativistic nuclear collisions and the mechanism of quark hadronization in the process of pion pair production.
  
  
• Search for eta-mesic nuclei formed in pA collisions, the determination of the total cross section of eta-nucleus production in pA collisions and its energy and A-depedence, the construction and production of the neutron detector for this experiment.
  
  
• Analysis of 7-prong events in np-interactions using data given an exposure of the 1m H₂ bubble chamber (HBC) of the VBLHEP (JINR) to a quasimonochromatic neutron beam with P_n=5.20 GeV/c with the purpose to investigate 7-quark resonances in the ^{++ + +} system. An investigation of the mechanism of an appearance of 0-mesons with m < 1 GeV/c ² in the np np ^{+ -} reaction. An investigation of the mechanism of an appearence of 7-quark resonance conditions in the ^{- -} system fron the reaction np np ^{+ -} reaction. An investigation of excharging process np pn in quasimonochromatic neutron beams at momenta 1.43, 2.23, 5.20 GeV/c.
  
  
• Search and research of stable dibarions at the Nuclotron.
  
  
• Analysis of emulsions irradiated with the nuclear beams ⁷Be , ¹⁰C, ¹²N. Irradiation of emulsions with secondary beams of radioactive ¹¹C. Heavy nucleus exposure.
  
  
• Study of nuclear interactions depending on projectile mass and energy with the beams of relativistic nuclei at the Nuclotron and other accelerators with the photo-emulsion method. Study of fragmentation, multifragmentation, multiparticle production together with correlations between them at interaction of nuclei of various energies with photo-emulsion nuclei. Search for collective effects in central nuclear-nuclear collisions in photo-emulsions. Development of the project on further emulsion irradiation with beams of light radioactive nuclei and heavy ions.
  
  
• Investigation of the deuteron spin dichroism: measurements of the tensor polarisation of the high energy deuteron beam after interaction with un-polarized target.
  
  
• Search and study of new phenomena based on the data obtained using bubble chambers; Theoretical interpretation of these results. Creation of the data base of experimental data and educational programs in the field of relativistic nuclear physocs (EDBIZ).
  
  
• Study of deep subthreshold processe, applied and educational programs at MARUSYA setup. Construction of electromagnetic detector of MARUSYA setup and test channel and corresponding electornics for detector testing.
  
  
• Investigations with light and heavy ions for applied research.
  
  

List of Activities
	Activity or Experiment	Leader	Status
	Laboratory and Responsible person	Main researchers for the Laboratory
1.	Experiment HADES	A.I. Malakhov Yu.V. Zanevsky	Data taking Data analysis
	VBLHEP	O.V. Fateev, S.P. Chernenko, C.V. Razin, V.P. Ladygin, A.K. Kurilkin, P.K. Kurilkin, T.A. Vasiliev, A.P. Ierusalimov, V.F. Tchepurnov
	BLTP	V.D. Toneev
2.	Experiment NA61/NA49	A.I. Malakhov G.L. Melkumov	Data taking Preparation Data analysis
	VBLHEP	N. Agagabyan, B. Baatar, D.A. Artyemenkov + 2 students, D.K. Dryablov, A.Yu. Isypov, V.I. Kolesnikov, M.A. Kozhin, D.O. Krivenkov
	DLNP	S.A. Bunytov, B.A. Popov, Yu.P. Ivanov, A.V. Krasnoperov, V.V. Lyubushkin, V.V. Tereshchenko, S.V. Tereshchenko, B.V. Zhuravlev
3.	Experiment FAZA-BECQUEREL	V.A. Karnaukhov P.I. Zarubin	Preparation Data taking
	DLNP	S.P. Avdeev + 3 students, V.V. Kirakosyan, V. Kartch + 1 student, G.V. Mushinsky, P.A. Rukoyatkin, O.V. Strekalovsky, E.A. Kuzmin, A.S. Botvina, H. Oyshler
	VBLHEP	P.I. Zarubin, V.V. Rusakova, D.A. Artemenkov, V. Bradnova, N.O. Kornegrutsa, D.O. Kribenkov, P.P. Kattabekov, L.Z. Mamatkulov, P.A. Rukoyatkin
4.	Search for and study of --mesic nuclei in pA collisions at the JINR VBLHEP Nuclotron	G.A. Sokol S.V. Afanasiev	Preparation Data taking Upgrade
	VBLHEP	S.V. Afanasiev + 4 students, Yu.S. Anisimov, V.I. Ivanov, A.S. Artemov, A.F. Elishev, A.Yu. Isypov, Z.A. Igamkulov, D.K. Dryablov, E.B. Plekhanov, V.V. Polyansky, S.S. Sidorin, L.M. Pavlyuchenko, A.M. Lvov, L.V. Kornyushina
5.	Investigation of the deuteron spin dichroism	L.N. Zolin	Data taking
	VBLHEP	A.G. Litvinenko, V.F. Peresedov, A.Yu. Isupov, I.I. Migulina, P.A. Rukoyatkin + 3 pers.
6.	Search and investigation of new phenomena using informa- tion 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 (EDBIZ)	A.A. Baldin V.V. Glagolev Yu.A. Troyan	Data analysis
	VBLHEP	A.V. Belyaev, V.I. Moroz, V.V. Ilyushchenko, E.B. Plekhanov, A.Yu. Troyan + 2 pers., A.P. Ierusalimov, P.Zh. Aslanyan + 4 pers., A.P. Ierusalimov, S.G. Arakelyan, O.V. Rogachevsky, S.G. Stetsenko
7.	Investigation of deep subthreshold processes, applied and educational programs at MARUSYA set up	A.A. Baldin	Preparation Data taking
	VBLHEP	V.A. Arefiev, P.Zh. Aslanyan, A.V. Belyaev, B.N. Guskov, M.G. Kadykov, I.V. Kudashkin, A.I. Kudashkin, E.B. Plekhanov, I.V. Slepnev + 4 pers., S.G. Stetsenko, Yu.A. Troyan + 2 pers., A.V. Shabunov, S.S. Shimansky, I.P. Yudin, E.E. Perepelkin, I.G. Voloshina, T.V. Shavrina
	BLTP	V.V. Burov, S.G. Bondarenko
8.	Investigation with light and heavy ions for applied research	A.I. Malakhov	Development Preparation Data taking
	VBLHEP	N.N. Agapov, Yu.S. Anisimov, A.D. Kovalenko, E.B. Plekhanov

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