Theory of Nuclear Systems
Leaders:  N.V. Antonenko S.N. Ershov A.A. Dzhioev 
Participating Countries and International organizations: Armenia, Austria, Belarus, Belgium, Brazil, Bulgaria, Canada, China, Czech Republic, Egypt, France, Germany, Greece, Hungary, India, Iran, Italy,
Japan, Kazakhstan, Lithuania, Moldova, Norway, Poland, Republic of Korea, Romania, Russia, Serbia, Slovakia, South Africa, Spain, Sweden, Switzerland,
Taiwan, United Kingdom, Ukraine, USA, Uzbekistan.
Issues addressed and main goals of research: Suggestion of new theoretical approaches for description and prediction of properties of superheavy, unstable nuclei and exotic nuclear systems,
calculation of their characteristics; improvement of models for explanation of mechanisms of reactions of nuclei with particles and nuclei at low and
intermediate energies; establishment of universal laws in lowdimensional smallparticle systems and smallparticle systems at ultralow energies;
development of the twostage hybrid model of nuclear collisions at relativistic energies; study of nonlinear quantum processes in the interaction
of photons with ultrashort highfrequency laser pulses.
Expected main results in the current year:
 Investigation of the nature of vortical states in nuclei within the randomphaseapproximation method with Skyrme forces.
Study of the relationship between collective and cluster motions in light nuclei within the protonneutron symplectic shellmodel theory.
Study of the effect of the phononphonon coupling on the E0 strength distribution in the neutronrich Sn isotopes.
Study of the pygmy dipole resonance of ^{134}Sn via the betadecay of the nucleus ^{134}In.
Study of low lying 1 ^{+} and 2 ^{+} excitations in nuclei by solving the HartreeFockBogoliubov equations with the method of Wigner
function moments for the harmonic oscillator model with quadrupole and spinquadrupole interactions.
Investigation of the effect of the coupling between one and twophonon configurations in hot nuclei on the rates of weak interaction
mediated process in supernova matter.
 Analysis of the production cross sections of superheavy nuclei with the selfconsistent meanfield model and predictions
of their properties.
Analysis of the production of new isotopes in multinucleon transfer reactions.
Evaluation of the excitation functions in the reactions of astrophysical interest.
Study of the influence of the mass/charge ratio in colliding nuclei on the capture and complete fusion probabilities in reactions with the same
total number of protons in the projectile and target.
Investigation of the level densities in the ground states and at the barrier in superheavy nuclei.
Study of the influence of coupled nucleon and alpha particle transitions between nuclei in the dinuclear system on fusionfission probability.
Study of equilibration and thermalization in finite quantum systems embedded into few heat bathes and external fields.
Exploration of 6He strength functions for transitions to different GamowTeller
channels, including the beta decay into the twobody 4He+d channel which until now has no satisfactory explanation.
 Quantummechanical analysis of atomion confinementinduced resonances,
including the effect of ion motion.
Lowenergy approximation of the twodimensional scattering amplitude by a superposition of
Coulomb and decreasing powerlike potentials.
Proof of preservation of the unconditional basis property for spectral subspaces under unbounded nonHermitian perturbations of selfadjoint Hamiltonians.
Construction of the adiabatic theory of ultranarrow autoionization resonances of the
helium atom.
Investigation of scattering processes in the system of three beryllium atoms
with realistic pairwise interactions in collinear configuration.
Study of the Efimov resonances in asymmetric threeatom systems.
Study of the energy exchange in neutrino scattering by nuclear particles.
Study of angular and energy spectra of Compton scattering of photons on the bound electrons of atoms and molecules.
Study of cluster states in 1p shell nuclei.
 Systematic study of nonlinear quantum processes in strong electromagnetic fields is planned, in particular,
investigation of multiphoton regime of quantum processes with short ultrashort intensive laser pulses with different pulse polarization.
Development of theoretical models for production of exotic hadrons in photo and hadron
induced reactions as a probe for the reaction mechanism and structure of exotic hadrons.
Obtaining pf the amplitude of the process using a separable model;
derivation of the equation of state for baryon matter in the frame of the SU(3) PNJL model;
study of the chiral phase transition of quark matter under rotation in the NambuJonaLasinio (NJL) model.
Analytical continuation of the numerical solution of the DaysonScwinger equations (the rainbow approximation)
to Euclidean space of complex momenta and detailed analyses with the aim of subsequent implementation
in the BetheSalpeter equations for twogluon bound states.
Obtaining of the transverse momentum distributions of hadrons created in highenergy
heavyion and protonproton collisions in the Tsallis nonextensive
statistics and the local equilibrium statistical models.
Theoretical analysis of the one proton halo nucleus 17F scattering on nuclei by using the developed microscopic model of optical potential.
Investigation of the influence of eventbyevent fluctuations on pion and proton rapidity distributions and transverse momentum spectra for NICA
energies within the HydHSD hybrid model.
Investigation of elastic and inelastic electrondeuteron scattering in the
BeteSalpeter approach with large momenta transfer.
Investigation of the ^{3}He electromagnetic form factors and elastic nucleondeuteron scattering
in the BetheSalpeterFaddeev relativistic formalism using multirank separable kernels.
List of Activities   Activity or experiment  Leaders  
 Laboratory or other Division of JINR  Main researchers

1.  Microscopic models for exotic nuclei and nuclear astrophysics  V.V. Voronov A.A. Dzhioev J. Kvasil 


BLTP
 N.N. Arsenyev, E.B. Balbutsev, H. Ganev, V.A. Kuz'min, L.A. Malov, I.V. Molodtsova, V.O. Nesterenko, A.P. Severyukhin, V.M. Shilov,
A.V. Sushkov, A.I. Vdovin, 2 students

2.  Lowenergy nuclear dynamics and properties of nuclear systems  S.N. Ershov N.V. Antonenko R.V. Jolos 


BLTP
 G.G. Adamian, A.V. Andreev, A.N. Bezbakh, V.G. Kartavenko, Sh. Kalandarov, A.K. Nasirov, R.G. Nazmitdinov, H. Pasca
, P. Wen, A. Rahmatinejev , I.S. Rogov, T.M. Shneidman
, 2 students


FLNR
 L.V. Grigorenko, Yu.E. Penionzhkevich

3.  Quantum fewbody systems  A.K. Motovilov A.S. Melezhik 


BLTP
 D. Janseitov, I. Ishmukhamedov, O.P. Klimenko, E.A. Kolganova, V.N. Kondratyev, A.A. Korobitsyn, E.A. Koval, A.V. Malykh,
V.S. Melezhik, E.A. Solov'ev, D. Valiolda, S.I. Vinitsky, 4 students


LIT
 O. Chulunbaatar, V.P. Gerdt, A.A. Gusev

4.  Relativistic nuclear dynamics and nonlinear quantum processes  V.V. Burov M. Gaidarov S.G.Bondarenko 


BLTP
 A.V. Frisen, L.P. Kaptari, A. Khvorostukhin, V.K. Lukyanov, E. Myrzabekova, A.S. Parvan, N. Sagimbaeva, A.I. Titov, V.D. Toneev,
S.A. Yur'ev, 1 student


LIT
 K.V. Lukyanov, E.V. Zemlyanaya


VBLHEP
 A.I. Malakhov, N.M. Piskunov, Yu.A. Panebratsev, E.P. Rogochaya

Collaboration 
Country or International Organization  City  Institute or Laboratory 
Armenia
 Yerevan
 RAU



 YSU


Austria
 Innsbruck
 Univ.


Belarus
 Minsk
 IP NASB


Belgium
 Brussels
 VUB


 LouvainlaNeuve
 UCL


Brazil
 Florianopolis, SC
 UFSC


 Sao Paulo, SP
 UEP


 Sao Jose dos Campos, SP
 ITA


 Niteroi, RJ
 UFF


Bulgaria
 Sofia
 INRNE BAS



 NBU


Canada
 Hamilton
 McMaster


 Saskatoon
 U of S


China
 Beijing
 CIAE



 ITP CAS



 PKU


Czech Republic
 Prague
 CU


 Rez
 NPI CAS


Egypt
 Cairo
 EAEA


 Giza
 CU


France
 Bordeaux
 UB


 Caen
 GANIL


 Orsay
 CSNSM



 IPN Orsay


Germany
 Bonn
 UniBonn


 Cologne
 Univ.


 Darmstadt
 GSI



 TU Darmstadt


 Dresden
 HZDR


 Erlangen
 FAU


 Hamburg
 Univ.


 Frankfurt/Main
 Univ.


 Giessen
 JLU


 Leipzig
 UoC


 Mainz
 JGU


 Regensburg
 UR


 Rostock
 Univ.


 Siegen
 Univ.


Greece
 Thessaloniki
 AUTH


 Athens
 INP NCSR "Demokritos"


Hungary
 Budapest
 Wigner RCP


 Debrecen
 Atomki


India
 Kasaragod
 CUK


 Chandigarh
 PU


Iran
 Zanjan
 IASBS


Italy
 Bologna
 BRC ENEA


 Catania
 INFN LNS


 Naples
 INFN


 Messina
 UniMe


 Perugia
 INFN


 Turin
 UniTo


Japan
 Kobe
 Kobe Univ.


 Morioka
 Iwate Univ.


 Osaka
 RCNP



 Osaka Univ.


Kazakhstan
 Almaty
 INP


Lithuania
 Kaunas
 VMU


Moldova
 Chisinau
 IAP


Norway
 Bergen
 UiB


 Oslo
 UiO


Poland
 Krakow
 NINP PAS


 Lublin
 UMCS


 Otwock (Swierk)
 NCBJ


 Warsaw
 UW



 WUT


Republic of Korea
 Seoul
 SNU


 Daejeon
 IBS


Romania
 Bucharest
 IFINHH



 UB


Russia
 Moscow
 MSU



 NNRU "MEPhI"



 NRC KI



 PFUR



 SINP MSU


 Moscow, Troitsk
 INR RAS


 Gatchina
 NRC KI PNPI


 Omsk
 OmSU


 Saratov
 SSU


 St. Petersburg
 SPbSU


 Vladivostok
 FEFU


Serbia
 Belgrade
 IPB


Slovakia
 Bratislava
 CU



 IP SAS


South Africa
 Pretoria
 UNISA


 Stellenbosch
 SU


 Faure
 iThemba LABS


Spain
 Palma
 UIB


Sweden
 Lund
 LU


 Goteborg
 Chalmers


Switzerland
 Bern
 Uni Bern


Taiwan
 Taipei
 NTU



 IP AS


United Kingdom
 Guildford
 Univ.


Ukraine
 Kiev
 BITP NASU



 KINR NASU



 NUK


 Kharkov
 NSC KIPT


USA
 Lemont, IL
 ANL


 Raleigh, NC
 NCCU


 Los Alamos, NM
 LANL


 Notre Dame, IN
 ND


 University Park, PA
 Penn State


Uzbekistan
 Tashkent
 Assoc."P.S." PTI



 IAP NUU



 INP AS RUz


 Namangan
 NamETI


