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38

Scientific Articles

8

Conferences

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Books

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Patents

  1. ON SINGLE PARTICLE STATES AND RESONANCES IN MULTICHANNEL REACTIONS
    2. H. COMISEL, C. HATEGAN, R.A. IONESCU, H.H. WOLTER

    PROCEEDINGS OF THE ROMANIAN ACADEMY, Series A, 24 (2023) 43–50

  2. The energy calibration of the IFIN-HH 3 MV Tandetron accelerator for alpha particles
    3. D. Pantelica, C. R. Nita, R. A. Ionescu, M. D. Mihai and P. Ionescu

    AIP Advances 11 (2021) 085307

  3. Siegert state approach to quantum defect theory
    4. C. Haţegan, R.A. Ionescu, H.H. Wolter

    Eur. Phys. J. D 74 (2020)71

  4. Spectroscopic aspects of subthreshold Siegert states
    5. H. Comisel, C. Hategan, R.A. Ionescu and H.H. Wolter

    Modern Physics Letters A33 (2018) 1850149

  5. NEUTRON SUBTHRESHOLD STATES. A GAMOW-SIEGERT STATE APPROACH
    6. C. HATEGAN, R.A. IONESCU

    PROCEEDINGS OF THE ROMANIAN ACADEMY A18 (2017) 302–307

  6. Channel resonances and reduced R-Matrix
    7. C. Hategan, R.A. Ionescu

    Proceedings of the Romanian Academy A15 (2014) 346

  7. On p-wave threshold phenomena in nuclear and baryonic reactions
    8. C. Hategan, R.A. Ionescu

    Romanian Report in Physics 65 (2013) 728–744

  8. Cross sections for 167o backscattering of 4He from carbon around 4.26 MeV
    9. C.R. Nita, D. Pantelica, R.A. Ionescu, P. Ionescu, G. Velisa, M. Filipescu

    Nucl. Instrum. Meth. B 292 (2012) 40-44

  9. On transition densities in phenomenological nuclear structure models
    10. R.A. Ionescu, C. Hategan

    Romanian Reports in Physics 64 (2012) S1259-1269

  10. Radioactive states in R-Matrix Theory
    11. H. Comisel, C. Hategan, R.A. Ionescu

    Rom. J. Phys. 57 (2012) 138-148

  11. Analytical insights on ion behaviour at interfaces
    12. D. Ionescu and R.A. Ionescu

    Journal of Electroanalytical Chemistry 650 (2011) 205-208

  12. On Coulomb dissociation of halo nuclei
    13. R.A. Ionescu, C. Hategan

    Romanian Reports in Physics 63 (2011) 35–42

  13. The boundary condition displacement for weakly bound and quasistationary states
    14. H. Comisel, C. Hategan and R.A. Ionescu

    Romanian Reports in Physics 63 (2011) S1120-1132

  14. Single-particle states close to the continuum in neutron rich nuclei
    15. R.A. Ionescu, C. Hategan

    Rom. Rep. Phys. 62(2010) 18-26

  15. Boundary condition method according to reduced scattering length
    16. C. Hategan, R.A. Ionescu

    Romanian Reports in Physics, 60 (2008) 515-528

  16. Alternative descriptions of Borromean nuclei: hyperspherical and pseudopotential approaches
    17. R.A. Ionescu

    Romanian Journal of Physics 52(2007)787

  17. Multichannel Quantum Defect and Reduced R-Matrix
    18. C. Hategan, R.A. Ionescu

    Proceedings of the Romanian Academy A8 (2007) 107-110

  18. On Coulombian Threshold States
    19. D. Cutoiu, C. Hategan, R.A. Ionescu

    Romanian Reports in Physics 59 (2007) 397-409

  19. The Boundary Condition Model Approach to Borromean Nuclei
    20. C. Hategan, R.A. Ionescu, H.H. Wolter

    Modern Physics Letters A22(2007)1469

  20. Configuration Mixing according to Level-Matrix
    21. D. Cutoiu, C. Hategan, R.A. Ionescu

    Romanian Journal of Physics 51(2006)353

  21. Nuclear threshold cusp and atomic quantum defect - unitary approach
    22. C. Hategan, R.A. Ionescu

    Proc. Rom. Acad. A7(2006)27

  22. Fermi pseudopotentials and halo borromean nuclei
    23. C. Hategan, R.A. Ionescu

    Proc. Rom. Acad. A6(2005)137

  23. Quasiresonant scattering
    24. C. Hategan, H. Comisel, R.A. Ionescu

    Proc. Rom. Acad. A5(2004)129

  24. On the description of the nuclear and atomic extended states
    25. C. Hategan, R.A. Ionescu

    Rom. Rep. Phys. 55(2003)589

  25. Hyperspherical coordinate approach to weakly bound nuclei
    26. R.A. Ionescu, C. Hategan

    Rom. J. Phys. 47(2002)107

  26. Multichannel and multilevel effects on spectroscopic amplitudes
    27. C. Hategan, R.A. Ionescu

    Rom. J. Phys. 44(1999)375

  27. On the algebraic potential and the quantum defect in scattering theory
    28. C. Hategan, R.A. Ionescu

    Rom. J. Phys. 44(1999)61

  28. The role of virtual states in the appearance of two-neutron halo
    29. R.A. Ionescu, C. Hategan

    EPL 45 (1999) 296-300

  29. Form factors in the Interacting Boson Model
    30. R.A. Ionescu, C. Hategan

    Rom. Rep. Phys. 50(1998)437

  30. Algebraic parametrizations for the S-matrix of the heavy ion scattering
    31. C. Hategan, R.A. Ionescu

    Rom. Rep. Phys. 48(1996)25

  31. Generalized KdV equation for fluid dynamics and q-differential approach
    32. A. Ludu, R.A. Ionescu, W. Greiner

    Found. Phys. 26 (1996) 665

  32. On the sign ambiguity in configuration mixing and coupled channel calculations
    33. C. Hategan, R.A. Ionescu, G. Graw and R. Hertenberger

    Phys. Rev. E 54 (1996) 2170

  33. su(1,1) algebraic description of one-dimensional potentials within the R-matrix theory
    34. R.A. Ionescu, A. Ludu, W. Scheid

    J. Phys. A: Math. & Gen. 29(1996)3669

  34. A general Euclidean connection for the so(n,m) Lie algebra and the algebraic approach to scattering
    35. C. Hategan, R.A. Ionescu

    J. Phys. A: Math. & Gen. 28(1995)3743

  35. Level-matrix approach to Multichannel Quantum Defect Theory
    36. C. Hategan, R.A. Ionescu

    J. Phys. B: At. Mol. Opt. Phys. 28(1995)L681

  36. On Euclidean connections for su(1,1), suq(1,1) and the algebraic approach to scattering
    37. C. Hategan, R.A. Ionescu

    J. Phys. A: Math. & Gen. 28(1995)2095

  37. The behaviour of the logarithmic derivative in the double-well potential
    38. C. Hategan, R.A. Ionescu

    Rom. Rep. Phys. 47(1995)229

  38. Geometric one-dimensional potentials and the SO(1,2) potential group
    39. R.A. Ionescu

    Rom. Rep. Phys. 46(1994)19

  1. General analytical insights on interface behaviour of solute particles
    2. R.A. Ionescu,

    International Workshop on Nonequilibrium Nanostructures, December 01-06, 2008, Max Planck Institute for the Physics of Complex Systems, Dresden, Germany (2008)

  2. Alternative descriptions of Borromean nuclei: hyperspherical and pseudopotential approaches
    3. R.A. Ionescu

    "Collective Motion and Phase Transitions in Nuclear Systems", International Summer School in Nuclear Physics, August 28-September 9, 2006, Predeal, Romania (2006)

  3. Classical Hamiltonian approximations for simple quantum systems
    4. R.A. Ionescu

    International Workshop on Off-shell Effects in Quantum Transport, Max-Planck-Institut fuer Physik Komplexer Systeme, Dresden, Germany, May 2003 (2003)

  4. Differential elliptic flow in heavy ion collisions at intermediate energies with non-equilibrium mean fields
    5. R.A. Ionescu

    "Nuclear Collective Dynamics at Extreme Conditions", ECT* Workshop, European Centre for Theoretical Studies in Nuclear Physics and Related Areas, Trento, Italy, March, 2002 (2002)

  5. Variational approaches to the dynamics of mixed quantum states
    6. R.A. Ionescu

    "Formations of Correlations", 279. WE-Heraeus Seminar, Bad Honnef, Germany, June, 2002 (2002)

  6. Equal-time hierarchies for one-particle Green functions
    7. R.A. Ionescu

    "Strong Non-equilibrium Matter", Workshop on Quantum Transport in Relativistic Heavy Ion Physics of the European Graduate School Copenhagen-Giessen "Complex Systems of Hadrons and Nuclei", Giessen, Germany, November 2001 (2001)

  7. Quantum corrections to classical transport equations
    8. R.A. Ionescu

    International Workshop and Seminar on Nonequilibrium Physics at Short Time Scales, Max-Planck-Institut fuer Physik Komplexer Systeme, Dresden, Germany, June, 2000 (2000)

  8. Hierarchies for equal-time transport theories
    9. R.A. Ionescu

    IV. Workshop on Nonequilibrium Physics at Short Time Scales, Rostock, Germany, April, 1997 (1997)

  1. Variational approaches to the dynamics of mixed quantum states, in Formations of correlations: Nonequilibrium at short time scales, ed. K. Morawetz, (Springer Verlag, Berlin), 2004, pp. 57-69
    2. R.A. Ionescu

    2004

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