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Radu Budaca

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rbudaca@theory.nipne.ro

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76

Scientific Articles

32

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  1. A semiclassical perspective on nuclear chirality
    2. R. Budaca

    Frontiers of Physics 19 (2024) 24301

  2. Axial quadrupole and octupole dynamics in heavy even-even nuclei
    3. R. Budaca, P. Buganu, and A. I. Budaca

    Il Nuovo Cimento C 47 (2024) 25

  3. Properties of the single-particle spectrum generated by the mixed fractional rotation group
    4. R. Budaca

    J. Phys. G: Nucl. Part. Phys. 51 (2024) 045102

  4. Quadrupole-octupole collective excitations in medium mass nuclei
    5. R. Budaca, A. I. Budaca, and P. Buganu

    Physica Scripta 99 (2024) 035309

  5. Radioactive decay with a screened electrostatic interaction
    6. A. I. Budaca and R. Budaca

    Nuclear Theory 41 (2024) 20

  6. Schroedinger equation for the chiral geometry in atomic nuclei
    7. R. Budaca

    Ann. Acad. Rom. Sci. Ser. Phys. Chem. 9 (2024) 7

  7. Shapes and structure for the lowest states of the 42,44Ca isotopes
    8. R. Benjedi, R. Budaca, P. Buganu, Y. EL Bassem, A. Lahbas, and M. Oulne

    Physica Scripta 99 (2024) 055307

  8. Collective excitations in even-even nuclei with a stepped infinite square well potential
    9. A. I. Budaca and R. Budaca

    EPJ Web of Conferences 290 (2023) 02014

  9. Quadrupole-octupole shape and dynamics of 222Ra
    10. R. Budaca, P. Buganu, and A. I. Budaca

    Eur. Phys. J. A 59 (2023) 242

  10. Spin dynamics of triaxial odd mass nuclei with quasiparticle alignments
    11. R. Budaca and A. I. Budaca

    J. Phys. G: Nucl. Part. Phys. 50 (2023) 125101

  11. Beyond the harmonic approximation description of wobbling excitations in even-even nuclei with frozen alignments
    12. R. Budaca and C. M. Petrache

    Phys. Rev. C 106 (2022) 014313

  12. Deformation dependence of the screened decay law for proton emission
    13. R. Budaca and A. I. Budaca

    Nucl. Phys. A 1017 (2022) 122355

  13. Experimental evidence for transverse wobbling bands in 136Nd
    14. B. F. Lv, C. M. Petrache, R. Budaca, A. Astier, K. K. Zheng, P. Greenlees, H. Badran, T. Calverley, D. M. Cox, T. Grahn, J. Hilton, R. Julin, S. Juutinen, J. Konki, J. Pakarinen, P. Papadakis, J. Partanen, P. Rahkila, P. Ruotsalainen, M. Sandzelius, J. Saren, C. Scholey, J. Sorri, S. Stolze, J. Uusitalo, B. Cederwall, A. Ertoprak, H. Liu, S. Guo, J. G. Wang, H. J. Ong, X. H. Zhou, Z. Y. Sun, I. Kuti, J. Timar, A. Tucholski, J. Srebrny, and C. Andreoiu

    Phys. Rev. C 105 (2022) 034302

  14. Nuclear collective motion of heavy nuclei with axial quadrupole and octupole deformation
    15. R. Budaca, P. Buganu, and A. I. Budaca

    Phys. Rev. C 106 (2022) 014311

  15. Shape and structure for the low-lying states of the 80Ge nucleus
    16. A. Ait Ben Mennana, R. Benjedi, R. Budaca, P. Buganu, Y. El Bassem, A. Lahbas, and M. Oulne

    Phys. Rev. C 105 (2022) 034347

  16. From chiral vibration to tilted-axis wobbling within broken chiral symmetry
    17. R. Budaca

    Phys. Lett. B 817 (2021) 136308

  17. Mixing of the coexisting shapes in the ground states of 74Ge and 74Kr
    18. A. Ait Ben Mennana, R. Benjedi, R. Budaca, P. Buganu, Y. EL Bassem, A. Lahbas, and M. Oulne

    Phys. Scr. 96 (2021) 125306

  18. Reconciliation of wobbling motion with rotational alignment in odd mass nuclei
    19. R. Budaca

    Phys. Rev. C 103 (2021) 044312

  19. Stepped infinite square well potential for collective excitations in even-even nuclei
    20. R. Budaca and A. I. Budaca

    Eur. Phys. J. Plus 136 (2021) 983

  20. Alpha decay of heavy and super heavy nuclei with a generalized electrostatic potential
    21. R. Budaca and A. I. Budaca

    Chinese Phys. C 44 (2020) 124102

  21. Quasi-exact description of the gamma-unstable shape phase transition
    22. P. Buganu, A. Lahbas, and R. Budaca

    Mod. Phys. Lett. A 35 (2020) 2050085

  22. Quasi-exact solutions for the Bohr Hamiltonian with sextic oscillator potential
    23. P. Buganu, R. Budaca, M. Chabab, A. Lahbas, and M. Oulne

    J. Phys.: Conf. Ser. 1555 (2020) 012012

  23. Semiclassical description of wobbling and chiral modes in triaxial nuclei
    24. R. Budaca

    J. Phys.: Conf. Ser. 1555 (2020) 012013

  24. Triaxiality and state-dependent shape properties of Xe isotopes
    25. A. I. Budaca and R. Budaca

    Phys. Rev. C 101 (2020) 064318

  25. Application of the Bohr Hamiltonian with a double-well sextic potential to collective states in Mo isotopes
    26. R. Budaca, A. I. Budaca, and P. Buganu

    J. Phys. G: Nucl. Part. Phys. 46 (2019) 125102

  26. Chiral bands with rigid quasiparticle alignments
    27. R. Budaca

    Bulg. J. Phys. 46 (2019) 411

  27. Comment on "Elimination of the degeneracy in the gamma-unstable Bohr Hamiltonian in the presence of an extended sextic potential
    28. R. Budaca and P. Buganu

    Phys. Rev. C 100 (2019) 049801

  28. Description of critical point nuclei within an energy-dependent geometric model
    29. A. I. Budaca and R. Budaca

    Eur. Phys. J. Plus 134 (2019) 145

  29. Geometrical model description of shape coexistence in Se istotopes
    30. R. Budaca, P. Buganu, and A. I. Budaca

    Nucl. Phys. A 990 (2019) 137-148

  30. Role of triaxiality in the structure of chiral partner bands
    31. R. Budaca

    Phys. Lett. B 797 (2019) 134853

  31. Shape phase transition, shape coexistence and mixing phenomena within the bohr model
    32. P. Buganu, R. Budaca, A. Lahbas, and A. I. Budaca

    Bulg. J. Phys. 46 (2019) 420

  32. Anharmonic oscillator potentials in the prolate gamma-rigid regime of the collective geometrical model
    33. R. Budaca

    J. Phys.: Conf. Ser. 940 (2018) 012032

  33. Bohr Hamiltonian with a potential having spherical and deformed minima at the same depth
    34. P. Buganu, R. Budaca, and A. I. Budaca

    EPJ Web of Conferences 194 (2018) 01007

  34. Bohr Model description of the critical point for the first order shape phase transition
    35. R. Budaca, P. Buganu, and A. I. Budaca

    Phys. Lett. B 776 (2018) 26

  35. Coexistence, mixing and fluctuation of nuclear shapes
    36. R. Budaca and A. I. Budaca

    EPL 123 (2018) 42001

  36. Semiclassical description of chiral geometry in triaxial nuclei
    37. R. Budaca

    Phys. Rev. C 98 (2018) 014303

  37. Tilted-axis wobbling in odd-mass nuclei
    38. R. Budaca

    Phys. Rev. C 97 (2018) 024302

  38. Bohr Hamiltonian with an energy dependent γ−unstable harmonic oscillator potential
    39. R. Budaca

    AIP Conf. Proc. 1796 (2017) 020007

  39. Bohr Model solution for a shape coexisting potential
    40. R. Budaca, P. Buganu, and A. I. Budaca

    Bulg. J. Phys. 44 (2017) 319-325

  40. Energy dependent collective excitations in Os and Pt isotopes
    41. A. I. Budaca and R. Budaca

    Phys. Scr. 92 (2017) 084001

  41. Proton emission with a screened electrostatic barrier
    42. R. Budaca and A. I. Budaca

    Eur. Phys. J. A 53 (2017) 160

  42. Shape phase transition in γ−rigid prolate nuclei
    43. P. Buganu and R. Budaca

    AIP Conf. Proc. 1796 (2017) 020008

  43. Spontaneous fission, cluster emission and alpha decay of 222Ra in a unified description
    44. M. Mirea, R. Budaca, and A. Sandulescu

    Ann. Phys. (NY) 380 (2017) 154-167

  44. Symmetry properties of the coulomb potential with a linear dependence on energy
    45. R. Budaca

    Ann. Acad. Rom. Sci. Ser. Math. Appl. 9 (2017) 205-222

  45. Updated empirical estimations of α decay half lives for superheavy nuclei
    46. A. I. Budaca, R. Budaca, and I. Silisteanu

    AIP Conf. Proc. 1796 (2017) 020016

  46. Bohr Hamiltonian with an energy dependent γ-unstable Coulomb-like potential
    47. Radu Budaca

    Eur. Phys. J. A 52 (2016) 314

  47. Emergence of Euclidean dynamical symmetry as a consequence of shape phase mixing
    48. R. Budaca and A. I. Budaca

    Phys. Lett. B 759 (2016) 349–353

  48. Extended study on a quasi-exact solution of the Bohr Hamiltonian
    49. R. Budaca, P. Buganu, M. Chabab, A. Lahbas, and M. Oulne

    Ann. Phys. (NY) 375 (2016) 65-90

  49. Extended systematics of alpha decay half lives for exotic superheavy nuclei
    50. A. I. Budaca, R. Budaca, and I. Silisteanu

    Nucl. Phys. A 951 (2016) 60–74

  50. Shape phase mixing in critical point nuclei
    51. R. Budaca and A. I. Budaca

    Phys. Rev. C 94 (2016) 054306

  51. Analytical solution for the Davydov-Chaban Hamiltonian with a sextic potential for γ = 30
    52. P. Buganu and R. Budaca

    Phys. Rev. C 91 (2015) 014306

  52. Anharmonic vibrations around a triaxial nuclear deformation ”frozen” to gamma=30
    53. P. Buganu, and R. Budaca

    AIP Conf. Proc. 1694 (2015) 020006

  53. Competing gamma-rigid and gamma-stable vibrations in neutron rich Gd and Dy isotopes
    54. R. Budaca and A. I. Budaca

    Eur. Phys. J. A 51 (2015) 126

  54. Competing gamma-rigid and gamma-stable vibrations in neutron-rich Gd and Dy isotopes
    55. R. Budaca and A. I. Budaca

    Bulg. J. Phys. 42 (2015) 503-512

  55. Conjunction of γ-rigid and γ-stable collective motions in the critical point of the phase transition from spherical to deformed nuclear shapes
    56. R. Budaca and A. I. Budaca

    J. Phys. G: Nucl. Part. Phys. 42 (2015) 085103

  56. Harmonic oscillator potential with a quartic anharmonicity in the prolate gamma-rigid collective geometrical model
    57. R. Budaca

    AIP Conf. Proc. 1694 (2015) 020010

  57. Quadrupole shape phase transitions in the gamma-rigid regime
    58. P. Buganu, and R. Budaca

    Bulg. J. Phys. 42 (2015) 513-522

  58. Quasifission mass distributions in the synthesis of 274Hs with 26Mg and 36S projectiles
    59. R. Budaca, A. Sandulescu and M. Mirea

    Mod. Phys. Lett. A 30 (2015) 1550129

  59. Sextic potential for gamma-rigid prolate nuclei
    60. P. Buganu and R. Budaca

    J. Phys. G: Nucl. Part. Phys. 42 (2015) 105106

  60. Spherical vibrator model with an energy increasing stiffness
    61. R. Budaca

    Phys. Lett. B 751 (2015) 39

  61. Z(4)-Sextic: A γ-rigid solution of the Bohr Hamiltonian with sextic oscillator potential for β and γ = 30°
    62. P. Buganu, and R. Budaca

    AIP Conf. Proc. 1681 (2015) 040014

  62. Deformation properties of the projected spherical single particle basis
    63. A. A. Raduta and R. Budaca

    Ann. Phys. (NY) 347 (2014) 141-169

  63. Harmonic oscillator potential with a sextic anharmonicity in the prolate γ-rigid collective geometrical model
    64. R. Budaca

    Phys. Lett. B 739 (2014) 56-61

  64. Quartic oscillator potential in the gamma-rigid regime of the collective geometrical model
    65. R. Budaca

    Eur. Phys. J. A 50 (2014) 87

  65. Semi-microscopic description of the proton-and neutron-induced backbending phenomena in some deformed even-even rare earth nuclei
    66. R. Budaca and A. A. Raduta

    EPJ Web of Conferences 66 (2014) 02017

  66. A semi-microscopic approach to the backbending phenomena in even-even nuclei
    67. A. A. Raduta and R. Budaca

    J. Phys.: Conf. Ser. 413 (2013) 012028

  67. Semi-microscopic description of the double backbending in some deformed even–even rare earth nuclei
    68. R. Budaca and A. A. Raduta

    J. Phys. G: Nucl. Part. Phys. 40 (2013) 025109

  68. Analytical description of the coherent state model for near vibrational and well deformed nuclei
    69. A. A. Raduta, R. Budaca, and Amand Faessler

    Ann. Phys. (NY) 327 (2012) 671–704

  69. Compact formulas for rotational bands energies in transuranic region
    70. R. Budaca and A. A. Raduta

    Rom. J. Phys. 57 (2012) 1088

  70. Collective properties of deformed atomic clusters described within a projected spherical basis
    71. A.A. Raduta, Al. H. Raduta and R. Budaca

    J. Supercond. Nov. Magn. 24 (2011) 645-651

  71. Semimicroscopic description of backbending phenomena in some deformed even-even nuclei
    72. A. A. Raduta and R. Budaca

    Phys. Rev. C 84 (2011) 044323

  72. Sum rule for a Schiff-like dipole moment
    73. A. A. Raduta and R. Budaca

    Int. J. Mod. Phys. B 25 (2011) 467-478

  73. Closed formulas for ground band energies of nuclei with various symmetries
    74. A. A. Raduta, R. Budaca and A. Faessler

    J. Phys. G: Nucl. Part. Phys. 37 (2010) 085108

  74. Extention of the Thomas-Reiche-Kuhn sum rule to a Schiff-like dipole moment
    75. A. A. Raduta and R. Budaca

    Rom. J. Phys. 55 (2010) 7592

  75. Collective dipole excitations in sodium clusters
    76. A. A. Raduta, R. Budaca and Al. H. Raduta

    Phys. Rev. A 79 (2009) 023202

  76. Semiclassical description of a triaxial rigid rotor
    77. A. A. Raduta, R. Budaca and C. M. Raduta

    Phys. Rev. C 76 (2007) 064309

  1. Axial quadrupole and octupole dynamics in medium mass and heavy even-even nuclei
    2. R. Budaca, A. I. Budaca, R. Budaca

    International Conference on Shapes and Symmetries in Nuclei: from Experiment to Theory SSNET 2024, Orsay, France, November 4-8, 2024 (2024)

  2. Spin dynamics of triaxial nuclei with a quasiparticle alignment
    3. R. Budaca

    The V International Conference on Nuclear Structure and Dynamics NSD-2024, Valencia, Spain, May 27-31, 2024 (2024)

  3. Axial quadrupole and octupole dynamics in heavy even-even nuclei
    4. R. Budaca, P. Buganu, and A. I. Budaca

    International Conference on Collective Motion in Nuclei under Extreme Conditions (COMEX7), Catania, Italy, June 11-16, 2023. (2023)

  4. Quadrupole-octupole dynamics of alternate parity bands in heavy even-even nuclei
    5. R. Budaca, P. Buganu, and A. I. Budaca

    International Workshop ”Shapes and Dynamics of Atomic Nuclei: Contemporary Aspects” (SDANCA-23), Sofia, Bulgaria, September 20-24, 2023 (2023)

  5. Semiclassical description of triaxial nuclei with rigid single-particle alignments
    6. R. Budaca

    nternational Conference on Mathematical Methods in Physics (ICMMP23), Marrakesh, Morocco, April 24-28, 2023. (2023)

  6. Spin dynamics of triaxial nuclei with quasiparticle alignments
    7. R. Budaca

    International Conference on ”Chirality and Wobbling in Atomic Nuclei” (CWAN’23), Huizhou, China, July 10-14, 2023. (2023)

  7. Harmonic and anharmonic wobbling excitations from a semiclassical treatment of rigid quasiparticle alignments
    8. R. Budaca

    International Conference on Shapes and Symmetries in Nuclei: from Experiment to Theory (SSNET-22), Orsay, France, May 30 - June 3, 2022 (2022)

  8. Wobbling and chiral bands with non-axial quasiparticle alignments
    9. R. Budaca

    10th International workshop on Quantum Phase Transitions in Nuclei and Many-Body Systems, Dubrovnik, Croatia, July 11-15, 2022 (2022)

  9. The influence of triaxial deformation and quasiparticle alignment on the structure of chiral partner bands
    10. R. Budaca

    Int. Workshop “Shapes and Dynamics of Atomic Nuclei: Contemporary Aspects” (SDANCA-21), Sofia, Bulgaria, September 16-18, 2021 (2021)

  10. Dynamics of the chiral bands from a semiclassical approach
    11. R. Budaca

    Fifth Topical Workshop on Modern Aspects in Nuclear Structure: ”The many Facets of Nuclear Structure”, Bormio, Italy, February 4-9, 2020 (2020)

  11. Chiral and wobbling vibrations in triaxial nuclei: a semiclassical approach
    12. R. Budaca

    XVII Workshop on Nuclear Physics (WONP2019), Havana, Cuba, April 1-5, 2019 (2019)

  12. Chiral bands with rigid quasiparticle alignments
    13. R. Budaca

    International Workshop "Shapes and Dynamics of Atomic Nuclei: Contemporary Aspects" (SDANCA-19), Sofia, Bulgaria, October 3-5, 2019 (2019)

  13. Semiclassical description of wobbling and chiral modes in triaxial nuclei
    14. R. Budaca

    XXIII International School on Nuclear Physics, Neutron Physics and Applications, Varna, Bulgaria, September 22-28, 2019 (2019)

  14. Wobbling phase transition in odd mass nuclei
    15. R. Budaca

    XI. International Conference on Nuclear Structure Properties (NSP2018), Trabzon, Turkey, September 12-14, 2018 (2018)

  15. Wobbling phases of odd mass nuclei - a semiclassical description
    16. R. Budaca

    The 9-th international workshop "Quantum Phase Transitions in Nuclei and Many-body Systems," Padova, Italy, May 22-25, 2018. (2018)

  16. Bohr Model solution for a shape coexisting potential
    17. R. Budaca, P. Buganu, and A. I. Budaca

    International Workshop “Shapes and Dynamics of Atomic Nuclei: Contemporary Aspects” (SDANCA-17), Sofia, Bulgaria, October 5-7, 2017 (2017)

  17. Energy dependent collective excitations in even-even nuclei
    18. R. Budaca

    Advanced many-body and statistical methods in mesoscopic systems III, Busteni, Romania, September 4 - 8, 2017 (2017)

  18. Transition and mixing within the nuclear shape phase space
    19. R. Budaca and A. I. Budaca

    "Probing fundamental interactions by low energy excitations - Advances in theoretical nuclear physics" Workshop, Stockholm, Sweden, June 4-9, 2017 (2017)

  19. Unified description of the spontaneous fission, cluster emission and alpha decay of 222Ra
    20. R. Budaca, M. Mirea, and A. Sandulescu

    The International Symposium on Physics of Unstable Nuclei 2017 (ISPUN17), Halong City, Vietnam, September 25 – 30, 2017 (2017)

  20. Bohr Hamiltonian with an energy dependent gamma-unstable harmonic oscillator potential
    21. R. Budaca

    TIM 15-16 Physics Conference, Timisoara, Romania, May 26-28, 2016 (2016)

  21. Bohr Hamiltonian with exactly solvable energy dependent potentials
    22. R. Budaca

    26th International Nuclear Physics Conference (INPC2016), Adelaide, Australia, September 11-16, 2016. (2016)

  22. Parameter-free solutions of the Bohr Model with modified shape phase space
    23. R. Budaca

    26th Shapes and Symmetries in Nuclei: from Experiment to Theory (SSNET) Workshop, Gif-sur-Yvette, France, November 7-11, 2016. (2016)

  23. Shape phase transition with a quasi-exactly solvable sextic potential
    24. R. Budaca and P. Buganu

    26th Shapes and Symmetries in Nuclei: from Experiment to Theory (SSNET) Workshop, Gif-sur-Yvette, France, November 7-11, 2016 (2016)

  24. Anharmonic oscillator potentials in the prolate γ-rigid regime of the collective geometrical model
    25. R. Budaca

    28-th EPS Nuclear Physics Divisional Conference ”Nuclear Physics in Astrophysics VII ”, York, UK, May 18-22, 2015 (2015)

  25. Interplay of gamma-rigid and gamma-stable collective motion in neutron rich rare earth nuclei
    26. R. Budaca and A. I. Budaca

    International Workshop (2015)

  26. Interplay of gamma-rigid and gamma-stable collective motion in the phase transition from spherical to deformed nucear shapes
    27. R. Budaca and A. I. Budaca

    European Nuclear Physics Conference (EuNPC2015), Groningen, The Netherlands, 31 August - 4 September, 2015 (2015)

  27. Harmonic oscillator potential with a quartic anharmonicity in the prolate gamma-rigid collective geometrical model
    28. R. Budaca

    Physics Conference - Physics without frontiers (TIM-2014), Timisoara, Romania, November 20-22, 2014 (2014)

  28. Multiple backbending in even-even nuclei
    29. R. Budaca and A. A. Raduta

    13th International Balkan Workshop on Applied Physics and Materials Science, Constanta, Romania, July 4 2013 (2013)

  29. Semi-microscopic description of the proton- and neutron-induced backbending phenomena in some deformed even-even rare earth nuclei
    30. R. Budaca and A. A. Raduta

    International Nuclear Physics Conference INPC2013, Firenze, Italy, June 2-7, 2013 (2013)

  30. A semimicroscopical approach to the backbending phenomena in even-even nuclei
    31. R. Budaca and A. A. Raduta

    International Summer School for Avanced Studies “Dynamics of open nuclear systems”, Predeal, Romania, June 9-20, 2012 (2012)

  31. Semimicroscopic description of the backbending phenomena in deformed even-even nuclei
    32. R. Budaca and A. A. Raduta

    2-nd European Nuclear Physics Conference, Bucuresti, Romania, September 17 - 21, 2012 (2012)

  32. Closed formulas for ground band energies of nuclei with various symmetries
    33. R. Budaca

    Helmholtz International Summer School on Nuclear Theory and Astrophysical Applications, Dubna, Russia, July 24 - August 2, 2011 (2011)

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