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Radu Budaca

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rbudaca@theory.nipne.ro

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69

Scientific Articles

30

Conferences

0

Books

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Patents

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

    EPJ Web of Conferences 290 (2023) 02014

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

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

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

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

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

    Phys. Rev. C 106 (2022) 014313

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

    Nucl. Phys. A 1017 (2022) 122355

  6. Experimental evidence for transverse wobbling bands in 136Nd
    7. 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

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

    Phys. Rev. C 106 (2022) 014311

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

    Phys. Rev. C 105 (2022) 034347

  9. From chiral vibration to tilted-axis wobbling within broken chiral symmetry
    10. R. Budaca

    Phys. Lett. B 817 (2021) 136308

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

    Phys. Scr. 96 (2021) 125306

  11. Reconciliation of wobbling motion with rotational alignment in odd mass nuclei
    12. R. Budaca

    Phys. Rev. C 103 (2021) 044312

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

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

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

    Chinese Phys. C 44 (2020) 124102

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

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

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

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

  16. Semiclassical description of wobbling and chiral modes in triaxial nuclei
    17. R. Budaca

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

  17. Triaxiality and state-dependent shape properties of Xe isotopes
    18. A. I. Budaca and R. Budaca

    Phys. Rev. C 101 (2020) 064318

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

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

  19. Chiral bands with rigid quasiparticle alignments
    20. R. Budaca

    Bulg. J. Phys. 46 (2019) 411

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

    Phys. Rev. C 100 (2019) 049801

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

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

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

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

  23. Role of triaxiality in the structure of chiral partner bands
    24. R. Budaca

    Phys. Lett. B 797 (2019) 134853

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

    Bulg. J. Phys. 46 (2019) 420

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

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

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

    EPJ Web of Conferences 194 (2018) 01007

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

    Phys. Lett. B 776 (2018) 26

  28. Coexistence, mixing and fluctuation of nuclear shapes
    29. R. Budaca and A. I. Budaca

    EPL 123 (2018) 42001

  29. Semiclassical description of chiral geometry in triaxial nuclei
    30. R. Budaca

    Phys. Rev. C 98 (2018) 014303

  30. Tilted-axis wobbling in odd-mass nuclei
    31. R. Budaca

    Phys. Rev. C 97 (2018) 024302

  31. Bohr Hamiltonian with an energy dependent γ−unstable harmonic oscillator potential
    32. R. Budaca

    AIP Conf. Proc. 1796 (2017) 020007

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

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

  33. Energy dependent collective excitations in Os and Pt isotopes
    34. A. I. Budaca and R. Budaca

    Phys. Scr. 92 (2017) 084001

  34. Proton emission with a screened electrostatic barrier
    35. R. Budaca and A. I. Budaca

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

  35. Shape phase transition in γ−rigid prolate nuclei
    36. P. Buganu and R. Budaca

    AIP Conf. Proc. 1796 (2017) 020008

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

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

  37. Symmetry properties of the coulomb potential with a linear dependence on energy
    38. R. Budaca

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

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

    AIP Conf. Proc. 1796 (2017) 020016

  39. Bohr Hamiltonian with an energy dependent γ-unstable Coulomb-like potential
    40. Radu Budaca

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

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

    Phys. Lett. B 759 (2016) 349–353

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

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

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

    Nucl. Phys. A 951 (2016) 60–74

  43. Shape phase mixing in critical point nuclei
    44. R. Budaca and A. I. Budaca

    Phys. Rev. C 94 (2016) 054306

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

    Phys. Rev. C 91 (2015) 014306

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

    AIP Conf. Proc. 1694 (2015) 020006

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

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

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

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

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

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

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

    AIP Conf. Proc. 1694 (2015) 020010

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

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

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

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

  52. Sextic potential for gamma-rigid prolate nuclei
    53. P. Buganu and R. Budaca

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

  53. Spherical vibrator model with an energy increasing stiffness
    54. R. Budaca

    Phys. Lett. B 751 (2015) 39

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

    AIP Conf. Proc. 1681 (2015) 040014

  55. Deformation properties of the projected spherical single particle basis
    56. A. A. Raduta and R. Budaca

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

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

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

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

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

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

    EPJ Web of Conferences 66 (2014) 02017

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

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

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

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

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

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

  62. Compact formulas for rotational bands energies in transuranic region
    63. R. Budaca and A. A. Raduta

    Rom. J. Phys. 57 (2012) 1088

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

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

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

    Phys. Rev. C 84 (2011) 044323

  65. Sum rule for a Schiff-like dipole moment
    66. A. A. Raduta and R. Budaca

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

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

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

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

    Rom. J. Phys. 55 (2010) 7592

  68. Collective dipole excitations in sodium clusters
    69. A. A. Raduta, R. Budaca and Al. H. Raduta

    Phys. Rev. A 79 (2009) 023202

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

    Phys. Rev. C 76 (2007) 064309

  1. Axial quadrupole and octupole dynamics in heavy even-even nuclei
    2. 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)

  2. Quadrupole-octupole dynamics of alternate parity bands in heavy even-even nuclei
    3. 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)

  3. Semiclassical description of triaxial nuclei with rigid single-particle alignments
    4. R. Budaca

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

  4. Spin dynamics of triaxial nuclei with quasiparticle alignments
    5. R. Budaca

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

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

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

  6. Wobbling and chiral bands with non-axial quasiparticle alignments
    7. R. Budaca

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

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

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

  8. Dynamics of the chiral bands from a semiclassical approach
    9. R. Budaca

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

  9. Chiral and wobbling vibrations in triaxial nuclei: a semiclassical approach
    10. R. Budaca

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

  10. Chiral bands with rigid quasiparticle alignments
    11. R. Budaca

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

  11. Semiclassical description of wobbling and chiral modes in triaxial nuclei
    12. R. Budaca

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

  12. Wobbling phase transition in odd mass nuclei
    13. R. Budaca

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

  13. Wobbling phases of odd mass nuclei - a semiclassical description
    14. R. Budaca

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

  14. Bohr Model solution for a shape coexisting potential
    15. 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)

  15. Energy dependent collective excitations in even-even nuclei
    16. R. Budaca

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

  16. Transition and mixing within the nuclear shape phase space
    17. 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)

  17. Unified description of the spontaneous fission, cluster emission and alpha decay of 222Ra
    18. 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)

  18. Bohr Hamiltonian with an energy dependent gamma-unstable harmonic oscillator potential
    19. R. Budaca

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

  19. Bohr Hamiltonian with exactly solvable energy dependent potentials
    20. R. Budaca

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

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

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

  21. Shape phase transition with a quasi-exactly solvable sextic potential
    22. 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)

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

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

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

    International Workshop (2015)

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

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

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

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

  26. Multiple backbending in even-even nuclei
    27. R. Budaca and A. A. Raduta

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

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

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

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

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

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

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

  30. Closed formulas for ground band energies of nuclei with various symmetries
    31. R. Budaca

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

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