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Scientific Articles

22

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  1. A unified description of the shape phase transitions, shape coexistence and shape mixing phenomena in nuclei
    2. P. Buganu, R. Budaca

    EPJ Web Conf. 324 (2025) 00026

  2. Numerical solution of a sixth-order anharmonic oscillator for triaxial deformed nuclei
    3. P. Buganu, R. Benjedi, M. Oulne

    Mathematics 13 (2025) 460

  3. Shape transition and coexistence in 66Se studied with phenomenological and microscopic models
    4. P. Buganu, S. Chafik, A. Lahbas, M. Oulne

    Symmetry 17 (2025) 687

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

    Il Nuovo Cimento 47 C (2024) 25

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

    Phys. Scr. 99 (2024) 035309

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

    Phys. Scr. 99 (2024) 055307

  7. Quadrupole–octupole shape and dynamics of 222Ra
    8. R. Budaca, P. Buganu, A. I. Budaca

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

  8. Davydov-Chaban Hamiltonian with deformation-dependent mass term for the Kratzer potential
    9. S. Ait El Korchi, S. Baid, P. Buganu, M. Chabab, A. El. Batoul, A. Lahbas, M. Oulne

    Nucl. Phys. A 1017 (2022) 122354

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

    Phys. Rev. C 106 (2022) 014311

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

    Phys. Rev. C 105 (2022) 034347

  11. A gamma-rigid solution of the Bohr Hamiltonian with deformation-dependent mass term for Kratzer potential and gamma=30 degrees
    12. S. Ait El Korchi, S. Baid, P. Buganu, M. Chabab, A. El. Batoul, A. Lahbas, M. Oulne

    Bulg. J. Phys. 48 (2021) 514-523

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

    Phys. Scr. 96 (2021) 125306

  13. Shape coexistence in 74Ge, 74Se and 74Kr investigated by phenomenological and microscopic models
    14. A. Ait Ben Menanna, R. Benjedi, P. Buganu, R. Budaca, A. I. Budaca, Y. El Bassem, A. Lahbas, M. Oulne

    Bulg. J. Phys. 48 (2021) 475-484

  14. Quasi-exact description of the γ-unstable shape phase transition
    15. A. Lahbas, P. Buganu, 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. Application of the Bohr Hamiltonian with a double-well sextic potential to collective states in Mo isotopes
    17. R. Budaca, A. I. Budaca, P. Buganu

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

  17. Comment on “Elimination of degeneracy in the γ -unstable Bohr Hamiltonian in the presence of an extended sextic potential”
    18. R. Budaca, P. Buganu

    Phys. Rev. C 100 (2019) 049801.

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

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

  19. Shape phase transition, shape coexistence and mixing phenomena within the Bohr model
    20. P. Buganu, R. Budaca, A. Lahbas, and A. I. Budaca

    Bulg. J. Phys. 46 (2019) 424-433

  20. Shapes coexistence in the frame of the Bohr model
    21. P. Buganu, R. Budaca, A. I. Budaca

    Nuclear Theory 38 (2019) 68-73, eds. M. Gaidarov, N. Minkov, Heron Press, Sofia

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

    EPJ Web of Conferences 194 (2018) 01007

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

    Phys. Lett. B 776 (2018) 26-31.

  23. Critical points of the nuclear shape phase transitions and anharmonic oscillator potentials of sixth order
    24. P. Buganu

    Proc. Ro. Acad. Series A 19 (2018) 455-462.

  24. Davydov-Chaban Hamiltonian with deformation-dependent mass term for gamma=30°
    25. P. Buganu, M. Chabab, A. El Batoul, A. Lahbas, and M. Oulne,

    Nucl. Phys. A 970 (2018) 272-290

  25. Isovector and isoscalar proton-neutron pairing in N>Z nuclei
    26. D. Negrea, P. Buganu, D. Gambacurta, N. Sandulescu

    Phys. Rev. C 98 (2018) 064319

  26. Bohr model solution for a shape coexisting potential
    27. R. Budaca, P. Buganu, and A. I. Budaca

    Bulg. J. Phys. 44 (2017) 319-326.

  27. Davydov-Chaban Hamiltonian within the formalism of deformation-dependent effective mass for Davidson potential
    28. P. Buganu, M. Chabab, A. El Batoul, A. Lahbas, and M. Oulne

    Nuclear Theory 36 (2017) 186-194

  28. Shape phase transition in γ-rigid prolate nuclei
    29. P. Buganu and R. Budaca

    AIP Conf. Proc. 1796 (2017) 020008

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

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

  30. Recent approaches to quadrupole collectivity: models, solutions and applications based on the Bohr hamiltonian
    31. P. Buganu, and L. Fortunato

    J. Phys. G: Nucl. Part. Phys. 43 (2016) 093003

  31. Analytical solution for the Davydov-Chaban Hamiltonian with a sextic potential for gamma=30^0
    32. P. Buganu, and R. Budaca

    Phys. Rev. C 91 (2015) 014306

  32. Anharmonic vibrations around a triaxial deformation
    33. P. Buganu, and R. Budaca

    AIP Conf. Proc. 1694 (2015) 020006

  33. Energy spectra, E2 transition probabilities and shape deformations for the even-even isotopes 180-196Pt
    34. P. Buganu and A. A. Raduta

    Rom. Journ. Phys. 60 (2015) 161-178

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

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

  35. Sextic potential for γ-rigid prolate nuclei
    36. P. Buganu, and R. Budaca

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

  36. Z(4)-Sextic: A gamma-rigid solution of the Bohr-Mottelson Hamiltonian with sextic oscillator potential for beta and gamma=30 degrees
    37. P. Buganu, and R. Budaca

    AIP Conf. Proc. 1681 (2015) 040014

  37. Application of the sextic oscillator potential together with Mathieu and spheroidal functions for triaxial and X(5) type nuclei
    38. A. A. Raduta and P. Buganu

    EPJ Web of Conferences 66 (2014) 02086

  38. Application of the sextic oscillator with a centrifugal barrier and the spheroidal equation for some X(5) candidate nuclei
    39. A. A. Raduta and P. Buganu

    J. Phys. G: Nucl. Part. Phys. 40 (2013) 025108 (29pp).

  39. Description of the isotope chain 180-196Pt within several solvable approaches
    40. A. A. Raduta, and P. Buganu

    Phys. Rev. C 88 (2013) 064328

  40. Towards a new solvable model for the even-even triaxial nuclei
    41. A. A. Raduta and P. Buganu

    Journal of Physics: Conference Series 413 (2013) 012029

  41. Can the coherent state model describe the triaxial nuclei?
    42. P. Buganu and A. A. Raduta

    Rom. Journ. Phys. 57 (2012) 1103-1112

  42. New features of the triaxial nuclei described with a coherent state model
    43. P. Buganu, A. A. Raduta, and A. Faessler

    J. Phys. G: Nucl. Part. Phys. 39 (2012) 025103 (22pp)

  43. Toward a new description of triaxial nuclei
    44. A. A. Raduta and P. Buganu

    Phys. Rev. C 83 (2011) 034313

  44. A phenomenological interpretation of 4+ and 6+ state multiplets in even-even nuclei
    45. A. A. Raduta, P. Buganu, D. Bucurescu and I. I. Ursu

    Rom. Journ. Phys. 55 (2010) 1049-1063

  45. A solvable model which has X(5) as a limiting symmetry and removes some inherent drawbacks
    46. A. A. Raduta, A. C. Gheorghe, P. Buganu and A. Faessler

    Nucl. Phys. A 819 (2009) 46-78

  1. A shift from phase transitions to the coexistence of nuclear shapes
    2. P. Buganu

    42nd International Workshop on Nuclear Theory, 29 June - 5 July, 2025, Rila Mountains, Bulgaria (2025)

  2. A unified description of the shape phase transitions, shape coexistence and shape mixing phenomena in nuclei
    3. A. Ait Ben Mennana, R. Benjedi, A. I. Budaca, R. Budaca, P. Buganu, Y. El Bassem, A. Lahbas, M. Oulne

    Nuclear Structure and Dynamics, 27-31 May 2024, Valencia, Spain (2024)

  3. Shape coexistence and mixing within the frame of the Bohr model
    4. A. Ait Ben Mennana, R. Benjedi, A. I. Budaca, R. Budaca, P. Buganu, Y. El Bassem, A. Lahbas, M. Oulne

    Fifth International Workshop "Shapes and Dynamics of Atomic Nuclei: Contemporary Aspects" (SDANCA-23), 21-23 September 2023, Sofia, Bulgaria (2023)

  4. Shape coexistence and mixing within the Bohr model
    5. A. Ait Ben Mennana, R. Benjedi, A. I. Budaca, R. Budaca, P. Buganu, Y. El Bassem, A. Lahbas, and M. Oulne

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

  5. Nuclear shape evolution, mixing and coexistence in the frame of the Bohr model
    6. A. Ait Ben Mennana, R. Benjedi, A. I. Budaca, R. Budaca, P. Buganu, Y. EL Bassem, A. Lahbas, and M. Oulne

    International Workshop "Shapes and Dynamics in Atomic Nuclei: Contemporary Aspects" (SDANCA-21), 15-19 September 2021, Sofia, Bulgaria (2021)

  6. Quasi-exact description of the phase transition from spherical vibrator to gamma-unstable rotor
    7. P. Buganu, A. Lahbas, R. Budaca

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

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

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

  8. Shapes coexistence in the frame of the Bohr model
    9. P. Buganu, R. Budaca, A. I. Budaca

    38th International Workshop on Nuclear Theory, Rila Mountains, Bulgaria, 23 - 29 June 2019 (2019)

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

    The International Conference on Nuclear Structure and Related Topics, Burgas, Bulgaria, 3-9 June, 2018 (2018)

  10. Bohr model description of the critical point for the first order shape phase transition
    11. P. Buganu, R. Budaca, A. I. Budaca

    9th International Workshop on Quantum Phase Transitions in Nuclei and Many-Body Systems, Padova (Italy), 22-25 May, 2018 (2018)

  11. Nuclear shapes for the critical point of the U(5) - SU(3) nuclear shape phase transition
    12. P. Buganu, R. Budaca, A. I. Budaca

    SSNET18, International Conference on Shapes and Symmetries in Nuclei: From experiment to theory, November 5 - 9, 2018, Gif sur Yvette, France (2018)

  12. Quasi-exact solution for the Bohr-Mottelson Hamiltonian
    13. P. Buganu, and R. Budaca

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

  13. Shape phase transition for γ-rigid prolate nuclei
    14. P. Buganu, and R. Budaca

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

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

    International Workshop "Shapes and Dynamics of Atomic Nuclei: Contemporary Aspects" (SDANCA-15), Sofia, Bulgaria, October 8-10, 2015 (2015)

  15. Z(4)-Sextic: A gamma-rigid solution of the Bohr-Mottelson Hamiltonian with sextic oscillator potential for beta and gamma=30 degrees
    16. P. Buganu, and R. Budaca

    Nuclear Structure and Dynamics III, Portoroz, Slovenia, June 14-19, 2015 (2015)

  16. Anharmonic vibrations around a triaxial nuclear deformation
    17. P. Buganu and R. Budaca

    TIM14 Physics Conference - Physics without frontiers, 20th-22nd of November, 2014, Timisoara (2014)

  17. Phase transitions within some solvable models
    18. P. Buganu and A. A. Raduta

    7th Workshop on Shape-Phase Transitions and Critical Point Phenomena in Nuclei, March 10-13, 2014, Sevilla, Spain (2014)

  18. Phenomenological description of triaxial nuclei
    19. P. Buganu and A. A. Raduta

    7th Workshop on Shape-Phase Transitions and Critical Point Phenomena in Nuclei, March 10-13, 2014, Sevilla, Spain (2014)

  19. Application of the sextic oscillator potential together with Mathieu and spheroidal functions for triaxial and X(5) type nuclei
    20. A. A. Raduta and P. Buganu

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

  20. Description of Pt even-even isotopes within a solvable model for the quadrupole intrinsic variables
    21. A. A. Raduta and P. Buganu

    The 13th International Balkan Workshop on Applied Physics, Constanta (Romania), 4-6 July 2013 (2013)

  21. Toward a new description of triaxial nuclei
    22. A. A. Raduta, P. Buganu and A. Faessler

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

  22. Towards a new solvable model for the even-even triaxial nuclei
    23. A. A. Raduta and P. Buganu

    International Summer School for Advanced Studies `Dynamics of open nuclear systems`, Predeal (Romania), 9-20 July 2012 (2012)

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