Advertisement

Sub-barrier fusion involving odd mass nuclei: The case of 36S + 50Ti, 51V

  • G. Colucci
  • G. MontagnoliEmail author
  • A. M. Stefanini
  • K. Hagino
  • A. Caciolli
  • P. Čolović
  • L. Corradi
  • E. Fioretto
  • F. Galtarossa
  • A. Goasduff
  • J. Grebosz
  • M. Mazzocco
  • D. Montanari
  • C. Parascandolo
  • F. Scarlassara
  • M. Siciliano
  • E. Strano
  • S. Szilner
  • N. Vukman
Regular Article - Experimental Physics
  • 34 Downloads

Abstract.

Sub-barrier fusion of the two near-by systems 36S + 50Ti, 51V has been measured at the Laboratori Nazionali di Legnaro (INFN). Motivation for the experiment came from the possible effect of the non-zero spin of the ground state of the 51V nucleus on the sub-barrier excitation function, and in particular on the shape of the barrier distribution. No previous data were available for these two systems near the barrier. Our results show that the two measured excitation functions are very similar down to the level of 20-30μb. The same is true for the two barrier distributions. Coupled-channel calculations have been performed including the low energy excitations of both projectile and the two targets. We have indication that the low-lying levels in 51V can be interpreted in the weak-coupling scheme, that is, 51V (I) = 50Ti(2+) ⊗ p(1f7/2) and that the extra proton in the \( 1f_{7/2}\) shell does not have a significant influence on sub-barrier fusion.

References

  1. 1.
    B.B. Back, H. Esbensen, C.L. Jiang, K.E. Rehm, Rev. Mod. Phys. 86, 317 (2014)ADSCrossRefGoogle Scholar
  2. 2.
    Kouichi Hagino, Noboru Takigawa, Prog. Theor. Phys. 128, 1061 (2012)ADSCrossRefGoogle Scholar
  3. 3.
    G. Montagnoli, A.M. Stefanini, Eur. Phys. J. A 53, 169 (2017)ADSCrossRefGoogle Scholar
  4. 4.
    H. Esbensen, Phys. Rev. C 81, 034606 (2010)ADSCrossRefGoogle Scholar
  5. 5.
    P.R.S. Gomes et al., Phys. Rev. C 73, 064606 (2006)ADSCrossRefGoogle Scholar
  6. 6.
    E.F. Aguilera, J.J. Vega, J.J. Kolata, A. Morsad, R.G. Tighe, X.J. Kong, Phys. Rev. C 41, 910 (1990)ADSCrossRefGoogle Scholar
  7. 7.
    H. Esbensen, Phys. Rev. C 68, 034604 (2003)ADSCrossRefGoogle Scholar
  8. 8.
    L. Corradi et al., Z. Phys. A 334, 55 (1990)ADSGoogle Scholar
  9. 9.
    C.L. Jiang et al., Phys. Rev. C 81, 024611 (2010)ADSCrossRefGoogle Scholar
  10. 10.
    M. Dasgupta et al., Nucl. Phys. A 539, 351 (1992)ADSCrossRefGoogle Scholar
  11. 11.
    G. Montagnoli, A.M. Stefanini, C.L. Jiang, K. Hagino, F. Galtarossa, G. Colucci, S. Bottoni, C. Broggini, A. Caciolli, P. Čolović, L. Corradi, S. Courtin, R. Depalo, E. Fioretto, G. Fruet, A. Gal, A. Goasduff, M. Heine, S.P. Hu, M. Kaur, T. Mijatović, M. Mazzocco, D. Montanari, F. Scarlassara, E. Strano, S. Szilner, G.X. Zhang, Phys. Rev. C 97, 024610 (2018)ADSCrossRefGoogle Scholar
  12. 12.
    G. Colucci, G. Montagnoli, A.M. Stefanini, H. Esbensen, D. Bourgin, P. Čolović, L. Corradi, M. Faggian, E. Fioretto, F. Galtarossa, A. Goasduff, J. Grebosz, F. Haas, M. Mazzocco, F. Scarlassara, C. Stefanini, E. Strano, S. Szilner, M. Urbani, G.L. Zhang, Phys. Rev. C 97, 044613 (2018)ADSCrossRefGoogle Scholar
  13. 13.
    Ö. Akyüz, Å. Winther, in Nuclear Structure and Heavy-Ion Physics, Proceedings of the International School of Physics “Enrico Fermi”, Course LXXVII, Varenna, edited by R.A. Broglia, R.A. Ricci (North Holland, Amsterdam, 1981)Google Scholar
  14. 14.
    N. Rowley, G.R. Satchler, P.H. Stelson, Phys. Lett. B 254, 25 (1991)ADSCrossRefGoogle Scholar
  15. 15.
    M. Dasgupta, D.J. Hinde, N. Rowley, A.M. Stefanini, Annu. Rev. Nucl. Part. Sci. 48, 401 (1998)ADSCrossRefGoogle Scholar
  16. 16.
    K. Hagino, N. Rowley, A.T. Kruppa, Comput. Phys. Commun. 123, 143 (1999)ADSCrossRefGoogle Scholar
  17. 17.
    P. Unkel, P. Buch, J. Dembczyński, W. Ertmer, U. Johann, Z. Phys. D 11, 259 (1989)ADSCrossRefGoogle Scholar
  18. 18.
    Wang Jimin, Huang Xiaolong, Nucl. Data Sheets 144, 1 (2017)ADSCrossRefGoogle Scholar
  19. 19.
    F. Ballester, E. Casal, J.B.A. England, J.B.A. England, Nucl. Phys. A 513, 61 (1990)ADSCrossRefGoogle Scholar
  20. 20.
    H. Timmers, J.R. Leigh, M. Dasgupta, D.J. Hinde, R.C. Lemmon, J.C. Mein, C.R. Morton, J.O. Newton, N. Rowley, Nucl. Phys. A 584, 190 (1995)ADSCrossRefGoogle Scholar
  21. 21.
    K. Hagino, N. Rowley, Phys. Rev. C 69, 054610 (2004)ADSCrossRefGoogle Scholar
  22. 22.
    J.M. Yao, J. Engel, L.J. Wang, C.F. Jiao, H. Hergert, Phys. Rev. C 98, 054311 (2018)ADSCrossRefGoogle Scholar
  23. 23.
    K. Hagino, N. Takigawa, A.B. Balantekin, J.R. Bennett, Phys. Rev. C 52, 286 (1995)ADSCrossRefGoogle Scholar
  24. 24.
    K. Hagino, J.M. Yao, Phys. Rev. C 91, 064606 (2015)ADSCrossRefGoogle Scholar
  25. 25.
    J.M. Yao, K. Hagino, Phys. Rev. C 94, 011303(R) (2016)ADSCrossRefGoogle Scholar
  26. 26.
    P. Ring, P. Schuck, The Nuclear Many-Body Problem (Springer-Verlag, Berlin, 1980)Google Scholar
  27. 27.
    A.R. Edmonds, Angular Momenta in Quantum Mechanics (Princeton University Press, Princeton N.J., 1957)Google Scholar

Copyright information

© Società Italiana di Fisica and Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  • G. Colucci
    • 1
  • G. Montagnoli
    • 1
    Email author
  • A. M. Stefanini
    • 2
  • K. Hagino
    • 3
    • 4
  • A. Caciolli
    • 1
  • P. Čolović
    • 5
  • L. Corradi
    • 2
  • E. Fioretto
    • 2
  • F. Galtarossa
    • 2
  • A. Goasduff
    • 1
  • J. Grebosz
    • 6
  • M. Mazzocco
    • 1
  • D. Montanari
    • 7
  • C. Parascandolo
    • 8
  • F. Scarlassara
    • 1
  • M. Siciliano
    • 9
  • E. Strano
    • 1
  • S. Szilner
    • 5
  • N. Vukman
    • 5
  1. 1.Dipartimento di Fisica e Astronomia, Università di Padova, and INFN, Sez. di PadovaPadovaItaly
  2. 2.INFN, Laboratori Nazionali di LegnaroLegnaro (Padova)Italy
  3. 3.Department of PhysicsTohoku UniversitySendaiJapan
  4. 4.Research Center for Electron Photon ScienceTohoku UniversitySendaiJapan
  5. 5.Ruder Bošković InstituteZagrebCroatia
  6. 6.Institute of Nuclear PhysicsPolish Academy of SciencesCracowPoland
  7. 7.IPHC, CNRS-IN2P3, Université de StrasbourgStrasbourg Cedex 2France
  8. 8.Dipartimento di Fisica, Università di Napoli, and INFN, Sez. di NapoliNapoliItaly
  9. 9.Centre CEA de SaclayGif-sur-YvetteFrance

Personalised recommendations