Study of ground state wave-function of the Neutron-rich <sup>29,30</sup>Na isotopes through coulomb breakup
- Rahaman, A
- Datta Pramanik, U
- Aumann, T
- Beceiro, S
- Boretzky, K
- Caesar, C
- Carlson, BV
- Catford, WN
- Chakraborty, S
- Chatterjee, S
- Chartier, M
- De Angelis, G
- Cortina-Gil, D
- Gonzalez-Diaz, D
- Emling, H
- Diaz Fernandez, P
- Fraile, LM
- Ershova, O
- Geissel, H
- Heil, M
- Jonson, B
- Kelic, A
- Johansson, H
- Kruecken, R
- Kroll, T
- Kurcewicz, J
- Langer, C
- Le Bleis, T
- Leifels, Y
- Munzenberg, G
- Marganiec, J
- Nociforo, C
- Najafi, A
- Panin, V
- Paschalis, S
- Pietri, S
- Plag, R
- Reifarth, R
- Ricciardi, V
- Rossi, D
- Ray, J
- Simon, H
- Scheidenberge, C
- Typel, S
- Taylor, J
- Togano, Y
- Volkov, V
- Weick, H
- Wagner, A
- Wamers, F
- Weigand, M
- Winfield, JS
- Yakorev, D
- Zoric, M
DOIAbstract
Coulomb breakup of unstable neutron rich nuclei 29,30Na around the 'island of inversion' has been studied at energy around 434 MeV/nucleon and 409 MeV/nucleon respectively. Four momentum vectors of fragments, decay neutron from excited projectile and γ-rays emitted from excited fragments after Coulomb breakup are measured in coincidence. For these nuclei, the low-lying dipole strength above one neutron threshold can be explained by direct breakup model. The analysis for Coulomb breakup of 29,30Na shows that large amount of the cross section yields the 28Na, 29Na core in ground state. The predominant ground-state configuration of 29,30Na is found to be 28Na(g.s) νs1/2 and 29Na(g.s) νs1/2,respectively. © Owned by the authors, published by EDP...
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