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Spectroscopy of $^{18}$Na: Bridging the two-proton radioactivity of $^{19}$Mg

Assié, M, Santos, FDO, Davinson, T, Grancey, FD, Achouri, L, Alcántara-Núñez, J, Kalanee, TA, Angélique, J-C, Borcea, C, Borcea, R , Caceres, L, Celikovic, I, Chudoba, V, Pang, DY, Ducoin, C, Fallot, M, Kamalou, O, Kiener, J, Lam, Y, Lefebvre-Schuhl, A, Lotay, G, Mrazek, J, Perrot, L, Sánchez-Benítez, AM, Rotaru, F, Saint-Laurent, M-G, Sobolev, Y, Smirnova, N, Stanoiu, M, Stefan, I, Subotic, K, Ujic, P, Wolski, R and Woods, PJ (2011) Spectroscopy of $^{18}$Na: Bridging the two-proton radioactivity of $^{19}$Mg

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Abstract

The unbound nucleus $^{18}$Na, the intermediate nucleus in the two-proton radioactivity of $^{19}$Mg, was studied by the measurement of the resonant elastic scattering reaction $^{17}$Ne(p,$^{17}$Ne)p performed at 4 A.MeV. Spectroscopic properties of the low-lying states were obtained in a R-matrix analysis of the excitation function. Using these new results, we show that the lifetime of the $^{19}$Mg radioactivity can be understood assuming a sequential emission of two protons via low energy tails of $^{18}$Na resonances.

Item Type: Article
Authors :
NameEmailORCID
Assié, MUNSPECIFIEDUNSPECIFIED
Santos, FDOUNSPECIFIEDUNSPECIFIED
Davinson, TUNSPECIFIEDUNSPECIFIED
Grancey, FDUNSPECIFIEDUNSPECIFIED
Achouri, LUNSPECIFIEDUNSPECIFIED
Alcántara-Núñez, JUNSPECIFIEDUNSPECIFIED
Kalanee, TAUNSPECIFIEDUNSPECIFIED
Angélique, J-CUNSPECIFIEDUNSPECIFIED
Borcea, CUNSPECIFIEDUNSPECIFIED
Borcea, RUNSPECIFIEDUNSPECIFIED
Caceres, LUNSPECIFIEDUNSPECIFIED
Celikovic, IUNSPECIFIEDUNSPECIFIED
Chudoba, VUNSPECIFIEDUNSPECIFIED
Pang, DYUNSPECIFIEDUNSPECIFIED
Ducoin, CUNSPECIFIEDUNSPECIFIED
Fallot, MUNSPECIFIEDUNSPECIFIED
Kamalou, OUNSPECIFIEDUNSPECIFIED
Kiener, JUNSPECIFIEDUNSPECIFIED
Lam, YUNSPECIFIEDUNSPECIFIED
Lefebvre-Schuhl, AUNSPECIFIEDUNSPECIFIED
Lotay, Gg.lotay@surrey.ac.ukUNSPECIFIED
Mrazek, JUNSPECIFIEDUNSPECIFIED
Perrot, LUNSPECIFIEDUNSPECIFIED
Sánchez-Benítez, AMUNSPECIFIEDUNSPECIFIED
Rotaru, FUNSPECIFIEDUNSPECIFIED
Saint-Laurent, M-GUNSPECIFIEDUNSPECIFIED
Sobolev, YUNSPECIFIEDUNSPECIFIED
Smirnova, NUNSPECIFIEDUNSPECIFIED
Stanoiu, MUNSPECIFIEDUNSPECIFIED
Stefan, IUNSPECIFIEDUNSPECIFIED
Subotic, KUNSPECIFIEDUNSPECIFIED
Ujic, PUNSPECIFIEDUNSPECIFIED
Wolski, RUNSPECIFIEDUNSPECIFIED
Woods, PJUNSPECIFIEDUNSPECIFIED
Date : 6 October 2011
Identification Number : 10.1016/j.physletb.2012.04.059
Uncontrolled Keywords : nucl-ex, nucl-ex
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 13:40
Last Modified : 17 May 2017 15:12
URI: http://epubs.surrey.ac.uk/id/eprint/840055

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