In-beam spectroscopic studies of $^{44}$S nucleus

Abstract : The structure of the $^{44}$S nucleus has been studied at GANIL through the one proton knock-out reaction from a $^{45}$Cl secondary beam at 42~A$\cdot$MeV. The $\gamma$ rays following the de-excitation of $^{44}$S were detected in flight using the 70 BaF${_2}$ detectors of the Ch\^{a}teau de Cristal array. An exhaustive $\gamma\gamma$-coincidence analysis allowed an unambiguous construction of the level scheme up to an excitation energy of 3301~keV. The existence of the spherical 2$^+_2$ state is confirmed and three new $\gamma$-ray transitions connecting the prolate deformed 2$^+_1$ level were observed. Comparison of the experimental results to shell model calculations further supports a prolate and spherical shape coexistence with a large mixing of states built on the ground state band in $^{44}$S.
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Physical Review C, American Physical Society, 2012, 85, pp.024311. <10.1103/PhysRevC.85.024311>
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Soumis le : vendredi 6 janvier 2012 - 09:07:40
Dernière modification le : mercredi 4 janvier 2017 - 16:21:15
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L. Caceres, D. Sohler, S. Grévy, O. Sorlin, Zs. Dombradi, et al.. In-beam spectroscopic studies of $^{44}$S nucleus. Physical Review C, American Physical Society, 2012, 85, pp.024311. <10.1103/PhysRevC.85.024311>. <in2p3-00657202>



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