EPJ Web Conf.
Volume 223, 2019IV International Conference on Nuclear Structure and Dynamics (NSD2019)
|Number of page(s)||4|
|Published online||04 December 2019|
Nuclear structure in the neutron-deficient Sn nuclei TKEL effects on lifetime measurements
Irfu/CEA, Université de Paris-Saclay,
2 INFN, Laboratori Nazionali di Legnaro, Legnaro, Italy
3 Dipartimento di Fisica e Astronomia, Università di Padova, Padova, Italy
4 INFN, Sezione di Padova, Padova, Italy
* e-mail: firstname.lastname@example.org
Published online: 4 December 2019
The presence of seniority-like isomers along the Z = 50 isotopic chain have been an experimental limitation to the investigation of the electromagnetic properties of the low-lying states in the light Sn nuclei. Combining a multi-nucleon transfer reaction with the Recoil-Distance Doppler-Shift technique, the lifetimes of the 21+ and 41+ excited states have been directly measured in the neutron-deficient 106, 108Sn isotopes for the very first time. The emitted γ rays were detected by the AGATA array, while the reactionproducts were uniquely identified by the VAMOS++ magnetic spectrometer. The control of the direct feeding of the statesby gating on the Total Kinetic Energy Loss, together with the unique capabilities of the two spectrometers, was crucial for the measurementin 108Sn.
© The Authors, published by EDP Sciences, 2019
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