Physical Review Letters
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First $β$-Delayed Two-Neutron Spectroscopy of the $r$-Process Nucleus $^{134}\mathrm{In}$ and Observation of the ${i}_{13/2}$ Single-Particle Neutron State in $^{133}\mathrm{Sn}$
Author(s): P. Dyszel et al. (IDS Collaboration)
This manuscript reports on the direct observation of a $β$-delayed two-neutron emission in a study of $^{134}\mathrm{In}$ at the ISOLDE Decay Station using neutron spectroscopy. We also report on the first measurement in ${β}^{−}$ decay of the long-sought $13/{2}^{+}$ excited state in $^{133}\mathrm… [Phys. Rev. Lett. 135, 152501] Published Wed Oct 08, 2025
