/ Experiment-Nucl arXiv:0802.4263

Proton-proton correlations observed in two-proton decay of Mg-19 and Ne-16

Published in: Phys.Rev.
Year: 2008
Vol.: C77
Page No: 061303
Pages: 5

Abstract: Proton-proton correlations were observed for the two-proton decays of the ground states of $^{19}$Mg and $^{16}$Ne. The trajectories of the respective decay products, $^{17}$Ne+p+p and $^{14}$O+p+p, were measured by using a tracking technique with microstrip detectors. These data were used to reconstruct the angular correlations of fragments projected on planes transverse to the precursor momenta. The measured three-particle correlations reflect a genuine three-body decay mechanism and allowed us to obtain spectroscopic information on the precursors with valence protons in the $sd$ shell.

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