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American Physical Society, Physical Review C, 6(77)

DOI: 10.1103/physrevc.77.061303

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Proton-proton correlations observed in two-proton decay ofMg19andNe16

Journal article published in 2008 by I. Mukha, L. Grigorenko, K. Sümmerer, L. Acosta, M. A. G. Alvarez, E. Casarejos, A. Chatillon, D. Cortina-Gil ORCID, J. M. Espino, A. Fomichev, J. E. García-Ramos ORCID, H. Geissel, J. Gómez-Camacho, J. Hofmann, O. Kiselev and other authors.
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This paper is available in a repository.

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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. ; Comment: 5 pages 6 figures