/ Experiment-Nucl arXiv:0802.4263

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

Mukha, I. (Kurchatov Inst., Moscow) ; Grigorenko, L. (Dubna, JINR) ; Summerer, K. (Darmstadt, GSI) ; Acosta, L. (Escuela Poli. Sup. U., Huelva) ; Alvarez, M.A.G. (Seville U.) ; Casarejos, E. (Santiago de Compostela U., IGFAE) ; Chatillon, A. (Darmstadt, GSI) ; Cortina-Gil, D. (Santiago de Compostela U., IGFAE) ; Espino, J. (Seville U.) ; Fomichev, A. (Dubna, JINR) ; Garcia-Ramos, J.E. (Escuela Poli. Sup. U., Huelva) ; Geissel, H. (Darmstadt, GSI) ; Gomez-Camacho, J. (Seville U.) ; Hofmann, J. (Darmstadt, GSI) ; Kiselev, O. (Darmstadt, GSI) ; Korsheninnikov, A. (Kurchatov Inst., Moscow) ; Kurz, N. (Darmstadt, GSI) ; Litvinov, Yu. (Darmstadt, GSI) ; Martel, I. (Escuela Poli. Sup. U., Huelva) ; Nociforo, C. (Darmstadt, GSI) ; Ott, W. (Darmstadt, GSI) ; Pfutzner, M. (Warsaw U.) ; Rodriguez-Tajes, C. (Santiago de Compostela U., IGFAE) ; Roeckl, E. (Darmstadt, GSI) ; Stanoiu, M. (Darmstadt, GSI) ; Weick, H. (Darmstadt, GSI) ; Woods, P.J. (Edinburgh U.)

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.

Web-Page: http://inspirebeta.net/record/780389/files/Mg19costheta_6a.png; http://inspirebeta.net/record/780389/files/Ne16costheta_6a.png; http://inspirebeta.net/record/780389/files/fig1_grig1a.png; http://inspirebeta.net/record/780389/files/kinem_scheme2a.png; http://inspirebeta.net/record/780389/files/mg19proj_a.png; http://inspirebeta.net/record/780389/files/mg19proj_b.png; http://inspirebeta.net/record/780389/files/mg19proj_c.png; http://inspirebeta.net/record/780389/files/pO-pOc1.png; http://inspirebeta.net/record/780389/files/pO_sel115-180b.png; http://inspirebeta.net/record/780389/files/pO_sel5-45c.png; http://inspirebeta.net/record/780389/files/pp_MgRhop10-48col1.png; http://inspirebeta.net/record/780389/files/pp_NeRhop9-51col1.png

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