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

被引：74

作者：

Mukha, I. ^{[1
,2
]}

Grigorenko, L. ^{[3
,4
]}

Suemmerer, K. ^{[4
]}

Acosta, L. ^{[5
]}

Alvarez, M. A. G. ^{[1
]}

Casarejos, E. ^{[6
]}

Chatillon, A. ^{[4
]}

Cortina-Gil, D. ^{[6
]}

Espino, J. M. ^{[1
]}

Fomichev, A. ^{[3
]}

Garcia-Ramos, J. E. ^{[5
]}

Geissel, H. ^{[4
]}

Gomez-Camacho, J. ^{[1
]}

Hofmann, J. ^{[4
]}

Kiselev, O. ^{[4
,7
,8
]}

Korsheninnikov, A. ^{[2
]}

Kurz, N. ^{[4
]}

Litvinov, Yu. ^{[4
]}

Martel, I. ^{[5
]}

Nociforo, C. ^{[4
]}

Ott, W. ^{[4
]}

Pfuetzner, M. ^{[9
]}

Rodriguez-Tajes, C. ^{[6
]}

Roeckl, E. ^{[4
]}

Stanoiu, M. ^{[4
,10
]}

Weick, H. ^{[4
]}

Woods, P. J. ^{[11
]}

机构：

[1] Univ Seville, E-41012 Seville, Spain

[2] RRC Kurchatov Inst, RU-123184 Moscow, Russia

[3] Joint Inst Nucl Res, RU-141980 Dubna, Russia

[4] Gesell Schwerionenforsch mbH, D-64291 Darmstadt, Germany

[5] Univ Huelva, E-21071 Huelva, Spain

[6] Univ Santiago de Compostela, E-15782 Santiago De Compostela, Spain

[7] Johannes Gutenberg Univ Mainz, D-55099 Mainz, Germany

[8] Paul Scherrer Inst, CH-5232 Villigen, Switzerland

[9] Warsaw Univ, IEP, PL-00681 Warsaw, Poland

[10] IFIN HH, Bucharest, Romania

[11] Univ Edinburgh, Edinburgh EH1 1HT, Midlothian, Scotland

来源：

PHYSICAL REVIEW C | 2008年 / 77卷 / 06期

基金：

英国科学技术设施理事会;

关键词：

D O I：

10.1103/PhysRevC.77.061303

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

Proton-proton correlations were observed for the two-proton decays of the ground states of Mg-19 and Ne-16. The trajectories of the respective decay products, Ne-17 + p + p and O-14 + 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.

引用

页数：5

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