Search for two-proton radioactivity of 19Mg in a tracking experiment

被引：0

作者：

Mukha, I. ^{[1
]}

Suemmerer, K. ^{[3
]}

Acosta, L. ^{[4
]}

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

Casarejos, E.

Chatillon, A. ^{[3
]}

Cortina-Gil, D. ^{[5
]}

Espino, J. ^{[1
]}

Fomichev, A.

Garcia-Ramos, J. E. ^{[4
]}

Geissel, H.

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

Grigorenko, L. ^{[3
,6
]}

Hoffmann, J. ^{[3
]}

Kiselev, O. ^{[3
,7
]}

Korsheninnikov, A. ^{[2
]}

Kurz, N. ^{[3
]}

Litvinov, Yu. ^{[3
]}

Martel, I.

Nociforo, C. ^{[3
]}

Ott, W. ^{[3
]}

Pfutzner, M. ^{[8
]}

Rodriguez-Tajes, C.

Roeckl, E. ^{[3
]}

Stanoiu, M. ^{[3
,9
]}

Weick, H. ^{[3
]}

Woods, P. J. ^{[10
]}

机构：

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

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

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

[4] Univ Huelva, ES-21071 Huelva, Spain

[5] Univ Santiago Compostela, ES-15782 Santiago De Compostela, Spain

[6] Joint Inst Nuclear Res, Dubna RU-141980, Russia

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

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

[9] IFIN HH, Bucharest, Romania

[10] Univ Edinburgh, EH1 1HT, Edinburgh EH8 9YL, Midlothian, Scotland

来源：

PROTON EMITTING NUCLEI AND RELATED TOPICS | 2007年 / 961卷

关键词：

radioactivity; measured direct two-proton decay of Mg-19 [from Mg-24 fragmentation and subsequent Mg-20 neutron knock-out; measured Q(2p) T-1/2. Three-body model calculations;

D O I：

暂无

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The two-proton radioactivity of the previously unknown Mg-19 ground-state is observed by tracking the decay products in-flight. The trajectories of the 2p-decay products, Ne-17+p+p, have been measured by using tracking micro-strip detectors which allowed to reconstruct the 2p-decay vertices and fragment correlations. The half-life of Mg-19 deduced from the measured vertex distribution is 4.0(15) ps in the system of Mg-19. The Q-value of the 2p-decay of the Mg-19 ground-state inferred from the measured p-p- Ne-17 correlations is 0.75(5) MeV.

引用

页码：93 / +

页数：2

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