Evidence for the 2p decay of 45Fe from GSI

被引：0

作者：

Pfützner, M ^{[1
]}

Badura, E ^{[1
]}

Bingham, C ^{[1
]}

Blank, B ^{[1
]}

Chartier, M ^{[1
]}

Geissel, H ^{[1
]}

Giovinazzo, J ^{[1
]}

Grigorenko, LV ^{[1
]}

Grzywacz, R ^{[1
]}

Hellström, M ^{[1
]}

Janas, Z ^{[1
]}

Kurcewicz, J ^{[1
]}

Lalleman, AS ^{[1
]}

Mazzocchi, C ^{[1
]}

Mukha, I ^{[1
]}

Münzenberg, G ^{[1
]}

Plettner, C ^{[1
]}

Roeckl, E ^{[1
]}

Rykaczewski, KP ^{[1
]}

Schmidt, K ^{[1
]}

Simon, RS ^{[1
]}

Stanoiu, M ^{[1
]}

Thomas, JC ^{[1
]}

机构：

[1] Univ Warsaw, Inst Expt Phys, PL-00681 Warsaw, Poland

来源：

PROTON-EMITTING NUCLEI | 2003年 / 681卷

关键词：

D O I：

暂无

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：

In an experiment performed at the GSI Fragment Separator the decay of Fe-45 has been investigated. Five Fe-45 atoms were implanted in a silicon telescope mounted inside a high-efficiency NaI detector. The implantation events were correlated with radioactive decay signals. One of them was consistent with the beta decay of Fe-45 accompanied by the emission of a 10 MeV proton. In each of the four other decay events, a signal corresponding to the emission of 1.1+/-0.1 MeV particle(s) was recorded with no coincident signals in the NaI detector. This observation represents the first evidence for the two-proton ground state decay of Fe-45. The time distribution of the observed decay events corresponds to a half-life of 3.2(-1.0)(+2.6) ms.

引用

页码：105 / 110

页数：6

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