Study of 60Fe(n,GAMMA;)61Fe reaction of astrophysical interest via d(60Fe,pGAMMA;) indirect reaction

被引：0

作者：

Giron, S. ^{[1
]}

Hammache, F. ^{[1
]}

de Sereville, N. ^{[1
]}

Beaumel, D. ^{[1
]}

Burgunder, J. ^{[2
]}

Caceres, L. ^{[2
]}

Clement, E. ^{[2
]}

Duchene, G. ^{[3
]}

Flavigny, F. ^{[4
]}

De France, G. ^{[2
]}

Franchoo, S. ^{[1
,2
]}

Fernandez, B.

Galaviz-Redondo, D. ^{[5
]}

Gasques, L.

Gibelin, J. ^{[6
]}

Gillibert, A.

Grevy, S. ^{[2
]}

Guillot, J. ^{[1
]}

Heil, M. ^{[7
]}

Kiener, J.

Lapoux, V.

Marechal, F. ^{[1
]}

Matta, A. ^{[1
]}

Matea, Y. ^{[1
]}

Moukaddam, M.

Nalpas, L. ^{[4
]}

Obertelli, A. ^{[4
]}

Perrot, L. ^{[1
]}

Raabe, R. ^{[2
]}

Scarpaci, J. A. ^{[1
]}

Sorlin, O. ^{[2
]}

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

Stoedel, C. ^{[2
]}

Takechi, M.

Thomas, J. C. ^{[2
]}

Togano, Y.

机构：

[1] Univ Paris 11, Inst Phys Nucl, CNRS, IN2P3, F-91406 Orsay, France

[2] GANIL, Caen, France

[3] IReS Inst Rech Subatom, Caen, France

[4] IRFU, Caen, France

[5] Ctr Fis Nucl, Caen, France

[6] LPCC, Caen, France

[7] GSI Gesellsch Schwerionenforsch MbH, Caen, France

来源：

FIFTH EUROPEAN SUMMER SCHOOL ON EXPERIMENTAL NUCLEAR ASTROPHYSICS | 2010年 / 1213卷

关键词：

Nuclear astrophysics; Fe-60; transfer reaction; radioactive beam;

D O I：

10.1063/1.3362577

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

INTEGRAL and RHESSI spacecrafts recently detected the 1.173 and 1.333 MeV gamma-ray lines coming from the Fe-60 - Co-60 - Ni-60 radioactive decay chain. The long lived isotope Fe-60 (T-1/2 = 1.5 10(6)y) is believed to be primarily produced in core-collapse supernovae. However the interpretation of the observations is difficult because of the large uncertainties concerning Fe-59(n,gamma)Fe-60 and Fe-60(n,gamma)Fe-61 cross sections, involved in Fe-60 nucleosynthesis. The direct component of the Fe-60(n,gamma)Fe-61 reaction was studied indirectly via the d(Fe-60,p gamma)Fe-61 transfer reaction. The experiment performed in GANIL in spring 2009 will allow to determine the excitation energies of the populated excited states of Fe-61 and for the first time their spectroscopic factors as well as their transfer angular momentum. I will first give an overview of the astrophysical context, then I will describe the experimental setup and finally present some preliminary results of the ongoing analysis.

引用

页码：201 / +

页数：2

共 41 条

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