Application of the THM to the investigation of reactions induced by unstable nuclei: the 18F(p,a)150 case

被引：0

作者：

La Cognata, Marco ^{[1
]}

Pizzone, Rosario G. ^{[1
]}

Jose, Jordi ^{[2
,3
]}

Hernanz, Margarita ^{[3
,4
]}

Cherubini, Silvio ^{[1
,5
]}

Gulino, Marisa ^{[1
,6
]}

Rapisarda, Giuseppe G. ^{[1
,5
]}

Spitaleri, Claudio ^{[1
,5
]}

机构：

[1] INFN, Lab Nazl Sud, Catania, Italy

[2] Univ Politecn Cataluna, Dept Fis, EEBE, Barcelona 08019, Spain

[3] Inst Estudis Espacials Catalunya, Barcelona 08034, Spain

[4] CSIC, ICE, Inst Ciencies Espai, Campus UAB,C Can Magrans S-N, Bellaterra 08193, Spain

[5] Univ Catania, Dipartimento Fis & Astron, Catania, Italy

[6] Kore Univ, Fac Ingn Architettura, Viale Olimpiadi 1, I-94100 Enna, Italy

来源：

IV INTERNATIONAL CONFERENCE ON NUCLEAR STRUCTURE AND DYNAMICS (NSD2019) | 2019年 / 223卷

关键词：

D O I：

10.1051/epjconf/201922301030

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：

The Trojan Horse Method is applied to the investigation of the F-18(p,alpha)O-15 reaction, by extracting the quasi free contribution to the H-2(F-18,alpha O-15)n process. For the first time the method is applied to a reaction of astrophysical importance involving a radioactive nucleus. After investigating the reaction mechanism populating the alpha + O-15 + n exit channel, we could extract the F-18(p,alpha)O-15 cross section and calculate the astrophysical factor over the 0 - 1 MeV energy interval. The possibility of exploring the cross section with no need of extrapolation allowed us to to point out the possible occurrence of a 7/2(+) state at 126 keV, which would strongly influence the trend of the astrophysical factor at the energies of astrophysical interest. However, the low energy resolution prevents us to draw definite conclusions. Possible astrophysical consequences are also discussed, motivating further work on this reaction.

引用

页数：4

共 36 条

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