Trojan Horse Method with neutrons induced reactions: the 17O(n,α)14C reaction

被引：0

作者：

Guardo, G. L. ^{[1
]}

Spitaleri, C. ^{[1
,2
]}

Lamia, L. ^{[1
]}

Gulino, M. ^{[1
,3
]}

Tang, X. ^{[4
]}

Bucher, B. ^{[4
]}

Burjan, V. ^{[5
]}

Couder, M. ^{[4
]}

Davies, P. ^{[4
]}

deboer, R. ^{[4
]}

Fang, X. ^{[4
]}

Kroha, V. ^{[5
]}

La Cognata, M. ^{[1
]}

Ma, C. ^{[4
]}

Mrazek, J. ^{[5
]}

Mukhamedzhanov, A. ^{[6
]}

Notani, M. ^{[4
]}

O'Brien, S. ^{[4
]}

Pizzone, R. G. ^{[1
]}

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

Roberson, D. ^{[4
]}

Sergi, M. L. ^{[1
,2
]}

Tan, W. ^{[4
]}

Wiescher, M. ^{[4
]}

机构：

[1] Ist Nazl Fis Nucl, Lab Nazl Sud, Catania, Italy

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

[3] Univ Enna Kore, Enna, Italy

[4] Univ Notre Dame, Joint Inst Nucl Astrophys, Dept Phys, Notre Dame, IN 46556 USA

[5] ASCR, Nucl Phys Inst, Rez, Czech Republic

[6] Texas A&M Univ, Cyclotron Inst, College Stn, TX 77843 USA

来源：

EXOTIC NUCLEI AND NUCLEAR/PARTICLE ASTROPHYSICS (VI): PHYSICS WITH SMALL ACCELERATORS | 2017年 / 1852卷

关键词：

CROSS-SECTION; C-14;

D O I：

10.1063/1.4984878

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The experimental study of the O-17(n,alpha)C-14 reaction has been performed in the energy range 0-350 keV. This reaction could play an important role in explaining heavy elements (s-process) nucleosynthesis in various astrophysical scenario. To overcome the practical problems arising from the neutrons production, a new application of the Trojan Horse Method has been recently suggested. In more details, the O-17(n,alpha)C-14 reaction has been studied using the quasi-free H-2(O-17,alpha C-14)H-1 reaction, induced at an energy of 43.5 MeV. The measurement allows one to investigate the l = 3, 75 keV resonance (E*=8.125 MeV, J(pi)=5(-)), absent in the available direct measurements because of centrifugal suppression effects. Moreover, the results show that the contribution of the 166 keV and 236 keV resonances is in energy agreement with the available direct data. A clear contribution of the -7 keV subthreshold level is also present.

引用

页数：5

共 50 条

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