20Ne(α,p)23Na studied to constrain type Ia nucleosynthesis

被引：0

作者：

Boomershine, C. N. ^{[1
]}

Bardayan, D. W. ^{[1
]}

Carmichael, S. ^{[1
]}

Caves, L. ^{[1
]}

Davis, A. ^{[2
]}

deboer, R. J. ^{[1
]}

Gula, A. ^{[1
]}

Howard, K. ^{[1
]}

Kelmar, R. ^{[1
]}

Mitchell, A. ^{[3
]}

Morales, L. ^{[1
]}

Moylan, S. ^{[1
]}

O'Malley, P. D. ^{[1
]}

Robertson, D. ^{[1
]}

Stech, E. ^{[1
]}

机构：

[1] Univ Notre Dame, Dept Phys & Astron, Notre Dame, IN USA

[2] Swarthmore Coll, Dept Phys & Astron, Swarthmore, PA USA

[3] Univ Southern Indiana, Dept Phys, Evansville, IN USA

来源：

28TH INTERNATIONAL NUCLEAR PHYSICS CONFERENCE, INPC 2022 | 2023年 / 2586卷

关键词：

D O I：

10.1088/1742-6596/2586/1/012110

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

The Ne-20(alpha,p)Na-23 reaction rate is important in determining the final abundances of various nuclei produced in type Ia supernovae. Previously, the ground state cross section was calculated from time reversal reaction experiments using detailed balance. The reaction rates extracted from these studies do not consider contributions from the population of excited states, and therefore, are only estimates. A resonance scan, populating both the ground and first excited states, was performed for the Ne-20(alpha,p)Na-23 reaction, measuring between 2.9 and 5 MeV center of mass energies at the Nuclear Science Lab at the University of Notre Dame. Data analysis is underway and preliminary results show substantial contribution from the excited state reaction.

引用

页数：4

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