Towards a high-precision measurement of the 3He(α,γ)7Be cross section at LUNA

被引：0
|
作者：
H. Costantini
D. Bemmerer
P. Bezzon
R. Bonetti
C. Broggini
M. L. Casanova
F. Confortola
P. Corvisiero
J. Cruz
Z. Elekes
A. Formicola
Zs. Fülop
G. Gervino
C. Gustavino
A. Guglielmetti
Gy. Gyürky
G. Imbriani
A. P. Jesus
M. Junker
A. Lemut
M. Marta
R. Menegazzo
P. Prati
E. Roca
C. Rolfs
M. Romano
C. Rossi Alvarez
F. Schümann
E. Somorjai
O. Straniero
F. Strieder
F. Terrasi
H. P. Trautvetter
机构：
[1] Università degli Studi di Genova and INFN Genova,Dipartimento di Fisica
[2] INFN,Laboratori Nazionali di Legnaro
[3] INFN,Istituto di Fisica and INFN
[4] Università di Milano,Laboratori Nazionali del Gran Sasso
[5] Centro de Fisica Nuclear da Universidade de Lisboa,Dipartimento di Fisica Sperimentale and INFN
[6] ATOMKI,Institut für Experimentalphysik III
[7] INFN,Dipartimento di Scienze Ambientali
[8] Università di Torino,undefined
[9] Osservatorio Astronomico di Collurania,undefined
[10] Università di Napoli and INFN,undefined
[11] Ruhr-Universität Bochum,undefined
[12] Seconda Università di Napoli,undefined
来源：
The European Physical Journal A - Hadrons and Nuclei | 2006年 / 27卷
关键词：
25.40.Lw Radiative capture; 26.20.+f Hydrostatic stellar nucleosynthesis;
D O I：
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中图分类号：
学科分类号：
摘要：
The 3He(4He,γ)7Be reaction is the key process for the production of 7Be and 8B neutrinos in the Sun. We have designed a new experimental setup to study this reaction with high accuracy at low energies using two different experimental techniques. The first method consists in measuring the prompt capture gamma-ray transitions with an ultra-low background germanium detector heavily shielded and placed at close distance from a 3He windowless gas target. With another fully shielded large-volume germanium detector we will also measure the β-decay of the 7Be residual nuclei. The aim of the experiment is to reduce the error on the astrophysical factor S3, 4 to 4%.
引用
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页码：177 / 180
页数：3
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