التفاصيل البيبلوغرافية
| العنوان: |
Coulomb Dissociation of Proton-Rich sd-shell Nuclei for Astrophysical Interest and Their Implications. |
| المؤلفون: |
Yoneda, Ken-ichiro |
| المصدر: |
AIP Conference Proceedings; 1/24/2008, Vol. 972 Issue 1, p240-248, 9p, 1 Diagram, 3 Graphs |
| مصطلحات موضوعية: |
NUCLEAR reactions, NUCLEAR astrophysics, RADIOISOTOPES, PROTON decay, PARTICLES (Nuclear physics) |
| مستخلص: |
Two astrophysical reactions, 22Mg(p,γ)23Al and 26Si(p,γ)27P, were investigated by using the Coulomb breakup of proton-rich isotopes 23Al and 27P. The radiative widths determined from the cross sections suggest that the β+ decay of 22Mg is favored over the 22Mg(p,γ)23Al reaction, while 26Si(p,γ)27P reaction is faster than the β+ decay of 26Si around the peak temperature of heavy novae. Two-neutron knockout reactions of the proton-rich sd-shell isotopes 26Si, 30S, and 34Ar were also studied. The measured branching ratios are well reproduced by a theoretical calculation which takes into account nucleon-nucleon correlation in a nucleus. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
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