The 19Ne(p,γ)20Na astrophysical reaction rate determined from measurements with a radioactive beam

✍ Scribed by G. Vancraeynest; C.R. Bain; F. Binon; R. Coszach; T. Davinson; P. Decrock; Th. Delbar; P. Duhamel; M. Gaelens; W. Galster; J.-S. Graulich; M. Huyse; P. Leleux; I. Licot; E. Liénard; P. Lipnik; C. Michotte; A. Ninane; R.D. Page; P.J. Sellin; A.C. Shotter; Cs. Sükösd; P. Van Duppen; J. Vanhorenbeeck; J. Vervier; M. Wiescher; P.J. Woods

• Publisher: Elsevier Science
• Year: 1997
• Tongue: English
• Weight: 503 KB
• Volume: 616
• Category: Article
• ISSN: 0375-9474
• DOI: 10.1016/s0375-9474(97)00079-1

✦ Synopsis

The 19Ne(p,y)*% a as well as the '9Ne(d,n)2%a reaction have been studied in inverse kinematics using '"Ne radioactive beams. Upper and lower limits for the '9Ne(p,y)20Na astrophysical reaction rate have been deduced, for the first time on the basis of direct experimental data. It is concluded that the transition from the hot-CNO cycle to the rpprocess in explosive hydrogen burning is most likely governed by the preceeding "O(a,y)"Ne reaction.

* In [6] the rotation efficiency of the DSSSD set-up should be 30.6 % instead of 36 %. Using this corrected value the combined upper limit for 448 keV resonance strength is oy 5 21 meV (90% C.L.) in stead of 18 meV.