Discovery of a New Broad Resonance in (19)Ne: Implications for the Destruction of the Cosmic gamma-Ray Emitter (18)F

J. C. Dalouzy, L. Achouri, M. Aliotta, C. Angulo, H. Benhabiles, C. Borcea, R. Borcea, P. Bourgault, A. Buta, A. Coc, A. Damman, T. Davinson, F. de Grancey, F. de Oliveira Santos, N. de Sereville, J. Kiener, M. G. Pellegriti, F. Negoita, A. M. Sanchez-Benitez, O. SorlinM. Stanoiu, I. Stefan, P. J. Woods

Research output: Contribution to journalArticlepeer-review

Abstract

Six proton-emitting states in (19)Ne were studied through the inelastic scattering reaction H((19)Ne,p)(19)Ne(*)(p)(18)F. Their energies and widths were derived from the protons detected at zero degree, while proton-proton angular correlations between the detector at zero degree and a segmented annular detector were used to determine their spin value. In addition to the known states, a new broad J=1/2 resonance has been evidenced at E(x)approximate to 7.9 MeV, approximate to 1.45 MeV above the proton emission threshold. By introducing this resonance, the (18)F(p,alpha)(15)O destruction rate in novae is significantly enhanced. This reduces the chance to observe the cosmic gamma-ray emission of (18)F from novae in space telescopes.
Original languageEnglish
Article number162503
Pages (from-to)-
Number of pages4
JournalPhysical Review Letters
Volume102
Issue number16
DOIs
Publication statusPublished - 24 Apr 2009

Fingerprint

Dive into the research topics of 'Discovery of a New Broad Resonance in (19)Ne: Implications for the Destruction of the Cosmic gamma-Ray Emitter (18)F'. Together they form a unique fingerprint.

Cite this