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Direct measurement of the 15N(p,gamma)16O total cross section at novae energies

Authors :
C. Rossi Alvarez
Z. Elekes
Roberto Menegazzo
Daniel Bemmerer
G. Gervino
Carlo Broggini
Vincenzo Roca
A. Formicola
Paolo Prati
P. Corvisiero
Zs. Fülöp
Antonio Caciolli
C. Gustavino
M. Junker
E. Somorjai
Oscar Straniero
R. Bonetti
H. Costantini
F. Confortola
A. Guglielmetti
C. Rolfs
Gy. Gyürky
M. Marta
B. Limata
D., Bemmerer
A., Caciolli
R., Bonetti
C., Broggini
F., Confortola
P., Corvisiero
H., Costantini
Z., Eleke
A., Formicola
Zs F¨, Ul¨op
G., Gervino
A., Guglielmetti
C., Gustavino
Gy, Gy¨urky
M., Junker
Limata, BENEDICTA NORMANNA
M., Marta
R., Menegazzo
P., Prati
Roca, Vincenzo
C., Rolf
C., Rossi Alvarez
E., Somorjai
O., Straniero
Source :
Preprint server arXiv.org: http://arXiv.org/abs/0902.0783, Journal of Physics G-Nuclear and Particle Physics 36(2009), 045202
Publication Year :
2009
Publisher :
arXiv, 2009.

Abstract

The 15N(p,gamma)16O reaction controls the passage of nucleosynthetic material from the first to the second carbon-nitrogen-oxygen (CNO) cycle. A direct measurement of the total 15N(p,gamma)16O cross section at energies corresponding to hydrogen burning in novae is presented here. Data have been taken at 90-230 keV center-of-mass energy using a windowless gas target filled with nitrogen of natural isotopic composition and a bismuth germanate summing detector. The cross section is found to be a factor two lower than previously believed.<br />Comment: LUNA collaboration; accepted by J. Phys. G

Details

Database :
OpenAIRE
Journal :
Preprint server arXiv.org: http://arXiv.org/abs/0902.0783, Journal of Physics G-Nuclear and Particle Physics 36(2009), 045202
Accession number :
edsair.doi.dedup.....5ff2a08051fe3ed492d98bee42b4d2f2
Full Text :
https://doi.org/10.48550/arxiv.0902.0783