https://doi.org/10.1140/epja/i2016-16024-3
Regular Article - Experimental Physics
Trojan Horse measurement of the 18F(p,
)15O astrophysical S(E)-factor
1
Cyclotron Institute, Texas A& M University, College Station, TX, USA
2
Laboratori Nazionali del Sud, INFN, via S. Sofia 62, 95123, Catania, Italy
3
IFIN-HH, Bucharest-Magurele, Romania
4
Brookhaven National Laboratory, Upton, New York, USA
5
Dipartimento di Fisica e Astronomia, Università degli Studi di Catania, Catania, Italy
6
Department of Physics and Astronomy, Texas A&M University-Commerce, Commerce, USA
7
KORE University, Enna, Italy
* e-mail: rgpizzone@lns.infn.it
Received:
4
November
2015
Accepted:
24
December
2015
Published online:
12
February
2016
Crucial information on novae nucleosynthesis is linked to the abundance of 18F , which, due to great improvements in gamma-ray astronomy, can be detected in explosive environments. Therefore, the reaction network producing and destroying this radioactive isotope has been extensively studied in the last years. Among those reactions, the 18F(p,)15O cross section has been measured by means of several dedicated experiments, both using direct and indirect methods. The presence of resonances in the energy region of astrophysical interest has been reported by many authors. In the present work a report on a recent experiment performed via the Trojan Horse Method (THM) is presented and the results are given and compared with the ones known in the literature, both direct and indirect. Data arising from THM measurements are then averaged and the reaction rate calculated in the novae energy range.
© SIF, Springer-Verlag Berlin Heidelberg, 2016