The O-15(alpha,alpha)O-15 elastic scattering is investigated using a O-15 radioactive beam and a He gas cell limited by Mylar windows. The width of a Ne-19 state at an excitation energy of 5.35MeV is measured as Gamma(alpha) = 3.2 +/- 1.6keV, in agreement with charge symmetry estimate.
Vanderbist, F., Leleux, P., Angulo, C., Casarejos, E., Couder, M., Loiselet, M., Ryckewaert, G., Descouvemont, P., Aliotta, M., Davinson, T., Liu, Z., & Woods, P. (2006). A first experimental approach to the O-15+alpha elastic scattering. European Physical Journal A. Hadrons and Nuclei. https://doi.org/10.1140/epja/i2005-10265-1