Conveners
Thursday - Session 4: Explosive Stellar Objects and Nuclear Physics: Explosive Hydrogen Burning II
- NgocDuy Nguyen (Sunkyunkwan University)
We report on a study of the reactions p+10,11B at low energy. The reactions are relevant in the field of astrophysics, nuclear physics, and also for applications. Studying these reactions provides additional input data for astrophysical models in particular towards astrophysical energies [1-2].
We have used the 5SDH-2 peletron accelerator at Hanoi University of Science to investigate the...
Since the first detected extrasolar X-ray source of Scorpius X-1 (aka Sco X-1) by Giacconi et al. in 1962, more than 7083 Type-I X-ray bursts generated by the respective 115 bursters have been observed. Reproducing the burst light curve is the key to accurately understanding thin-shell burning in Type-I X-ray bursts, nova outbursts, and Type-Ia supernovae, and to identifying important seed...
Direct observation of γ-ray emission from the decay of 18F ejected in classical nova outbursts remains a major focus of the nuclear astrophysics community. However, modeling the abundance of ejected 18F, and thus the predicted detectability distance of a γ-ray signal near 511 keV emitted from these transient thermonuclear episodes, is hampered by significant uncertainties in our knowledge of...
Neutron induced reactions on unstable nuclei play a significant role in the nucleosynthesis of the elements in the cosmos. Their interest range from the primordial processes occurred during the Big Bang Nucleosynthesis up to the “stellar cauldrons” where neutron capture reactions build up heavy elements. In the last years, several efforts have been made to investigate the possibility of...
The 42Ti(p,g)43V reaction rate plays an important role in the nucleosynthesis in type I X-ray bursts. In this work, the 42Ti(p,g)43V rate at temperatures relevant for X-ray bursts has been assessed. The spins, parities, and excitation energies of low-lying 43V levels were calculated with the OXBASH code, and were used, along with a new mass measurement of 43V, to obtain an updated...
Gamow-Teller (GT) strength distributions play a significant role in the neutrino-induced reactions supposed to be occurred in the supernova explosion. Most of the reactions are dominated by the GT transition among the other multipole transitions.
However, some nuclei show interesting behavior, so to say, GT peak in the lower energy region, due to the tensor force. We are going to discuss the...
