Excited states in the proton-unbound nuclideTa158

Proton Decay from Excited States in Spherical Nuclei

Based on a single particle model which describes the time evolution of the wave function during tunneling across a one dimensional potential barrier we study the proton decay of Pb from excited states with non-vanishing angular momentum `. Several quantities of interest in this process like the decay rate , the period of oscillation Tosc, the transient time ttr, the tunneling time ttun and the ...

Unbound states in quantum heterostructures

We report in this review on the electronic continuum states of semiconductor Quantum Wells and Quantum Dots and highlight the decisive part played by the virtual bound states in the optical properties of these structures. The two particles continuum states of Quantum Dots control the deco-herence of the excited electron – hole states. The part played by Auger scattering in Quantum Dots is also ...

Excited states of proton-bound DNA/RNA base homodimers: pyrimidines.

We are presenting the electronic photofragment spectra of the protonated pyrimidine DNA base homodimers. Only the thymine dimer exhibits a well structured vibrational progression, while the protonated monomer shows broad vibrational bands. This shows that proton bonding can block some nonradiative processes present in the monomer.

Toward concordance of Ex and J values for proton unbound S states

Nucleosynthesis in classical novae on oxygen-neon white dwarfs is sensitive to the poorly constrained thermonuclear rate of the P(p,γ)S reaction. In order to improve this situation, a variety of experiments have been performed over the past decade to determine the properties of proton unbound S levels up to an excitation energy of ≈ 6.7 MeV. Inconsistencies in the energies and J values for thes...

First Investigation of Excited States in the Odd-Proton Nucleus Fr209