نتایج جستجو برای: electron detachment
تعداد نتایج: 321826 فیلتر نتایج به سال:
A double Rydberg anion has two electrons in diffuse orbitals that are bound by a closed-shell, cationic core. Low-energy features in the recently reported photoelectron spectrum of N2H7 2 are assigned to double Rydberg anions on the basis of electron propagator calculations employing Brueckner doubles, coupled-cluster reference states. The lowest electron detachment energy, 0.415 eV, correspond...
Orders of magnitude increases are predicted in the cross sections for electron-atom scattering accompanied by absorption or emission of n laser photons for incident electron energies at which the electron, by emitting micro laser photons, can be captured by the atom to form a negative ion. Enhancements are most significant in the plateau region (n>>micro) of the scattered electron spectrum, who...
PURPOSE To determine early alterations in retinal gene expression in a porcine model of rhegmatogenous retinal detachment. METHODS Local detachment was created in eyes of adult pigs by subretinal application of sodium hyaluronate. The gene expression in control tissues and retinas detached for 24 hours was analyzed with a pig genome microarray. Genes with at least three-fold expression change...
Gas-phase alkaline earth halide anions, MgX3(-) and CaX3(-) (X = Cl, Br), were produced using electrospray and investigated using photoelectron spectroscopy at 157 nm. Extremely high electron binding energies were observed for all species and their first vertical detachment energies were measured as 6.60 +/- 0.04 eV for MgCl3(-), 6.00 +/- 0.04 eV for MgBr3(-), 6.62 +/- 0.04 eV for CaCl3(-), and...
We apply our recently developed, model-independent quantum approach for intense laser detachment of a weakly bound electron to interpret a recent experiment on abovethreshold detachment (ATD) of the Fion. We find that the measured electron energies correspond to the “Keldysh part” of the ATD spectrum, just below the onset of our predicted rescattering plateau. Overall, our predicted ATD spectru...
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