Abstract
SynopsisWe present a combined experimental and theoretical study of the ionisation and fragmentation of the nucleoside thymidine in the gas phase. Two sources of ionisation/excitation are used, namely UV photons and low-energy multiply charged ions, associated with coincidences measurements, respectively photoelec- tron/photofragment (PEPICO) and fragment/fragment. Coupling these experiments with quantum chemistry calculations, we obtain a complete picture of the fragmentation dynamics, in particular the charge and energy transfers within the molecular edifice.
Highlights
Synopsis We present a combined experimental and theoretical study of the ionisation and fragmentation of the nucleoside thymidine in the gas phase
Two sources of ionisation/excitation are used, namely UV photons and low-energy multiply charged ions, associated with coincidences measurements, respectively photoelectron/photofragment (PEPICO) and fragment/fragment. Coupling these experiments with quantum chemistry calculations, we obtain a complete picture of the fragmentation dynamics, in particular the charge and energy transfers within the molecular edifice
A full comparison of experimental and theoretical results may suffer from the indeterminacy of the excitation energy transferred during the ion collision
Summary
Sweden Departamento de Quımica, Universidad Autonoma de Madrid, Cantoblanco 28049, Madrid, Spain Instituto Madrileno de Estudios Avanzados en Nanociencia, Cantoblanco 28049, Madrid, Spain ‡ Condensed Matter Physics Center (IFIMAC), Universidad Autonoma de Madrid, 28049 Madrid, Spain Synopsis We present a combined experimental and theoretical study of the ionisation and fragmentation of the nucleoside thymidine in the gas phase.
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