Results 221 to 230 of about 2,605 (250)

Dissociation of alkane ionized molecules

Technical Physics, 2010
The subject of investigation is the fragmentation of variously charged molecular ions arising in col-lisions of several kiloelectronvolt H+, He2+, and Ar6+ ions with molecules of the simplest alkanes (from methane to butane). Using the method of time-of-flight mass spectrometry, the formation cross sections of dissociation-induced fragment ions are ...
V. V. Afrosimov, L. A. Baranova, A. A. Basalaev, M. N. Panov, O. V. Smirnov, A. V. Tulub   +5 more
openaire   +1 more source

Unimolecular dissociation of ionized methylcyclohexane

European Journal of Mass Spectrometry, 1998
The mass spectrometric fragmentation of methylcyclohexane has been studied with high mass resolution. The use of 25 isotopomers, labeled with 13 C and/or D, allowed the elucidation of different fragmentation mechanisms, but demonstrated also the limits of the method.
Tino Gäumann, Andreas Heusler, Sophie Haebel, Wei-Qing Feng   +3 more
openaire   +1 more source

Multiphoton dissociation and ionization of nickelocene

Chemical Physics, 1981
Abstract In this paper we report the results of an experimental study of collision-free molecular multiphoton dissociation (MPD) and molecular multiphoton ionization (MPI) of nickelocene (NiC 10 H 10 ), induced by the light of a tunable dye laser in the wavelength region 3750–5200 A .
Samuel Leutwyler, Uzi Even, Joshua Jortner   +2 more
openaire   +1 more source

Ionization and dissociation by electron impact

International Journal of Mass Spectrometry and Ion Physics, 1973
Abstract The electron impact induced ionization and dissociation of H 2 O and H 2 S have been studied using a quadrupole mass spectrometer. Deconvoluted first differential ionization efficiency curves are presented and structural features of the parent and fragment ion curves discussed in terms of their contribution to the total differential ...
J.D. Morrison, J.C. Traeger
openaire   +1 more source

Dissociative ionization of the hydrogen molecule

Journal of Physics B: Atomic and Molecular Physics, 1974
The experimental results of Crowe and McConkey (1973) on the dissociative ionization of H2 by electron impact are compared with theoretical calculations on the autoionizing states of H2. The structure of their proton production spectra can be interpreted as evidence for the existence of four autoionizing states Calculated cross sections agree ...
openaire   +1 more source

Dissociation and ionization of difluorocyanophosphine

Inorganic Chemistry, 1973
P. W. Harland, D. W. H. Rankin, J. C. J. Thynne   +2 more
openaire   +1 more source

Principles of Ionization and Ion Dissociation

2010
Electron ionization process and ionization energy Internal energy of ions and internal energy distribution Energetic considerations governing the fragmentation of excited ions Quasi-equilibrium theory and rates of unimolecular dissociations Time scale of mass spectrometry Selected tools of gas phase ion chemistry Ion ...
openaire   +1 more source

Dissociative Ionization of Molecular CF2Br2 under 800 and 400 nm Intense Femtosecond Laser Fields

Applied Sciences (Switzerland), 2021
Zhipeng Li, Haitao Sun, Yan Yang
exaly  

Dissociative electron capture and dissociative ionization in perfluorocyclobutane

International Journal of Mass Spectrometry and Ion Physics, 1972
C. Lifshitz, R. Grajower
openaire   +1 more source

Dissociative Ionization and Coulomb Explosion of CHBrCl2 in Intense Near-Infrared Femtosecond Laser Fields

Applied Sciences (Switzerland), 2022
Yan Yang
exaly