Abstract
Results are presented of a series of calculations in which an attempt has been made to reproduce experimental peak profiles that result from the collision-induced dissociation of polyatomic ions. The calculations show that the peak profiles are insensitive to the details of the collisional energy transfer distribution, but that the shape of the peaks is influenced by changes in the kinetic energy release distribution. For two collision-induced fission reactions, those of the ethanol and propanol ions, good agreement between the experimental and calculated peak profiles is obtained using a quasi-equilibrium theory (QET) kinetic energy release distribution. In the case of the acetone ion decomposition, however, alternative forms of the kinetic energy release distribution have to be considered, in order for the calculated result to reproduce the experimental peak profile.
Published Version
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