G Veshapidze et al 2004 J. Phys. B: At. Mol. Opt. Phys. 37 2969 doi:10.1088/0953-4075/37/14/010
G Veshapidze, M Nomura, T Nishide1, F A Rajgara2, H Shiromaru, Y Achiba and N Kobayashi
Show affiliationsBy collision of 120 keV Ar8+ with planar hydrocarbons, ethylene and benzene, dissociation of multiply ionized target molecules was studied, focusing attention on the possibility that all the fragment ions are ejected, or tend to be ejected, in a single plane. The trajectories of fragment ions were determined by position-sensitive time-of-flight measurements and the angular correlation of the initial velocity vectors was compared to the results of a reference non-planar molecule, ethane. To eliminate ambiguity due to the contribution of the residual gases, dissociation of ethylene-d4 and benzene-d6 was also examined. The results indicate that the initial velocity direction of the fragments indeed tends to be confined in a single plane when the target molecules are planar. That is, the angular correlation of fragment ions conserves the information on the molecular structure even for considerably large molecules.
33.15.Fm Bond strengths, dissociation energies
33.15.Bh General molecular conformation and symmetry; stereochemistry
07.57.-c Infrared, submillimeter wave, microwave and radiowave instruments and equipment
Issue 14 (28 July 2004)
Received 1 April 2004
Published 8 July 2004
G Veshapidze et al 2004 J. Phys. B: At. Mol. Opt. Phys. 37 2969
Sergey Kriminski et al 2005 Phys. Med. Biol. 50 5263
Yazhou Wang et al 2009 Supercond. Sci. Technol. 22 125015
J F R Archilla et al 2001 J. Phys. A: Math. Gen. 34 6363
A Gaur et al 2009 J. Phys.: Conf. Ser. 190 012084
D. C. Homan and J. F. C. Wardle 2000 ApJ 535 575
Carlos N Kozameh and Florencia Parisi 2004 Class. Quantum Grav. 21 2617
T Comaschi et al 2009 J. Phys.: Conf. Ser. 190 012122
Vinay Jaiswal and M Joy Thomas 2003 J. Phys. D: Appl. Phys. 36 3089
C. Batalha et al. 2002 ApJ 580 343