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Consecutive photodissociation of a single complex molecular ion

K. Højbjerre, D. Offenberg, C. Z. Bisgaard, H. Stapelfeldt, P. F. Staanum, A. Mortensen, and M. Drewsen

Phys. Rev. A: At. Mol. Opt. Phys., vol: 77, num: 3, 4 pages, published: 24 March 2008, 030702(R)

Abstract: Using the positively charged aniline ion (C6H5NH<sub>2</sub><sup>+</sup>) as a test molecule, we demonstrate that it is possible to study consecutive photodissociation of complex molecular ions at the single molecule level in an ion trap. When a single C6H5NH<sub>2</sub><sup>+</sup> ion is exposed to laser light at 397  nm and 294  nm, direct or consecutive photodissociation leads to the production of a range of smaller polyatomic molecular ions such as C5H<sub>6</sub><sup>+</sup> and C3H<sub>3</sub><sup>+</sup>. The applied method is very versatile and can, e.g., be used in combination with free electron lasers or synchrotron radiation sources.

   Atoms and molecules.
      Interaction of atoms and molecules with external fields and radiation.
         Photoionisation and photodissociation.
            Dissociation and other transformations of molecules by action of light.