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The European Physical Journal D

, Volume 63, Issue 2, pp 183–187 | Cite as

Optical absorption spectrum of the silver dimer ion: temperature dependence measured by photodissociation and photon-trap spectroscopy

  • K. Egashira
  • C. Bartels
  • T. Kondow
  • A. TerasakiEmail author
Topical issue: ISSPIC 15 - Structure and thermodynamics of clusters and nanoalloys

Abstract

The optical absorption spectrum is reported for the silver dimer cation, Ag2 +, which is temperature-controlled by buffer-gas cooling in an ion trap. The measurement is performed by two methods, photodissociation and photon-trap spectroscopy. The temperature of the trapped ions is estimated from the profiles of the spectrum. The spectrum is further analyzed to evaluate the bond length, r e , the vibrational frequency, ω e , and the anharmonic constant, ω e x e , in the first excited electronic state based on the molecular parameters reported for the ground state. Absorption and dissociation cross sections are compared as well.

Keywords

Photodissociation Optical Absorption Spectrum Excited Electronic State Free Cluster Anharmonic Constant 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • K. Egashira
    • 1
  • C. Bartels
    • 1
  • T. Kondow
    • 2
  • A. Terasaki
    • 2
    Email author
  1. 1.East Tokyo Laboratory, Genesis Research InstituteChibaJapan
  2. 2.Cluster Research Laboratory, Toyota Technological Institute in East Tokyo Laboratory, Genesis Research InstituteChibaJapan

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