Optical absorption spectrum of the silver dimer ion

Temperature dependence measured by photodissociation and photon-trap spectroscopy

K. Egashira, C. Bartels, T. Kondow, Akira Terasaki

Research output: Contribution to journalArticle

9 Citations (Scopus)

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.

Original languageEnglish
Pages (from-to)183-187
Number of pages5
JournalEuropean Physical Journal D
Volume63
Issue number2
DOIs
Publication statusPublished - Jul 1 2011

Fingerprint

ion temperature
photodissociation
optical spectrum
optical absorption
silver
dimers
traps
absorption spectra
gas cooling
temperature dependence
photons
spectroscopy
buffers
dissociation
cations
ground state
temperature
cross sections
profiles
electronics

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

Cite this

Optical absorption spectrum of the silver dimer ion : Temperature dependence measured by photodissociation and photon-trap spectroscopy. / Egashira, K.; Bartels, C.; Kondow, T.; Terasaki, Akira.

In: European Physical Journal D, Vol. 63, No. 2, 01.07.2011, p. 183-187.

Research output: Contribution to journalArticle

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