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From the same journal

A 3000 K laboratory emission spectrum of water

Research output: Contribution to journalArticle

Published copy (DOI)

Author(s)

  • P F Coheur
  • P F Bernath
  • M Carleer
  • R Colin
  • O L Polyansky
  • N F Zobov
  • S V Shirin
  • R J Barber
  • J Tennyson

Department/unit(s)

Publication details

JournalJournal of Chemical Physics
DatePublished - 15 Feb 2005
Issue number7
Volume122
Number of pages8
Pages (from-to)-
Original languageEnglish

Abstract

An emission spectrum of hot water with a temperature of about 3000 K is obtained using an oxy-acetylene torch. This spectrum contains a very large number of transitions. The spectrum, along with previous cooler laboratory emission spectra and an absorption spectrum recorded from a sunspot, is analyzed in the 500-2000 cm(-1) region. Use of a calculated variational linelist for water allows significant progress to be made on assigning transitions involving highly excited vibrational and rotational states. In particular emission from rotationally excited states up to J=42 and vibrational levels with up to eight quanta of bending motion are assigned. (C) 2005 American Institute of Physics.

    Research areas

  • GENERATING-FUNCTION-APPROACH, POTENTIAL-ENERGY SURFACE, HYDROGEN FLAME SPECTRA, RO-VIBRATIONAL LEVELS, MOLECULES, H2O, STATES, SPECTROSCOPY, TRANSITIONS, SUNSPOT

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