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2003 Fiscal Year Final Research Report Summary

Detection and frequency measurement of rotational transitions of molecular anions

Research Project

Project/Area Number 14540468
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Physical chemistry
Research InstitutionToyama University

Principal Investigator

MATSUSHIMA Fusakazu  Toyama University, Faculty of Science, Professor, 理学部, 教授 (40142236)

Co-Investigator(Kenkyū-buntansha) TAKAGI Kojiro  Toyama University, Faculty of Science, Professor Emeritus, 理学部, 名誉教授 (60018976)
MORIWAKI Yoshiki  Toyama University, Faculty of Science, assistant Professor, 理学部, 助教授 (90270470)
ODASHIMA Hitoshi  Toyama University, Faculty of Science, assistant Professor, 理学部, 助教授 (50233557)
Project Period (FY) 2002 – 2003
Keywordsmolecule / spectroscopy / laser / far-infrared / rotational spectra / negative ion / anion
Research Abstract

Pure rotational transitions of molecular anion(negatively charged molecular ion) in the far-infrared region have been successfully detected by the tunable far-infrared spectrometer in Toyama University. The low-J rotational lines, J=1←0,2←1,3←2,and 4←3 of the OH^-anion were observed and their frequencies were precisely measured. Molecular parameters which are more precise by one or two orders of magnitude were obtained by the analysis of the present data.
The present research project made it possible to open a new field of precise rotational spectroscopy of molecular anions.

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Published: 2005-04-19  

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