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Article: Laser spectroscopy of NiI: New electronic states and hyperfine structure

TitleLaser spectroscopy of NiI: New electronic states and hyperfine structure
Authors
Issue Date2009
PublisherAmerican Institute of Physics. The Journal's web site is located at http://jcp.aip.org/jcp/staff.jsp
Citation
Journal Of Chemical Physics, 2009, v. 131 n. 19, p. 194301 How to Cite?
AbstractTwo new electronic transition systems, namely, the [14.0] 2 π 7/2-χ 2Δ 5/2 and the [15.7] 2π 5/2-χ 2Δ 5/2 transitions were observed and analyzed using laser vaporization/reaction supersonic free jet expansion and high resolution laser induced fluorescence spectroscopy. In addition, the (v, 0) bands with v=6-10 of the [14.6] 2Δ 5/2-χ 2Δ 5/2 transition were found to be perturbed by the [15.7] 2π 5/2 state. The interaction between the [14.6] 2Δ 5/2 and the [15.7] 2π 5/2 states is evident in the progressive increase in hyperfine width of rotational lines of the [14.6] 2Δ 5/2-X 2Δ 5/2 transition as the vibrational quantum number increases. Deperturbation procedures were successfully applied to analyze the interaction between these two states. All observed spectra show partially resolved hyperfine structure, and the hyperfine width decreases rapidly as J increases suggested that the hyperfine structure conforms to the Hund's case a Β coupling scheme. Accurate molecular and hyperfine constants for the [14.0] 2π 7/2, the [14.6] 2Δ 5/2 and the [15.7] 2 5/2 states were obtained and analyzed. © 2009 American Institute of Physics.
Persistent Identifierhttp://hdl.handle.net/10722/148614
ISSN
2015 Impact Factor: 2.894
2015 SCImago Journal Rankings: 0.959
ISI Accession Number ID
Funding AgencyGrant Number
Committee on Research and Conference Grants
Research Grants Council of The Hong Kong Special Administrative Region, China
Funding Information:

We would like to acknowledge the financial support from the Committee on Research and Conference Grants and the Research Grants Council of The Hong Kong Special Administrative Region, China. The authors would also like to thank Mr. P. M. Yeung and Dr. J. Ye for providing technical help in recording the spectra.

References

 

DC FieldValueLanguage
dc.contributor.authorCheung, ASCen_HK
dc.contributor.authorPang, HFen_HK
dc.contributor.authorTam, WSen_HK
dc.contributor.authorLeung, JWHen_HK
dc.date.accessioned2012-05-29T06:14:07Z-
dc.date.available2012-05-29T06:14:07Z-
dc.date.issued2009en_HK
dc.identifier.citationJournal Of Chemical Physics, 2009, v. 131 n. 19, p. 194301en_HK
dc.identifier.issn0021-9606en_HK
dc.identifier.urihttp://hdl.handle.net/10722/148614-
dc.description.abstractTwo new electronic transition systems, namely, the [14.0] 2 π 7/2-χ 2Δ 5/2 and the [15.7] 2π 5/2-χ 2Δ 5/2 transitions were observed and analyzed using laser vaporization/reaction supersonic free jet expansion and high resolution laser induced fluorescence spectroscopy. In addition, the (v, 0) bands with v=6-10 of the [14.6] 2Δ 5/2-χ 2Δ 5/2 transition were found to be perturbed by the [15.7] 2π 5/2 state. The interaction between the [14.6] 2Δ 5/2 and the [15.7] 2π 5/2 states is evident in the progressive increase in hyperfine width of rotational lines of the [14.6] 2Δ 5/2-X 2Δ 5/2 transition as the vibrational quantum number increases. Deperturbation procedures were successfully applied to analyze the interaction between these two states. All observed spectra show partially resolved hyperfine structure, and the hyperfine width decreases rapidly as J increases suggested that the hyperfine structure conforms to the Hund's case a Β coupling scheme. Accurate molecular and hyperfine constants for the [14.0] 2π 7/2, the [14.6] 2Δ 5/2 and the [15.7] 2 5/2 states were obtained and analyzed. © 2009 American Institute of Physics.en_HK
dc.languageengen_US
dc.publisherAmerican Institute of Physics. The Journal's web site is located at http://jcp.aip.org/jcp/staff.jspen_HK
dc.relation.ispartofJournal of Chemical Physicsen_HK
dc.titleLaser spectroscopy of NiI: New electronic states and hyperfine structureen_HK
dc.typeArticleen_HK
dc.identifier.emailCheung, ASC:hrsccsc@hku.hken_HK
dc.identifier.authorityCheung, ASC=rp00676en_HK
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1063/1.3262715en_HK
dc.identifier.scopuseid_2-s2.0-70450230573en_HK
dc.identifier.hkuros168266-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-70450230573&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume131en_HK
dc.identifier.issue19en_HK
dc.identifier.spage194301-
dc.identifier.epage194301-
dc.identifier.isiWOS:000272050200006-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridCheung, ASC=7401806538en_HK
dc.identifier.scopusauthoridPang, HF=16686873800en_HK
dc.identifier.scopusauthoridTam, WS=7102605536en_HK
dc.identifier.scopusauthoridLeung, JWH=7202180280en_HK

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