Hyperfine induced intensity redistribution in In II
Identifieur interne : 000B30 ( Chine/Analysis ); précédent : 000B29; suivant : 000B31Hyperfine induced intensity redistribution in In II
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Abstract
We present a theoretical investigation of the hyperfine structure of the 5s5d 3D2-5s4f 3F02,3 transitions in In II. Earlier work has failed in determining hyperfine constants for the upper levels of these transitions. We show that this is due to strong off-diagonal hyperfine interaction, which not only changes the position of the individual hyperfine lines but also introduces large intensity redistributions among the different hyperfine levels. We present hyperfine dependent gf-values and show that off-diagonal hyperfine interaction reduces some of the gf-values by two orders of magnitude, while others are increased by up to more than a factor of 6. We also discuss the influence on the hyperfine structure of an accurate representation of the level-splitting of the 5s4f configuration. We show that the hyperfine interaction in 3F03 and 1F03 is very hard to determine accurately even in a large-scale calculation, and we derive a semi-empirical method for adjusting our results using an experimentally known, diagonal hyperfine constant for 5s4f 1F03. The resulting theoretical synthetic spectra reproduce the experimental values to high accuracy and facilitate the identification of all observed lines.
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">Hyperfine induced intensity redistribution in In II</title><author><name sortKey="Grumer, Jon" uniqKey="Grumer J">Jon Grumer</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Physics, Lund University</s1><s3>SWE</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>Suède</country><wicri:noRegion>Department of Physics, Lund University</wicri:noRegion></affiliation><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Shanghai EBIT Laboratory, Institute of Modern Physics, Fudan University</s1><s2>Shanghai</s2><s3>CHN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>République populaire de Chine</country><wicri:noRegion>Shanghai</wicri:noRegion></affiliation></author><author><name sortKey="Andersson, Martin" uniqKey="Andersson M">Martin Andersson</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Shanghai EBIT Laboratory, Institute of Modern Physics, Fudan University</s1><s2>Shanghai</s2><s3>CHN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>République populaire de Chine</country><wicri:noRegion>Shanghai</wicri:noRegion></affiliation><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>The Key Laboratory of Applied Ion Beam Physics, Ministry of Education</s1><s3>CHN</s3><sZ>2 aut.</sZ></inist:fA14><country>République populaire de Chine</country><wicri:noRegion>The Key Laboratory of Applied Ion Beam Physics, Ministry of Education</wicri:noRegion></affiliation></author><author><name sortKey="Brage, Tomas" uniqKey="Brage T">Tomas Brage</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Physics, Lund University</s1><s3>SWE</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>Suède</country><wicri:noRegion>Department of Physics, Lund University</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="inist">10-0299665</idno><date when="2010">2010</date><idno type="stanalyst">PASCAL 10-0299665 INIST</idno><idno type="RBID">Pascal:10-0299665</idno><idno type="wicri:Area/Main/Corpus">004289</idno><idno type="wicri:Area/Main/Repository">003F77</idno><idno type="wicri:Area/Chine/Extraction">000B30</idno></publicationStmt><seriesStmt><idno type="ISSN">0953-4075</idno><title level="j" type="abbreviated">J. phys., B, At. mol. opt. phys. : (Print)</title><title level="j" type="main">Journal of physics. B. Atomic, molecular and optical physics : (Print)</title></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Empirical method</term><term>Hartree-Fock calculations</term><term>Hyperfine coupling constant</term><term>Hyperfine interactions</term><term>Hyperfine structure</term><term>Indium Atomic ions</term><term>Multiconfiguration approximation</term><term>Theoretical study</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Interaction hyperfine</term><term>Etude théorique</term><term>Méthode empirique</term><term>Approximation multiconfigurationnelle</term><term>Structure hyperfine</term><term>Constante couplage hyperfin</term><term>Indium Ion atomique</term><term>Calcul Hartree Fock</term><term>In ip 1</term><term>3210F</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">We present a theoretical investigation of the hyperfine structure of the 5s5d <sup>3</sup>D<sub>2</sub>-5s4f <sup>3</sup>F<sup>0</sup><sub>2,3</sub> transitions in In II. Earlier work has failed in determining hyperfine constants for the upper levels of these transitions. We show that this is due to strong off-diagonal hyperfine interaction, which not only changes the position of the individual hyperfine lines but also introduces large intensity redistributions among the different hyperfine levels. We present hyperfine dependent gf-values and show that off-diagonal hyperfine interaction reduces some of the gf-values by two orders of magnitude, while others are increased by up to more than a factor of 6. We also discuss the influence on the hyperfine structure of an accurate representation of the level-splitting of the 5s4f configuration. We show that the hyperfine interaction in <sup>3</sup>F<sup>0</sup><sub>3</sub> and <sup>1</sup>F<sup>0</sup><sub>3</sub> is very hard to determine accurately even in a large-scale calculation, and we derive a semi-empirical method for adjusting our results using an experimentally known, diagonal hyperfine constant for 5s4f <sup>1</sup>F<sup>0</sup><sub>3</sub>. The resulting theoretical synthetic spectra reproduce the experimental values to high accuracy and facilitate the identification of all observed lines.</div></front></TEI><inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0953-4075</s0></fA01><fA02 i1="01"><s0>JPAPEH</s0></fA02><fA03 i2="1"><s0>J. phys., B, At. mol. opt. phys. : (Print)</s0></fA03><fA05><s2>43</s2></fA05><fA06><s2>7</s2></fA06><fA08 i1="01" i2="1" l="ENG"><s1>Hyperfine induced intensity redistribution in In II</s1></fA08><fA09 i1="01" i2="1" l="ENG"><s1>High Precision Atomic Physics</s1></fA09><fA11 i1="01" i2="1"><s1>GRUMER (Jon)</s1></fA11><fA11 i1="02" i2="1"><s1>ANDERSSON (Martin)</s1></fA11><fA11 i1="03" i2="1"><s1>BRAGE (Tomas)</s1></fA11><fA12 i1="01" i2="1"><s1>HIBBERT (Alan)</s1><s9>ed.</s9></fA12><fA12 i1="02" i2="1"><s1>JOHNSON (Walter)</s1><s9>ed.</s9></fA12><fA12 i1="03" i2="1"><s1>WIESE (Wolfgang)</s1><s9>ed.</s9></fA12><fA14 i1="01"><s1>Department of Physics, Lund University</s1><s3>SWE</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ></fA14><fA14 i1="02"><s1>Shanghai EBIT Laboratory, Institute of Modern Physics, Fudan University</s1><s2>Shanghai</s2><s3>CHN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></fA14><fA14 i1="03"><s1>The Key Laboratory of Applied Ion Beam Physics, Ministry of Education</s1><s3>CHN</s3><sZ>2 aut.</sZ></fA14><fA20><s2>074012.1-074012.13</s2></fA20><fA21><s1>2010</s1></fA21><fA23 i1="01"><s0>ENG</s0></fA23><fA43 i1="01"><s1>INIST</s1><s2>577D</s2><s5>354000181966190120</s5></fA43><fA44><s0>0000</s0><s1>© 2010 INIST-CNRS. All rights reserved.</s1></fA44><fA45><s0>52 ref.</s0></fA45><fA47 i1="01" i2="1"><s0>10-0299665</s0></fA47><fA60><s1>P</s1></fA60><fA61><s0>A</s0></fA61><fA64 i1="01" i2="1"><s0>Journal of physics. B. Atomic, molecular and optical physics : (Print)</s0></fA64><fA66 i1="01"><s0>GBR</s0></fA66><fC01 i1="01" l="ENG"><s0>We present a theoretical investigation of the hyperfine structure of the 5s5d <sup>3</sup>D<sub>2</sub>-5s4f <sup>3</sup>F<sup>0</sup><sub>2,3</sub> transitions in In II. Earlier work has failed in determining hyperfine constants for the upper levels of these transitions. We show that this is due to strong off-diagonal hyperfine interaction, which not only changes the position of the individual hyperfine lines but also introduces large intensity redistributions among the different hyperfine levels. We present hyperfine dependent gf-values and show that off-diagonal hyperfine interaction reduces some of the gf-values by two orders of magnitude, while others are increased by up to more than a factor of 6. We also discuss the influence on the hyperfine structure of an accurate representation of the level-splitting of the 5s4f configuration. We show that the hyperfine interaction in <sup>3</sup>F<sup>0</sup><sub>3</sub> and <sup>1</sup>F<sup>0</sup><sub>3</sub> is very hard to determine accurately even in a large-scale calculation, and we derive a semi-empirical method for adjusting our results using an experimentally known, diagonal hyperfine constant for 5s4f <sup>1</sup>F<sup>0</sup><sub>3</sub>. 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