J/ApJS/234/27ivo://CDS.VizieR/J/ApJS/234/27doi:10.26093/cds/vizier.22340027CDSShah C.Amaro P.Steinbrugge R.Bernitt S.Lopez-Urrutia J.R.C.,Tashenov S.2018-10-01T13:20:10Z2018-08-24T14:31:25ZCDS support team

CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France

cds-question@unistra.fratomic-physicspolarimetryWe present a systematic measurement of the X-ray emission asymmetries in the K-shell dielectronic, trielectronic, and quadruelectronic recombination of free electrons into highly charged ions. Iron ions in He-like through O-like charge states were produced in an electron beam ion trap, and the electron-ion collision energy was scanned over the recombination resonances. Two identical X-ray detectors mounted head-on and side-on with respect to the electron beam propagation recorded X-rays emitted in the decay of resonantly populated states. The degrees of linear polarization of X-rays inferred from observed emission asymmetries benchmark distorted-wave predictions of the Flexible Atomic Code for several dielectronic recombination satellite lines. The present method also demonstrates its applicability for diagnostics of energy and direction of electron beams inside hot anisotropic plasmas. Both experimental and theoretical data can be used for modeling of hot astrophysical and fusion plasmas.2018ApJS..234...27Shttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJS/234/27CatalogResearchIsServedByTAP VizieR generic servicehttps://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJS/234/27https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJS/234/27http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJS/234/27https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJS/234/27https://vizier.iucaa.in/viz-bin/votable?-source=J/ApJS/234/27http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/ApJS/234/27GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapdefaultJ/ApJS/234/27/table2Measured emission asymmetry R between perpendicular and parallel observation of X-rays emitted due to dielectronic, trielectronic, and quadruelectronic recombinationf_RFlag on R (2)meta.codecharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintLabel[1/39]? Label index (1)meta.bib.figintnullableIonInitial ionic charge state before the recombinationphys.atmol.ionStagecharRPOrder of the recombination processes (G1)meta.codecharIntStateIntermediate excited state configuration of the ion (G2)phys.atmol.configurationEres[4554.4/5080.1] Theorical resonance energyeVstat.fit.omc;phys.energyfloatEres2[4604.2/5081.1]? Experimental resonance energy from the fits (except flagged)eVstat.fit.omc;phys.energyfloatnullablee_Eres2[0.1/1.8]? 1{sigma} uncertaintyeVstat.errorfloatnullablef_Eres2Flag on Eres2 (2)meta.codecharR[-0.5/0.6]? Experimental emission asymmetry (3)meta.notefloatnullablee_R[0.02/0.7]? 1{sigma} uncertainty on Rstat.errorfloatnullableR2[-0.7/0.6]? Theoretical emission asymmetry (3)meta.notefloatnullableJ/ApJS/234/27/table4Fe XXV theoretical data. Initial (ground) state: [1s^2^]_0_recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordinti[4/50] Energy level indexmeta.idintRPOrder of the recombination processes (G1)meta.codecharIntStateIntermediate excited state configuration of the ion (G2)phys.atmol.configurationEres[4554.4/5173.8] Resonance energyeVstat.fit.omc;phys.energyfloatStrengthTotal DR strengthcm**2.eVspect.line.widthcharA2[-1.2/0.7] Alignment parameterphys.atmolfloatFinStateFinal state configurationphys.atmol.configurationExray[6205.6/6781.9] X-ray energyeVem.energyfloatArRadiative decay ratess**-1phys.atmol.transProbcharPol[-1/0.7] Degree of linear polarization of DR X-raysphys.polarization.linearfloatJ/ApJS/234/27/table6Fe XXIII theoretical data. Initial (ground) state: [1s^2^2s]_1/2_recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordinti[4/50] Energy level indexmeta.idintRPOrder of the recombination processes (G1)meta.codecharIntStateIntermediate excited state configuration of the ion (G2)phys.atmol.configurationEres[4554.4/5173.8] Resonance energyeVstat.fit.omc;phys.energyfloatStrengthTotal DR strengthcm**2.eVspect.line.widthcharA2[-1.2/0.7] Alignment parameterphys.atmolfloatFinStateFinal state configurationphys.atmol.configurationExray[6205.6/6781.9] X-ray energyeVem.energyfloatArRadiative decay ratess**-1phys.atmol.transProbcharPol[-1/0.7] Degree of linear polarization of DR X-raysphys.polarization.linearfloatJ/ApJS/234/27/table7Fe XXII theoretical data. Initial (ground) state: [1s^2^2s^2^2p_1/2_]_1/2_recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordinti[4/50] Energy level indexmeta.idintRPOrder of the recombination processes (G1)meta.codecharIntStateIntermediate excited state configuration of the ion (G2)phys.atmol.configurationEres[4554.4/5173.8] Resonance energyeVstat.fit.omc;phys.energyfloatStrengthTotal DR strengthcm**2.eVspect.line.widthcharA2[-1.2/0.7] Alignment parameterphys.atmolfloatFinStateFinal state configurationphys.atmol.configurationExray[6205.6/6781.9] X-ray energyeVem.energyfloatArRadiative decay ratess**-1phys.atmol.transProbcharPol[-1/0.7] Degree of linear polarization of DR X-raysphys.polarization.linearfloatJ/ApJS/234/27/table8Fe XXI theoretical data. Initial (ground) state: [1s^2^2s^2^2p_1/2_^2^]_0_recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordinti[4/50] Energy level indexmeta.idintRPOrder of the recombination processes (G1)meta.codecharIntStateIntermediate excited state configuration of the ion (G2)phys.atmol.configurationEres[4554.4/5173.8] Resonance energyeVstat.fit.omc;phys.energyfloatStrengthTotal DR strengthcm**2.eVspect.line.widthcharA2[-1.2/0.7] Alignment parameterphys.atmolfloatFinStateFinal state configurationphys.atmol.configurationExray[6205.6/6781.9] X-ray energyeVem.energyfloatArRadiative decay ratess**-1phys.atmol.transProbcharPol[-1/0.7] Degree of linear polarization of DR X-raysphys.polarization.linearfloatJ/ApJS/234/27/table9Fe XX theoretical data. Initial (ground) state: [1s^2^2s^2^2p_1/2_^2^2p_3/2_]_3/2_recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordinti[4/50] Energy level indexmeta.idintRPOrder of the recombination processes (G1)meta.codecharIntStateIntermediate excited state configuration of the ion (G2)phys.atmol.configurationEres[4554.4/5173.8] Resonance energyeVstat.fit.omc;phys.energyfloatStrengthTotal DR strengthcm**2.eVspect.line.widthcharA2[-1.2/0.7] Alignment parameterphys.atmolfloatFinStateFinal state configurationphys.atmol.configurationExray[6205.6/6781.9] X-ray energyeVem.energyfloatArRadiative decay ratess**-1phys.atmol.transProbcharPol[-1/0.7] Degree of linear polarization of DR X-raysphys.polarization.linearfloatJ/ApJS/234/27/table10Fe XIX theoretical data. Initial (ground) state: [1s^2^2s^2^2p_1/2_^2^2p_3/2_^2^]_2_recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordinti[4/50] Energy level indexmeta.idintRPOrder of the recombination processes (G1)meta.codecharIntStateIntermediate excited state configuration of the ion (G2)phys.atmol.configurationEres[4554.4/5173.8] Resonance energyeVstat.fit.omc;phys.energyfloatStrengthTotal DR strengthcm**2.eVspect.line.widthcharA2[-1.2/0.7] Alignment parameterphys.atmolfloatFinStateFinal state configurationphys.atmol.configurationExray[6205.6/6781.9] X-ray energyeVem.energyfloatArRadiative decay ratess**-1phys.atmol.transProbcharPol[-1/0.7] Degree of linear polarization of DR X-raysphys.polarization.linearfloatJ/ApJS/234/27/table5Fe XXIV theoretical data. Initial (ground) state: [1s^2^2s]_1/2_recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordinti[4/50] Energy level indexmeta.idintRPOrder of the recombination processes (G1)meta.codecharIntStateIntermediate excited state configuration of the ion (G2)phys.atmol.configurationEres[4554.4/5173.8] Resonance energyeVstat.fit.omc;phys.energyfloatStrengthTotal DR strengthcm**2.eVspect.line.widthcharA2[-1.2/0.7] Alignment parameterphys.atmolfloatFinStateFinal state configurationphys.atmol.configurationExray[6205.6/6781.9] X-ray energyeVem.energyfloatArRadiative decay ratess**-1phys.atmol.transProbcharPol[-1/0.7] Degree of linear polarization of DR X-raysphys.polarization.linearfloat