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Sökning: onr:"swepub:oai:DiVA.org:mau-2690" > The KLM plus KLN Au...

  • Inoyatov, A. KhLaboratory of Nuclear Problems, JINR, Moscow Region, Dubna, Russian Federation; Institute of Applied Physics, National University, Tashkent, Uzbekistan (författare)

The KLM plus KLN Auger electron spectrum of rubidium in different matrices

  • Artikel/kapitelEngelska2017

Förlag, utgivningsår, omfång ...

  • 2017-07-03
  • Institute of Physics Publishing (IOPP),2017
  • printrdacarrier

Nummerbeteckningar

  • LIBRIS-ID:oai:DiVA.org:mau-2690
  • https://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-2690URI
  • https://doi.org/10.1088/1361-6455/aa7990DOI

Kompletterande språkuppgifter

  • Språk:engelska
  • Sammanfattning på:engelska

Ingår i deldatabas

Klassifikation

  • Ämneskategori:ref swepub-contenttype
  • Ämneskategori:art swepub-publicationtype

Anmärkningar

  • The KLM + KLN Auger electron spectrum of rubidium (Z = 37) emitted in the electron capture decay of radioactive Sr-83 in a polycrystalline platinum matrix and also Sr-85 in polycrystalline platinum and carbon matrices as well as in an evaporated layer onto a carbon backing were experimentally studied in detail for the first time using a combined electrostatic electron spectrometer. Energies, relative intensities, and natural widths of fifteen basic spectrum components were determined and compared with both theoretical predictions and experimental data for krypton (Z = 36). Relative spectrum line energies obtained from the semi-empirical calculations in intermediate coupling scheme were found to agree within 3 sigma with the measured values while disagreement with experiment exceeding 3s was often observed for values obtained from our multiconfiguration Dirac-Hartree-Fock calculations. The absolute energy of the dominant spectrum component given by the semi-empirical approach agrees within 1 sigma with the measured value. Shifts of +(0.2 +/- 0.2) and -(1.9 +/- 0.2) eV were measured for the dominant KLM spectrum components between the 85Sr sources prepared by vacuum evaporation on and implanted into the carbon foil, respectively, relative to 85Sr implanted into the platinum foil. A value of (713 +/- 2) eV was determined for the energy difference of the dominant components of the KLM + KLN Auger electron spectra of rubidium and krypton generated in the polycrystalline platinum matrix. From the detailed analysis of the measured data and available theoretical results, the general conclusion can be drawn that the proper description of the KLM + KLN Auger electron spectrum for Z around 37 should still be based on the intermediate coupling of angular momenta taking into account relativistic effects.

Ämnesord och genrebeteckningar

  • Rb-85
  • Sr-85
  • KLM-
  • KLN-Auger transitions
  • atomic environment
  • chemical shift
  • multiconfiguration Dirac-Hartree-Fock calculations

Biuppslag (personer, institutioner, konferenser, titlar ...)

  • Kovalik, A.Laboratory of Nuclear Problems, JINR, Moscow Region, Dubna, Russian Federation; Nuclear Physics Institute of the ASCR, Řež near Prague, CZ-25068, Czech Republic (författare)
  • Perevoshchikov, L. L.Laboratory of Nuclear Problems, JINR, Moscow Region, Dubna, Russian Federation (författare)
  • Filosofov, D. V.Laboratory of Nuclear Problems, JINR, Moscow Region, Dubna, Russian Federation (författare)
  • Venos, D.Nuclear Physics Institute of the ASCR, Řež near Prague, CZ-25068, Czech Republic (författare)
  • Lee, B. Q.Department of Nuclear Physics, RSPE, Australian National University, Canberra, 2601, ACT, Australia (författare)
  • Ekman, JörgenMalmö högskola,Fakulteten för teknik och samhälle (TS)(Swepub:mau)tsjoek (författare)
  • Baimukhanova, A.Laboratory of Nuclear Problems, JINR, Moscow Region, Dubna, Russian Federation; Institute of Nuclear Physics of the Republic of Kazakhstan, Ibragimov St. 1, Almaty, 050032, Kazakhstan (författare)
  • Laboratory of Nuclear Problems, JINR, Moscow Region, Dubna, Russian Federation; Institute of Applied Physics, National University, Tashkent, UzbekistanLaboratory of Nuclear Problems, JINR, Moscow Region, Dubna, Russian Federation; Nuclear Physics Institute of the ASCR, Řež near Prague, CZ-25068, Czech Republic (creator_code:org_t)

Sammanhörande titlar

  • Ingår i:Journal of Physics B: Institute of Physics Publishing (IOPP)50:150953-40751361-6455

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