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Spectroscopy of Ba and Ba+ deposits in solid xenon for barium tagging in nEXO

  • B. Mong
  • , S. Cook
  • , T. Walton
  • , C. Chambers
  • , A. Craycraft
  • , C. Benitez-Medina
  • , K. Hall
  • , W. Fairbank
  • , J. B. Albert
  • , D. J. Auty
  • , P. S. Barbeau
  • , V. Basque
  • , D. Beck
  • , M. Breidenbach
  • , T. Brunner
  • , G. F. Cao
  • , B. Cleveland
  • , M. Coon
  • , T. Daniels
  • , S. J. Daugherty
  • R. Devoe, T. Didberidze, J. Dilling, M. J. Dolinski, M. Dunford, L. Fabris, J. Farine, W. Feldmeier, P. Fierlinger, D. Fudenberg, G. Giroux, R. Gornea, K. Graham, G. Gratta, M. Heffner, M. Hughes, X. S. Jiang, T. N. Johnson, S. Johnston, A. Karelin, L. J. Kaufman, R. Killick, T. Koffas, S. Kravitz, R. Krücken, A. Kuchenkov, K. S. Kumar, D. S. Leonard, C. Licciardi, Y. H. Lin, J. Ling, R. Maclellan, M. G. Marino, D. Moore, A. Odian, I. Ostrovskiy, A. Piepke, A. Pocar, F. Retiere, P. C. Rowson, M. P. Rozo, A. Schubert, D. Sinclair, E. Smith, V. Stekhanov, M. Tarka, T. Tolba, K. Twelker, J. L. Vuilleumier, J. Walton, M. Weber, L. J. Wen, U. Wichoski, L. Yang, Y. R. Yen, Y. B. Zhao

Producción científica: Articlerevisión exhaustiva

40 Citas (Scopus)

Resumen

Progress on a method of barium tagging for the nEXO double beta decay experiment is reported. Absorption and emission spectra for deposits of barium atoms and ions in solid xenon matrices are presented. Excitation spectra for prominent emission lines, temperature dependence, and bleaching of the fluorescence reveal the existence of different matrix sites. A regular series of sharp lines observed in Ba+ deposits is identified with some type of barium hydride molecule. Lower limits for the fluorescence quantum efficiency of the principal Ba emission transition are reported. Under current conditions, an image of fewer than or equal to 104 Ba atoms can be obtained. Prospects for imaging single Ba atoms in solid xenon are discussed.

Idioma originalEnglish
Número de artículo022505
PublicaciónPhysical Review A - Atomic, Molecular, and Optical Physics
Volumen91
N.º2
DOI
EstadoPublished - feb 10 2015

Nota bibliográfica

Publisher Copyright:
© 2015 American Physical Society.

Financiación

FinanciadoresNúmero del financiador
National Science Foundation (NSF)PHY-1132428
Office of Science Programs
Michigan State University-U.S. Department of Energy (MSU-DOE) Plant Research Laboratory
Directorate for Mathematical and Physical Sciences1132428

    ASJC Scopus subject areas

    • Atomic and Molecular Physics, and Optics

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