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

Publication ,  Journal Article
Mong, B; Cook, S; Walton, T; Chambers, C; Craycraft, A; Benitez-Medina, C; Hall, K; Fairbank, W; Albert, JB; Auty, DJ; Barbeau, PS; Basque, V ...
Published in: Physical Review A - Atomic, Molecular, and Optical Physics
February 10, 2015

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.

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Published In

Physical Review A - Atomic, Molecular, and Optical Physics

DOI

EISSN

1094-1622

ISSN

1050-2947

Publication Date

February 10, 2015

Volume

91

Issue

2

Related Subject Headings

  • General Physics
  • 03 Chemical Sciences
  • 02 Physical Sciences
  • 01 Mathematical Sciences
 

Citation

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Mong, B., Cook, S., Walton, T., Chambers, C., Craycraft, A., Benitez-Medina, C., … Zhao, Y. B. (2015). Spectroscopy of Ba and Ba+ deposits in solid xenon for barium tagging in nEXO. Physical Review A - Atomic, Molecular, and Optical Physics, 91(2). https://doi.org/10.1103/PhysRevA.91.022505
Mong, B., S. Cook, T. Walton, C. Chambers, A. Craycraft, C. Benitez-Medina, K. Hall, et al. “Spectroscopy of Ba and Ba+ deposits in solid xenon for barium tagging in nEXO.” Physical Review A - Atomic, Molecular, and Optical Physics 91, no. 2 (February 10, 2015). https://doi.org/10.1103/PhysRevA.91.022505.
Mong B, Cook S, Walton T, Chambers C, Craycraft A, Benitez-Medina C, et al. Spectroscopy of Ba and Ba+ deposits in solid xenon for barium tagging in nEXO. Physical Review A - Atomic, Molecular, and Optical Physics. 2015 Feb 10;91(2).
Mong, B., et al. “Spectroscopy of Ba and Ba+ deposits in solid xenon for barium tagging in nEXO.” Physical Review A - Atomic, Molecular, and Optical Physics, vol. 91, no. 2, Feb. 2015. Scopus, doi:10.1103/PhysRevA.91.022505.
Mong B, Cook S, Walton T, Chambers C, Craycraft A, Benitez-Medina C, Hall K, Fairbank W, Albert JB, Auty DJ, Barbeau PS, Basque V, Beck D, Breidenbach M, Brunner T, Cao GF, Cleveland B, Coon M, Daniels T, Daugherty SJ, Devoe R, Didberidze T, Dilling J, Dolinski MJ, Dunford M, Fabris L, Farine J, Feldmeier W, Fierlinger P, Fudenberg D, Giroux G, Gornea R, Graham K, Gratta G, Heffner M, Hughes M, Jiang XS, Johnson TN, Johnston S, Karelin A, Kaufman LJ, Killick R, Koffas T, Kravitz S, Krücken R, Kuchenkov A, Kumar KS, Leonard DS, Licciardi C, Lin YH, Ling J, Maclellan R, Marino MG, Moore D, Odian A, Ostrovskiy I, Piepke A, Pocar A, Retiere F, Rowson PC, Rozo MP, Schubert A, Sinclair D, Smith E, Stekhanov V, Tarka M, Tolba T, Twelker K, Vuilleumier JL, Walton J, Weber M, Wen LJ, Wichoski U, Yang L, Yen YR, Zhao YB. Spectroscopy of Ba and Ba+ deposits in solid xenon for barium tagging in nEXO. Physical Review A - Atomic, Molecular, and Optical Physics. 2015 Feb 10;91(2).

Published In

Physical Review A - Atomic, Molecular, and Optical Physics

DOI

EISSN

1094-1622

ISSN

1050-2947

Publication Date

February 10, 2015

Volume

91

Issue

2

Related Subject Headings

  • General Physics
  • 03 Chemical Sciences
  • 02 Physical Sciences
  • 01 Mathematical Sciences