/ physics.ins-det arXiv:1711.04782


Demonstration of Single Barium Ion Sensitivity for Neutrinoless Double Beta Decay using Single Molecule Fluorescence Imaging


McDonald, A.D. (Texas U., Arlington) ; Jones, B.J.P. (Texas U., Arlington) ; Nygren, D.R. (Texas U., Arlington) ; Adams, C. (Harvard U.) ; Álvarez, V. (Valencia U., IFIC) ; Azevedo, C.D.R. (Aveiro U.) ; Benlloch-Rodríguez, J.M. (Valencia U., IFIC) ; Borges, F.I.G.M. (LIP, Coimbra) ; Botas, A. (Valencia U., IFIC) ; Cárcel, S. (Valencia U., IFIC) ; Carrión, J.V. (Valencia U., IFIC) ; Cebrián, S. (Zaragoza U.) ; Conde, C.A.N. (LIP, Coimbra) ; Díaz, J. (Valencia U., IFIC) ; Diesburg, M. (Fermilab) ; Escada, J. (LIP, Coimbra) ; Esteve, R. (Valencia, Polytechnic U.) ; Felkai, R. (Valencia U., IFIC) ; Fernandes, L.M.P. (Coimbra U.) ; Ferrario, P. (Valencia U., IFIC) ; Ferreira, A.L. (Aveiro U.) ; Freitas, E.D.C. (Coimbra U.) ; Goldschmidt, A. (LBNL, Berkeley) ; Gómez-Cadenas, J.J. (Valencia U., IFIC) ; González-Díaz, D. (Santiago de Compostela U., IGFAE) ; Gutiérrez, R.M. (Antonio Narino U.) ; Guenette, R. (Harvard U.) ; Hafidi, K. (Argonne (main)) ; Hauptman, J. (Iowa State U.) ; Henriques, C.A.O. (Coimbra U.) ; Hernandez, A.I. (Antonio Narino U.) ; Hernando Morata, J.A. (Santiago de Compostela U., IGFAE) ; Herrero, V. (Valencia, Polytechnic U.) ; Johnston, S. (Argonne (main)) ; Labarga, L. (Madrid, IFT) ; Laing, A. (Valencia U., IFIC) ; Lebrun, P. (Fermilab) ; Liubarsky, I. (Valencia U., IFIC) ; López-March, N. (Valencia U., IFIC) ; Losada, M. (Antonio Narino U.) ; Martín-Albo, J. (Harvard U.) ; Martínez-Lema, G. (Santiago de Compostela U., IGFAE) ; Martínez, A. (Valencia U., IFIC) ; Monrabal, F. (Texas U., Arlington) ; Monteiro, C.M.B. (Coimbra U.) ; Mora, F.J. (Valencia, Polytechnic U.) ; Moutinho, L.M. (Aveiro U.) ; Muñoz Vidal, J. (Valencia U., IFIC) ; Musti, M. (Valencia U., IFIC) ; Nebot-Guinot, M. (Valencia U., IFIC) ; Novella, P. (Valencia U., IFIC) ; Palmeiro, B. (Valencia U., IFIC) ; Para, A. (Fermilab) ; Pérez, J. (Valencia U., IFIC) ; Querol, M. (Valencia, Polytechnic U.) ; Repond, J. (Argonne (main)) ; Renner, J. (Valencia U., IFIC) ; Riordan, S. (Argonne (main)) ; Ripoll, L. (Girona U.) ; Rodríguez, J. (Valencia U., IFIC) ; Rogers, L. (Texas U., Arlington) ; Santos, F.P. (LIP, Coimbra) ; dos Santos, J.M.F. (Coimbra U.) ; Simón, A. (Valencia U., IFIC) ; Sofka, C. (Valencia U., IFIC) ; Sorel, M. (Valencia U., IFIC) ; Stiegler, T. (Texas A-M) ; Toledo, J.F. (Valencia, Polytechnic U.) ; Torrent, J. (Valencia U., IFIC) ; Tsamalaidze, Z. (Dubna, JINR) ; Veloso, J.F.C.A. (Aveiro U.) ; Webb, R. (Texas A-M) ; White, J.T. (Texas A-M) ; Yahlali, N. (Valencia U., IFIC)

Published in: Phys.Rev.Lett.

Abstract: A new method to tag the barium daughter in the double beta decay of $^{136}$Xe is reported. Using the technique of single molecule fluorescent imaging (SMFI), individual barium dication (Ba$^{++}$) resolution at a transparent scanning surface has been demonstrated. A single-step photo-bleach confirms the single ion interpretation. Individual ions are localized with super-resolution ($\sim$2~nm), and detected with a statistical significance of 12.9~$\sigma$ over backgrounds. This lays the foundation for a new and potentially background-free neutrinoless double beta decay technology, based on SMFI coupled to high pressure xenon gas time projection chambers.

Web-Page: http://inspirehep.net/record/1636186/files/figures_BaImage.png; http://inspirehep.net/record/1636186/files/figures_Ba-FOV-V3.png; http://inspirehep.net/record/1636186/files/figures_Optics.png; http://inspirehep.net/record/1636186/files/figures_Ba-Photobleach12.png; http://inspirehep.net/record/1636186/files/figures_LegoPlots-fixed.png; http://inspirehep.net/record/1636186/files/arXiv:1711.04782.pdf


Note: Submitted to PRL

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