Ba+2 ion trapping using organic submonolayer for ultra-low background neutrinoless double beta detector

• DOI: 10.1038/s41467-022-35153-0
• Publication Date: 2022-12-14T10:04:31Z
• Authors: P. Herrero-Gómez; J. P. Calupitan; M. Ilyn; A. Berdonces-Layunta; T. Wang; D. G. de Oteyza; M. Corso; R. González-Moreno; I. Rivilla; B. Aparicio; A. I. Aranburu; Z. Freixa; F. Monrabal; F. P. Cossío; J. J. Gómez-Cadenas; C. Rogero; ; C. Adams; H. Almazán; V. Álvarez; L. Arazi; I. J. Arnquist; S. Ayet; C. D. R. Azevedo; K. Bailey; F. Ballester; J. M. Benlloch-Ro...; F. I. G. M. Borges; S. Bounasser; N. Byrnes; S. Cárcel; J. V. Carrión; S. Cebrián; E. Church; C. A. N. Conde; T. Contreras; A. A. Denisenko; E. Dey; G. Díaz; T. Dickel; J. Escada; R. Esteve; A. Fahs; R. Felkai; L. M. P. Fernandes; P. Ferrario; A. L. Ferreira; F. W. Foss; E. D. C. Freitas; Z. Freixa; J. Generowicz; A. Goldschmidt; R. González-Moreno; R. Guenette; J. Haefner; K. Hafidi; J. Hauptman; C. A. O. Henriques; J. A. Hernando Mo...; V. Herrero; J. Ho; P. Ho; Y. Ifergan; B. J. P. Jones; M. Kekic; L. Labarga; L. Larizgoitia; P. Lebrun; D. Lopez Gutierrez; N. López-March; R. Madigan; R. D. P. Mano; J. Martín-Albo; G. Martínez-Lema; M. Martínez-Vara; Z. E. Meziani; R. Miller; K. Mistry; C. M. B. Monteiro; F. J. Mora; J. Muñoz Vidal; K. Navarro; P. Novella; A. Nuñez; D. R. Nygren; E. Oblak; M. Odriozola-Gimeno; B. Palmeiro; A. Para; M. Querol; A. B. Redwine; J. Renner; L. Ripoll; J. Rodríguez; L. Rogers; B. Romeo; C. Romo-Luque; F. P. Santos; J. M. F. dos Santos; A. Simón; M. Sorel; C. Stanford; J. M. R. Teixeira; J. F. Toledo; J. Torrent; A. Usón; J. F. C. A. Veloso; T. T. Vuong; J. Waiton; J. T. White
• Keywords: Dication

If neutrinos are their own antiparticles the otherwise-forbidden nuclear reaction known as neutrinoless double beta decay can occur. The very long lifetime expected for these exceptional events makes its detection a daunting task. In order to conduct an almost background-free experiment, NEXT collaboration is investigating novel synthetic molecular sensors that may capture Ba dication produced in of certain Xe isotopes high-pressure gas experiment. use such detectors immobilized on surfaces must be explored ultra-dry environment xenon chamber. Here, using combination highly sensitive surface science techniques ultra-high vacuum, we demonstrate possibility employing so-called Fluorescent Bicolor Indicator component sensor. We unravel ion process indicators and explain origin emission fluorescence shift associated trapping.