Demonstration of Single-Barium-Ion Sensitivity for Neutrinoless Double-Beta Decay Using Single-Molecule Fluorescence Imaging
Journal Article
·
· Physical Review Letters
Here, 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.
- Research Organization:
- Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); Argonne National Laboratory (ANL), Argonne, IL (United States); Univ. of Texas, Arlington, TX (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), High Energy Physics (HEP); USDOE Office of Science (SC), Basic Energy Sciences (BES)
- Contributing Organization:
- NEXT Collaboration
- Grant/Contract Number:
- AC02-07CH11359; FG02-13ER42020; SC0017721; AC02-06CH11357
- OSTI ID:
- 1412510
- Alternate ID(s):
- OSTI ID: 1429570; OSTI ID: 1460742; OSTI ID: 1908628
- Report Number(s):
- FERMILAB-PUB-17-521-ND; arXiv:1711.04782; PRLTAO; 1636186
- Journal Information:
- Physical Review Letters, Vol. 120, Issue 13; ISSN 0031-9007
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 40 works
Citation information provided by
Web of Science
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