@article{98fd602d39b84f8fb8f56a591f1b16fd,
title = "Results from a calibration of XENON100 using a source of dissolved radon-220",
abstract = "A Rn220 source is deployed on the XENON100 dark matter detector in order to address the challenges in calibration of tonne-scale liquid noble element detectors. We show that the Pb212 beta emission can be used for low-energy electronic recoil calibration in searches for dark matter. The isotope spreads throughout the entire active region of the detector, and its activity naturally decays below background level within a week after the source is closed. We find no increase in the activity of the troublesome Rn222 background after calibration. Alpha emitters are also distributed throughout the detector and facilitate calibration of its response to Rn222. Using the delayed coincidence of Rn220-Po216, we map for the first time the convective motion of particles in the XENON100 detector. Additionally, we make a competitive measurement of the half-life of Po212, t1/2=(293.9±(1.0)stat±(0.6)sys) ns.",
author = "{(XENON Collaboration)} and E. Aprile and J. Aalbers and F. Agostini and M. Alfonsi and Amaro, {F. D.} and M. Anthony and F. Arneodo and P. Barrow and L. Baudis and B. Bauermeister and Benabderrahmane, {M. L.} and T. Berger and Breur, {P. A.} and A. Brown and E. Brown and S. Bruenner and G. Bruno and R. Budnik and L. B{\"u}tikofer and J. Calv{\'e}n and Cardoso, {J. M.R.} and M. Cervantes and D. Cichon and D. Coderre and Colijn, {A. P.} and J. Conrad and Cussonneau, {J. P.} and Decowski, {M. P.} and {De Perio}, P. and {Di Gangi}, P. and {Di Giovanni}, A. and S. Diglio and E. Duchovni and G. Eurin and J. Fei and Ferella, {A. D.} and A. Fieguth and D. Franco and W. Fulgione and {Gallo Rosso}, A. and M. Galloway and F. Gao and M. Garbini and C. Geis and Goetzke, {L. W.} and L. Grandi and Z. Greene and C. Grignon and C. Hasterok and E. Hogenbirk",
note = "Funding Information: We gratefully acknowledge support from the National Science Foundation, Swiss National Science Foundation, Deutsche Forschungsgemeinschaft, Max Planck Gesellschaft, Foundation for Fundamental Research on Matter, Weizmann Institute of Science, I-CORE, Initial Training Network Invisibles (Marie Curie Actions, PITNGA-2011-289442), Fundacao para a Ciencia e a Tecnologia, Region des Pays de la Loire, Knut and Alice Wallenberg Foundation, and Istituto Nazionale di Fisica Nucleare. Publisher Copyright: {\textcopyright} 2017 American Physical Society.",
year = "2017",
month = apr,
day = "1",
doi = "10.1103/PhysRevD.95.072008",
language = "English (US)",
volume = "95",
journal = "Physical Review D",
issn = "2470-0010",
publisher = "American Physical Society",
number = "7",
}