Universe, Volume 6, Issue 10 (October 2020) – 32 articles
Cover Story (view full-size image): The observation of the neutrinoless double beta decay would help to shed light on some neutrino properties like absolute mass or its autoconjugation. Being a very rare nuclear process, experiments intended to detect this decay must be operated deep underground and in ultra-low background conditions. Long-lived radioisotopes produced by the previous exposure of materials to cosmic rays on the Earth’s surface or even underground can become problematic for the required sensitivity. Here, the studies developed to quantify and reduce the activation yields in detectors and materials used in the set-up of these experiments will be reviewed, considering target materials like germanium, tellurium, and xenon together with other ones commonly used like copper, lead, stainless steel, or argon. Vew this paper.
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