COBRA — double beta decay searches using CdTe detectors
By K. Zuber. 2001
143 citations recorded by the source corpus.
A new approach (called COBRA) for investigating double beta decay using CdTe semiconductor detectors is proposed. This will allow simultaneous measurements of 5β−β−- and 4β+β+-emitters at once. Half-life limits for neutrinoless double beta decay of 116Cd and 130Te can be improved by more than one order of magnitude and sensitivities on the effective Majorana neutrino mass of less than 1 eV can be obtained. Furthermore, for the first time a realistic chance of observing double electron capture processes exists. Additional searches for rare processes like the 4-fold forbidden 113Cd β-decay, the electron capture of 123Te and dark matter detection can be performed. The achievable limits are evaluated for 10 kg of such detectors and can be scaled accordingly towards higher masses because of the modular design of the proposed experiment.
Subfields: Electrical and Electronic Engineering, Nuclear and High Energy Physics, Radiation
View Paper: https://www.semanticscholar.org/paper/08358c8a94253b25a3e4cf62336ac4231428f517
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In Electrical and Electronic Engineering
In Nuclear and High Energy Physics
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Citations in the corpus
- Double Beta Decay, Majorana Neutrinos, and Neutrino Mass (2007, background): “The energy resolutions of the COBRA (∼55 keV) and CUORE (∼5 keV) experiments are larger than or comparable to the uncertainty in the Q-values (Audi et al., 2003; Redshaw et al., 2007) for their chosen isotopes (4 keV for 116Cd and 2 keV for 130Te).”