Zuber, Kai (2001) COBRA — double beta decay searches using CdTe detectors. Physics Letters B, 519 (1-2). pp. 1-7. ISSN 0370-2693

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Abstract

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.

Item Type:	Article
Additional Information:	Original proposal for a new approach to search for double beta decay by using CdZnTe detectors. This is a new innovative idea that I'm about to convert into reality. An international collaboration (COBRA) has been formed under my leadership and some world-best results have already been obtained.
Schools and Departments:	School of Mathematical and Physical Sciences > Physics and Astronomy
Subjects:	Q Science > QC Physics
Depositing User:	EPrints Services
Date Deposited:	06 Feb 2012 21:25
Last Modified:	23 Jul 2012 13:57
URI:	http://srodev.sussex.ac.uk/id/eprint/31209

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