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Pinning down the mechanism of neutrinoless double beta decay with measurements in different nuclei

Deppisch, F; Päs, H; (2007) Pinning down the mechanism of neutrinoless double beta decay with measurements in different nuclei. Physical Review Letters , 98 (23) , Article 232501. 10.1103/PhysRevLett.98.232501. Green open access

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Abstract

A measurement of neutrinoless double beta decay in one isotope does not allow to determine the underlying physics mechanism. We discuss the discrimination of mechanisms for neutrinoless double beta decay by comparing ratios of half life measurements for different isotopes. Six prominent examples for specific new physics contributions to neutrinoless double beta decay are analyzed. We find that the change in corresponding ratios of half lives varies from 60% for supersymmetric models up to a factor of 5-20 for extra-dimensional and left-right-symmetric mechanisms.

Type: Article
Title: Pinning down the mechanism of neutrinoless double beta decay with measurements in different nuclei
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/PhysRevLett.98.232501
Publisher version: http://dx.doi.org/10.1103/PhysRevLett.98.232501
Language: English
Additional information: © 2007 The American Physical Society
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy
URI: https://discovery.ucl.ac.uk/id/eprint/791929
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