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Exotic neutrinoless double beta decay with Majoron-like emission

Deppisch, FF; (2019) Exotic neutrinoless double beta decay with Majoron-like emission. In: Proceedings of the Workshop on Calculation of Double-beta-decay Matrix Elements (MEDEX '19). AIP: Prague, Czechia. Green open access

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Abstract

We discuss a novel mode of neutrinoless double-β decay with emission of a light Majoron-like scalar particle φ which couples via an effective 7-dimensional operator with a (V + A) lepton current and (V ± A) quark currents leading to a long-range contribution. Future double-β decay searches are sensitive to scales of the order ΛNP ≈ 1 TeV for the effective operator. In a left-right symmetric model, this mode can probe right-handed W boson masses up to 25 TeV.

Type: Proceedings paper
Title: Exotic neutrinoless double beta decay with Majoron-like emission
Event: Workshop on Calculation of Double-beta-decay Matrix Elements (MEDEX '19)
Open access status: An open access version is available from UCL Discovery
DOI: 10.1063/1.5130967
Publisher version: https://doi.org/10.1063/1.5130967
Language: English
Additional information: This version is the version of record. For information on re-use, please refer to the publisher’s terms and conditions.
UCL classification: UCL
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-pp.ucl.ac.uk/id/eprint/10086633
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