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Tritium beta decay with additional emission of new light bosons

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Autor(es):
Arcadi, Giorgio ; Heeck, Julian ; Heizmann, Florian ; Mertens, Susanne ; Queiroz, Farinaldo S. ; Rodejohann, Werner ; Slezak, Martin ; Valerius, Kathrin
Número total de Autores: 8
Tipo de documento: Artigo Científico
Fonte: Journal of High Energy Physics; v. N/A, n. 1, p. 27-pg., 2019-01-28.
Resumo

We consider tritium beta decay with additional emission of light pseudoscalar or vector bosons coupling to electrons or neutrinos. The electron energy spectrum for all cases is evaluated and shown to be well estimated by approximated analytical expressions. We give the statistical sensitivity of Katrin to the mass and coupling of the new bosons, both in the standard setup of the experiment as well as for future modifications in which the full energy spectrum of tritium decay is accessible. (AU)

Processo FAPESP: 16/01343-7 - ICTP Instituto Sul-Americano para Física Fundamental: um centro regional para física teórica
Beneficiário:Nathan Jacob Berkovits
Modalidade de apoio: Auxílio à Pesquisa - Projetos Especiais