Search for Heavy Neutral Leptons at Belle and Belle II

Sumitted to PubDB: 2019-08-20

Category: Talk, Visibility: Public

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Authors	Petar Rados
Date	Aug. 8, 2019
Belle II Number	BELLE2-TALK-CONF-2019-102
Abstract	A mechanism beyond the Standard Model is needed to explain neutrino masses. One possibility is the addition of a heavy right-handed neutrino, which may also have a Majorana mass, that can naturally explain the smallness of the observed neutrino masses via the so-called "see saw" mechanism. In this talk I present a search performed by Belle for a heavy neutrino produced in B-meson decays. I also provide an overview of the prospects for constraining the tau neutrino mixing at both Belle and Belle II.
Conference	Rencontres du Vietnam - 3 Neutrinos and beyond