Clockwork seesaw mechanisms

We propose new mechanisms for small neutrino masses based on clockwork mechanism. The Standard Model neutrinos and lepton number violating operators communicate through the zero mode of clockwork gears, one of the two couplings of the zero mode is exponentially suppressed by clockwork mechanism. Inc...

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Main Authors: Seong Chan Park, Chang Sub Shin
Format: Article
Language:English
Published: Elsevier 2018-01-01
Series:Physics Letters B
Online Access:http://www.sciencedirect.com/science/article/pii/S0370269317309498
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spelling doaj-b8d1bc5a872c4d12b81eebe3f767a22c2020-11-24T23:24:27ZengElsevierPhysics Letters B0370-26931873-24452018-01-01776C22222610.1016/j.physletb.2017.11.057Clockwork seesaw mechanismsSeong Chan Park0Chang Sub Shin1Department of Physics and IPAP, Yonsei University, Seoul 03722, Republic of KoreaAsia Pacific Center for Theoretical Physics, Pohang 37673, Republic of KoreaWe propose new mechanisms for small neutrino masses based on clockwork mechanism. The Standard Model neutrinos and lepton number violating operators communicate through the zero mode of clockwork gears, one of the two couplings of the zero mode is exponentially suppressed by clockwork mechanism. Including all known examples for the clockwork realization of the neutrino masses, different types of models are realized depending on the profile and chirality of the zero mode fermion. Each type of realization would have phenomenologically distinctive features with the accompanying heavy neutrinos.http://www.sciencedirect.com/science/article/pii/S0370269317309498
collection DOAJ
language English
format Article
sources DOAJ
author Seong Chan Park
Chang Sub Shin
spellingShingle Seong Chan Park
Chang Sub Shin
Clockwork seesaw mechanisms
Physics Letters B
author_facet Seong Chan Park
Chang Sub Shin
author_sort Seong Chan Park
title Clockwork seesaw mechanisms
title_short Clockwork seesaw mechanisms
title_full Clockwork seesaw mechanisms
title_fullStr Clockwork seesaw mechanisms
title_full_unstemmed Clockwork seesaw mechanisms
title_sort clockwork seesaw mechanisms
publisher Elsevier
series Physics Letters B
issn 0370-2693
1873-2445
publishDate 2018-01-01
description We propose new mechanisms for small neutrino masses based on clockwork mechanism. The Standard Model neutrinos and lepton number violating operators communicate through the zero mode of clockwork gears, one of the two couplings of the zero mode is exponentially suppressed by clockwork mechanism. Including all known examples for the clockwork realization of the neutrino masses, different types of models are realized depending on the profile and chirality of the zero mode fermion. Each type of realization would have phenomenologically distinctive features with the accompanying heavy neutrinos.
url http://www.sciencedirect.com/science/article/pii/S0370269317309498
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