PoS - Proceedings of Science
Volume 406 - Corfu Summer Institute 2021 "School and Workshops on Elementary Particle Physics and Gravity" (CORFU2021) - Workshop on Connecting Insights in Fundamental Physics: Standard Model and Beyond
The neutrino problem in string models
C. Kokorelis
Full text: pdf
Published on: November 23, 2022
Abstract
At the standard model of electroweak interactions neutrinos are massless and
mixing among the neutrinos in different families is not predicted.
Also the standard model does not include gravity.
I discuss the first appearance of sterile neutrinos in D-brane models from string theories.
In particular, I focus on a 5-stack intersecting D6-brane string model from IIA orientifolds. The sterile neutrinos couple to the right handed neutrino and the left handed neutrino of a single family.
The existence of sterile neutrinos is independent of string RR tadpole cancellation conditions satisfaction.
DOI: https://doi.org/10.22323/1.406.0126
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