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Flavor symmetries at the electroweak scale and their consequences

Grant number: 13/26371-5
Support type:Scholarships abroad - Research
Effective date (Start): October 01, 2014
Effective date (End): September 25, 2015
Field of knowledge:Physical Sciences and Mathematics - Physics - Elementary Particle Physics and Fields
Principal researcher:Celso Chikahiro Nishi
Grantee:Celso Chikahiro Nishi
Host: Rabindra Nath Mohapatra
Home Institution: Centro de Matemática, Computação e Cognição (CMCC). Universidade Federal do ABC (UFABC). Ministério da Educação (Brasil). Santo André , SP, Brazil
Research place: University of Maryland, College Park, United States  

Abstract

New ingredients are available to understand the subatomic world: the last mixing angle $\theta{13}$ of the leptonic sector was measured and a boson with all characteristics of the Higgs boson have been observed at the LHC. How to use these discoveries to decipher what lies beyond the Standard Model of Particle Physics (MP) is one of the biggest challenges of these times. In this project, we aim to investigate the existence of flavor symmetries that govern the flavor structure of leptons and its consequences. Based on one recent proposal, symmetries containing generalized CP symmetries will be studied. Given the necessity of implementing the spontaneous breaking of theses flavor symmetries in general scalar potentials, another focus is to investigate the possible realizable symmetries in potentials containing different Higgs multiplets, initially focusing on Higgs doublets and singlet’s. The possible consequences in the Higgs physics from scenarios where flavored Higgses are present will be studied as well. Some commonly used examples will be initially analyzed. (AU)

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Scientific publications (5)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
NISHI, C. C.; SANCHEZ-VEGA, B. L. Mu-taure reflection symmetry with a texture-zero. Journal of High Energy Physics, n. 1 JAN 17 2017. Web of Science Citations: 20.
NISHI, C. C. New and trivial CP symmetry for extended A(4) flavor. Physical Review D, v. 93, n. 9 MAY 16 2016. Web of Science Citations: 17.
MOHAPATRA, R. N.; NISHI, C. C. Implications of mu-tau flavored CP symmetry of leptons. Journal of High Energy Physics, n. 8 AUG 18 2015. Web of Science Citations: 26.
CARVAJAL, C. D. R.; DIAS, A. G.; NISHI, C. C.; SANCHEZ-VEGA, B. L. Axion like particles and the inverse seesaw mechanism. Journal of High Energy Physics, n. 5 MAY 13 2015. Web of Science Citations: 7.
IVANOV, I. P.; NISHI, C. C. Symmetry breaking patterns in 3HDM. Journal of High Energy Physics, n. 1 JAN 8 2015. Web of Science Citations: 28.

Please report errors in scientific publications list by writing to: cdi@fapesp.br.