Effective theories of flavor and the nonuniversal MSSM
(2017) In Physical Review D 95(3).- Abstract
Flavor symmetries à la Froggatt-Nielsen provide a compelling way to explain the hierarchies of fermionic masses and mixing angles in the Yukawa sector. In supersymmetric (SUSY) extensions of the Standard Model where the mediation of SUSY breaking occurs at scales larger than the breaking of flavor, this symmetry must be respected not only by the Yukawas of the superpotential but also by the soft-breaking masses and trilinear terms. In this work we show that contrary to naive expectations, even starting with completely flavor blind soft breaking in the full theory at high scales, the low-energy sfermion mass matrices and trilinear terms of the effective theory, obtained upon integrating out the heavy mediator fields, are strongly... (More)
Flavor symmetries à la Froggatt-Nielsen provide a compelling way to explain the hierarchies of fermionic masses and mixing angles in the Yukawa sector. In supersymmetric (SUSY) extensions of the Standard Model where the mediation of SUSY breaking occurs at scales larger than the breaking of flavor, this symmetry must be respected not only by the Yukawas of the superpotential but also by the soft-breaking masses and trilinear terms. In this work we show that contrary to naive expectations, even starting with completely flavor blind soft breaking in the full theory at high scales, the low-energy sfermion mass matrices and trilinear terms of the effective theory, obtained upon integrating out the heavy mediator fields, are strongly nonuniversal. We explore the phenomenology of these SUSY flavor models after the latest LHC searches for new physics.
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- author
- Das, Dipankar LU ; López-Ibáñez, M. L. ; Pérez, M. Jay and Vives, Oscar
- publishing date
- 2017-02-02
- type
- Contribution to journal
- publication status
- published
- subject
- in
- Physical Review D
- volume
- 95
- issue
- 3
- article number
- 035001
- publisher
- American Physical Society
- external identifiers
-
- scopus:85021916248
- ISSN
- 2470-0010
- DOI
- 10.1103/PhysRevD.95.035001
- language
- English
- LU publication?
- no
- id
- c16ab064-67ef-45da-8790-8f627c1320e2
- date added to LUP
- 2019-05-22 15:26:38
- date last changed
- 2022-04-02 17:37:30
@article{c16ab064-67ef-45da-8790-8f627c1320e2,
abstract = {{<p>Flavor symmetries à la Froggatt-Nielsen provide a compelling way to explain the hierarchies of fermionic masses and mixing angles in the Yukawa sector. In supersymmetric (SUSY) extensions of the Standard Model where the mediation of SUSY breaking occurs at scales larger than the breaking of flavor, this symmetry must be respected not only by the Yukawas of the superpotential but also by the soft-breaking masses and trilinear terms. In this work we show that contrary to naive expectations, even starting with completely flavor blind soft breaking in the full theory at high scales, the low-energy sfermion mass matrices and trilinear terms of the effective theory, obtained upon integrating out the heavy mediator fields, are strongly nonuniversal. We explore the phenomenology of these SUSY flavor models after the latest LHC searches for new physics.</p>}},
author = {{Das, Dipankar and López-Ibáñez, M. L. and Pérez, M. Jay and Vives, Oscar}},
issn = {{2470-0010}},
language = {{eng}},
month = {{02}},
number = {{3}},
publisher = {{American Physical Society}},
series = {{Physical Review D}},
title = {{Effective theories of flavor and the nonuniversal MSSM}},
url = {{http://dx.doi.org/10.1103/PhysRevD.95.035001}},
doi = {{10.1103/PhysRevD.95.035001}},
volume = {{95}},
year = {{2017}},
}