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Title: Modification of the unitarity relation for sin2{beta}-V{sub ub} in supersymmetric models

Abstract

Recently, a more than 2{sigma} discrepancy has been observed between the well measured inclusive value of V{sub ub} and the predicted value of V{sub ub} from the unitarity triangle fit using the world average value of sin2{beta}. We attempt to resolve this tension in the context of grand unified SO(10) and SU(5) models where the neutrino mixing matrix is responsible for flavor changing neutral current at the weak scale and the models with nonproportional A-terms (can be realized simply in the context of intersecting D-brane models) and investigate the interplay between the constraints arising from B{sub s,d}-B{sub s,d} mixings, {epsilon}{sub K}, Br({tau}{yields}{mu}{gamma}), Br({mu}{yields}e{gamma}) and a fit of this new discrepancy. We also show that the ongoing measurement of the phase of B{sub s} mixing will be able to identify the grand unified model. The measurement of Br({tau}{yields}e{gamma}) will also be able to test these scenarios, especially the models with nonproportional A-terms.

Authors:
;  [1]
  1. Department of Physics, Texas A and M University, College Station, Texas 77843-4242 (United States)
Publication Date:
OSTI Identifier:
20935190
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physical Review. D, Particles Fields; Journal Volume: 75; Journal Issue: 1; Other Information: DOI: 10.1103/PhysRevD.75.015006; (c) 2007 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; FLAVOR MODEL; GRAND UNIFIED THEORY; M-THEORY; MUONS; NEUTRAL CURRENTS; NEUTRINO OSCILLATION; NEUTRINOS; PARTICLE DECAY; PARTICLE PRODUCTION; SO-10 GROUPS; SU-5 GROUPS; SUPERSYMMETRY; TAU PARTICLES; UNITARITY

Citation Formats

Dutta, Bhaskar, and Mimura, Yukihiro. Modification of the unitarity relation for sin2{beta}-V{sub ub} in supersymmetric models. United States: N. p., 2007. Web. doi:10.1103/PHYSREVD.75.015006.
Dutta, Bhaskar, & Mimura, Yukihiro. Modification of the unitarity relation for sin2{beta}-V{sub ub} in supersymmetric models. United States. doi:10.1103/PHYSREVD.75.015006.
Dutta, Bhaskar, and Mimura, Yukihiro. Mon . "Modification of the unitarity relation for sin2{beta}-V{sub ub} in supersymmetric models". United States. doi:10.1103/PHYSREVD.75.015006.
@article{osti_20935190,
title = {Modification of the unitarity relation for sin2{beta}-V{sub ub} in supersymmetric models},
author = {Dutta, Bhaskar and Mimura, Yukihiro},
abstractNote = {Recently, a more than 2{sigma} discrepancy has been observed between the well measured inclusive value of V{sub ub} and the predicted value of V{sub ub} from the unitarity triangle fit using the world average value of sin2{beta}. We attempt to resolve this tension in the context of grand unified SO(10) and SU(5) models where the neutrino mixing matrix is responsible for flavor changing neutral current at the weak scale and the models with nonproportional A-terms (can be realized simply in the context of intersecting D-brane models) and investigate the interplay between the constraints arising from B{sub s,d}-B{sub s,d} mixings, {epsilon}{sub K}, Br({tau}{yields}{mu}{gamma}), Br({mu}{yields}e{gamma}) and a fit of this new discrepancy. We also show that the ongoing measurement of the phase of B{sub s} mixing will be able to identify the grand unified model. The measurement of Br({tau}{yields}e{gamma}) will also be able to test these scenarios, especially the models with nonproportional A-terms.},
doi = {10.1103/PHYSREVD.75.015006},
journal = {Physical Review. D, Particles Fields},
number = 1,
volume = 75,
place = {United States},
year = {Mon Jan 01 00:00:00 EST 2007},
month = {Mon Jan 01 00:00:00 EST 2007}
}