A SUPERSYMMETRIC 3-4-1 MODEL

2007 ◽  
Vol 22 (32) ◽  
pp. 6147-6167 ◽  
Author(s):  
M. C. RODRIGUEZ

We build the complete supersymmetric version of a 3-4-1 gauge model using the superfield formalism. We point out that a discrete symmetry, similar to the R-symmetry in the minimal supersymmetric standard model, is possible to be defined in this model. Hence we have both R-conserving and R-violating possibilities. We also discuss some phenomenological results coming from this model.

2004 ◽  
Vol 19 (12) ◽  
pp. 1863-1892 ◽  
Author(s):  
OTTO C. W. KONG

The generic supersymmetric version of the Standard Model would have the minimal list of superfields incorporating the Standard Model particles, and a Lagrangian dictated by the Standard Model gauge symmetries. To be phenomenologically viable, soft supersymmetry breaking terms have to be included. In the most popular version of the supersymmetric Standard Model, an ad hoc discrete symmetry, called R parity, is added in by hand. While there has been a lot of various kinds of R-parity violation studies in the literature, the complete version of supersymmetry without R parity is not popularly appreciated. In this article, we present a pedagogical review of the formulation of this generic supersymmetric Standard Model and give a detailed discussion on the basic conceptual issues involved. Unfortunately, there are quite some confusing, or even plainly wrong, statements on the issues within the literature of R-parity violations. We aim at clarifying these issues here. We will first discuss our formulation, about which readers are urged to read without bias from previous acquired perspectives on the topic. Based on the formulation, we will then address the various issues. In relation to phenomenology, our review here will not go beyond tree-level mass matrices. But we will give a careful discussion of mass matrices of all the matter fields involved. Useful expressions for perturbative diagonalizations of the mass matrices at the phenomenologically interesting limit of corresponds to small neutrino masses are derived. All these expressions are given in the fully generic setting, with information on complex phases of parameters retained. Such expressions have been shown to be useful in the analyses of various phenomenological features.


2000 ◽  
Vol 15 (01) ◽  
pp. 81-103
Author(s):  
YOSHIHARU KAWAMURA ◽  
TATSUO KOBAYASHI ◽  
MANABU WATANABE

We study μ and B-parameters in the minimal supersymmetric standard model (MSSM) based on the radiative electroweak symmetry breaking scenario using "bottom-up" approach and show how useful our approach is to select a phenomenologically viable model beyond the MSSM under the assumption that the underlying theory is a string model or a gauge-Yukawa unified gauge model.


1994 ◽  
Vol 09 (38) ◽  
pp. 3575-3583 ◽  
Author(s):  
JIHN E. KIM ◽  
HANS PETER NILLES

We stress that a natural solution of the μ problem requires two ingredients: a symmetry that would enforce μ=0 as well as the occurrence of a small breaking parameter that generates a nonzero μ. It is suggested that both the Peccei-Quinn symmetry and the spontaneously broken R symmetry may be the sources of the needed μ term in the minimal supersymmetric standard model provided that they are spontaneously broken at a scale 1010–1012 GeV . To solve the strong CP problem with a hidden sector confining group, both of these symmetries are needed in superstring models with an anomalous U (1)A.


2021 ◽  
Vol 2021 (5) ◽  
Author(s):  
Shing Yan Li ◽  
Yu-Cheng Qiu ◽  
S.-H. Henry Tye

Abstract Guided by the naturalness criterion for an exponentially small cosmological constant, we present a string theory motivated 4-dimensional $$ \mathcal{N} $$ N = 1 non-linear supergravity model (or its linear version with a nilpotent superfield) with spontaneous supersymmetry breaking. The model encompasses the minimal supersymmetric standard model, the racetrack Kähler uplift, and the KKLT anti-D3-branes, and use the nilpotent superfield to project out the undesirable interaction terms as well as the unwanted degrees of freedom to end up with the standard model (not the supersymmetric version) of strong and electroweak interactions.


2011 ◽  
Vol 126 (6) ◽  
pp. 1051-1076 ◽  
Author(s):  
Y. Kanehata ◽  
T. Kobayashi ◽  
Y. Konishi ◽  
O. Seto ◽  
T. Shimomura

1998 ◽  
Vol 13 (14) ◽  
pp. 2263-2276 ◽  
Author(s):  
HOWARD E. HABER

The theoretical structure of the Higgs sector of the Minimal Supersymmetric Standard Model (MSSM) is briefly described. An outline of Higgs phenomenology at future lepton colliders is presented, and some opportunities for probing the physics of the MSSM Higgs sector at an e-e- collider are considered.


1999 ◽  
Vol 25 (1) ◽  
pp. 27-43 ◽  
Author(s):  
Zhou Mian-Lai ◽  
Ma Wen-Gan ◽  
Han Liang ◽  
Jiang Yi ◽  
Zhou Hong

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