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We present a supersymmetric Pati-Salam model with small representations as a potential candidate for physics beyond the Standard Model. The model features a Higgs sector with bifundamental fields $H_R+\bar H_R=(4,1,2)+(\bar 4,1,2)$,…

High Energy Physics - Phenomenology · Physics 2025-02-24 George K. Leontaris , Ruiwen Ouyang , Ye-ling Zhou

We discuss a minimal renormalizable Pati-Salam theory based on the $SU(4)_{\rm C}\,\times\,SU(2)_{\rm L}\,\times\,SU(2)_{\rm R}$ gauge group, with unification scale Higgs multiplets taken as $SU(2)_{\rm L}$ and $SU(2)_{\rm R}$ doublets,…

High Energy Physics - Phenomenology · Physics 2025-04-03 Goran Senjanović , Michael Zantedeschi

We present a unification model based on the well-known but mysterious cubic-structure grouping of quarks and leptons that suggests an underlying symmetry connection deemed explainable by a unified theory. It results in an extension of the…

High Energy Physics - Phenomenology · Physics 2023-03-13 Mohammad Mehrafarin

We analyze the running at one-loop of the gauge couplings in the spectral Pati-Salam model that was derived in the framework of noncommutative geometry. There are a few different scenario's for the scalar particle content which are…

High Energy Physics - Phenomenology · Physics 2017-01-02 Ali H. Chamseddine , Alain Connes , Walter D. van Suijlekom

We investigate models where gauge unification (GUT) proceeds in steps that include Pati-Salam symmetry. Beyond the Standard Model, we allow for a well-defined set of small representations of the GUT gauge group. We show that all possible…

High Energy Physics - Phenomenology · Physics 2015-06-18 Florian Hartmann , Wolfgang Kilian , Karsten Schnitter

We examine the hypothesis that space-time is a product of a continuous four-dimensional manifold times a finite space. A new tensorial notation is developed to present the various constructs of noncommutative geometry. In particular, this…

High Energy Physics - Theory · Physics 2014-11-20 Ali H. Chamseddine , Alain Connes

We present a UV completion of the Standard Model in which quarks and leptons are unified under color SU(4). A single fermionic representation, the real antisymmetric, provides the building blocks to address the strong CP problem via the…

High Energy Physics - Phenomenology · Physics 2026-04-02 Clara Murgui

The purpose of this letter is to remove the arbitrariness of the ad hoc choice of the algebra and its representation in the noncommutative approach to the Standard Model, which was begging for a conceptual explanation. We assume as before…

High Energy Physics - Theory · Physics 2008-11-26 Ali H. Chamseddine , Alain Connes

I give a summary review of the research program using noncommutative geometry as a framework to determine the structure of space-time. Classification of finite noncommutative spaces under few assumptions reveals why nature chose the…

High Energy Physics - Theory · Physics 2019-02-25 Ali H. Chamseddine

In this work we demonstrate how Scotogenic model can arise naturally from an $SU(7)$ grand unified theory. Our model also includes a low scale Pati-Salam $SU(4)_c\times SU(2)_L\times U(1)_R$ symmetry which unifies quarks and leptons.…

High Energy Physics - Phenomenology · Physics 2018-11-15 Arnab Dasgupta , Sin Kyu Kang , Oleg Popov

Providing an Ultra-Violet completion valid up to the Planck scale is of paramount importance to validate the composite Higgs paradigm, at par with supersymmetry. We propose the first complete and feasible framework, based on partial…

High Energy Physics - Phenomenology · Physics 2019-11-14 Giacomo Cacciapaglia , Shahram Vatani , Chen Zhang

We analyse the phenomenology of an exemplary exophobic Pati-Salam heterotic string vacuum, in which no exotic fractionally charged states exist in the massless string spectrum. Our model also contains the Higgs representations that are…

High Energy Physics - Phenomenology · Physics 2011-07-26 Kyriakos Christodoulides , Alon E. Faraggi , John Rizos

The main aspects of a recently developed method for classification of heterotic superstring vacua in the Free Fermionic Formulation are presented. Using these techniques we classify a big number of approximately $10^{15}$ heterotic string…

High Energy Physics - Theory · Physics 2015-05-18 J. Rizos

Following the scanning methods of arXiv:1910.04530, we for the first time systematically construct the $N=1$ supersymmetric $SU(12)_C\times SU(2)_L\times SU(2)_R$ models, $SU(4)_C\times SU(6)_L\times SU(2)_R$ models, and $SU(4)_C\times…

High Energy Physics - Theory · Physics 2023-04-28 Tianjun Li , Adeel Mansha , Rui Sun

Recently, the complete landscape of three-family supersymmetric Pati-Salam models from intersecting D6-branes on a type IIA $\mathbb{T}^6/(\mathbb{Z}_2\times \mathbb{Z}_2)$ orientifold has been enumerated consisting of 33 independent models…

High Energy Physics - Phenomenology · Physics 2025-02-18 Mudassar Sabir , Adeel Mansha , Tianjun Li , Zhi-Wei Wang

Composite Higgs models can be extended to the Planck scale by means of the partially unified partial compositeness (PUPC) framework. We present in detail the Techni-Pati-Salam model, based on a renormalizable gauge theory $SU(8)_{PS}\times…

High Energy Physics - Phenomenology · Physics 2021-03-10 Giacomo Cacciapaglia , Shahram Vatani , Chen Zhang

We construct an $SO(10)$ grand unified theory in the formulation of non-com-\break mutative geometry. The geometry of space-time is that of a product of a continuos four dimensional manifold times a discrete set of points. The properties of…

High Energy Physics - Theory · Physics 2009-10-22 A. H. Chamseddine , J. Fr/''ohlich

The flavor structure of quarks and leptons and quark-lepton unification are studied in the framework of Pati-Salam models with $A_4$ modular symmetry. The three generations of the left-handed and right-handed fermions are assigned to be…

High Energy Physics - Phenomenology · Physics 2024-04-11 Gui-Jun Ding , Si-Yi Jiang , Stephen F. King , Jun-Nan Lu , Bu-Yao Qu

In spite of its many successes, the Standard Model makes many empirical assumptions in the Higgs and fermion sectors for which a deeper theoretical basis is sought. Starting from the usual gauge symmetry $u(1) \times su(2) \times su(3)$…

High Energy Physics - Phenomenology · Physics 2008-11-26 H. M. Chan , S. T. Tsou

In this work we study a predictive model based on a partially unified theory possessing the gauge symmetry of the Pati-Salam group, $SU(2)_L\times SU(2)_R\times SU(4)_C$ supplemented by a global Peccei-Quinn symmetry, $U(1)_{PQ}$. A…

High Energy Physics - Phenomenology · Physics 2019-05-14 Shaikh Saad
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