Salah Nasri
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View article: Boosting Sensitivity to <i>HH</i> → <i>bbγγ</i> with Graph Neural Networks and XGBoost
Boosting Sensitivity to <i>HH</i> → <i>bbγγ</i> with Graph Neural Networks and XGBoost Open
In this paper, we explore the use of advanced machine learning (ML) techniques to enhance the sensitivity of double Higgs boson searches in the $ HH \rightarrow b\bar{b}\gamma \gamma$ decay channel at $\sqrt{s} =$ 13.6 TeV. Two ML models a…
View article: Boosting Sensitivity to $HH\to b\bar{b} γγ$ with Graph Neural Networks and XGBoost
Boosting Sensitivity to $HH\to b\bar{b} γγ$ with Graph Neural Networks and XGBoost Open
In this paper, we explore the use of advanced machine learning (ML) techniques to enhance the sensitivity of double Higgs boson searches in the \( HH \to b\bar{b}γγ\) decay channel at $\sqrt{s} = $ 13.6 TeV. Two ML models are implemented a…
View article: Nonholomorphic <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msub><mml:mi>A</mml:mi><mml:mn>4</mml:mn></mml:msub></mml:math> modular invariance for fermion masses and mixing in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>S</mml:mi><mml:mi>U</mml:mi><mml:mo stretchy="false">(</mml:mo><mml:mn>5</mml:mn><mml:mo stretchy="false">)</mml:mo></mml:math> GUT
Nonholomorphic modular invariance for fermion masses and mixing in GUT Open
Addressing the fermion flavor structures using modular invariance is a challenging task in the framework of quark-lepton unification. Building on recent applications of modular symmetry in nonsupersymmetric models, we propose the first ren…
View article: Fermion Masses and Mixing in Pati–Salam Unification with <i>S</i>3 Modular Symmetry
Fermion Masses and Mixing in Pati–Salam Unification with <i>S</i>3 Modular Symmetry Open
Modular invariance has recently paved the way for promising new directions in flavor model building. Motivated by this development, we present in this work the first implementation of the $S_3$ modular symmetry within the Pati–Salam unific…
View article: Fermion Masses and Mixing in Pati-Salam Unification with $S_3$ Modular Symmetry
Fermion Masses and Mixing in Pati-Salam Unification with $S_3$ Modular Symmetry Open
Modular invariance has recently paved new promising directions in flavor model building. Motivated by this development, we present in this work the first implementation of the $S_3$ modular symmetry within the Pati-Salam unification framew…
View article: Probing Zee-Babu states at muon colliders
Probing Zee-Babu states at muon colliders Open
The Zee-Babu model is a minimal realization of radiative neutrino mass generation mechanism at the two-loop level. We study the phenomenology of this model at future multi-TeV muon colliders. After imposing all theoretical and low-energy e…
View article: Cosmological domain walls from the breaking of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msub><mml:mi>S</mml:mi><mml:mn>4</mml:mn></mml:msub></mml:math> flavor symmetry
Cosmological domain walls from the breaking of flavor symmetry Open
In this work, we delve into the often overlooked cosmological implications of the spontaneous breaking of the non-Abelian discrete groups, specifically focusing on the formation of domain walls in the case of S4 flavor symmetry. In particu…
View article: Doubly-charged scalars of the minimal left-right symmetric model at muon colliders
Doubly-charged scalars of the minimal left-right symmetric model at muon colliders Open
We investigate the prospects of probing the doubly-charged scalars of the minimal Left-Right Symmetric model (MLRSM) at a muon collider. We assess its capability by studying the production of doubly-charged scalars and their subsequent dec…
View article: Domain Walls in the $A_4$ Flavored NMSSM
Domain Walls in the $A_4$ Flavored NMSSM Open
In this work, we study the phenomenology of neutrinos and the formation of cosmic domain walls in the NMSSM extended by an $A_4 \times Z_3$ flavor symmetry. Neutrino masses result from the type I seesaw mechanism using only two flavon fiel…
View article: Gravitational waves from metastable cosmic strings in the Pati-Salam model in light of new pulsar timing array data
Gravitational waves from metastable cosmic strings in the Pati-Salam model in light of new pulsar timing array data Open
A series of pulsar timing arrays (PTAs) recently observed gravitational waves at the nanohertz frequencies. Motivated by this remarkable result, we present a novel class of Pati-Salam models that give rise to a network of metastable cosmic…
View article: Cosmological domain walls from the breaking of $\mathbf{S_4}$ flavor symmetry
Cosmological domain walls from the breaking of $\mathbf{S_4}$ flavor symmetry Open
In this work, we delve into the often-overlooked cosmological implications of spontaneous breaking of non-Abelian discrete groups, specifically focusing on the formation of domain walls in the case of $S_{4}$ flavor symmetry. In particular…
View article: Boosting dark matter searches at muon colliders with machine learning: The mono-Higgs channel as a case study
Boosting dark matter searches at muon colliders with machine learning: The mono-Higgs channel as a case study Open
The search for dark matter (DM) candidates at high-energy colliders is one of the most promising avenues to understand the nature of this elusive component of the universe. Several searches at the Large Hadron Collider (LHC) have strongly …
View article: Boosting dark matter searches at muon colliders with Machine Learning: the mono-Higgs channel as a case study
Boosting dark matter searches at muon colliders with Machine Learning: the mono-Higgs channel as a case study Open
The search for dark-matter (DM) candidates at high-energy colliders is one of the most promising avenues to understand the nature of this elusive component of the universe. Several searches at the Large Hadron Collider (LHC) have strongly …
View article: Gravitational waves from metastable cosmic strings in Pati-Salam model in light of new pulsar timing array data
Gravitational waves from metastable cosmic strings in Pati-Salam model in light of new pulsar timing array data Open
A series of pulsar timing arrays (PTAs) recently observed gravitational waves at the nanohertz frequencies. Motivated by this remarkable result, we present a novel class of Pati-Salam models that give rise to a network of metastable cosmic…
View article: Doubly-charged scalars of the Minimal Left-Right Symmetric Model at Muon Colliders
Doubly-charged scalars of the Minimal Left-Right Symmetric Model at Muon Colliders Open
We investigate the prospects of probing the doubly-charged scalars of the minimal Left-Right Symmetric model (MLRSM) at a muon collider. We assess its capability by studying the production of doubly-charged scalars and their subsequent dec…
View article: Lepton portal dark matter at muon colliders: Total rates and generic features for phenomenologically viable scenarios
Lepton portal dark matter at muon colliders: Total rates and generic features for phenomenologically viable scenarios Open
Lepton portal dark matter (DM) models are a class of models where the DM candidates solely couple to charged leptons through a mediator carrying a lepton number. These models are very interesting since they avoid constraints from direct de…
View article: Probing Zee-Babu states at Muon Colliders
Probing Zee-Babu states at Muon Colliders Open
The Zee-Babu model is a minimal realization of radiative neutrino mass generation mechanism at the two-loop level. We study the phenomenology of this model at future multi-TeV muon colliders. After imposing all theoretical and low-energy e…
View article: Lepton portal dark matter at muon colliders: Total rates and generic features for phenomenologically viable scenarios
Lepton portal dark matter at muon colliders: Total rates and generic features for phenomenologically viable scenarios Open
Lepton portal dark matter (DM) models are a class of models where the DM candidates solely couple to charged leptons through a mediator carrying a lepton number. These models are very interesting since they avoid constraints from direct de…
View article: LHC Run-3, $b-τ$ Yukawa Unification and Dark Matter Implications in SUSY 4-2-2 model
LHC Run-3, $b-τ$ Yukawa Unification and Dark Matter Implications in SUSY 4-2-2 model Open
We revisit the bottom and $τ$ Yukawa coupling unification in supersymmetric $4$-$2$-$2$ model and present for the first time the sbottom-neutralino co-annihilation scenario consistent with the bottom and $τ$ Yukawa coupling unification. In…
View article: Domain Walls in the A 4 flavored NMSSM
Domain Walls in the A 4 flavored NMSSM Open
In this work, we study the phenomenology of neutrinos and the formation of cosmic domain walls in the NMSSM extended by an A 4 × Z 3 flavor symmetry.Neutrino masses result from the type I seesaw mechanism using only two flavon fields and t…
View article: Gravity from the Determinant of the Energy-Momentum: Astrophysical Implications
Gravity from the Determinant of the Energy-Momentum: Astrophysical Implications Open
Determinants of the second-rank tensors stand useful in forming generally invariant terms as in the case of the volume element of the gravitational actions. Here, we extend the action of the matter fields by an arbitrary function $f(D)$ of…
View article: Quantum simulation of quantum mechanical system with spatial noncommutativity
Quantum simulation of quantum mechanical system with spatial noncommutativity Open
Quantum simulation has become a promising avenue of research that allows one to simulate and gain insight into the models of High Energy Physics whose experimental realizations are either complicated or inaccessible with current technology…
View article: Constraining the cosmic strings gravitational wave spectra in no-scale inflation with viable gravitino dark matter and nonthermal leptogenesis
Constraining the cosmic strings gravitational wave spectra in no-scale inflation with viable gravitino dark matter and nonthermal leptogenesis Open
We revisit the hybrid inflation model gauged by $U(1)_{B-L}$ extension of the Minimal Supersymmetric Standard Model (MSSM) in a no-scale background. Considering a single predictive framework, we study inflation, leptogenesis, gavitino cosm…
View article: Probing the Dark Matter of the Three-loop Radiative Neutrino Mass Generation Model with the Cherenkov Telescope Array
Probing the Dark Matter of the Three-loop Radiative Neutrino Mass Generation Model with the Cherenkov Telescope Array Open
We investigate the prospect of detecting the Dark Matter (DM) candidate in the three-loop radiative neutrino mass generation model extended with large electroweak multiplets of the Standard Model (SM) gauge group, at the future imaging atm…
View article: Isocurvature modes and non-Gaussianity in affine inflation
Isocurvature modes and non-Gaussianity in affine inflation Open
Inflationary dynamics driven by multiple fields, especially with nonminimal couplings, allow for highly interesting features such as isocurvature, non-Gaussianity, and preheating. In this paper, we study two-field inflation in the context …
View article: Phenomenology of the hidden SU(2) vector dark matter model
Phenomenology of the hidden SU(2) vector dark matter model Open
We investigate the phenomenology of an extension of the Standard Model (SM) by a non-abelian gauge group $SU(2)_{HS}$ where all SM particles are singlets under this gauge group, and a new scalar representation $ϕ$ that is singlet under SM …
View article: Ricci-Determinant gravity: Dynamical aspects and astrophysical implications
Ricci-Determinant gravity: Dynamical aspects and astrophysical implications Open
The Palatini gravitational action is enlarged by an arbitrary function $f(X)$ of the determinants of the Ricci tensor and the metric, $X=|\textbf{det}.R|/|\textbf{det}.g|$. The resulting Ricci-determinant theory exhibits novel deviations f…
View article: Dynamical aspects of asymmetric Eddington gravity with scalar fields
Dynamical aspects of asymmetric Eddington gravity with scalar fields Open
In Eddington gravity, the action principle involves only the symmetric parts of the connection and the Ricci tensor, with a metric that emerges proportionally to the latter. Here, we relax this symmetric character, prolong the action with …