A5100749992- Particle physics theoretical and experimental studies
- Dark Matter and Cosmic Phenomena
- Cosmology and Gravitation Theories
- Quantum Chromodynamics and Particle Interactions
- Neutrino Physics Research
- Black Holes and Theoretical Physics
- High-Energy Particle Collisions Research
- Computational Physics and Python Applications
- Particle Detector Development and Performance
- Astrophysics and Cosmic Phenomena
- Atomic and Subatomic Physics Research
- Relativity and Gravitational Theory
- International Science and Diplomacy
- Scientific Research and Discoveries
- Solar and Space Plasma Dynamics
- Galaxies: Formation, Evolution, Phenomena
- Advanced Thermodynamics and Statistical Mechanics
- Geophysics and Gravity Measurements
- Physics of Superconductivity and Magnetism
- Nuclear physics research studies
- Quantum Mechanics and Applications
- Algebraic and Geometric Analysis
- Particle Accelerators and Free-Electron Lasers
- Spectral Theory in Mathematical Physics
- Noncommutative and Quantum Gravity Theories
Academy of Scientific Research and Technology
2018-2025
Ibn Sina National College for Medical Studies
2025
Zewail City of Science and Technology
2015-2024
Shaikh Zayed Hospital
2024
University of Kansas
2023
Ain Shams University
2010-2022
University of Dhaka
2022
University of Southampton
2012-2018
Rutherford Appleton Laboratory
2017-2018
National Institute of Chemical Physics and Biophysics
2017
During 2010 the LHC delivered pp collisions with a centre-of-mass energy of 7 TeV. In this paper, results comprehensive studies missing transverse as measured by CMS detector are presented. The cover measurements scale and resolution for energy, effects multiple interactions within same bunch crossings on resolution. Anomalous studied, algorithms their identification described. performance several reconstruction calculating compared. An algorithm, called missing-transverse-energy...
Abstract The workshop “Shedding light on X17” brings together scientists looking for the existence of a possible new particle, often referred to as X17. This hypothetical particle can explain resonant structure observed at $$\sim $$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mo>∼</mml:mo> </mml:math> 17 MeV in invariant mass electron-positron pairs, produced after excitation nuclei such $$^8\hbox {Be}$$ <mml:mrow> <mml:msup> <mml:mrow /> <mml:mn>8</mml:mn> </mml:msup>...
We explore possible signatures for right-handed neutrinos in a TeV scale B-L extension of the standard model at Large Hadron Collider. The studied four lepton signal has tiny background. find experimentally accessible LHC considered parameter regions.
We propose a scheme where the three relevant physics scales related to supersymmetry, electroweak, and baryon minus lepton (B−L) breakings are linked together occur at TeV scale. The phenomenological implications in Higgs leptonic sectors discussed.
The fact that neutrinos are massive indicates the standard model (SM) requires extension. We propose a low-energy (≲TeV) B–L extension of SM, which is based on gauge group . show this provides natural explanation for presence three right-handed in addition to an extra-gauge boson and new scalar Higgs. Therefore, it can lead very interesting phenomenological implications different from SM results be tested at LHC. Also we analyze muon anomalous magnetic moment class models. one loop with...
We propose a modified version of the TeV-scale $B\ensuremath{-}L$ extension standard model, where neutrino masses are generated through inverse seesaw mechanism. show that heavy neutrinos in this model can be accessible via clean signals at LHC. The search for extra gauge boson ${Z}_{B\ensuremath{-}L}^{\ensuremath{'}}$ decay into dileptons or two plus missing energy is studied. also Higgs directly probed LHC dilepton and signal.
Sterile right-handed neutrinos can be naturally embedded in a low scale gauged U(1)B–L extension of the standard model. We show that, within reheating scenario, such neutrino is an interesting dark matter candidate. emphasize that if mass order MeV, then it accounts for measured relic density and also accommodates observed flux 511 keV photons from galactic bulge.
Motivated by an anomaly observed in the decay of excited state Beryllium ($^{8}\mathrm{Be}$) Atomki collaboration, we study extension standard model with a gauged $U(1{)}^{\ensuremath{'}}$ symmetry presence two Higgs doublet structure sector. We show that this scenario complies variety experimental results and is able to explain potential resonant spin-1 gauge boson, ${Z}^{\ensuremath{'}}$, mass 17 MeV data, for appropriate choices charges Yukawa interactions.
We explain anomalies currently present in various data samples used for the measurement of anomalous magnetic moment electron ($a_e$) and muon ($a_\mu$) terms an Aligned 2-Higgs Doublet Model with right-handed neutrinos. The explanation is driven by one two-loop topologies wherein a very light CP-odd neutral Higgs state ($A$) contributes significantly to $a_\mu$ but negligibly $a_e$, so as revert sign new physics corrections former case respect latter, dominant contribution due charged boson...
We analyze the CP asymmetry of $\stackrel{\ensuremath{\rightarrow}}{B}\ensuremath{\varphi}{K}_{S}$ process in general supersymmetric models. In framework mass insertion approximation, we derive model independent limits for mixing asymmetry. show that a chromomagnetic type operator may play an important role accounting deviation between and $\stackrel{\ensuremath{\rightarrow}}{B}J/\ensuremath{\psi}{K}_{S}$ processes observed by Belle BaBar experiments. A possible correlation direct is also...
We analyze the dark matter problem in context of supersymmetric $U(1{)}_{B\ensuremath{-}L}$ model. In this model, lightest neutralino can be $B\ensuremath{-}L$ gaugino ${\stackrel{\texttildelow{}}{Z}}_{B\ensuremath{-}L}$ or extra Higgsinos ${\stackrel{\texttildelow{}}{\ensuremath{\chi}}}_{1,2}$ dominated. compute thermal relic abundance these particles and show that, unlike MSSM, they account for observed with no conflict other phenomenological constraints. The prospects their direct...
More often than not, models of flavor symmetry rely on the use nonrenormalizable operators (in guise flavons) to accomplish phenomenologically successful tribimaximal mixing neutrinos. We show instead how a simple renormalizable two-parameter neutrino mass model can be constructed with non-Abelian discrete T_7 and gauging B-L. This is also achieved without addition auxiliary symmetries particles present in almost all other proposals. Most importantly, it verifiable at Large Hadron Collider.
In the context of a gauge invariant, nonanomalous, and family-dependent (nonuniversal) $U(1{)}^{\ensuremath{'}}$ extension Standard Model, wherein new high-scale mechanism generates masses couplings for first two fermion generations standard Higgs does so third one, we find solutions to anomaly observed by Atomki Collaboration in decay excited states beryllium, form very light ${Z}^{\ensuremath{'}}$ state, stemming from symmetry breaking, with significant axial as evade variety low-scale...
We consider the possibility of explaining recent ${R}_{K}$ and ${R}_{{K}^{*}}$ anomalies in a two-Higgs doublet model, known as aligned, combined with low-scale seesaw mechanism generating light neutrino masses mixings. In this class models, large Yukawa coupling allows for significant nonuniversal leptonic contributions, through box diagrams mediated by charged Higgs bosons right-handed neutrinos, to $b\ensuremath{\rightarrow}s{\ensuremath{\ell}}^{+}{\ensuremath{\ell}}^{\ensuremath{-}}$...
Background Primary care physicians (PCPs) should have adequate skills to manage common skin conditions, such as eczema, psoriasis, and vitiligo, reduce the rate of referrals dermatologists. Objective The aim this study was assess PCPs' knowledge in diagnosing managing dermatological conditions. Methods This cross-sectional survey involved PCPs Saudi Arabia. questionnaire consisted three sections: demographic information, case scenarios, questions assessing ability Knowledge scores were...
We study the naturalness properties of $B-L$ Supersymmetric Standard Model (BLSSM) and compare them to those Minimal (MSSM) at both low (i.e., Large Hadron Collider) energies high unification) scales. By adopting standard measures naturalness, we assess that, in presence full unification additional gauge couplings scalar/fermionic masses BLSSM, such a scenario reveals somewhat higher degree Fine-Tuning (FT) than MSSM, when latter is computed scale all available theoretical experimental...
Motivated by the tension between Higgs mass and muon g−2 in minimal supersymmetric standard model (MSSM), we analyze B−L extension of (BLSSM) with inverse seesaw mechanism. In this model, receives extra important radiative corrections proportional to large neutrino Yukawa coupling. We point out that also gets significant contribution, due constructive interferences light neutralino effects. The neutralinos are typically MSSM Bino like partner U(1)B−L gauge boson (B˜′-ino). show universal...
In the context of B−L Supersymmetric Standard Model (BLSSM), we investigate consistency a scenario with light Higgs boson mass in range 94−98 GeV and (SM) state at 125 results search performed by CMS Collaboration di-photon channel primarily involving data an integrated luminosity 35.9 fb−1 energy s = 13 TeV. this study, present Monte Carlo (MC) analysis signal background mimicking experimental one showing acceptable data, both integral differential level.
Abstract We propose an extension of the Inert Doublet Model (IDM) that explains both neutrino masses and dark matter (DM) in intermediate-mass range by incorporating a U(1) B-L gauge symmetry. This additional symmetry enables inclusion right-handed neutrinos, providing natural mechanism for mass generation. While CP-even component inert doublet can serve as DM candidate, its thermal relic abundance is insufficient to match observed density. To address this, we introduce non-thermal...
Views Icon Article contents Figures & tables Video Audio Supplementary Data Peer Review Share Twitter Facebook Reddit LinkedIn Tools Reprints and Permissions Cite Search Site Citation Shin'ichi Nojiri, Sergei D. Odintsov; Modified gravity as realistic candidate for dark energy, inflation matter. AIP Conf. Proc. 17 April 2009; 1115 (1): 212–217. https://doi.org/10.1063/1.3131501 Download citation file: Ris (Zotero) Reference Manager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex...