Saliha Bashir
A5068757913- Particle physics theoretical and experimental studies
- Quantum Chromodynamics and Particle Interactions
- High-Energy Particle Collisions Research
- Computational Physics and Python Applications
- Dark Matter and Cosmic Phenomena
- Nuclear physics research studies
- Black Holes and Theoretical Physics
- Neutrino Physics Research
- Atomic and Subatomic Physics Research
- Molecular Biology Techniques and Applications
- Vaccine Coverage and Hesitancy
- Astrophysics and Cosmic Phenomena
- Corneal Surgery and Treatments
- Organizational Learning and Leadership
- SARS-CoV-2 and COVID-19 Research
- Advanced X-ray and CT Imaging
- Viral Infections and Outbreaks Research
- Stochastic processes and statistical mechanics
- Mesenchymal stem cell research
- Business and Economic Development
- Forensic and Genetic Research
- Superconducting Materials and Applications
- Identification and Quantification in Food
- Human Resource and Talent Management
- Tissue Engineering and Regenerative Medicine
University of Kashmir
2017-2025
AGH University of Krakow
2021-2024
Jagiellonian University
2024
COMSATS University Islamabad
2023
Centre of Excellence in Molecular Biology
2015-2022
University of the Punjab
2015-2022
Aligarh Muslim University
2017
Variable Energy Cyclotron Centre
2017
Tests of lepton universality in B^{0}→K_{S}^{0}ℓ^{+}ℓ^{-} and B^{+}→K^{*+}ℓ^{+}ℓ^{-} decays where ℓ is either an electron or a muon are presented. The differential branching fractions B^{0}→K_{S}^{0}e^{+}e^{-} B^{+}→K^{*+}e^{+}e^{-} measured intervals the dilepton invariant mass squared. measurements performed using proton-proton collision data recorded by LHCb experiment, corresponding to integrated luminosity 9 fb^{-1} . results consistent with standard model previous tests related decay...
The first observation of the semileptonic b-baryon decay Λ_{b}^{0}→Λ_{c}^{+}τ^{-}ν[over ¯]_{τ}, with a significance 6.1σ, is reported using data sample corresponding to 3 fb^{-1} integrated luminosity, collected by LHCb experiment at center-of-mass energies 7 and 8 TeV LHC. τ^{-} lepton reconstructed in hadronic three charged pions. ratio K=B(Λ_{b}^{0}→Λ_{c}^{+}τ^{-}ν[over ¯]_{τ})/B(Λ_{b}^{0}→Λ_{c}^{+}π^{-}π^{+}π^{-}) measured be 2.46±0.27±0.40, where uncertainty statistical second...
A measurement of the lifetimes Ωc0 and Ξc0 baryons is reported using proton-proton collision data at a centre-of-mass energy 13TeV, corresponding to an integrated luminosity 5.4fb-1 collected by LHCb experiment. The are produced directly from proton interactions reconstructed in pK-K-π+ final state. lifetime measured be 276.5±13.4±4.4±0.7fs, 148.0±2.3±2.2±0.2fs, where first uncertainty statistical, second systematic, third due on D0 lifetime. These results confirm previous measurements based...
A bstract Measurements of CP observables and the CKM angle γ are performed in B ± → DK * (892) decays, where D represents a superposition 0 $$ {\overline{D}}^0 <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msup> <mml:mover> <mml:mi>D</mml:mi> <mml:mo>¯</mml:mo> </mml:mover> <mml:mn>0</mml:mn> </mml:msup> </mml:math> states, using LHCb dataset collected during Run 1 (2011–2012) 2 (2015–2018). study this channel is presented with meson reconstructed two-body final states K π ∓...
Abstract: Rheumatoid arthritis (RA) is the most prevalent form of inflammatory arthritis, characterized by chronic inflammation synovial membrane. Current therapeutic options have advanced RA management significantly, yet limitations like adverse effects and treatment resistance underscore need for novel agents. Recent advancements introduced promising candidates, including BTK inhibitors, JAK TLR4 COX-2 LOX which target specific pathways implicated in pathogenesis. This manuscript provides...
A bstract The production cross-section of the χ c 1 (3872) state relative to ψ (2 S ) meson is measured using proton-proton collision data collected with LHCb experiment at centre-of-mass energies $$ \sqrt{s} <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msqrt><mml:mi>s</mml:mi></mml:msqrt></mml:math> = 8 and 13 TeV, corresponding integrated luminosities 2.0 5.4 fb − , respectively. two mesons are reconstructed in J/ψπ + π final state. ratios prompt nonprompt cross-sections...
A bstract : The radiative decays χ c1 (3872) → ψ(2S) γ and J/ψγ are used to probe the nature of state using proton-proton collision data collected with LHCb detector, corresponding an integrated luminosity 9 fb − 1 . Using B + (3872)K decay, process is observed for first time ratio its partial width that decay measured be $$ \frac{\Gamma_{\chi_{c1}(3872)\to \uppsi \left(2\textrm{S}\right)\gamma }}{\Gamma_{\chi_{c1}(3872)\to \textrm{J}/\uppsi \gamma }}=1.67\pm 0.21\pm 0.12\pm 0.04, <mml:math...
This article presents differential measurements of the asymmetry between $\Lambda_b^0$ and $\overline{\Lambda}_b^0$ baryon production rates in proton-proton collisions at centre-of-mass energies $\sqrt{s}=7$ $8\,\textrm{TeV}$ collected with LHCb experiment, corresponding to an integrated luminosity $3\,\textrm{fb}^{-1}$. The baryons are reconstructed through inclusive semileptonic decay $\Lambda_b^0\rightarrow\Lambda_c^+\mu^-\overline{\nu}_{\mu}X$. is measured both intervals rapidity range...
A bstract Searches for rare $$ {B}_s^0 <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msubsup> <mml:mi>B</mml:mi> <mml:mi>s</mml:mi> <mml:mn>0</mml:mn> </mml:msubsup> </mml:math> and B 0 decays into four muons are performed using proton-proton collision data recorded by the LHCb experiment, corresponding to an integrated luminosity of 9 fb − 1 . Direct via light scalar J/ψ resonances considered. No evidence six searched is found upper limits at 95% confidence level on their...
A bstract The production cross-sections of J/ψ mesons in proton-proton collisions at a centre-of-mass energy $$ \sqrt{s} <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msqrt> <mml:mi>s</mml:mi> </mml:msqrt> </mml:math> = 5 TeV are measured using data sample corresponding to an integrated luminosity 9 . 13 ± 0 18 pb − 1 , collected by the LHCb experiment. differentially as function transverse momentum, p T and rapidity, y separately for produced promptly from beauty hadron...
Aim: The aim of the present study is to use human amniotic membrane (HAM) for in vitro chondrogenesis placenta-derived mesenchymal stem cells (MSCs) and umbilical cord-derived MSCs. Materials & methods: MSCs from placenta cord were isolated, characterized by immunophenotyping after analyzing their rate proliferation, cytotoxicity viability, was performed on plastic adherent surface HAM. Results: Successfully isolated revealed positive expression markers CD90, CD73, CD105 CD49d, while they...
This study investigates dijet and neutral pion production in high-energy nuclear collisions the LHCb detector. The obtained measurements offer crucial insights into Quantum Chromodynamics (QCD), understanding of parton distribution functions, structure, particle dynamics. Specifically, modification factor for pions proton-lead at 8.16 TeV reveal notable first evidence enhancement backward region providing constraints on models structure. Furthermore, inclusive 𝑏 ̄𝑏 𝑐 ̄𝑐-dijet cross-sections...
The radiative decays $\chi_{c1}(3872)\rightarrow\psi(2S)\gamma$ and $\chi_{c1}(3872)\rightarrow J/\psi\gamma$ are used to probe the~nature of the~$\chi_{c1}(3872)$ state using proton-proton collision data collected with the LHCb detector, corresponding an~integrated luminosity of~9fb$^{-1}$. Using the~$B^+\rightarrow \chi_{c1}(3872)K^+$decay, \psi(2S)\gamma$ process is observed for first time ratio its partial width that decay measured be $$ \frac{\Gamma_{\chi_{c1}(3872)\rightarrow...
The decays of the $\chi_{b1}(1P)$, $\chi_{b2}(1P)$, $\chi_{b1}(2P)$ and $\chi_{b2}(2P)$~mesons into the~$\Upsilon(1S)\mu^+\mu^-$ final state are observed with a high significance using proton-proton collision data collected LHCb detector corresponding to an integrated luminosity 9fb$^{-1}$. newly together $\Upsilon(2S)\rightarrow \Upsilon(1S)\pi^+\pi^-$ $\Upsilon(3S)\rightarrow \Upsilon(2S)\pi^+\pi^-$ decay modes used for precision measurements mass splittings hidden-beauty states.
The rare electromagnetic $J/\psi \to \mu^+\mu^-\mu^+\mu^-$ decay is observed with a significance greatly exceeding the discovery threshold, using proton-proton collision data collected by LHCb experiment during 2016-2018 at center-of-mass energy of 13 TeV, corresponding to an integrated luminosity $5.4\,\text{fb}^{-1}$. rate this measured relative that \mu^+\mu^-$ mode. Using QED model for four-muon in efficiency estimation, its branching fraction determined be \begin{equation*}...