Shakeel Ahmad
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View article: Observation of deuteron and antideuteron formation from resonance-decay nucleons
Observation of deuteron and antideuteron formation from resonance-decay nucleons Open
High-energy hadronic collisions generate environments characterized by temperatures above 100 MeV (refs. 1,2 ), about 100,000 times hotter than the centre of the Sun. At present, it is therefore unclear how light (anti)nuclei with mass num…
View article: Observation of the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"> <mml:mrow> <mml:mi mathvariant="normal">Ω</mml:mi> <mml:mo stretchy="false">(</mml:mo> <mml:mn>2012</mml:mn> <mml:mo stretchy="false">)</mml:mo> </mml:mrow> </mml:math> baryon at the LHC
Observation of the baryon at the LHC Open
A signal consistent with the Ω ( 2012 ) baryon has been observed with a significance of 15 σ in pp collisions at s = 13 TeV at the LHC. In this paper, the analysis technique is described and measurements of the mass and wid…
View article: Measurement of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>ω</mml:mi></mml:math> meson production in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>p</mml:mi><mml:mi>p</mml:mi></mml:mrow></mml:math> and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>p</mml:mi></mml:math>-Pb collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msqrt><mml:msub><mml:mi>s</mml:mi><mml:mrow><mml:mi>N</mml:mi><mml:mi>N</mml:mi></mml:mrow></mml:msub></mml:msqrt><mml:mo>=</mml:mo><mml:mn>5.02</mml:mn></mml:mrow></mml:math> TeV
Measurement of meson production in and -Pb collisions at TeV Open
We present the measurement of the pT-differential production cross section of ω mesons in and p-Pb collisions at sNN=5.02 TeV at midrapidity by ALICE. In addition, the first measurement of the nuclear modification factor RpPb for ω mesons …
View article: CEPC Technical Design Report -- Reference Detector
CEPC Technical Design Report -- Reference Detector Open
The Circular Electron Positron Collider (CEPC) is a large international scientific project initiated by China's particle physicists to study the Higgs boson and perform critical tests of the Standard Model. Housed in a 100-km circumference…
View article: Measurement of correlations among net-charge, net-proton, and net-kaon multiplicity distributions in Pb-Pb collisions at $$\sqrt{{{\varvec{s}}}_{\mathbf{N}\mathbf{N}}}$$ = 5.02 TeV
Measurement of correlations among net-charge, net-proton, and net-kaon multiplicity distributions in Pb-Pb collisions at $$\sqrt{{{\varvec{s}}}_{\mathbf{N}\mathbf{N}}}$$ = 5.02 TeV Open
A bstract Correlations among conserved quantum numbers, such as the net-electric charge, the net-baryon, and the net-strangeness in heavy-ion collisions, are crucial for exploring the QCD phase diagram. In this paper, these correlations ar…
View article: Antibiotic price disparities: A comparative analysis of Jan Aushadhi, National Pharmaceutical Pricing Authority and commercial markets
Antibiotic price disparities: A comparative analysis of Jan Aushadhi, National Pharmaceutical Pricing Authority and commercial markets Open
Objectives: Access to affordable antibiotics is essential for public health, particularly in low- and middle-income countries like India. However, significant price disparities exist across different pricing models, including Jan Aushadhi …
View article: Investigating the $$\mathbf {\text {p--}\uppi ^{\pm }}$$ and $$\mathbf {\text {p--p--}\uppi ^{\pm }}$$ dynamics with femtoscopy in pp collisions at $$\mathbf {\sqrt{\textit{s}}=13}$$ TeV
Investigating the $$\mathbf {\text {p--}\uppi ^{\pm }}$$ and $$\mathbf {\text {p--p--}\uppi ^{\pm }}$$ dynamics with femtoscopy in pp collisions at $$\mathbf {\sqrt{\textit{s}}=13}$$ TeV Open
The interaction between pions and nucleons plays a crucial role in hadron physics. It represents a fundamental building block of the low-energy QCD dynamics and is subject to several resonance excitations. This work studies the $$\text {p-…
View article: Dielectron production in central Pb-Pb collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:msqrt> <mml:msub> <mml:mi>s</mml:mi> <mml:mrow> <mml:mi>N</mml:mi> <mml:mi>N</mml:mi> </mml:mrow> </mml:msub> </mml:msqrt> <mml:mo>=</mml:mo> <mml:mn>5.02</mml:mn> <mml:mspace width="0.28em"/> <mml:mi>TeV</mml:mi> </mml:mrow> </mml:math>
Dielectron production in central Pb-Pb collisions at Open
The first measurement of the e + e − pair production at midrapidity and low invariant mass in central Pb-Pb collisions at s N N = 5.02 TeV at the Large Hadron Collider is presented. The yield of e + e − p…
View article: Workload Analysis System Optimization through the Integration of an Interactive Dashboard
Workload Analysis System Optimization through the Integration of an Interactive Dashboard Open
In the era of digital transformation and bureaucratic reform, optimizing organizational performance in police institutions demands effective workload management. Workload analysis (Analisis Beban Kerja/ABK) is essential for ensuring fair t…
View article: Optimal solution of fractional equal width equations
Optimal solution of fractional equal width equations Open
That’s a great summary of a research paper on the applications of the optimal homotopy asymptotic method (OHAM). In this article, applications of the OHAM modified for equal wave equations are studied. For Fractional Optimal Homotopy Asymp…
View article: J/ψ-hadron correlations at midrapidity in pp collisions at $$ \sqrt{s} $$ = 13 TeV
J/ψ-hadron correlations at midrapidity in pp collisions at $$ \sqrt{s} $$ = 13 TeV Open
A bstract We report on the measurement of inclusive, non-prompt, and prompt J/ ψ -hadron correlations by the ALICE Collaboration at the CERN Large Hadron Collider in pp collisions at a center-of-mass energy of 13 TeV. The correlations are …
View article: First measurement of symmetric cumulants of hexagonal flow harmonics in Pb-Pb collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msqrt><mml:msub><mml:mi>s</mml:mi><mml:mrow><mml:mi>N</mml:mi><mml:mi>N</mml:mi></mml:mrow></mml:msub></mml:msqrt><mml:mo>=</mml:mo><mml:mn>5.02</mml:mn></mml:mrow></mml:math> TeV
First measurement of symmetric cumulants of hexagonal flow harmonics in Pb-Pb collisions at TeV Open
Correlations between event-by-event fluctuations of anisotropic flow harmonics are measured in Pb-Pb collisions at a center-of-mass energy per nucleon pair of 5.02 TeV, as recorded by the ALICE detector at the LHC. This study presents corr…
View article: Modification of optimal homotopy asymptotic method for fractional heat equations
Modification of optimal homotopy asymptotic method for fractional heat equations Open
In the present paper,Optimal Homotopy Asymptotic Method (OHAM) is used to solve fractional order heat equations.These equation,Which are essential in various scientific and engineering fields,, can present significant challenges due to com…
View article: Proton emission in ultraperipheral Pb-Pb collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msqrt><mml:msub><mml:mi>s</mml:mi><mml:mrow><mml:mi>N</mml:mi><mml:mi>N</mml:mi></mml:mrow></mml:msub></mml:msqrt><mml:mo>=</mml:mo><mml:mn>5.02</mml:mn></mml:mrow></mml:math> TeV
Proton emission in ultraperipheral Pb-Pb collisions at TeV Open
The first measurements of proton emission accompanied by neutron emission in the electromagnetic dissociation (EMD) of Pb208 nuclei in the ALICE experiment at the Large Hadron Collider are presented. The EMD protons and neutrons emitted at…
View article: Illustration of antihyperhelium-4 created in a heavy-ion collision
Illustration of antihyperhelium-4 created in a heavy-ion collision Open
Illustration of antihyperhelium-4 created in a heavy-ion collision. The illustration was created with AI assistance.
View article: Multimuons in cosmic-ray events as seen in ALICE at the LHC
Multimuons in cosmic-ray events as seen in ALICE at the LHC Open
ALICE is a large experiment at the CERN Large Hadron Collider. Located 52 meters underground, its detectors are suitable to measure muons produced by cosmic-ray interactions in the atmosphere. In this paper, the studies of the cosmic muons…
View article: Evidence for J/$ψ$ suppression in incoherent photonuclear production
Evidence for J/$ψ$ suppression in incoherent photonuclear production Open
According to quantum chromodynamics, at sufficiently high energy, the structure of hadrons reveals a dynamic equilibrium between gluon splitting and gluon recombination -- a phenomenon known as saturation. The process of diffractive photon…
View article: Measurement of the inclusive isolated-photon production cross section in pp collisions at $$\mathbf {\sqrt{\textit{s}}=13}$$ TeV
Measurement of the inclusive isolated-photon production cross section in pp collisions at $$\mathbf {\sqrt{\textit{s}}=13}$$ TeV Open
The production cross section of inclusive isolated photons has been measured by the ALICE experiment at the CERN LHC in pp collisions at centre-of-momentum energy of $$\sqrt{s} =13$$ TeV collected during the LHC Run 2 data-taking per…
View article: Investigating <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi mathvariant="normal">Λ</mml:mi></mml:math> baryon production in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>p</mml:mi></mml:math>-Pb collisions in jets and the underlying event using angular correlations
Investigating baryon production in -Pb collisions in jets and the underlying event using angular correlations Open
First measurements of hadron-Λ (h−Λ) azimuthal angular correlations in p-Pb collisions at sNN =5.02 TeV using the ALICE detector at the Large Hadron Collider are presented. These correlations are used to separate the production of associat…