S. Acharya
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View article: Measurement of isolated prompt photon production in pp and p–Pb collisions at the LHC
Measurement of isolated prompt photon production in pp and p–Pb collisions at the LHC Open
This paper presents the measurement of the isolated prompt photon inclusive production cross section in pp and p–Pb collisions by the ALICE Collaboration at the LHC. The measurement is performed in p–Pb collisions at centre-of-mass energie…
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: Exclusive photoproduction of excited ρ mesons decaying to four pions in ultraperipheral Pb–Pb collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si5.svg"> <mml:mrow> <mml:msqrt> <mml:msub> <mml:mtext mathvariant="bold-italic">s</mml:mtext> <mml:mtext>NN</mml:mtext> </mml:msub> </mml:msqrt> <mml:mo linebreak="goodbreak">=</mml:mo> <mml:mn mathvariant="bold">5</mml:mn> <mml:mo>.</mml:mo> <mml:mn mathvariant="bold">02</mml:mn> </mml:mrow> </mml:math> TeV
Exclusive photoproduction of excited ρ mesons decaying to four pions in ultraperipheral Pb–Pb collisions at TeV Open
View article: Strangeness production as a function of charged-particle multiplicity in proton-proton collisions at ${\bf \sqrt{s}~=~5.02}$ TeV
Strangeness production as a function of charged-particle multiplicity in proton-proton collisions at ${\bf \sqrt{s}~=~5.02}$ TeV Open
(Multi-)strange particle production rates and transverse momentum distributions are measured at midrapidity ($|y| < 0.5$) as a function of the charged-particle multiplicity density by the ALICE experiment at the LHC, using proton-proton co…
View article: Study of $$\langle {p}_{\text{T}}\rangle $$ and its higher moments, and extraction of the speed of sound in Pb-Pb collisions with ALICE
Study of $$\langle {p}_{\text{T}}\rangle $$ and its higher moments, and extraction of the speed of sound in Pb-Pb collisions with ALICE Open
A bstract Ultrarelativistic heavy-ion collisions produce a state of hot and dense strongly interacting QCD matter called quark-gluon plasma (QGP). On an event-by-event basis, the volume of the QGP in ultracentral collisions is mostly const…
View article: Strangeness enhancement at its extremes: multiple (multi-)strange hadron production in pp collisions at $\mathbf{\sqrt{\textit{s}} = 5.02}$ TeV
Strangeness enhancement at its extremes: multiple (multi-)strange hadron production in pp collisions at $\mathbf{\sqrt{\textit{s}} = 5.02}$ TeV Open
The probability to observe a specific number of strange and multi-strange hadrons ($n_s$), denoted as $P(n_s)$, is measured by ALICE at midrapidity ($|y|<0.5$) in $\sqrt{s} = 5.02$ TeV proton-proton (pp) collisions, dividing events into se…
View article: Time resolution of the ALICE Time-Of-Flight detector with the first Run 3 pp collisions at ${\bf \sqrt{\textit{s}} = 13.6}$ TeV
Time resolution of the ALICE Time-Of-Flight detector with the first Run 3 pp collisions at ${\bf \sqrt{\textit{s}} = 13.6}$ TeV Open
Particle identification (PID) is a fundamental aspect of the ALICE detector system, central to its heavy-ion and proton-proton physics programs. Among the different PID strategies, ALICE uses the Time-Of-Flight (TOF) detector to identify p…
View article: Centrality dependence of strange particle production in Pb-Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV
Centrality dependence of strange particle production in Pb-Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV Open
The centrality dependence of strange ($K_S^0$, $Λ+ \barΛ$) and multi-strange ($Ξ^- + \bar{Ξ^+}$, $Ω^- + \barΩ^+$) hadron production is measured by ALICE in the LHC lead-lead (Pb-Pb) collisions at a center-of-mass energy per nucleon pair $\…
View article: Observation of the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"> <mml:mrow> <mml:mi mathvariant="normal">Ω</mml:mi> <mml:mo stretchy="false">(</mml:mo> <mml:mn>2012</mml:mn> <mml:mo stretchy="false">)</mml:mo> </mml:mrow> </mml:math> baryon at the LHC
Observation of the baryon at the LHC Open
A signal consistent with the Ω ( 2012 ) baryon has been observed with a significance of 15 σ in pp collisions at s = 13 TeV at the LHC. In this paper, the analysis technique is described and measurements of the mass and wid…
View article: Femtoscopic study of the proton-proton and proton-deuteron systems in heavy-ion collisions at the LHC
Femtoscopic study of the proton-proton and proton-deuteron systems in heavy-ion collisions at the LHC Open
View article: Measurement of the p$-Σ^+$ correlation function in pp collisions at $\sqrt{\textit{s}}=13$ TeV
Measurement of the p$-Σ^+$ correlation function in pp collisions at $\sqrt{\textit{s}}=13$ TeV Open
In this letter, the first measurement of the femtoscopic correlation of protons and $Σ^+$ hyperons is presented and used to study the p$-Σ^+$ interaction. The measurement is performed with the ALICE detector in high-multiplicity triggered …
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: First measurement of D*+ vector meson spin alignment in Pb–Pb collisions at $$\sqrt{{s}_{\text{NN}}}={5}.0{2}$$ TeV
First measurement of D*+ vector meson spin alignment in Pb–Pb collisions at $$\sqrt{{s}_{\text{NN}}}={5}.0{2}$$ TeV Open
View article: Evidence of nuclear geometry-driven anisotropic flow in OO and Ne$-$Ne collisions at $\mathbf{\sqrt{{\textit s}_{\rm\mathbf {NN}}}}$ = 5.36 TeV
Evidence of nuclear geometry-driven anisotropic flow in OO and Ne$-$Ne collisions at $\mathbf{\sqrt{{\textit s}_{\rm\mathbf {NN}}}}$ = 5.36 TeV Open
A central question in strong-interaction physics, governed by quantum chromodynamics (QCD), is whether femto-scale droplets of quark$-$gluon plasma (QGP) form in small collision systems involving projectiles significantly smaller than heav…
View article: Charged-particle multiplicity distributions over a wide pseudorapidity range in p–Pb collisions at $$\sqrt{{{\varvec{s}}}_{{\textbf {NN}}}}={\textbf {5.02}}$$ TeV
Charged-particle multiplicity distributions over a wide pseudorapidity range in p–Pb collisions at $$\sqrt{{{\varvec{s}}}_{{\textbf {NN}}}}={\textbf {5.02}}$$ TeV Open
View article: $Σ^{+}$ production in pp collisions at $\sqrt{s} = 13$ TeV
$Σ^{+}$ production in pp collisions at $\sqrt{s} = 13$ TeV Open
The measurement of $Σ^{+}$ production in pp collisions at $\sqrt{s} = 13$ TeV is presented. The measurement is performed at midrapidity in both minimum-bias and high-multiplicity pp collisions at $\sqrt{s} = 13$ TeV. The $Σ^{+}$ is reconst…
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: 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 $$\text {p-…
View article: Dielectron production in central Pb-Pb collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:msqrt> <mml:msub> <mml:mi>s</mml:mi> <mml:mrow> <mml:mi>N</mml:mi> <mml:mi>N</mml:mi> </mml:mrow> </mml:msub> </mml:msqrt> <mml:mo>=</mml:mo> <mml:mn>5.02</mml:mn> <mml:mspace width="0.28em"/> <mml:mi>TeV</mml:mi> </mml:mrow> </mml:math>
Dielectron production in central Pb-Pb collisions at Open
The first measurement of the e + e − pair production at midrapidity and low invariant mass in central Pb-Pb collisions at s N N = 5.02 TeV at the Large Hadron Collider is presented. The yield of e + e − p…
View article: First direct access to the $ρ^0$p interaction via correlation studies at the LHC
First direct access to the $ρ^0$p interaction via correlation studies at the LHC Open
Direct measurements of the $ρ^0$p interaction have remained so far elusive, with most insights derived indirectly from photoproduction or low-energy partial wave analyses. This letter presents the first direct observation of the $ρ^0$p int…
View article: Multiplicity dependence of $Ξ_c^+$ and $Ξ_c^0$ production in pp collisions at $\sqrt{s} = 13$ TeV
Multiplicity dependence of $Ξ_c^+$ and $Ξ_c^0$ production in pp collisions at $\sqrt{s} = 13$ TeV Open
The first measurement at midrapidity ($|y| < 0.5$) of the production yield of the strange-charm baryons $Ξ_c^+$ and $Ξ_c^0$ as a function of charged-particle multiplicity in proton-proton collisions at $\sqrt{s} = 13$ TeV with the ALICE ex…
View article: Measurements of differential two-particle number and transverse momentum correlation functions in pp collisions at $$\sqrt{\textit{s}}$$ = 13 TeV
Measurements of differential two-particle number and transverse momentum correlation functions in pp collisions at $$\sqrt{\textit{s}}$$ = 13 TeV Open
View article: Light neutral-meson production in pp collisions at $$\sqrt{\text{s}}$$ = 13 TeV
Light neutral-meson production in pp collisions at $$\sqrt{\text{s}}$$ = 13 TeV Open
A bstract The momentum-differential invariant cross sections of π 0 and η mesons are reported for pp collisions at $$\sqrt{s}$$ = 13 TeV at midrapidity ( |y| < 0 . 8). The measurement is performed in a broad transverse-momentum range of 0 …
View article: Dynamic eye-tracking on large screens: a 3D printed adjustable guide rail platform
Dynamic eye-tracking on large screens: a 3D printed adjustable guide rail platform Open
This paper provides a design solution to the existing problem of using eye trackers for large screens. Traditional eye trackers are limited to commercial and smaller-sized screens. However, as larger screens become increasingly popular and…
View article: Multiplicity dependence of f$_0$(980) production in pp collisions at $\sqrt{s} = 13$ TeV
Multiplicity dependence of f$_0$(980) production in pp collisions at $\sqrt{s} = 13$ TeV Open
The dependence of f$_0$(980) production on the final-state charged-particle multiplicity is reported for proton-proton (pp) collisions at the centre-of-mass energy, $\sqrt{s}= 13$ TeV. The production of f$_0$(980) is measured with the ALIC…
View article: Multiplicity-dependent inclusive J/ψ production at forward rapidity in pp collisions at $$ \sqrt{s} $$ = 13 TeV
Multiplicity-dependent inclusive J/ψ production at forward rapidity in pp collisions at $$ \sqrt{s} $$ = 13 TeV Open
View article: Medium-induced modification of azimuthal correlations of electrons from heavy-flavor hadron decays with charged particles in Pb-Pb collisions at $\sqrt{s_{\rm{NN}} = 5.02}$ TeV
Medium-induced modification of azimuthal correlations of electrons from heavy-flavor hadron decays with charged particles in Pb-Pb collisions at $\sqrt{s_{\rm{NN}} = 5.02}$ TeV Open
The azimuthal-correlation distributions between electrons from the decays of heavy-flavor hadrons and associated charged particles in Pb-Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV are reported for the 0-10% and 30-50% centrality class…
View article: $\overlineΣ^{\pm}$ production in pp and p-Pb collisions at $\sqrt{s_{\rm NN}}$ = 5.02 TeV with ALICE
$\overlineΣ^{\pm}$ production in pp and p-Pb collisions at $\sqrt{s_{\rm NN}}$ = 5.02 TeV with ALICE Open
The transverse momentum spectra and integrated yields of $\overlineΣ^{\pm}$ have been measured in pp and p-Pb collisions at $\sqrt{s_{\mathrm{NN}}} = 5.02$ TeV with the ALICE experiment. Measurements are performed via the newly accessed de…
View article: System size and energy dependence of the mean transverse momentum fluctuations at the LHC
System size and energy dependence of the mean transverse momentum fluctuations at the LHC Open