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The high-multiplicity pp collisions at the Large Hadron Collider energies with various heavy-ion-like signatures have warranted a deeper understanding of the underlying physics and particle production mechanisms. It is a common practice to…

High Energy Physics - Phenomenology · Physics 2020-10-08 Suman Deb , Sushanta Tripathy , Golam Sarwar , Raghunath Sahoo , Jan-e Alam

In this Letter, comprehensive results on ${\rm\pi}^\pm$, K$^\pm$, K$^0_S$, p, $\rm\bar{p}$, $\rm \Lambda$ and $\rm \bar{\Lambda}$ production at mid-rapidity ($0 < y_{\rm cms} < 0.5$) in p-Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV,…

Nuclear Experiment · Physics 2014-09-16 ALICE Collaboration

Multi-strange baryons are of particular interest in the understanding of particle production mechanisms, as their high strangeness content makes them susceptible to changes in the hadrochemistry of the colliding systems. In ALICE, these…

Nuclear Experiment · Physics 2019-08-13 Didier Alexandre

Results on the transverse spherocity dependence of light-flavor particle production ($\pi$, K, p, $\phi$, ${\rm K^{*0}}$, ${\rm K}^{0}_{\rm{S}}$, $\Lambda$, $\Xi$) at midrapidity in high-multiplicity pp collisions at $\sqrt{s} = 13$ TeV…

High Energy Physics - Experiment · Physics 2024-06-10 ALICE Collaboration

The production mechanism of (anti)nuclei in ultrarelativistic hadronic collisions is under intense debate in the scientific community. The description of the experimental measurements is currently based on two competing phenomenological…

Nuclear Experiment · Physics 2022-09-20 Chiara Pinto

This paper presents the first measurements of $\Xi$ and $\Omega$ hyperon yields at the highest multiplicities reached in pp collisions at $\sqrt{s} = 13$ TeV. This measurement exploits the high-multiplicity pp collisions collected by ALICE…

Nuclear Experiment · Physics 2026-03-23 ALICE Collaboration

The energy densities reached in high-energy hadronic collisions at the LHC allow significant production of light (anti)nuclei. Their production yields have been measured as a function of $p_{\rm T}$ and charged-particle multiplicity in…

Nuclear Experiment · Physics 2022-02-16 Chiara Pinto

The ALICE experiment has been taking data since 2009, with proton and lead beams. In this paper, the different particle identification techniques used by the experiment are briefly reviewed. The current results on identified particle…

High Energy Physics - Experiment · Physics 2019-08-13 M. Floris

The measurement of primary $\pi^{\pm}$, K$^{\pm}$, p and $\overline{p}$ production at mid-rapidity ($|y| <$ 0.5) in proton-proton collisions at $\sqrt{s} = 7$ TeV performed with ALICE (A Large Ion Collider Experiment) at the Large Hadron…

Nuclear Experiment · Physics 2015-10-13 ALICE Collaboration

Recently, the so-called relative transverse activity classifier, $R_{\rm T}$, has been proposed as a tool to disentangle the particle production originated from the soft and hard QCD processes in proton-proton (pp) collisions. $R_{\rm T}$…

High Energy Physics - Phenomenology · Physics 2021-07-28 Gyula Bencedi , Antonio Ortiz , Antonio Paz

A study of prompt and non-prompt J/$\psi$ production as a function of charged-particle multiplicity in inelastic proton--proton (pp) collisions at a centre-of-mass energy of $\sqrt{s}$ = 13 TeV based on calculations using the PYTHIA8 Monte…

Nuclear Theory · Physics 2019-02-20 S. G. Weber , A. Dubla , A. Andronic , A. Morsch

Particle ratios provide insight into the hadrochemistry of the event and the mechanisms for particle production. In Pb-Pb collisions the relative multi-strange baryon yields exhibit an enhancement with respect to pp collisions, whereas the…

High Energy Physics - Experiment · Physics 2016-10-07 Antonio Ortiz

In this work the results on the transverse momentum distributions ($\sim0.3<p_{\rm T}<15$ GeV/$c$) of charged pions, kaons and (anti)protons, measured in $\rm pp$ and $\rm Pb-Pb$ collisions at $\sqrt{s_{\rm NN}}=2.76$ TeV and in $\rm p-Pb$…

High Energy Physics - Experiment · Physics 2019-08-13 Antonio Ortiz

Thanks to the unique detector design adopted to fulfill tracking and particle-identification (PID) requirements (e.g. low momentum cut-off and low material budget), the ALICE experiment provides significant information about hadron…

High Energy Physics - Experiment · Physics 2019-08-21 Roberto Preghenella

We report on two-particle charge-dependent correlations in pp, p-Pb, and Pb-Pb collisions as a function of the pseudorapidity and azimuthal angle difference, $\mathrm{\Delta}\eta$ and $\mathrm{\Delta}\varphi$ respectively. These…

Nuclear Experiment · Physics 2016-03-25 ALICE Collaboration

Transverse spherocity is an event shape observable, which separates the events based on their geometrical shapes. In this work, we use transverse spherocity to study the identified light flavor production in heavy-ion collisions using A…

High Energy Physics - Phenomenology · Physics 2022-06-16 Neelkamal Mallick , Sushanta Tripathy , Raghunath Sahoo

Event-by-event fluctuations of the mean transverse momentum of charged particles produced in Pb-Pb and Xe-Xe collisions at $\sqrt{s_{\rm{NN}}}$ = 5.02 TeV and $\sqrt{s_{\rm{NN}}}$ = 5.44 TeV, respectively, are studied as a function of the…

Nuclear Experiment · Physics 2022-11-29 Tulika Tripathy

Event-by-event fluctuations in the multiplicities of charged particles and photons, and the total transverse energy in 158$\cdot A$ GeV Pb+Pb collisions are studied for a wide range of centralities. For narrow centrality bins the…

Nuclear Experiment · Physics 2011-07-18 M. M. Aggarwal

Forward-backward multiplicity correlations have been studied in electron-positron, proton-proton and more recently in lead-lead collisions. For the proton-proton case, comparison of experimental results to different models reveals an…

High Energy Physics - Phenomenology · Physics 2019-09-04 Eleazar Cuautle , Edgar Dominguez , Ivonne Maldonado

Two-particle azimuthal correlations are measured with the ALICE apparatus in pp collisions at $\sqrt{s} = 13$ TeV to explore strangeness- and multiplicity-related effects in the fragmentation of jets and the transition regime between bulk…

Nuclear Experiment · Physics 2022-04-06 ALICE Collaboration