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Related papers: Multiparton Interactions in pp collisions from Mac…

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Over the last years, Machine Learning (ML) methods have been successfully applied to a wealth of problems in high-energy physics. For instance, in a previous work we have reported that using ML techniques one can extract the Multiparton…

High Energy Physics - Phenomenology · Physics 2021-07-15 Antonio Ortiz , Erik Zepeda

Multi-Parton Interactions (MPI) in pp collisions have attracted the attention of the heavy-ion community since they can help to elucidate the origin of collective-like effects discovered in small collision systems at the LHC. In this work,…

High Energy Physics - Phenomenology · Physics 2020-10-28 Antonio Ortiz , Antonio Paz , Jose D. Romo , Sushanta Tripathy , Erik A. Zepeda , Irais Bautista

At the LHC collision energies, multiple parton interactions (MPI) are a key ingredient for particle production models including hard scale processes like heavy-quark production (charm and beauty). Quarkonium measurements in…

High Energy Physics - Experiment · Physics 2020-08-14 Manuel Guittière

The average transverse momentum $\langle p_{\rm T}\rangle$ versus the charged-particle multiplicity $N_{\rm ch}$ was measured in p-Pb collisions at a collision energy per nucleon-nucleon pair $\sqrt{s_{\rm NN}}=5.02$ TeV and in pp…

Nuclear Experiment · Physics 2014-11-04 ALICE Collaboration

We present our analysis of the available experimental data on correlation between mean transverse momentum and charged particles multiplicity ($\langle p_T \rangle$-$N_{ch}$) at central rapidity in $pp$ and $p\bar{p}$ collisions at…

High Energy Physics - Phenomenology · Physics 2014-10-16 E. O. Bodnya , V. N. Kovalenko , A. M. Puchkov , G. A. Feofilov

Event classifiers based either on the charged-particle multiplicity or on event topologies, such as spherocity and underlying event, became very useful tools to study collective-like behaviors in small collision systems. However,…

High Energy Physics - Experiment · Physics 2023-12-19 Gyula Bencédi

The study of the sphericity of primary charged particles in minimum bias proton-proton collisions at 0.9, 2.76 and 7 TeV with the ALICE detector at the LHC is presented. The mean sphericity as a function of multiplicity is reported for…

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

Measurements of primary charged hadron multiplicity distributions are presented for non-single-diffractive events in proton-proton collisions at centre-of-mass energies of sqrt(s) = 0.9, 2.36, and 7 TeV, in five pseudorapidity ranges from…

High Energy Physics - Experiment · Physics 2012-08-27 CMS Collaboration

The study of identified particle production in proton-proton (pp) collisions as a function of center-of-mass energy ($\sqrt{s}$) and event charged-particle multiplicity is a key tool for understanding similarities and differences between…

High Energy Physics - Experiment · Physics 2018-01-11 Gyula Bencedi

The ALICE detector at the LHC is used to study the properties of the Quark-Gluon Plasma produced in heavy-ion collisions. As a reference measurement, also the analysis of proton-proton (pp) collisions is very important. In the study…

Nuclear Experiment · Physics 2019-08-13 S. T. Heckel

The mid-rapidity charged particle multiplicities in pp and AA collisions at LHC energies are described in the framework of a generalized eikonal model with shadowing corrections incorporated in AA. We show that the pp data require a Pomeron…

High Energy Physics - Phenomenology · Physics 2015-06-03 A. Capella , E. G. Ferreiro

This paper presents the measurements of $\pi^{\pm}$, $\rm{K}^{\pm}$, $\rm{p}$ and $\bar{\rm{p}}$ transverse momentum ($p_{\rm{T}}$) spectra as a function of charged-particle multiplicity density in proton-proton (pp) collisions at…

Nuclear Experiment · Physics 2021-03-15 ALICE Collaboration

We study multiplicity correlations of hadrons in forward and backward hemispheres in $pp$ inelastic interactions at energies 200GeV $\leq \sqrt{s} \leq$ 13TeV within the microscopic quark-gluon string model. The model correctly describes…

High Energy Physics - Phenomenology · Physics 2018-11-16 L. V. Bravina , J. Bleibel , E. E. Zabrodin

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 momentum-differential invariant cross sections of ${\pi^{0}}$ and $\eta$ 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…

High Energy Physics - Experiment · Physics 2025-11-18 ALICE Collaboration

We show that the experimental data of mid-rapidity $p_{T}$ spectra for proton, $\Lambda$, $\Xi$ , $\Omega^{-}$, $\text{K(892)}^{*0}$ and $\Xi(1530)^{*0}$ in minimum-bias $pp$ collisions at $\sqrt{s}=7$ TeV can be systemically explained by…

High Energy Physics - Phenomenology · Physics 2017-11-22 Xing-rui Gou , Feng-lan Shao , Rui-qin Wang , Hai-hong Li , Jun Song

Event-by-event fluctuations of the mean transverse momentum of charged particles produced in pp collisions at $\sqrt{s}$ = 0.9, 2.76 and 7 TeV, and Pb-Pb collisions at $\sqrt{s_{NN}}$ = 2.76 TeV are studied as a function of the…

Nuclear Experiment · Physics 2014-12-23 ALICE Collaboration

High multiplicity proton-proton and proton-lead collisions at LHC energies exhibit similar signatures to those observed in Pb-Pb collisions (i.e. the strangeness enhancement, the ridge behaviours etc.), that were commonly attributed to the…

High Energy Physics - Experiment · Physics 2024-06-12 Navneet Kumar

The study of identified particle production as a function of transverse momentum ($p_{\text{T}}$) and event multiplicity in proton-proton (pp) collisions at different center-of-mass energies ($\sqrt{s}$) is a key tool for understanding…

High Energy Physics - Experiment · Physics 2019-08-13 Vytautas Vislavicius

In this work we explore the possibility to perform ``effective energy'' studies in very high energy collisions at the CERN Large Hadron Collider (LHC). In particular, we focus on the possibility to measure in $pp$ collisions the average…

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