English
Related papers

Related papers: Flattenicity as "centrality" estimator in p-Pb col…

200 papers

In this paper, we study the balance functions for pions, kaons, and protons in Pb--Pb collisions at $\sqrt{s_{\mathrm{NN}}} = 2.76$ TeV using the PYTHIA 8.3 + Angantyr model. The balance function is evaluated through two-particle azimuthal…

High Energy Physics - Phenomenology · Physics 2026-04-29 Rashi Gupta , Ankhi Roy

Event classifiers based either on the charged-particle multiplicity or the event shape have been extensively used in proton-proton (pp) collisions by the ALICE collaboration at the LHC. The use of these tools became very instrumental since…

High Energy Physics - Phenomenology · Physics 2023-04-26 Antonio Ortiz , Arvind Khuntia , Omar Vázquez-Rueda , Sushanta Tripathy , Gyula Bencedi , Suraj Prasad , Feng Fan

This paper reports the first measurement of the transverse momentum ($p_{\mathrm{T}}$) spectra of primary charged pions, kaons, (anti)protons, and unidentified particles as a function of the charged-particle flattenicity in pp collisions at…

High Energy Physics - Experiment · Physics 2025-02-03 ALICE Collaboration

The motivation behind exploring jet quenching-like phenomena in small systems arises from the experimental observation of heavy-ion-like behavior of particle production in high-multiplicity proton-proton ($p+p$) collisions. Quantifying the…

High Energy Physics - Phenomenology · Physics 2023-11-14 Hushnud Hushnud , Omveer Singh , Srikanta Kumar Tripathy , Aditya Nath Mishra , Kalyan Dey

The centrality dependence of the mean charged-particle multiplicity as a function of pseudorapidity is measured in approximately 1 $\mu$b$^{-1}$ of proton--lead collisions at a nucleon--nucleon centre-of-mass energy of…

High Energy Physics - Experiment · Physics 2016-05-04 ATLAS Collaboration

We report measurements of the primary charged particle pseudorapidity density and transverse momentum distributions in p-Pb collisions at $\sqrt{s_{\rm NN}}$ = 5.02 TeV, and investigate their correlation with experimental observables…

Nuclear Experiment · Physics 2016-11-15 ALICE Collaboration

Event-by-event fluctuations of the charged particle multiplicity are studied for a wide range of centralities for Au$-$Au collisions at $\sqrt{s_{NN}}$ = 200 GeV, Pb$-$Pb collisions at $\sqrt{s_{NN}}$ = 2.76 TeV and 5.02 TeV using the…

High Energy Physics - Phenomenology · Physics 2024-03-05 Pritindra Bhowmick , Sadhana Dash , Basanta Nandi , Claude Pruneau

We present a Bayesian method to reconstruct event-by-event multiplicity fluctuations and rapidity correlations in p+Pb collisions at zero impact parameter from minimum-bias data, without assuming any model of the collision dynamics. We test…

Nuclear Theory · Physics 2023-02-07 Mathis Pepin , Peter Christiansen , Stéphane Munier , Jean-Yves Ollitrault

The measurement of hard scatterings in proton-nucleus collisions has resulted in a greater understanding of both the proton and nuclear structure. ATLAS measured the centrality dependence of the dijet yield using 165 nb$^{-1}$ of $p$+Pb…

Nuclear Experiment · Physics 2024-04-09 The ATLAS Collaboration

The LHC data have unveiled unexpected features in proton-proton (pp) collisions, namely, collective-like behavior and strangeness enhancement. Originally, these new effects were discovered only in high-multiplicity pp collisions. However,…

High Energy Physics - Phenomenology · Physics 2026-03-03 Jesús Eduardo Muñoz Méndez , Antonio Ortiz

We study the dynamics of identified, strange, and multi-strange particle production in Pb--Pb collisions at $\sqrt{s_{\rm NN}}$ = 2.76 TeV using the recently developed Angantyr model, incorporated within PYTHIA8. We show the interplay…

Nuclear Theory · Physics 2022-03-14 Ravindra Singh , Yoshini Bailung , Ankhi Roy

Local density fluctuations are expected to scale as a universal power-law when the system approaches critical point. Such power-law fluctuations are studied within the framework of intermittency through the measurement of normalized…

Nuclear Experiment · Physics 2022-11-29 Salman Khurshid Malik , Ramni Gupta

Mid-rapidity production of $\pi^{\pm}$, $\rm{K}^{\pm}$ and ($\bar{\rm{p}}$)p measured by the ALICE experiment at the LHC, in Pb-Pb and inelastic pp collisions at $\sqrt{s_{\rm{NN}}}$ = 5.02 TeV, is presented. The invariant yields are…

Nuclear Experiment · Physics 2020-06-17 ALICE Collaboration

We present the first wide-range measurement of the charged-particle pseudorapidity density distribution, for different centralities (the 0-5%, 5-10%, 10-20%, and 20-30% most central events) in Pb-Pb collisions at $\sqrt{s_{\rm NN}} = 2.76$…

Nuclear Experiment · Physics 2016-01-08 ALICE Collaboration

The ALICE Collaboration reports its first LHC Run 3 measurements of charged-particle pseudorapidity density at midrapidity in Pb-Pb collisions at a centre-of-mass energy per nucleon pair of $\sqrt{s_{\mathrm{NN}}}=5.36$ TeV. Particle…

Nuclear Experiment · Physics 2025-04-04 ALICE Collaboration

Measurements of particle production in proton-nucleus collisions provide a reference to disentangle final state effects, i.e. signatures of the formation of a deconfined hot medium, from initial state effects, already present in cold…

Nuclear Experiment · Physics 2015-06-19 Alberica Toia

We present the centrality dependence of particle production in p-Pb collisions at sqrt(s_NN)= 5.02 TeV measured by the ALICE experiment, including the pseudo-rapidity and transverse momentum spectra, with a special emphasis on the event…

Nuclear Experiment · Physics 2019-08-13 Alberica Toia

The PYTHIA Monte Carlo (PMC) has been applied broadly to simulations of high-energy $p$-$p$ and $p$-$\bar p$ collisions. The PMC is based on several assumptions, such as that most hadrons result from jet production (multiple parton…

High Energy Physics - Phenomenology · Physics 2019-05-22 Thomas A. Trainor

Measurements of charged jet production as a function of centrality are presented for p-Pb collisions recorded at $\sqrt{s_{\rm NN}} = 5.02$ TeV with the ALICE detector. Centrality classes are determined via the energy deposit in neutron…

Nuclear Experiment · Physics 2016-06-14 ALICE Collaboration

The centrality dependence of the charged-particle pseudorapidity density measured with ALICE in Pb-Pb collisions at $\sqrt{s_{\rm NN}}$ over a broad pseudorapidity range is presented. This Letter extends the previous results reported by…

Nuclear Experiment · Physics 2016-03-18 ALICE Collaboration
‹ Prev 1 2 3 10 Next ›