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Related papers: Multi-Parton Interactions in pp collisions from Ma…

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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

Over the last years, Machine Learning (ML) tools have been successfully applied to a wealth of problems in high-energy physics. In this work, we discuss the extraction of the average number of Multiparton Interactions ($\langle N_{\rm mpi}…

High Energy Physics - Phenomenology · Physics 2021-10-12 Erik Zepeda , Antonio Ortiz

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 production mechanism of quarkonia states in hadronic collisions is still to be understood by the scientific community. In high-multiplicity $p+p$ collisions, Underlying Event (UE) observables are of major interest. The Multi-Parton…

High Energy Physics - Phenomenology · Physics 2018-05-16 Dhananjaya Thakur , Sudipan De , Raghunath Sahoo , Soumya Dansana

Small system collectivity observed at the LHC energies along with enhancement of strangeness makes high-multiplicity proton+proton (pp) collisions very interesting in order to look for QGP-like features, usually found in heavy-ion…

High Energy Physics - Phenomenology · Physics 2021-01-26 Arvind Khuntia , Sushanta Tripathy , Ashish Bisht , Raghunath Sahoo

At the LHC energies, the underlying observables are of major topic of interest in high multiplicity $p+p$ collisions. Multiple Parton Interactions (MPI) is one of them, in which several interactions occur in a single $p+p$ collision. It is…

High Energy Physics - Phenomenology · Physics 2018-10-08 Raghunath Sahoo , Dhananjaya Thakur , Sudipan De , Soumya Dansana

Recent studies of high-multiplicity events in small collision systems (proton-proton and proton-lead) have drawn research interest towards the possibility of the formation of partonic medium in such systems. One of the important…

High Energy Physics - Phenomenology · Physics 2023-10-09 Prottoy Das , Abhi Modak , Debjani Banerjee , Rathijit Biswas , Supriya Das , Sanjay K. Ghosh , Sibaji Raha , Sidharth Kumar Prasad

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

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

The expression "multiple parton interactions" (MPI) denotes a conjectured QCD mechanism representing contributions from secondary (semi)hard parton scattering to the transverse azimuth region (TR) of jet-triggered p-p collisions. MPI is an…

High Energy Physics - Phenomenology · Physics 2015-06-23 Thomas A. Trainor

In inelastic $p+p$ collisions, the interacting objects are quarks and gluons (partons). It is believed that there are multiple interactions between the partons in a single $p+p$ event. Recent studies of multiplicity dependence of particle…

High Energy Physics - Phenomenology · Physics 2020-05-21 Suman Deb , Dhananjaya Thakur , Sudipan De , Raghunath Sahoo

One of the most poorly understood phenomenon in hadron collisions, is the so called multiple parton interaction (MPI). Apart from one quark or gluon each from each colliding proton, additional quarks or gluons can interact as well, and…

High Energy Physics - Phenomenology · Physics 2015-11-11 Tasnuva Chowdhury , Deepak Kar

Multiple-parton interactions play a vital role in hadron-hadron collisions. This paper presents a study of the multiple-parton interactions with simulated Z + jets events in proton-proton collisions at a centre-of-mass energy of 13 TeV. The…

High Energy Physics - Phenomenology · Physics 2019-05-02 M. Bansal , S. Bansal , R. Kumar , J. B. Singh

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

The increase of strange-particle yields relative to pions versus charged-particle multiplicity in proton-proton (pp) collisions at the LHC is usually described by microscopic or hydrodynamical models as a result of the increasing density of…

High Energy Physics - Phenomenology · Physics 2021-09-14 Constantin Loizides , Andreas Morsch

The expected rate for Multiple Parton Interactions (MPI) at the LHC is large. This requires an estimate of their impact on all measurement foreseen at the LHC while opening unprecendented opportunities for a detailed study of these…

High Energy Physics - Phenomenology · Physics 2009-06-23 Ezio Maina

This study presents a comprehensive analysis of particle production in proton-proton ($pp$) collisions at $\sqrt{s}$ = 7 TeV using Pythia~8 event generator. We investigate the transverse momentum $p_T$ spectra of light charged hadrons…

High Energy Physics - Phenomenology · Physics 2024-04-09 Rabia Bashir , Ramoona Shahzadi , M. U. Ashraf

A deailed knowledge of pp collision is required both as input to comprehensive theoretical models of strong interactions and as baseline to decipher the AA collisions at relativistic and ultrarelativistic energies, which has been of great…

High Energy Physics - Experiment · Physics 2020-03-30 Susmita Bhaduri , Anirban Bhaduri , Dipak Ghosh

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
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