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Charged particle multiplicity fluctuations in Pb-Pb collisions are studied for the central events generated using EPOS3 (hydro and hydro+cascade) at $\sqrt{s_{\mathrm{NN}}}\text{ = 2.76 TeV}$. Intermittency analysis is performed in the…

High Energy Physics - Experiment · Physics 2020-05-11 Ramni Gupta , Salman Khurshid Malik

A natural framework to understand the energy dependence of bulk observables from lower energy experiments to the LHC is provided by the Color Glass Condensate, which leads to a "geometrical scaling" in terms of an energy dependent…

High Energy Physics - Phenomenology · Physics 2011-08-25 T. Lappi

An energy independent scaling of the near-side ridge yield at a given multiplicity has been observed by the ATLAS and the CMS collaborations in p+p collisions at s = 7 and 13 TeV. Such a striking feature of the data can be successfully…

High Energy Physics - Phenomenology · Physics 2022-09-13 Debojit Sarkar

Accelerating, exact, explicit and simple solutions of relativistic hydrodynamics allow for a simple description of highly relativistic p+p collisions. These solutions yield a finite rapidity distribution, thus they lead to an advanced…

High Energy Physics - Phenomenology · Physics 2017-10-19 Mate Csanad , Tamas Csorgo

I present a brief review of the existing models for particle multiplicity evaluation in heavy ion collisions which are at our disposal in the form of Monte Carlo simulators. Models are classified according to the physical mechanisms with…

High Energy Physics - Phenomenology · Physics 2009-11-10 N. Armesto

In statistical physics entropy is usually introduced as a global quantity which expresses the amount of information that would be needed to specify the microscopic configuration of a system. However, for lattice models with infinitely many…

Statistical Mechanics · Physics 2015-06-12 Ulrich Müller , Haye Hinrichsen

The entropy production in medium energy heavy-ion collisions is analyzed in terms of ratio of deuteronlike to protonlike clusters ($d_{like}/p_{like}$) using \emph{quantum molecular dynamics} (QMD) model. The yield ratios of…

Nuclear Theory · Physics 2014-11-21 Yogesh K. Vermani , Rajeev K. Puri

With the growth of statistics in the future experiments at the LHC, the number of events with charm production will increase substantially. It may become possible to measure the multiplicity distribution of charm particles. Using PYTHIA-8,…

High Energy Physics - Phenomenology · Physics 2025-12-23 Y. N. Lima , C. Jahnke , M. Munhoz , F. S. Navarra

The ALICE and CMS data on the multiplicity distributions are compared with the lower energy data and with the results from the 8.142 version of the PYTHIA MC event generator with two tunings. The ALICE data for moments are used to calculate…

High Energy Physics - Phenomenology · Physics 2011-02-22 K. Fialkowski , R. Wit

It is shown that an event sample from the Monte Carlo simulation of a random cascading \alpha model with fixed dynamical fluctuation strength is intermittent but not chaotic, while the variance of dynamical fluctuation strength in different…

High Energy Physics - Phenomenology · Physics 2007-05-23 Jinghua Fu , Lianshou Liu , Yuanfang Wu

The entropy of a spherically symmetric distribution of matter in self-equilibrium is calculated. When gravitational effects are neglected, the entropy of the system is proportional to its volume. As effects due to gravitational…

General Relativity and Quantum Cosmology · Physics 2010-05-12 Jonathan Oppenheim

We present and compare the predictions of various cosmic-ray Monte Carlo models for the energy (dE/deta) and particle (dN/deta) flows in p-p, p-Pb and Pb-Pb collisions at sqrt(s) = 14, 8.8, and 5.5 TeV respectively, in the range covered by…

Nuclear Experiment · Physics 2011-03-02 David d'Enterria , Ralph Engel , Thomas McCauley , Tanguy Pierog

A higher moment analysis of multiplicity distribution is performed using the Weibull description of particle production in $pp\,(p\bar{p})$ collisions at SPS and LHC energies. The calculated normalized moments and factorial moments of…

High Energy Physics - Phenomenology · Physics 2017-10-11 Ashutosh Kumar Pandey , Priyanka Sett , Sadhana Dash

We propose a further development of a multi-pomeron exchange model of pp and p$\bar p$ collisions at high energy. The model describes consistently multiplicity, transverse momentum of charged particles and their correlation in wide energy…

High Energy Physics - Phenomenology · Physics 2017-10-25 G. Feofilov , V. Kovalenko , A. Puchkov

We show that transport in the presence of entropic barriers exhibits peculiar characteristics which makes it distinctly different from that occurring through energy barriers. The constrained dynamics yields a scaling regime for the particle…

Statistical Mechanics · Physics 2009-11-11 D. Reguera , G. Schmid , P. S. Burada , J. M. Rubí , P. Hänggi

Boost-invariant hadron production in high energy collisions occurs in causally disconnected regions of finite space-time size. As a result, globally conserved quantum numbers (charge, strangeness, baryon number) are conserved locally in…

High Energy Physics - Phenomenology · Physics 2016-08-24 P. Castorina , H. Satz

We analyse the pp elastic scattering amplitudes using the recent LHC data, revisiting the model proposed by A. Martin based on analytic continuation and crossing symmetry. Introducing a new form for the scaling function we show that the…

High Energy Physics - Phenomenology · Physics 2017-10-20 A. K. Kohara

We investigate the role of partonic degrees of freedom in high multiplicity p-Pb collisions at $\sqrt{s_{NN}}=$ 5.02 TeV carried out at the Large Hadron Collider (LHC) by studying the production and collective flow of identified hadrons at…

Nuclear Theory · Physics 2020-09-22 Wenbin Zhao , Che Ming Ko , Yu-Xin Liu , Guang-You Qin , Huichao Song

Shannon entropy ($S$), R{\'e}nyi entropy ($R$), Tsallis entropy ($T$), Fisher information ($I$) and Onicescu energy ($E$) have been explored extensively in both \emph{free} H atom (FHA) and \emph{confined} H atom (CHA). For a given quantum…

Quantum Physics · Physics 2019-04-05 Neetik Mukherjee , Amlan K. Roy

The properties of particle production in pp collisions are basis for analysis of pA and AA interactions and verification of theory. We analyzed inclusive particle production using z-scaling established in proton-proton and proton-antiproton…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. V. Tokarev , Yu. A. Panebratsev , G. P. Skoro , I. Zborovsky