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A systematic study of charged hadron multiplicities ($n_{ch}$) at various collision energies is very much important in understanding the basic production mechanism of the hadrons in nucleus-nucleus collision experiments. Furthermore, the…

高能物理 - 唯象学 · 物理学 2012-02-23 Ashwini Kumar , P. K. Srivastava , B. K. Singh , C. P. Singh

Study of the characteristic properties of charged particle production in hadron-nucleus collisions at high energies, by utilising the approaches from different statistical models is performed.~Predictions from different approaches using the…

高能物理 - 唯象学 · 物理学 2021-04-07 A. Kaur , M. Kaur , R. Aggarwal

The accuracy of Monte Carlo Glauber model descriptions of minimum-bias multiplicity frequency distributions is evaluated using data from the Relativistic Heavy Ion Collider (RHIC) within the context of a sensitive, power-law representation…

核实验 · 物理学 2008-11-26 R. L. Ray , M. Daugherity

The centrality determination and the estimated fluctuations of number of participant nucleons $N_{part}$ in Au-Au collisions at 1.23 $A$GeV beam kinetic energy suffers from severe model dependencies. Comparing the Glauber Monte Carlo (MC)…

高能物理 - 唯象学 · 物理学 2023-09-14 Manjunath Omana Kuttan , Jan Steinheimer , Kai Zhou , Marcus Bleicher , Horst Stoecker

Proton-proton collisions are studied in the dilute Glasma framework. Compared to experimental multiplicity distributions, the dilute Glasma underestimates large multiplicity events. We show how event-by-event fluctuations of the saturation…

高能物理 - 唯象学 · 物理学 2025-02-25 Andreas Ipp , Markus Leuthner , David I. Müller , Sören Schlichting , Kayran Schmidt , Pragya Singh

In the wounded nucleon model, a proton-nucleus (p+A) collision is a superposition of independent nucleon-nucleon collisions. We use this model to calculate the average transverse momentum of pions, kaons and protons in high energy p+A…

核理论 · 物理学 2015-06-16 Adam Bzdak , Vladimir Skokov

An investigation of the critical behavior of strongly interacting QCD matter has been performed by analyzing fluctuation observables on event-by-event (ebe) basis measured in high-energy collision experiments. The fluctuation analysis is…

核实验 · 物理学 2022-10-11 Ashwini Kumar , Gauri Devi , B. K. Singh , Bushra Ali , Shakeel Ahmad

Real or virtual photons are excellent probes of nuclear structure, with a strong sensitivity to gluon distributions. Photonic reactions can be studied using ultra-peripheral collisions or at an electron-ion collider. Final states like…

高能物理 - 实验 · 物理学 2024-01-17 Spencer R. Klein

A multi-step setup for heavy-flavour studies in high-energy nucleus-nucleus (AA) collisions --- addressing within a comprehensive framework the initial Q-Qbar production, the propagation in the hot medium until decoupling and the final…

高能物理 - 唯象学 · 物理学 2015-06-16 W. M. Alberico , A. Beraudo , A. De Pace , A. Molinari , M. Monteno , M. Nardi , F. Prino , M. Sitta

We have extended the Interacting Gluon Model (IGM) to calculate diffractive mass spectra generated in hadronic collisions. We show that it is possible to treat both diffractive and non-diffractive events on the same footing, in terms of…

高能物理 - 唯象学 · 物理学 2009-10-30 F. O. Duraes , F. S. Navarra , G. Wilk

We develop a general decomposition of an ensemble of initial density profiles in terms of an average state and a basis of modes that represent the event-by-event fluctuations of the initial state. The basis is determined such that the…

高能物理 - 唯象学 · 物理学 2023-03-13 Nicolas Borghini , Marc Borrell , Nina Feld , Hendrik Roch , Sören Schlichting , Clemens Werthmann

We present a relativistic and cross-section factorized framework for computing nuclear transparencies extracted from A(\gamma,\pi N) reactions at intermediate energies. The proposed quantummechanical model adopts a relativistic extension to…

核理论 · 物理学 2008-11-26 W. Cosyn , M. C. Martinez , J. Ryckebusch , B. Van Overmeire

We discuss different sources of fluctuations in nuclear collisions and their realization in the IP-Glasma model. We present results for multiplicity distributions in p+p and p+A collisions and compare eccentricity distributions in A+A…

高能物理 - 唯象学 · 物理学 2015-06-18 Bjoern Schenke , Prithwish Tribedy , Raju Venugopalan

We revisit the Glauber model to study the heavy ion reaction cross sections and elastic scattering angular distributions at low and intermediate energies. The Glauber model takes nucleon-nucleon cross sections and nuclear densities as…

核理论 · 物理学 2017-04-26 Ajay Mehndiratta , Prashant Shukla

In hydrodynamicalmodeling of heavy-ion collisions the initial state spatial anisotropies translate into momentum anisotropies of the final state particle distributions. Thus, understanding the origin of the initial anisotropies and…

高能物理 - 唯象学 · 物理学 2012-06-26 M. Alvioli , H. Holopainen , K. J. Eskola , M. Strikman

In this talk we summarize the main results of our recent paper, Phys. Rev. C94, 014902, where we explore predictions of the wounded quark model for particle production and the properties of the initial state formed in ultra-relativistic…

核理论 · 物理学 2017-04-26 Piotr Bozek , Wojciech Broniowski , Maciej Rybczynski

Charged-particle spectra at midrapidity are measured in Pb-Pb collisions at the centre-of-mass energy per nucleon-nucleon pair $\sqrt{s_{\rm NN}}$ = 5.02 TeV and presented in centrality classes ranging from most central (0-5%) to most…

核实验 · 物理学 2019-11-11 ALICE Collaboration

We present new results based on an improved version of the Glauber model, used to describe the nuclear absorption of J/psi in reactions between nuclei at high energy. The excitation of the colour degrees of freedom of nucleons, due to…

核理论 · 物理学 2007-05-23 Alberto Polleri

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…

高能物理 - 唯象学 · 物理学 2019-05-22 Thomas A. Trainor

Excited states of the nucleon are described as RPA configurations on a mean--field ground state taken from the MIT bag model. A residual interaction of a structure as in the Nambu--Jona--Lasinio model is used. The particle-hole states are…

核理论 · 物理学 2009-10-28 J. Geiss , S. Hardt , H. Lenske , U. Mosel