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Related papers: Imaging Freeze-out Sources and Extracting Strong I…

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The geometric substructure of the particle-emitting source has been characterized via two-particle interferometry by the STAR collaboration for all energies and colliding systems at RHIC. We present systematic studies of charged pion…

Nuclear Experiment · Physics 2007-05-23 Z. Chajecki

We use hydrodynamics to generate freeze-out configurations for non-central heavy-ion collisions at present and future collider energies. Such collisions are known to produce strong elliptic flow. The accompanying space-time structure of the…

High Energy Physics - Phenomenology · Physics 2009-10-09 Ulrich W. Heinz , Peter F. Kolb

In this report, femtoscopic measurements with proton-proton, antiproton-antiproton, proton-antiproton, proton-antilambda, antiproton-lambda and lambda-antilambda pairs in Pb-Pb collisions at sqrt(s_NN)=2.76 TeV registered by ALICE at the…

Nuclear Experiment · Physics 2019-08-21 Maciej Paweł Szymański

By measuring hadronic single-particle spectra and two-particle correlations in heavy-ion collisions, the size and dynamical state of the collision fireball at freeze-out can be reconstructed. I discuss the relevant theoretical methods and…

Nuclear Theory · Physics 2007-05-23 Ulrich Heinz

This article gives an overview of recent highlights from experimental measurements of heavy-ion collisions at ultra-relativistic energies: Measurements of electroweak probes constrain both the initial collision geometry and the nuclear…

Nuclear Experiment · Physics 2020-12-17 Yvonne Pachmayer

We discuss imaging sources from low relative-velocity correlations in heavy-ion reactions. When the correlation is dominated by interference, we can obtain the images by Fourier transforming the correlation function. In the general case, we…

Nuclear Theory · Physics 2007-05-23 P. Danielewicz , D. A. Brown

A nontrivial space-time structure of the hot system created at RHIC is the defining aspect of the physics of relativistic heavy ion collisions. Femtoscopy through pion intensity interferometry provides direct access to the dynamic geometric…

Nuclear Experiment · Physics 2019-08-14 Z. Chajecki , T. D. Gutierrez , M. A. Lisa , M. Lopez-Noriega

Protons and antiprotons at collider energies are a source of high energy Weizs\"acker--Williams photons. This may open a possibility to study exclusive photoproduction of heavy vector mesons at energies much larger than possible at the HERA…

High Energy Physics - Phenomenology · Physics 2008-11-26 W. Schäfer , A. Szczurek

Assuming that the final state of hadronization takes place along the freezeout line, which is defined by a constant entropy density, the antiproton-to-proton ratios produced in heavy-ion collisions are studied in framework of the hadron…

High Energy Physics - Phenomenology · Physics 2011-07-28 A. Tawfik

Two-particle femtoscopy reveals the space-time substructure of the freeze-out configuration from heavy ion collisions. Detailed fingerprints of bulk collectivity are evident in space-momentum correlations, which have been systematically…

Nuclear Experiment · Physics 2009-10-03 Michael Annan Lisa , Scott Pratt

The basic idea of jet tomography is to infer information about the density evolution of the medium created in heavy-ion (A-A) collisions by studying the suppression of hard probes in an A-A environment as compared to the baseline process…

High Energy Physics - Phenomenology · Physics 2008-11-26 Thorsten Renk

We present results of femtoscopic analysis with K0s-K0s, Kch-Kch, p-p, pbar-pbar, p-pbar and lambda-antilambda in Pb-Pb collisions at sqrt{s_NN}=2.76 TeV and K0s-K0s in pp collisions at sqrt{s}=7 TeV registered by ALICE at the LHC. The…

Nuclear Experiment · Physics 2019-08-13 Maciej Paweł Szymański

A QCD phase transition may reflect in a inhomogeneous decoupling surface of hadrons produced in relativistic heavy-ion collisions. We show that due to the non-linear dependence of the particle densities on the temperature and…

Nuclear Theory · Physics 2009-11-11 A. Dumitru , L. Portugal , D. Zschiesche

Ultra-peripheral collisions are the energy frontier for photon-mediated interactions, reaching, at the Large Hadron Collider (LHC), $\gamma-p$ center of mass energies five to ten times higher than at HERA and reaching $\gamma\gamma$…

Nuclear Experiment · Physics 2018-03-14 Spencer R. Klein

The single-freeze-out model with parametrized hypersurface and flow geometry is employed to analyze the transverse-momentum spectra of hadrons produced in the Pb+Pb collisions at the collision energy of {$\sqrt{s_{\rm NN}}=2.76$ TeV} at the…

Nuclear Theory · Physics 2014-03-03 Maciej Rybczyński , Wojciech Florkowski , Wojciech Broniowski

We present a realistic expanding source model with nine parameters that are necessary and sufficient to describe the main physics occuring during hydrodynamical freezeout of the excited hadronic matter produced in relativistic heavy-ion…

Nuclear Theory · Physics 2008-11-26 Scott Chapman , J. Rayford Nix

We investigate proton-antiproton ($p\bar{p}$) pair production via photon-photon fusion in the ultra-peripheral collisions at RHIC, employing a joint impact parameter and transverse momentum dependent formalism. We consider proton exchange,…

High Energy Physics - Phenomenology · Physics 2024-06-11 Cheng Zhang , Li-Mao Zhang , Ding Yu Shao

We report the measurements of proton-deuteron ($p$-$d$) and deuteron-deuteron ($d$-$d$) correlation functions in Au+Au collisions at $\sqrt{s_\mathrm{NN}}$ = 3 GeV using fixed-target mode with the STAR experiment at the Relativistic…

Nuclear Experiment · Physics 2025-05-13 The STAR Collaboration

We investigate the energy dependence of stopping and hadron production in high-energy heavy-ion collisions based on a three-sources Relativistic Diffusion Model. The transport coefficients are extrapolated from Au + Au and Cu + Cu at RHIC…

High Energy Physics - Phenomenology · Physics 2008-11-26 Rolf Kuiper , Georg Wolschin

I discuss two-particle intensity interferometry as a method to extract from measured 1- and 2-particle momentum spectra information on the space-time geometry and dynamics of the particle emitting source. Particular attention is given to…

Nuclear Theory · Physics 2007-05-23 Ulrich Heinz
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