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Related papers: Transport model study of the $m_T$-scaling for $\L…

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The pion source as seen through HBT correlations at RHIC energies is investigated within the UrQMD approach. We find that the calculated transverse momentum, centrality, and system size dependence of the Pratt-HBT radii $R_L$ and $R_S$ are…

Nuclear Theory · Physics 2009-02-05 Qingfeng Li , Marcus Bleicher , Horst Stoecker

Two-pion Hanbury-Brown-Twiss (HBT) correlations for central Pb-Pb collisions at the Large-Hadron-Collider (LHC) energy of $\sqrt{s_{NN}}=2.76$ TeV are investigated for the first time with the microscopic transport model UrQMD…

Nuclear Theory · Physics 2012-04-11 Qingfeng Li , Gunnar Graef , Marcus Bleicher

Based on the UrQMD transport model, the transverse momentum and the rapidity dependence of the Hanbury-Brown-Twiss (HBT) radii $R_L$, $R_O$, $R_S$ as well as the cross term $R_{OL}$ at SPS energies are investigated and compared with the…

Nuclear Theory · Physics 2008-11-26 Qingfeng Li , Marcus Bleicher , Xianglei Zhu , Horst Stoecker

In this talk we present the results of two-pion HBT correlation at freeze-out in heavy ion collisions (HICs) from AGS to RHIC energies. The UrQMD hadron-string transport model as well as the CRAB analyzing program are adopted. Based on the…

Nuclear Theory · Physics 2008-11-26 Qingfeng Li

The $m_T$-dependencies of the femto-scales, the so-called interferometry and source radii, are investigated within the hydrokinetic model for different types of particle pairs - pion-pion, kaon-kaon, proton-proton and proton-lambda, -…

High Energy Physics - Phenomenology · Physics 2016-01-20 Yu. M. Sinyukov , V. M. Shapoval , V. Yu. Naboka

We perform systematical studies on transverse-mass spectra of $\pi^0$, $\eta$, $\omega$, $\phi$, $K^+$ and $K^-$ mesons for C + C, Ni + Ni, Au + Au collisions at SIS energies within the HSD transport approach. We find that the $m_T$-spectra…

Nuclear Theory · Physics 2009-10-30 E. L. Bratkovskaya , W. Cassing , U. Mosel

Two-pion Hanbury-Brown-Twiss (HBT) correlations for p+p and central Pb+Pb collisions at the Large-Hadron-Collider (LHC) energies are investigated with the ultra-relativistic quantum molecular dynamics model combined with a correlation…

High Energy Physics - Phenomenology · Physics 2015-06-11 Qingfeng Li , Gunnar Graef , Marcus Bleicher

Hadronic interactions are crucial for the dynamical description of heavy-ion reactions at low collision energies and in the late dilute stages at high collision energies. In particular, the properties and decay channels of resonances are an…

Nuclear Theory · Physics 2019-12-23 Vinzent Steinberg , Jan Steinheimer , Hannah Elfner , Marcus Bleicher

Particle number fluctuations and correlations in nucleus-nucleus collisions at SPS and RHIC energies have been studied within the Hadron-String-Dynamics (HSD) transport approach. Event-by-event fluctuations of pion-to-kaon, proton-to-pion…

Nuclear Theory · Physics 2014-11-20 V. P. Konchakovski , M. Hauer , M. I. Gorenstein , E. L. Bratkovskaya

We use a multi-phase transport (AMPT) model to study multi-pion and multi-kaon Hanbury Brown-Twiss (HBT) correlations for the partially coherent particle-emitting sources in relativistic heavy-ion collisions. A density-dependent…

Nuclear Theory · Physics 2024-11-19 Shi-Yao Wang , Jun-Ting Ye , Wei-Ning Zhang

Single particle transverse mass spectra and HBT radii of identical pion and identical kaon are analyzed with a blast-wave parametrization under the assumptions local thermal equilibrium and transverse expansion. Under the assumptions,…

Nuclear Theory · Physics 2017-03-07 Ronghua He , Jing Qian , Jianyi Chen , Qingxin Wu , Lei Huo

We discuss predictions for the pion and kaon interferometry measurements in relativistic heavy ion collisions at SPS and RHIC energies. In particular, we confront relativistic transport model calculations that include explicitly a…

High Energy Physics - Phenomenology · Physics 2007-05-23 Sven Soff

A microscopic approach has been employed to study the kaon and $\Lambda$ productions in heavy ion collisions. The productions of $K^+$ and $\Lambda$ have been studied within the framework of Boltzmann transport equation for various beam…

Nuclear Theory · Physics 2015-03-17 Jajati K. Nayak , Sarmistha Banik , Jan-e Alam

In the light of the recent LHC data on proton-proton and lead-lead collisions we examine the question of the multiplicity scaling of HBT radii in relativistic nuclei and particle interactions. Within the UrQMD transport approach we study a…

Nuclear Theory · Physics 2012-04-11 Gunnar Graef , Qingfeng Li , Marcus Bleicher

The emission volume sizes of pions and Kaons, r_{\pi^\pm \pi^\pm} and r_{K^\pm K^\pm}, measured in the hadronic Z^0 decays via the Bose-Einstein Correlations (BEC), and the recent measurements of r_{\Lambda\Lambda} obtained by through the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Gideon Alexander , Iuliana Cohen

Event-by-event fluctuations of the kaon to pion number ratio in nucleus-nucleus collisions are studied within the statistical hadron-resonance gas model (SM) for different statistical ensembles and in the Hadron-String-Dynamics (HSD)…

Nuclear Theory · Physics 2009-03-12 M. I. Gorenstein , M. Hauer , V. P. Konchakovski , E. L. Bratkovskaya

The UrQMD transport model is used to study a system-size and energy dependence of the pion production in high energy collisions. New data of the NA61/SHINE Collaboration on spectra of negatively charged pions in proton-proton interactions…

Nuclear Theory · Physics 2014-09-03 V. Yu. Vovchenko , D. V. Anchishkin , M. I. Gorenstein

We perform a systematic analysis of several HBT parameters in heavy ion collisions from $E_{\rm beam}=2$ AGeV to $\sqrt {s_{\rm NN}}=200$ GeV within the UrQMD transport approach and compare the results to experimental data where available.…

Nuclear Theory · Physics 2008-11-26 Qingfeng Li , Marcus Bleicher , Horst Stoecker

Within recently proposed approach aimed to effectively describe the observed non-Bose type behavior of the intercept \lambda of two-particle correlation function C(p,K) of identical pions or kaons detected in heavy-ion collisions, the…

High Energy Physics - Phenomenology · Physics 2010-02-23 D. V. Anchishkin , A. M. Gavrilik , S. Y. Panitkin

Different treatments for the inclusion of higher-order perturbative QCD corrections in parton based transport models of relativistic heavy-ion collisions are studied and their influence on experimental observables is investigated. At RHIC,…

Nuclear Theory · Physics 2008-11-26 S. A. Bass , B. Muller
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