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Related papers: Kaon Interferometry at RHIC from AMPT Model

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A simple method for the extraction of the times of maximal emission for kaons and pions using the combined fitting of their transverse momentum spectra and the longitudinal interferometry radii dependencies on the pair transverse mass $m_T$…

Nuclear Theory · Physics 2021-10-27 V. M. Shapoval , Yu. M. Sinyukov

We present a relativistic quantum mechanical treatment of opacity and refractive effects that allows reproduction of observables measured in two-pion (HBT) interferometry and pion spectra at RHIC. The inferred emission duration is…

Nuclear Theory · Physics 2009-11-10 John G. Cramer , Gerald A. Miller , Jackson M. S. Wu , Jin-Hee Yoon

Three-dimensional analyses of the pion source revealed a heavy, non-Gaussian tail in the direction of the pair transverse momentum. The interpretation of these pion sources in terms of pure hydrodynamical evolution is, however, complicated…

Nuclear Experiment · Physics 2015-06-18 Robert Vertesi

We examine the characteristic quantities of pion-emitting sources extracted by model-independent imaging analysis in relativistic heavy ion collisions. The moments of the spatial separation of pion pair emission can provide the…

High Energy Physics - Phenomenology · Physics 2009-11-05 Wei-Ning Zhang , Zhi-Tao Yang , Yan-Yu Ren

The relativistic transport model, in which the nucleon effective mass is connected to the scalar field while its energy is shifted by the vector potential, is extended to include the kaon degree of freedom. We further take into account the…

Nuclear Theory · Physics 2011-07-19 X. S. Fang , C. M. Ko , G. Q. Li , Y. M. Zheng

This thesis describes two lines of work. The first line is a study of the application of transport theory to massless particles, such as the partons in an ultrarelativistic collision at RHIC. The second line of work is an application of…

Nuclear Theory · Physics 2007-05-23 David A. Brown

The flow of kaons, i.e., the average kaon transverse momentum as a function of rapidity, and the associated flow parameter in heavy-ion collisions at SIS/GSI energies is investigated in the relativistic transport model. It is found that the…

Nuclear Theory · Physics 2010-04-06 G. Q. Li , C. M. Ko , B. A. Li

We compare the mean-over-variance ratio of the net-kaon distribution calculated within a state-of-the-art hadron resonance gas model to the latest experimental data from the Beam Energy Scan at RHIC by the STAR collaboration. Our analysis…

High Energy Physics - Phenomenology · Physics 2019-04-03 R. Bellwied , J. Noronha-Hostler , P. Parotto , I. Portillo Vazquez , C. Ratti , J. M. Stafford

Mid-rapidity transverse mass spectra and multiplicity densities of charged and neutral kaons are reported for Au+Au collisions at $\snn$=130 GeV at RHIC. The spectra are exponential in transverse mass, with an inverse slope of about 280 MeV…

Nuclear Experiment · Physics 2012-08-27 STAR Collaboration

The parameters obtained from the theoretical analysis of the single photon spectra observed by the WA98 collaboration at SPS energies have been used to evaluate the two photon correlation functions. The single photon spectra and the two…

Nuclear Theory · Physics 2009-11-10 Jan-e Alam , Bedangadas Mohanty , Pradip Roy , Sourav Sarkar , Bikash Sinha

Intensity interferometry in noncentral heavy ion collisions provides access to novel information on the geometry of the effective pion-emitting source. We demonstrate analytically that, even for vanishing pair momentum, the cross terms…

Nuclear Theory · Physics 2009-10-09 Michael Annan Lisa , Ulrich Heinz , Urs Achim Wiedemann

We provide, within the hydrokinetic model, a detailed investigation of kaon interferometry in $Pb+Pb$ collisions at LHC energy ($\sqrt{s_{NN}} = 2.76$ TeV). Predictions are presented for 1D interferometry radii of $K^0_SK^0_S$ and…

High Energy Physics - Phenomenology · Physics 2015-06-19 V. M. Shapoval , P. Braun-Munzinger , Iu. A. Karpenko , Yu. M. Sinyukov

We present results on spectra of pions, kaons and (anti)protons from a study of heavy ion collisions using the perturbative QCD + saturation model to calculate the production of initial (transverse) energy and baryon number followed by a…

Nuclear Theory · Physics 2009-11-07 K. J. Eskola , H. Niemi , P. V. Ruuskanen , S. S. Rasanen

We continue the analysis of the preceding talk with a discussion of the elliptic flow and the HBT pion correlation radii. It is shown that the thermal model can be extended to describe these phenomena. The description of the elliptic flow…

Nuclear Theory · Physics 2009-11-07 Wojciech Broniowski , Anna Baran , Wojciech Florkowski

We present the results of a systematic study of the shape of the pion distribution in coordinate space at freeze-out in Au+Au collisions at RHIC using two-pion Hanbury Brown-Twiss (HBT) interferometry. Oscillations of the extracted HBT…

Nuclear Experiment · Physics 2012-08-27 STAR Collaboration

Adopting a procedure previously proposed to quantitatively study two-dimensional pion interferometry, an equivalent 2-D chi^2 analysis was performed to test the resolving power of that method when applied to less favorable conditions, i.e.,…

Nuclear Theory · Physics 2008-11-26 Sandra S. Padula , Cristiane G. Roldao

In 2001, PHENIX measured particle correlations of identical charged pions and kaons at mid-rapidity in Au-Au collisions at sqrt(s_NN)=200GeV. Bertsch-Pratt radius parameters of pion pairs are studied for 9 kT regions from 0.2 to 2.0 GeV/c…

Nuclear Experiment · Physics 2019-08-14 Akitomo Enokizono

Space-time information about the Au-Au collisions produced at RHIC are key tools to understand the evolution of the system and especially assess the presence of collective behaviors. Using a parameterization of the system's final state…

Nuclear Experiment · Physics 2009-11-10 F. Retiere

Imaging of sources from data within the intensity interferometry is discussed. In the two-pion case, the relative pion source function may be determined through the Fourier transformation of the correlation function. In the proton-proton…

Nuclear Theory · Physics 2009-10-30 David A. Brown , Pawel Danielewicz

Using an analytical parameterization of hadronic freeze-out in relativistic heavy ion collisions, we present a detailed study of the connections between features of the freeze-out configuration and physical observables. We focus especially…

Nuclear Theory · Physics 2009-11-10 Fabrice Retiere , Mike Lisa
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