Wojciech Florkowski

General formulation of transverse hydrodynamics (2008)

A formalism for anisotropic fluid dynamics is proposed. It is designed to describe boost-invariant systems with anisotropic pressure. Such systems are expected to be produced at the early stages of...

Ryblewski, Radoslaw, Florkowski, Wojciech

General formulation of hydrodynamics describing transversally thermalized matter created at the early stages of ultra-relativistic heavy-ion collisions is presented. Similarities and differences with...

Soft-hadronic observables for relativistic heavy-ion collisions at RHIC and LHC (2008)

Florkowski, Wojciech, Chojnacki, Mikolaj, Broniowski, Wojciech, Kisiel, Adam

The relativistic hydrodynamics together with the single-freeze-out statistical hadronization model is used to describe the midrapidity hadron production in ultra-relativistic heavy-ion collisions at...

Initial condition for hydrodynamics, partonic free streaming, and the uniform description of soft observables at RHIC (2008)

Broniowski, Wojciech, Chojnacki, Mikolaj, Florkowski, Wojciech, Kisiel, Adam

We investigate the role of the initial condition used for the hydrodynamic evolution of the system formed in ultra-relativistic heavy-ion collisions and find that an appropriate choice motivated by...

Soft heavy-ion physics from hydrodynamics with statistical hadronization - predictions for the Large Hadron Collider (2007)

Chojnacki, Mikolaj, Florkowski, Wojciech, Broniowski, Wojciech, Kisiel, Adam

Hydrodynamics merged with single-freeze-out statistical hadronization is used to describe the midrapidity hadron production in relativistic heavy-ion collisions at the highest RHIC energies and to...

Hydrodynamics of transversally thermalized partons in ultra-relativistic heavy-ion collisions (2007)

Chojnacki, Mikolaj, Florkowski, Wojciech

The hydrodynamic description of transversally thermalized matter, possibly formed at the early stages of ultra-relativistic heavy-ion collisions, is developed. The formalism is based on the...

Temperature dependence of sound velocity and hydrodynamics of ultra-relativistic heavy-ion collisions (2007)

Chojnacki, Mikolaj, Florkowski, Wojciech

The effects of different forms of the sound-velocity function c_s(T) on the hydrodynamic evolution of matter created in the central region of ultra-relativistic heavy-ion collisions are studied. At...

pT-fluctuations and multiparticle clusters in heavy-ion collisions (2006)

Broniowski, Wojciech, Bozek, Piotr, Florkowski, Wojciech, Hiller, Brigitte

We investigate the centrality dependence of the pT-correlations in the event-by-event analysis of relativistic heavy-ion collisions at RHIC made recently by the PHENIX and STAR Collaborations. We...

SHARE: Statistical Hadronization with Resonances (2006)

Torrieri, Giorgio, Steinke, Steve, Broniowski, Wojciech, Florkowski, Wojciech, Letessier, Jean, Rafelski, Johann

SHARE is a collection of programs designed for the statistical analysis of particle production in relativistic heavy-ion collisions. With the physical input of intensive statistical parameters, it...

Characteristic form of boost-invariant and cylindrically non-symmetric hydrodynamic equations (2006)

Chojnacki, Mikolaj, Florkowski, Wojciech

It is shown that the boost-invariant and cylindrically non-symmetric hydrodynamic equations for baryon-free matter may be reduced to only two coupled differential equations. In the case where the...

Femtoscopy in hydro-inspired models with resonances (2006)

Kisiel, Adam, Florkowski, Wojciech, Broniowski, Wojciech, Pluta, Jan

Effects of the choice of the freeze-out hypersurface and resonance decays on the HBT interferometry in relativistic heavy-ion collisions are studied in detail within a class of models with single...

Particle spectra and hydro-inspired models (2005)

Therminator: Thermal heavy-Ion generator (2005)

Several popular parameterizations of the freeze-out conditions in ultra-relativistic heavy-ion collisions are shortly reviewed. The common features of the models, responsible for the successful...

Kisiel, Adam, Taluc, Tomasz, Broniowski, Wojciech, Florkowski, Wojciech

THERMINATOR is a Monte Carlo event generator designed for studying of particle production in relativistic heavy-ion collisions performed at such experimental facilities as the SPS, RHIC, or LHC. The...

SHARE: Statistical Hadronization with Resonances (2005)

Torrieri, Giorgio, Steinke, Steve, Broniowski, Wojciech, Florkowski, Wojciech, Letessier, Jean, Rafelski, Johann

SHARE is a collection of programs designed for the statistical analysis of particle production in relativistic heavy-ion collisions. With the physical input of intensive statistical parameters, it...

SHARE: Statistical Hadronization with Resonances (2005)

Torrieri, Giorgio, Steinke, Steve, Broniowski, Wojciech, Florkowski, Wojciech, Letessier, Jean, Rafelski, Johann

SHARE is a collection of programs designed for the statistical analysis of particle production in relativistic heavy-ion collisions. With the physical input of intensive statistical parameters, it...

Hydro-inspired parameterizations of freeze-out in relativistic heavy-ion collisions (2004)

On the formation of Hubble flow in Little Bangs (2004)

Popular parameterizations of the freeze-out conditions in relativistic heavy-ion collisions are discussed. Similarities and differences between the blast-wave model and the single-freeze-out model,...

Chojnacki, Mikolaj, Florkowski, Wojciech, Csorgo, Tamas

A dynamical appearance of scaling solutions in the relativistic hydrodynamics applied to describe ultra-relativistic heavy-ion collisions is studied. We consider the boost-invariant cylindrically...

Update of the Hagedorn mass spectrum (2004)

Broniowski, Wojciech, Florkowski, Wojciech, Glozman, Leonid Ya.

We present an update of the Hagedorn hypothesis of the exponential growth of the number of hadronic resonances with mass. We use the newest available experimental data for the non-strange mesons and...

SHARE: Statistical Hadronization with Resonances (2004)

Torrieri, Giorgio, Steinke, Steve, Broniowski, Wojciech, Florkowski, Wojciech, Letessier, Jean, Rafelski, Johann

SHARE is a collection of programs designed for the statistical analysis of particle production in relativistic heavy-ion collisions. With the physical input of intensive statistical parameters, it...

Production of resonances in a thermal model (2004)

Broniowski, Wojciech, Florkowski, Wojciech, Hiller, Brigitte

We discuss the pi+ pi- invariant-mass correlations and the resonance production in a thermal model with single freeze-out. The predictions are confronted with the data from the STAR Collaboration.

Resonance production in a thermal model (2003)

Schwinger tunneling and thermal character of hadron spectra (2003)

We discuss the pi+ pi- invariant-mass correlations and the resonance production in a thermal model with single freeze-out. The predictions are confronted with the recent data from the STAR...

Thermal analysis of production of resonances in relativistic heavy-ion collisions (2003)

It is shown that an oscillatory character of the solutions of the collisionless kinetic equations describing production of the quark-gluon plasma in strong color fields leads to the exponential...

Broniowski, Wojciech, Florkowski, Wojciech, Hiller, Brigitte

Production of resonances is considered in the framework of the single-freeze-out model of ultra-relativistic heavy ion collisions. The formalism involves the virial expansion, where the probability...

Thermal model for RHIC, part I: particle ratios and spectra (2002)

Thermal model at RHIC, part II: elliptic flow and HBT radii (2002)

A simple thermal model with single freeze-out and flow is used to analyze the ratios of hadron yields and the hadron transverse-mass spectra measured in 130 GeV Au+Au collisions at RHIC. An overall...

Broniowski, Wojciech, Baran, Anna, Florkowski, Wojciech

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...

Thermal approach to RHIC (2002)

Broniowski, Wojciech, Baran, Anna, Florkowski, Wojciech

Applications of a simple thermal model to ultra-relativistic heavy-ion collisions are presented. We compute abundances of various hadrons, including particles with strange quarks, the pT-spectra, and...

Thermal description of transverse-momentum spectra at RHIC (2002)

How much is RHIC different from SPS? Comparison of the pT-spectra (2002)

We show that the transverse-momentum spectra of all hadrons measured at RHIC, including hyperons, are described very well in a thermal model assuming the simultaneous chemical and thermal...

Explanation of the RHIC pt-spectra in a single-freeze-out model (2002)

We show, by means of a simple compilation of the available experimental results, that the pT-spectra obtained at RHIC and SPS are strikingly similar up to pT ~ 1.5-2 GeV. In fact, the discrepancies...

Thermal model at RHIC: particle ratios and pT spectra (2002)

The pt-spectra of hadrons measured at RHIC are very well described in a model which assumes that the chemical and thermal freeze-outs occur simultaneously. The model calculation includes all hadronic...

Strange particle production at RHIC in a single-freeze-out model (2001)

Predictions of the single-freeze-out model for the particle spectra at RHIC are presented. The model assumes that the chemical and thermal freeze-outs occur simultaneously, and incorporates in simple...

Boost-invariant particle production in transport equations (2001)

Strange particle ratios and pT-spectra are calculated in a thermal model with single freeze-out, previously used successfully to describe non-strange particle production at RHIC. The model and the...

Bajan, Katarzyna, Florkowski, Wojciech

The boost-invariant tunneling of particles along the hyperbolas of constant invariant time, tau^2 = t^2-z^2, is included in the transport equations describing formation of the quark-gluon plasma in...

Description of the RHIC p_T-spectra in a thermal model with expansion (2001)

Thermal analysis of particle ratios and p_T spectra at RHIC (2001)

The assumption of simultaneous chemical and thermal freeze-outs of the hadron gas leads to a surprisingly accurate, albeit entirely conventional, explanation of the recently-measured RHIC pT spectra....

Florkowski, Wojciech, Broniowski, Wojciech, Michalec, Mariusz

The thermal model of particle production is used to analyze the particle ratios and the p_T spectra measured recently at RHIC. Our fit of the particle ratios yields the temperature at the chemical...

Scaling of hadron masses and widths in thermal models for ultra-relativistic heavy-ion collisions (2001)

Michalec, Mariusz, Florkowski, Wojciech, Broniowski, Wojciech

By means of a simple rescaling, modifications of hadron masses and widths are incorporated into the thermal analysis of particle ratios in ultra-relativistic heavy-ion collisions. We find that...

rho -> pi pi decay in nuclear medium (2001)

Broniowski, Wojciech, Florkowski, Wojciech, Hiller, Brigitte

We calculate the medium modifications of the rho pi pi vertex in a relativistic hadronic framework, incorporating nucleons and Delta(1232) isobars. We find a substantial increase of the rho pi pi...

Description of the RHIC p [perpendicular] Spectra in a Thermal Model with Expansion (2001)

Different Hagedorn temperatures for mesons and baryons from experimental mass spectra, compound hadrons, and combinatorial saturation (2000)

Matter-induced omega -> pi pi decay (1999)

We analyze the light-flavor particle mass spectra and show that in the region up to ~1.8GeV the Hagedorn temperature for baryons is about 30% smaller than for mesons, reflecting the fact that the...

Broniowski, Wojciech, Florkowski, Wojciech, Hiller, Brigitte

We calculate the width for the omega -> pi pi decay in nuclear matter in a hadronic model including mesons, nucleons and Delta isobars. We find a substantial width of the longitudinally polarized...

rho-omega mixing in relativistic heavy-ion collisions (1998)

Mean-field transport theory for the two-flavour NJL model (1997)

We show that even moderate excess of neutrons over protons in nuclear matter, such as in ${}^{208} Pb$, can lead to large $\rho$-$\omega$ mixing at densities of the order of twice the nuclear...

Description of hot compressed hadronic matter based on an effective chiral lagrangian (1997)

By making decomposition of the Wigner function simultaneously in both the spinor and the isospin spaces we derive a set of kinetic equations for the quark distribution functions and the spin...

Deep inelastic scattering of leptons from nuclear targets and the BFKL pomeron (1997)

A review of the recent results obtained in the Nambu -- Jona-Lasinio model is given. In particular, the effect of screening of meson fields at finite temperature or density is analyzed and the...

Bialas, Andrzej, Czyz, Wieslaw, Florkowski, Wojciech

We calculate shadowing in the process of deep inelastic interactions of leptons with nuclei in the perturbative regime of QCD. We find appreciable shadowing for heavy nuclei (e.g. Pb) in the region...

Melting of the quark condenstate in the NJL model with meson loops (1996)