108 citations · 311 across the 47 of their papers we have counts for
43 papers · 1 filter
Bose-Einstein condensation in heavy ion collisions: importance of and uncertainties in the finite volume corrections
Kacper Zalewski
The density of the Bose-Einstein condensate for non-interacting pions in a cubic box, at given temperature and (average) total pion density, is calculaated for three sets of bounda…
Importance of thermodynamic fluctuations in the Gazdzicki Gorenstein model
Kacper Zalewski
Effects of the standard thermodynamic fluctuations on the predictions of the Gazdzicki Gorenstein model of particle production in high-energy heavy ion collisins are evaluated. At…
Thermodynamics of the low density excluded volume hadron gas
Krzysztof Redlich, Kacper Zalewski
We consider thermodynamics of the excluded volume particles at finite temperature and chemical potential, in the low density approximation. We assume Boltzmann statistics and study…
Blast-wave model description of the Hanbury-Brown--Twiss radii in pp collisions at LHC energies
Andrzej Bialas, Wojciech Florkowski, Kacper Zalewski
The blast wave model is applied to the recent data on HBT radii in pp collisions, measured by the ALICE collaboration. A reasonable description of data is obtained for a rather low…
Bose-Einstein correlations and thermal cluster formation in high-energy collisions
Andrzej Bialas, Wojciech Florkowski, Kacper Zalewski
The blast wave model is generalized to include the production of thermal clusters, as suggested by the apparent success of the statistical model of particle production at high ener…
Finite size of hadrons and Bose-Einstein correlations
A. Bialas, K. Zalewski
It is observed that the finite size of hadrons produced in high energy collisions implies that their positions are correlated, since the probability of finding two hadrons on top o…
Bose-Einstein correlations and the transition time from QCD plasma to hadrons
A. Bialas, K. Zalewski
It is pointed out that the size of the interaction region, as determined from HBT analyses, is increased due to the transition time necessary the convert the quarks and gluons into…
Hidden asymmetry and long range rapidity correlations
A. Bialas, A. Bzdak, K. Zalewski
Interpretation of long-range rapidity correlations in terms of the fluctuating rapidity density distribution of the system created in high-energy collisions is proposed. When appli…
Multibin long-range correlations
A. Bialas, K. Zalewski
A new method to study the long-range correlations in multiparticle production is developped. It is proposed to study the joint factorial moments or cumulants of multiplicity distri…
Longitudinal hydrodynamic expansion and long rangle correlations
A. Bialas, K. Zalewski
It is shown that the recently proposed method of studying the long-range correlations in multiparticle production can be effectively used to verify the hydrodynamic nature of the l…
Hidden asymmetry and forward-backward correlations
A. Bialas, K. Zalewski
A model-independent method of studying the forward-backward correlations in symmetric high energy processes is developed. The method allows a systematic study of properties of vari…
Ambiguities in the HBT approach to determine the interaction regions
Kacper Zalewski
The necessary and sufficient condition for a quantity to be measurable by the HBT method is given and discussed.
Measurement of Renyi entropies in multiparticle production: a DO-LIST II
A. Bialas, W. Czyz, K. Zalewski
Recently suggested method of measuring Renyi entropies of multiparticle systems produced in high-energy collisions is presented in the form of a "do-list", explaining explicitely h…
The Renyi entropy H_2 as a rigorous, measurable lower bound for the entropy of the interaction region in multiparticle production processes
A. Bialas, W. Czyz, K. Zalewski
A model-independent lower bound on the entropy S of the multiparticle system produced in high energy collisions, provided by the Renyi entropy H_2, is shown to be very effective. E…
Estimating Renyi entropies of a multiparticle system from event-by-event fluctuations
A. Bialas, K. Zalewski
Recent improvements in the method of estimating Renyi entropies from measurements of coincidences between the events observed in high energy collisions are reviewed. A new, more pr…
Moments of Wigner function and Renyi entropies at freeze-out
A. Bialas, W. Czyz, K. Zalewski
Relation between Renyi entropies and moments of the Wigner function, representing the quantum mechanical description of the M-particle semi-inclusive distribution at freeze-out, is…
Evaluation of the coincidence probabilities in a generalized Gaussian model of multiple particle production
A. Bialas, K. Zalewski
Coincidence probabilities, which yield Renyi entropies, are investigated in a generalized Gaussian model, which includes interparticle correlations
Pitfalls of the theory of Bose-Einstein correlations in multiple particle production
Kacper Zalewski
Some basic difficulties and ambiguities on the way from the measured momentum distributions to the inferred properties of the interaction regions are reviewed and discussed.
Moments of the particle phase-space density at freeze-out and coincidence probabilities
A. Bialas, W Czyz, K. Zalewski
It is pointed out that the moments of phase-space particle density at freeze-out can be determined from the coincidence probabilities of the events observed in multiparticle produc…
Coincidence probability as a measure of the average phase-space density at freeze-out
A. Bialas, W. Czyz, K. Zalewski
It is pointed out that the average semi-inclusive particle phase-space density at freeze-out can be determined from the coincidence probability of the events observed in multiparti…
Bose-Einstein correlations: a study of an invariance group
A. Bialas, K. Zalewski
A group of transformations changing the phases of the single particle density matrix, but leaving unchanged the predictions for identical particles concerning the momentum distribu…
Physical meaning of two-particle HBT measurements in case of correlated emission
A. Bialas, K. Zalewski
It is shown that, in the presence of correlations in particle emission, the measured HBT radii are related to the correlation range rather than to the size of the interaction volum…
Surprises in Bose-Einstein correlations
Kacper Zalewski
Four experimental results, which seem to contradict the established ideas about the Bose-Einstein correlations in multiple particle production processes, are briefly presented and…
Physics from Bose-Einstein correlations in high energy multiparticle production
Kacper Zalewski
Bose-Einstein correlations are being exploited to obtain information about the structure of the sources of hadrons in multiple particle production processes. In this paper the prin…