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1
Content available Proposition of numerical modelling of BEC
Utyuzh O., Wilk G., Włodarczyk Z.
Nukleonika
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2006
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Vol. 51,suppl.3
105-108
EN
We propose an extension of the numerical method to model effect of Bose-Einstein correlations (BEC) observed in hadronization processes which allows for calculations not only the correlation functions C2(Qinv) (onedimensional), but also the corresponding C2(Qx,y,z) (i.e., three-dimensional). The method is based on the bunching of identical bosonic particles in elementary emitting cells (EEC) in phase space in a manner leading to proper Bose- Einstein form of distribution of energy (this was enough to calculate C2(Qinv)). To obtain C2(Qx,y,z) as well as one has to add to it the symmetrization of the multiparticle wave function to properly correlate space-time locations of produced particles with their energy-momentum characteristics.
2
Content available Single particle spectra from information theory point of view
Navarra F., Utyuzh O., Wilk G., Włodarczyk Z.
Nukleonika
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2004
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Vol. 49,suppl.2
19-21l
EN
Abstract It is demonstrated how to obtain the least biased description of a single particle spectra measured in all multiparticle production processes by using an information theory approach (known also as MaxEnt approach). The case of e+e annihilation in hadrons process is discussed in more detail as an example. Comparison between the MaxEnt approach and a simple dynamical model based on the cascade process is presented as well.
3
Content available How to model BEC numerically?
Utyuzh O., Wilk G., Włodarczyk Z.
Nukleonika
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2004
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Vol. 49,suppl.2
33-35
EN
A new method for numerical modelling of Bose-Einstein correlations observed in all kinds of multiparticle production processes is proposed.
4
Content available BEC for photons and neutral pions
Utyuzh O., Wilk G.
Nukleonika
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2004
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Vol. 49,suppl.2
15-17
EN
The role of BEC for photons and neutral pions is briefly discussed and illustrated by means of a new method of numerical modelling of BEC proposed by us recently.
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