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Ansatzs, Assumptions and Production of J/Ψ-Particles: A Non-charmed Approach versus Charmed Ones
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作者 P.Guptaroy Goutam Sau S.Bhattacharyya 《Chinese Physics Letters》 SCIE CAS CSCD 2012年第2期67-70,共4页
We look at some crucial aspects of J/Ψ-production in a few high energy nuclear collisions in the light of a nonstandard model which is outlined in the text.The underlying physical ideas,assumptions and ansatzs are al... We look at some crucial aspects of J/Ψ-production in a few high energy nuclear collisions in the light of a nonstandard model which is outlined in the text.The underlying physical ideas,assumptions and ansatzs are also enunciated in some detail.The results are in fairly in good agreement with both measured data and the results obtained on the basis of other models of the standard variety.The impact and implications of this comparative study are also discussed. 展开更多
关键词 J/Ψ One fairly
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Production of J/Ψ-Particles at RHIC and LHC Energies: An Alternative “Psi”-Chology
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作者 P. Guptaroy Goutam Sau +1 位作者 S. K. Biswas S. Bhattacharyya 《Open Journal of Microphysics》 2012年第2期19-26,共8页
We attempt here to understand successfully some crucial aspects of J/Ψ-production in some high energy nuclear collisions in the light of a non-standard framework outlined in the text. It is found that the results arr... We attempt here to understand successfully some crucial aspects of J/Ψ-production in some high energy nuclear collisions in the light of a non-standard framework outlined in the text. It is found that the results arrived at with this main working approach here is fairly in good agreement with both the measured data and the results obtained on the basis of some other models of the ‘standard’ variety. Impact and implications of this comparative study have also been precisely highlighted in the end. 展开更多
关键词 Relativistic Heavy Ion Collisions INCLUSIVE PRODUCTION Charmed MESON
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Characteristics of Strange Hadron Production in Some High Energy Collisions and the Role of Power Laws
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作者 Sunil Kumar Biswas Goutam Sau +1 位作者 Amar Chandra Das Ghosh Subrata Bhattacharyya 《Open Journal of Microphysics》 2012年第1期1-11,共11页
Studies on “strange” particle production have always occupied a very important space in the domain of Particle Physics. This was and is so, just because of some conjectures about specially abundant or excess product... Studies on “strange” particle production have always occupied a very important space in the domain of Particle Physics. This was and is so, just because of some conjectures about specially abundant or excess production of “strange” particles, at certain stages and under certain conditions arising out of what goes by the name of “Standard” model in Particle Physics. With the help of Hagedornian power laws we have attempted to understand and interpret here the nature of the pT-spectra for the strange particle production in a few high energy nuclear collisions, some interesting ratio-behaviors and the characteristics of the nuclear modification factors that are measured in laboratory experiments. After obtaining and analysing the final results we do not confront any peculiarities or oddities or extraneous excesses in the properties of the relevant observables with no left-over problems or puzzles. The model(s) used by us work(s) quite well for explaining the measured data. 展开更多
关键词 Hadron-Nucleus COLLISIONS INCLUSIVE Production Scaling Phenomena Power LAWS
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On the Nature of the Average Transverse Momenta of the Low-<i>pT</i>Secondaries in Some High Energy Nuclear Collisions
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作者 Amar Chandra Das Ghosh Goutam Sau +1 位作者 Pradeepta Guptaroy Subrata Bhattacharyya 《Journal of Modern Physics》 2012年第8期831-838,共8页
That the values of average transverse momenta ( ) of the secondaries produced in high energy collisions rise very slowly with energy is modestly well-known and accepted. We would like to probe into this aspect of the ... That the values of average transverse momenta ( ) of the secondaries produced in high energy collisions rise very slowly with energy is modestly well-known and accepted. We would like to probe into this aspect of the problem for production of the main variety of the 'soft' secondaries in two high energy symmetric nuclear collisions with the help of two non-QCD models. Our model-based results are found to be quite consistent with the anticipated behaviours and also with the observations. 展开更多
关键词 Relativistic Heavy ion Collision INCLUSIVE PRODUCTION with Identified hadrons INCLUSIVE Cross-Section Meson PRODUCTION
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