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An Alternative Method for Solving Lagrange＇s First-Order Partial Differential Equation with Linear Function Coefficients

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Journal of Partial Differential Equations 2015年第3期28卷 208-224页

作者： ISLAM Syed Md Himayetul DAS J. fatullapur adarsha high school Vill.-Fatullapur P.O.-Nimta Dist.-North 24-Parganas Kolkata-700049 India Department of Pure Mathematics Calcutta University 35 Ballygunge Circular Road Kolkata-700019 West Bengal India

An alternative method of solving Lagrange＇s first-order partial differential equation of the form（a1x ＋b1y＋C1z）p＋（a2x ＋b2y＋c2z）q =a3x ＋b3y＋c3z,where p = Эz/Эx, q = Эz/Эy and ai, bi, ci （i = 1,2,3） a... 详细信息

关键词： Lagrange's first-order partial differential equation linear functions simultaneousordinary differential equations linear homogeneous algebraic equations.

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Production of J/Ψ-Particles at RHIC and LHC Energies: An Alternative “Psi”-Chology

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Open Journal of Microphysics 2012年第2期2卷 19-26页

作者： P. Guptaroy Goutam Sau S. K. Biswas S. Bhattacharyya Beramara Ram Chandrapur high school Department of Physics Raghunathpur College Physics and Applied Mathematics Unit (PAMU) Indian Statistical Institute West Kodalia adarsha Siksha Sadan

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.

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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Open Journal of Microphysics 2012年第1期2卷 1-11页

作者： Sunil Kumar Biswas Goutam Sau Amar Chandra Das Ghosh Subrata Bhattacharyya Beramara RamChandrapur high school Kolkata India Department of Microbiology Surendranath College Kolkata India Physics and Applied Mathematics Unit (PAMU) Indian Statistical Institute Kolkata India West Kodalia adarsha Siksha Sadan New Barrackpore Kolkata India

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.

关键词： Hadron-Nucleus Collisions Inclusive Production Scaling Phenomena Power Laws

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