American Journal of Modern Physics

Archive

Volume 10, Issue 3, May 2021

  • Proton Electromagnetic Form Factors Data Are in Disagreement with New Electron-Positron Annihilation into Proton-Antiproton Pair Total Cross Section Measurements

    Anna Zuzana Dubnickova, Stanislav Dubnicka

    Issue: Volume 10, Issue 3, May 2021
    Pages: 41-50
    Received: 30 March 2021
    Accepted: 16 April 2021
    Published: 7 May 2021
    DOI: 10.11648/j.ajmp.20211003.11
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    Abstract: In this paper a consistency of new very precise data on electron-positron annihilation into proton-antiproton pair total cross section with existing proton and neutron electromagnetic form factors data is investigated. First, the result is represented by a theoretically predicted dashed line for the total cross section obtained in the simultaneous ... Show More
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  • Nucleation Phenomena Interpreted by Fluctuation/Dissipation Theory

    Nicholas F. Borrelli, Joseph F. Schroeder

    Issue: Volume 10, Issue 3, May 2021
    Pages: 51-54
    Received: 14 April 2021
    Accepted: 7 May 2021
    Published: 14 May 2021
    DOI: 10.11648/j.ajmp.20211003.12
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    Abstract: An argument is presented in the attempt to link the nucleation phenomenon to a broader interpretation and manifestations termed “Fluctuation and Dissipation theory”. The connection is made that the nucleation phenomenon can be thought of as being developed from “noise” which in the case of glass and crystals is spontaneous as the composition fluctu... Show More
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  • 3-D Modeling of a Polycrystalline Silicon Solar Cell Under Polychromatic Illumination: Effects of the Grain Size and the Recombination Velocity at the Boundaries

    Mamadou Bamba Sene, Amadou Diao, Alioune Faye, Cheikh Mbow

    Issue: Volume 10, Issue 3, May 2021
    Pages: 55-59
    Received: 17 April 2021
    Accepted: 18 May 2021
    Published: 3 June 2021
    DOI: 10.11648/j.ajmp.20211003.13
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    Abstract: In this paper, a three-dimensional study on a polycrystalline silicon solar cell under polychromatic illumination in an instational regime. The influence of grain size, recombination velocity at the grain boundaries on the density of the minority carriers of a silicon solar cell, is presented. Based on the continuity equation of the minority carrie... Show More
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