نتایج جستجو برای: charged particle
تعداد نتایج: 215719 فیلتر نتایج به سال:
Measurement of the charged-particle multiplicity inside jets from √ s = 8 TeV pp collisions with the ATLAS detector Abstract The number of charged particles inside jets is a widely used discriminant for identifying the quark or gluon nature of the initiating parton and is sensitive to both the perturbative and non-perturbative components of fragmentation. This paper presents a measurement of th...
Ionic distributions near charged interfaces control processes from colloidal aggregation to solvent flow in nanodevices. Such are often characterized by a jump the permittivity, which gives rise surface polarization charge. This induced charge may significantly affect ionic so that efficient methods for modeling spatially varying dielectrics needed. We formulate method with O(N?log?N) scaling e...
Dynamic electrophoresis is a powerful analytical tool for the description of the surface properties of the charged entities in a concentrated dispersion. In our study the boundary effect on this dynamic phenomenon is investigated theoretically for the case, when the surface potential is low. In particular, the dynamic electrophoresis of a sphere in a spherical cavity is discussed as are the eff...
Preprint submitted to Elsevier Science 28 February 2008 We present charged particle densities as a function of pseudorapidity and collision centrality for the Au+Au reaction at √ sNN=130 GeV. An integral charged particle multiplicity of 3860±300 is found for the 5% most central events within the pseudorapidity range −4.7 ≤ η ≤ 4.7. At mid-rapidity an enhancement in the particle yields per parti...
Preprint submitted to Elsevier Science 8 February 2008 We present charged particle densities as a function of pseudorapidity and collision centrality for the Au+Au reaction at √ sNN=130 GeV. An integral charged particle multiplicity of 3860±300 is found for the 5% most central events within the pseudorapidity range −4.7 ≤ η ≤ 4.7. At mid-rapidity an enhancement in the particle yields per partic...
Despite major progress in radiotherapy, exponential attenuation of initial photons due to the nature of their interaction with matter has remained as the most important challenge. Photons have no well-defined range and their doses are reduced exponentially. Therefore, tissues located before and after the tumors receive a significant dose. Today, new techniques based on proton and carbon charged...
When the classical charged particle is scattered on the likely charged target particle, executing the rapid finite motion, a metastable bound state of the incident particle and the target particle may occur. This type of behavior differs dramatically from the Rutherford scattering.
in this paper, we give an analytical approximate solution for an integro- differential equation which describes the charged particle motion for certain configurations of oscillating magnetic fields is considered. the homotopy analysis method (ham) is used for solving this equation. several examples are given to reconfirm the efficiency of these algorithms. the results of applying this procedure...
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