نتایج جستجو برای: particle energies

تعداد نتایج: 221282  

Journal: :Journal of Chemical Physics 2021

Two methods for computing the entropy of hard-sphere systems using a spherical tether model are explored, which allow efficient use event-driven molecular-dynamics simulations. An intuitive derivation is given, relates rate particle collisions, either between two particles or and its respective tether, to an associated hypersurface area, bounds system’s accessible configurational phase space. I...

Journal: :Journal of High Energy Physics 2022

A bstract We derive analytic expansions for the finite-volume energies of weakly-interacting two-particle systems, using general relations between scattering amplitudes and derived by Lüscher others. The hold ground excited states with both zero non-zero total momentum in frame. number instructive aspects arise derivation, including role accidental degeneracies importance defining a power-count...

2003
R. B. McKibben J. J. Connell C. Lopate M. Zhang J. D. Anglin A. Balogh S. Dalla T. R. Sanderson R. G. Marsden M. Y. Hofer H. Kunow A. Posner

In 2000–2001 Ulysses passed from the south to the north polar regions of the Sun in the inner heliosphere, providing a snapshot of the latitudinal structure of cosmic ray modulation and solar energetic particle populations during a period near solar maximum. Observations from the COSPIN suite of energetic charged particle telescopes show that latitude variations in the cosmic ray intensity in t...

Journal: :The Journal of chemical physics 2014
Degao Peng Helen van Aggelen Yang Yang Weitao Yang

Recent development in particle-particle random phase approximation (pp-RPA) broadens the perspective on ground state correlation energies [H. van Aggelen, Y. Yang, and W. Yang, Phys. Rev. A 88, 030501 (2013), Y. Yang, H. van Aggelen, S. N. Steinmann, D. Peng, and W. Yang, J. Chem. Phys. 139, 174110 (2013); D. Peng, S. N. Steinmann, H. van Aggelen, and W. Yang, J. Chem. Phys. 139, 104112 (2013)]...

ژورنال: سنجش و ایمنی پرتو 2020

Radiotherapy using various beams is one of the methods for treating cancer, Hadrons  used   to  treat cancers  that  are  near critical organs. The most important part of the cell that is damage by ionizing radiation is DNA. In this study, damages induced in the  genetic material of  living cells (DNA) defined by  the  atomic model from the  protein data bank (PDB) have been studied by  radiati...

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