منابع مشابه
Fast projectile stopping power of two-dimensional strongly correlated electron liquids
– We study the high-velocity-projectile limit of the polarizational contribution to the in-plane stopping power in a strongly coupled two-dimensional electron liquid. The dielectric formalism based on the method of moments is employed. The frequency moments of the loss function are calculated using the model Hamiltonian including the two-dimensional Coulomb interaction potential proportional to...
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The toy industry holds a large portion of the American consumer market, and new products are in constant demand. A new mechanism for use in children's toys has been proposed to fire small plastic balls at a rate of over four hundred per minute. A portable, small, and safe power system must be developed for this mechanism before it is implemented in new children's products. Power requirements fo...
متن کاملStopping Power Calculations for Heavy Relativistic Ions
Recent theoretical results have led to improvements in formulas for dE=dx, particularly in the regime of high projectile charge and moderate to highly relativistic velocities. In addition, integration of dE=dx leads to predictions of total range given initial energy and, reciprocally, initial energy given total range. We have compiled theoretical formulas for dE=dx from a variety of sources int...
متن کاملThe Comparison of the shares of stopping power in a soft tissue-equivalent material
Introduction: Proton therapy is a type of radiation treatment that it uses protons to treat cancer. Because of the protons’ unique ability to distribute the radiation dose more directly to the tumor, it minimizes the damage to nearby healthy tissues. The rate of energy loss by the ion in the target is called stopping power. The total stopping power is sum nuclear and electroni...
متن کاملStopping power of antiprotons in H, H2, and He targets
The stopping power of antiprotons in atomic and molecular hydrogen as well as helium was calculated in an impact-energy range from 1 keV to 6.4 MeV. In the case of H2 and He the targets were described with a single-active electron model centered on the target. The collision process was treated with the close-coupling formulation of the impact-parameter method. An extensive comparison of the pre...
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ژورنال
عنوان ژورنال: Journal of Physical Chemistry & Biophysics
سال: 2014
ISSN: 2161-0398
DOI: 10.4172/2161-0398.1000e122