نتایج جستجو برای: rosenbluth separation
تعداد نتایج: 123340 فیلتر نتایج به سال:
We present parallel version of Rosenbluth Self-Avoiding Walk generation method implemented on Graphics Processing Units (GPUs) using CUDA libraries. The method scales almost linearly with the number of CUDA cores and the method efficiency has only hardware limitations. The method is introduced in two realizations: on a cubic lattice and in real space. We find a good agreement between serial and...
We report on a measurement of the asymmetry in the scattering of transversely polarized electrons off unpolarized protons, A( perpendicular), at two Q2 values of 0.106 and 0.230 (GeV/c)(2) and a scattering angle of 30 degrees <theta(e)<40 degrees . The measured transverse asymmetries are A( perpendicular)(Q(2)=0.106 (GeV/c)(2))=(-8.59+/-0.89(stat)+/-0.75(syst))x10(-6) and A( perpendicular)(Q(2)...
f dπ. From the weak law of large numbers we know that the empirical mean nSn = n −1∑n k=1 f(Xk) converges to μ in probability. This result is the working principle behind all Markov chain Monte Carlo (MCMC) integration techniques. The basis of MCMC dates back to the 50’s with the article of Metropolis, Rosenbluth, Rosenbluth, Teller and Teller (1953), but it is only with today’s computing power...
A check is made of a stabilization theorem of ROSENBLUTH and KRALL (Phys. Fluids 8, 1004 [1965]) according to which an inhomogeneous plasma in a minimum-ß field {ß 1) should be stable with respect to electrostatic drift instabilities when the particle distribution functions satisfy a condition given by TAYLOR, i. e. when AND ^fl^W <L 0. Although the dispersion relation of ROSENBLUTH and KRALL i...
We describe an algorithm for the Rosenbluth Monte Carlo enumeration of clusters and lattice animals. The method may also be used to calculate associated properties such as moments or perimeter multiplicities of the clusters. The scheme is an extension of the Rosenbluth method for growing polymer chains and is a simplification of a scheme reported earlier by one of the authors. The algorithm may...
Markov chain Monte Carlo (MC) simulations started in earnest with the 1953 article by Nicholas Metropolis, Arianna Rosenbluth, Marshall Rosenbluth, Augusta Teller and Edward Teller [18]. Since then MC simulations have become an indispensable tool with applications in many branches of science. Some of those are reviewed in the proceedings [13] of the 2003 Los Alamos conference, which celebrated ...
We propose to use the incident beam energy dependence of the Bethe-Heitler (BH) and deeply virtual Compton scattering (DVCS) amplitudes to isolate the BH·DVCS interference term from the pure DVCS 2 contribution to the photon electroproduction (ep → epγ) cross section in the deeply virtual regime. This is a necessary step in order to extract meaningful information about Generalized Parton Distri...
asymmetric membranes are widely used in many industrial membrane separation processes. the major advantage of membrane filtration over the conventional process is its ability to remove a wider spectrum of particles without using any chemicals. hollow fiber configuration offer many advantages over flat-sheet or tubular membranes. the spinning process of hollow fiber may look simple, yet it is te...
arc, with two end-plates energized by a common negative voltage referred to the central arc. Note that these are actually experimental results for a real central uranium arc, operating at about 50 volts, for more than 100 tests, at total arc currents of 1-100 amperes. The floating cylinder was about 4 feet in diameter, and the negatively energized circular end-plates were separated by about 3 f...
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