نتایج جستجو برای: mc simulation

تعداد نتایج: 573595  

Journal: :Journal of Applied Mathematics and Physics 2014

2008
Stefano Frixione Bryan R. Webber

This is the user’s manual of [email protected]. This package is a practical implementation, based upon the HERWIG event generator, of the recently proposed MC@NLO formalism for matching the next-to-leading order calculation of a QCD process with a parton-shower Monte Carlo simulation. The processes of standard-model vector boson pair production in hadronic collisions are available.

2008
A. Harel

We review the use of Monte Carlo (MC) simulation to model backgrounds to top signal at the Tevatron experiments, CDF and D0, as well as the relevant measurements done by the experiments. We’ll concentrate on the modeling of W and Z boson production in association with jets, in particular heavy flavor jets (HF), and also comment on the Tevatron experience using matched MC.

2004
L. Nurminen F. Tavazza D. P. Landau A. Kuronen K. Kaski

A classical hybrid MC-MD algorithm is applied to study physically interesting phenomena, such as island stability and formation of dimer-vacancy structures, on Si/Ge-covered Si(001). The method introduces collective moves into the standard MC algorithm to allow the system to escape from metastable states. Simulation results are found to be in good qualitative agreement with experiments.

Journal: :IEICE Transactions 2005
Shigehiko Tsumura Yoshitaka Hara Shinsuke Hara

Multi-carrier code division multiplexing (MC-CDM) is one of promising multiplexing techniques for fourth-generation mobile downlink communications systems, where high data rate services should be provided even for high speed-cruising mobiles. For MC-CDM-based packet communication, a frequency scheduling method, which adaptively assigns different sub-carriers to different users, is proposed. Thi...

Journal: :Biophysical journal 2007
Liang Dai Yuguang Mu Lars Nordenskiöld Alain Lapp Johan R C van der Maarel

A hexagonal liquid crystal of DNA fragments (double-stranded, 150 basepairs) with tetramethylammonium (TMA) counterions was investigated with small angle neutron scattering (SANS). We obtained the structure factors pertaining to the DNA and counterion density correlations with contrast matching in the water. Molecular dynamics (MD) computer simulation of a hexagonal assembly of nine DNA molecul...

2012
Patricio Orio Daniel Soudry

BACKGROUND The phenomena that emerge from the interaction of the stochastic opening and closing of ion channels (channel noise) with the non-linear neural dynamics are essential to our understanding of the operation of the nervous system. The effects that channel noise can have on neural dynamics are generally studied using numerical simulations of stochastic models. Algorithms based on discret...

2009
Mark H. M. Winands Yngvi Björnsson

Recently, Monte-Carlo Tree Search (MCTS) has advanced the field of computer Go substantially. In the game of Lines of Action (LOA), which has been dominated in the past by αβ, MCTS is making an inroad. In this paper we investigate how to use a positional evaluation function in a Monte-Carlo simulation-based LOA program (MC-LOA). Four different simulation strategies are designed, called Evaluati...

Journal: :Medical physics 2012
D Giantsoudi H Paganetti

PURPOSE To verify the clinical pencil beam dose calculation algorithm for passive scattering proton therapy using field with large range in tissue, i.e. in prostate cancer, using a Monte Carlo (MC) simulation system. METHODS Previously treated prostate cancer cases were randomly selected from our patient database. All patients received the same dose prescription of 50Gy (25 fractions) to plan...

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