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The library provides a set of C++/Python functions for computing cross sections of ultraperipheral collisions of high energy particles under the equivalent photons approximation. Cross sections are represented through multiple integrals…

高能物理 - 唯象学 · 物理学 2024-09-06 E. V. Zhemchugov , S. I. Godunov , E. K. Karkaryan , V. A. Novikov , A. N. Rozanov , M. I. Vysotsky

We announce the forthcoming public release of Version 1.1 of MGGPOD, a user-friendly suite of Monte Carlo codes built around the widely used GEANT (Version 3.21) package. MGGPOD is capable of simulating ab initio the physical processes…

Recently, a diffusion Monte Carlo algorithm was applied to the study of spin dependent interactions in condensed matter. Following some of the ideas presented therein, and applied to a Hamiltonian containing a Rashba-like interaction, a…

We report results of a Monte Carlo simulation of the $\phi^4$ quantum field theory using multigrid simulation techniques and a refined discretization scheme. The resulting accuracy of our data allows for a significant test of an analytical…

高能物理 - 格点 · 物理学 2009-10-28 Wolfhard Janke , Tilman Sauer

The Monte Carlo integrator HAWK provides precision predictions for Higgs production at hadron colliders in vector-boson fusion and Higgs strahlung, i.e. in production processes where the Higgs boson is Attached to WeaK bosons. The fully…

高能物理 - 唯象学 · 物理学 2016-05-04 Ansgar Denner , Stefan Dittmaier , Stefan Kallweit , Alexander Mück

This contribution lists challenges of Monte Carlo event generators for future lepton, especially linear colliders. A lot of the recent development benefits from the achievements at the Large Hadron Collider (LHC), but several aspects are…

高能物理 - 唯象学 · 物理学 2024-12-19 Jürgen Reuter

VNI is a general-purpose Monte-Carlo event-generator, which includes the simulation of lepton-lepton, lepton-hadron, lepton-nucleus, hadron-hadron, hadron-nucleus, and nucleus-nucleus collisions. On the basis of renormalization-group…

高能物理 - 唯象学 · 物理学 2009-10-30 Klaus Geiger

A method for Monte Carlo simulation of 2D spin-polarized electron transport in III-V semiconductor heterojunction FETs is presented. In the simulation, the dynamics of the electrons in coordinate and momentum space is treated…

凝聚态物理 · 物理学 2010-10-12 Min Shen , Semion Saikin , Ming-C. Cheng , Vladimir Privman

We present Green's function Monte Carlo calculations of spectroscopic overlaps for $A \leq 7$ nuclei. The realistic Argonne v18 two-nucleon and Illinois-7 three-nucleon interactions are used to generate the nuclear states. The overlap…

核理论 · 物理学 2011-09-02 I. Brida , Steven C. Pieper , R. B. Wiringa

Because of properties of QED, the bremsstrahlung corrections to decays of particles or resonances can be calculated, with a good precision, separately from other effects. Thanks to the widespread use of event records such calculations can…

高能物理 - 唯象学 · 物理学 2008-11-07 Z. Was , P. Golonka , G. Nanava

Ultra-peripheral collisions (UPCs) of heavy ions can be used as a clean environment to study two-photon induced interactions such as dilepton pair photoproduction. Recently, precise data on lepton pair production in UPCs were obtained by…

高能物理 - 唯象学 · 物理学 2022-05-18 Nazar Burmasov , Evgeny Kryshen , Paul Buehler , Roman Lavicka

We present in detail a formulation of the shell model as a path integral and Monte Carlo techniques for its evaluation. The formulation, which linearizes the two-body interaction by an auxiliary field, is quite general, both in the form of…

核理论 · 物理学 2008-11-26 G. H. Lang , C. W. Johnson , S. E. Koonin , W. E. Ormand

Biological, linguistic, sociological and economical applications of statistical physics are reviewed here. They have been made on a variety of computers over a dozen years, not only at the NIC computers. A longer description can be found in…

科普物理 · 物理学 2007-05-23 D. Stauffer

We report recent progress in the study of a particular class of spin 1/2 XXZ model on two-dimensional lattices with frustrated diagonal and unfrustrated off-diagonal interactions. Quantum Monte Carlo simulations can be constructed without a…

无序系统与神经网络 · 物理学 2009-11-11 Roger G. Melko

We review efficient Monte Carlo methods for simulating quantum systems which couple to a dissipative environment. A brief introduction of the Caldeira-Leggett model and the Monte Carlo method will be followed by a detailed discussion of…

统计力学 · 物理学 2009-11-11 Philipp Werner , Matthias Troyer

We describe a number of recently developed cluster-flipping algorithms for the efficient simulation of classical spin models near their critical temperature. These include the algorithms of Wolff, Swendsen and Wang, and Niedermeyer, as well…

凝聚态物理 · 物理学 2007-05-23 G. T. Barkema , M. E. J. Newman

We extend our Monte Carlo generator of global configurations in nuclei to include different spatial distributions of protons and neutrons in heavy nuclei taking into account the difference of spatial correlations between two protons, two…

高能物理 - 唯象学 · 物理学 2019-09-04 Massimiliano Alvioli , Mark Strikman

Cross sections for proton inelastic collision with different nuclei are described within the Glauber and multiple scattering approximations. A significant difference between approximate `Glauber' formula and exact calculations with a…

高能物理 - 唯象学 · 物理学 2008-11-26 Tadeusz Wibig , Dorota Sobczynska

This work introduces two Monte Carlo (MC)-based sampling methods, known as line sampling and subset simulation, to improve the performance of standard MC analyses in the context of asteroid impact risk assessment. Both techniques sample the…

地球与行星天体物理 · 物理学 2020-09-28 Matteo Romano , Matteo Losacco , Camilla Colombo , Pierluigi Di Lizia

We present a Monte Carlo code dedicated to the simulation of bremsstrahlung arising in collisions of polarized electrons with thin target foils. The program consists of an electron transport algorithm taking into account elastic…

原子物理 · 物理学 2015-06-05 G. Weber , R. Märtin , A. Surzhykov , M. Yasuda , V. A. Yerokhin , Th. Stöhlker