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Physics and programming aspects are discussed for a Fortran 77 Monte Carlo program to simulate complete events in deep inelastic lepton-nucleon scattering. The parton level interaction is based on the standard model electroweak cross…

高能物理 - 唯象学 · 物理学 2009-10-28 G. Ingelman , A. Edin , J. Rathsman

A Monte Carlo model has been developed to study the degradation of <1000 eV electrons in an atmosphere of CO2, which is one of the most abundant species in Mars' and Venus' atmospheres. The e-CO2 cross sections are presented in an assembled…

地球与行星天体物理 · 物理学 2010-11-22 Anil Bhardwaj , Sonal Kumar Jain

Fixed-node diffusion Monte Carlo (FNDMC) is a stochastic quantum many-body method that has a great potential in electronic structure theory. We examine how FNDMC satisfies exact constraints, linearity and derivative discontinuity of total…

化学物理 · 物理学 2019-10-16 Matej Ditte , Matus Dubecky

Numerical simulations are performed on a stochastic model based on Monte Carlo damage simulation process and Markov Chain Monte Carlo techniques to investigate the formation and evaluation of isolated and multiple DNA damage and cellular…

定量方法 · 定量生物学 2019-11-20 M. Loan , B. Freeman , A. Bhat , M. Tantary , M. Brown , K. Virk

We perform a comprehensive new Monte Carlo analysis of high-energy lepton-lepton, lepton-hadron and hadron-hadron scattering data to simultaneously determine parton distribution functions (PDFs) in the proton and parton to hadron…

高能物理 - 唯象学 · 物理学 2021-10-20 E. Moffat , W. Melnitchouk , T. C. Rogers , N. Sato

STRINGS is a Monte Carlo (MC) event generator for simulating the production and decay of first and second string resonances in proton-proton collisions. STRINGS can also interface with other programs such as Pythia using the Les Houches…

高能物理 - 唯象学 · 物理学 2025-01-06 Kyle Drury

In this paper, I investigate more closely the recently proposed Free Energy Monte Carlo algorithm that is devised in particular for calculations where conventional Monte Carlo simulations struggle with ergodicity problems. The simplest…

凝聚态物理 · 物理学 2007-05-23 M. J. Thill

We recently introduced new methods to study ultrarelativistic nuclear scattering by providing a link between the string model approach and a thermal description. The string model is used to provide information about fluctuations in energy…

核理论 · 物理学 2016-09-08 Klaus WERNER , Michael HLADIK

String breaking, the process by which flux tubes fragment into hadronic states, is a hallmark of confinement in strongly-interacting quantum field theories. A suite of quantum complexity measures is examined using Matrix Product States to…

高能物理 - 唯象学 · 物理学 2026-04-15 Sebastian Grieninger , Martin J. Savage , Nikita A. Zemlevskiy

Using Quantum Monte Carlo we compute thermodynamics and spectra for the orbitally degenerate Hubbard model in infinite spatial dimensions. With increasing orbital degeneracy we find in the one-particle spectra: broader Hubbard bands…

强关联电子 · 物理学 2009-10-31 J. E. Han , M. Jarrell , D. L. Cox

Charge neutralisation procedure based on a Markov chain Monte Carlo algorithm is applied to a system of generated hadrons. The algorithm changes the charge of a randomly picked particle by shifting it within its isomultiplet. For baryons…

核理论 · 物理学 2012-12-14 Zuzana Fecková , Boris Tomášik

The Worldvolume Hybrid Monte Carlo (WV-HMC) method [arXiv:2012.08468] is an efficient algorithm for addressing the numerical sign problem at moderate computational cost. It mitigates the sign problem while avoiding the ergodicity issues…

强关联电子 · 物理学 2026-05-15 Masafumi Fukuma , Yusuke Namekawa

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

String vibration represents an active field of research in acoustics. Small-amplitude vibration is often assumed, leading to simplified physical models that can be simulated efficiently. However, the inclusion of nonlinear phenomena due to…

数值分析 · 数学 2022-06-08 Michele Ducceschi , Stefan Bilbao

A study of b quark hadronisation is presented using inclusively reconstructed B hadrons in about four million hadronic Z decays recorded in 1992-2000 with the OPAL detector at LEP. The data are compared to different theoretical models, and…

高能物理 - 实验 · 物理学 2012-08-27 The OPAL collaboration

Results from the large hadron collider (LHC) show that no available Monte Carlo simulation incorporates our pre-LHC knowledge of soft and hard diffraction in a way that could be reliably extrapolated to LHC energies. As a simulation is…

高能物理 - 唯象学 · 物理学 2012-08-07 Konstantin Goulianos

Soft pp interactions are considered in the framework of the phenomenological model with color strings formation. Under the assumption, that the elementary collision is realized as interaction of two color dipoles, the total inelastic cross…

高能物理 - 唯象学 · 物理学 2013-10-23 V. N. Kovalenko

Tethering methods allow us to perform Monte Carlo simulations in ensembles with conserved quantities. Specifically, one couples a reservoir to the physical magnitude of interest, and studies the statistical ensemble where the total…

统计力学 · 物理学 2011-08-29 V. Martin-Mayor , B. Seoane , D. Yllanes

The Monte Carlo calculation of R\'enyi entanglement entropies $S^{}_n$ of interacting fermions suffers from a well-known signal-to-noise problem, even for a large number of situations in which the infamous sign problem is absent. A few…

强关联电子 · 物理学 2015-10-28 Joaquín E. Drut , William J. Porter

The observed limiting fragmentation of charged particle distributions in heavy ion collisions is difficult to explain as it does not apply to the proton spectrum itself. On the other hand, string percolation provides a mechanism to…

高能物理 - 唯象学 · 物理学 2008-11-26 P. Brogueira , J. Dias de Deus , C. Pajares