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Using standard components of modern Fortran we present a technique to dynamically generate strings with as little coding overhead as possible on the application side. Additionally we demonstrate how this can be extended to allow for output…

Programming Languages · Computer Science 2024-09-06 Marcus Mohr

The Dirac and Pauli form factors of the proton and neutron are obtained in the framework of the generalized parton distributions (GPDs) with some simple momentum transfer dependence. It is shown that both sets of the existing experimental…

High Energy Physics - Phenomenology · Physics 2007-12-24 O. V. Selyugin , O. V. Teryaev

In this paper we develop a projective phase space generator appropriate for hadron collider geometry. The generator integrates over bremsstrahlung events which project back to a single, fixed Born event. The projection is dictated by the…

High Energy Physics - Phenomenology · Physics 2018-11-14 Terrance M. Figy , Walter T. Giele

We describe the implementation of supersymmetric processes in the HERWIG Monte Carlo event generator. We define relevant parameter and mixing conventions and list the hard scattering matrix elements. Our implementation is based on the…

High Energy Physics - Phenomenology · Physics 2010-04-06 S. Moretti , K. Odagiri , P. Richardson , M. H. Seymour , B. R. Webber

DJpsiFDC is an event generator package for the process $gg\to J/\psi J/\psi$. It generates events for primary leading-order $2\to 2$ processes. The package could generate a LHE document and this document could easily be embedded into…

High Energy Physics - Experiment · Physics 2011-03-17 Cong-Feng Qiao , Jian Wang , Yang-heng Zheng

A leading-order, leading-color parton-level event generator is developed for use on a multi-threaded GPU. Speed-up factors between 150 and 300 are obtained compared to an unoptimized CPU-based implementation of the event generator. In this…

High Energy Physics - Phenomenology · Physics 2011-07-14 Walter Giele , Gerben Stavenga , Jan-Christopher Winter

In High Energy Physics, detailed and time-consuming simulations are used for particle interactions with detectors. To bypass these simulations with a generative model, the generation of large point clouds in a short time is required, while…

Data Analysis, Statistics and Probability · Physics 2024-01-03 Moritz Alfons Wilhelm Scham , Dirk Krücker , Kerstin Borras

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…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. Frixione , B. R. Webber

Point processes offer a versatile framework for sequential event modeling. However, the computational challenges and constrained representational power of the existing point process models have impeded their potential for wider…

Machine Learning · Statistics 2025-01-22 Zheng Dong , Zekai Fan , Shixiang Zhu

We apply generative adversarial network (GAN) technology to build an event generator that simulates particle production in electron-proton scattering that is free of theoretical assumptions about underlying particle dynamics. The difficulty…

We describe the physics and computational power of GRANIITTI Monte Carlo event generator, a new fully multithreaded engine designed for high energy diffraction, written in modern C++. The emphasis is especially on the low-mass domain of…

High Energy Physics - Phenomenology · Physics 2019-10-23 Mikael Mieskolainen

We have developed a fast Monte Carlo procedure of hadron generation allowing one to study and analyze various observables for stable hadrons and hadron resonances produced in ultra-relativistic heavy ion collisions. Particle multiplicities…

A WEB-portal HepWeb allows users to perform the most popular calculations in high energy physics - calculations of hadron-hadron, hadron-nucleus and nucleus-nucleus interaction cross sections as well as calculations of secondary particles…

High Energy Physics - Phenomenology · Physics 2012-09-03 E. I. Alexandrov , V. M. Kotov , V. V. Uzhinsky , P. V. Zrelov

We define EVL, a minimal higher-order functional language to deal with generic events. The notion of generic event extends the well-known notion of event traditionally used in a variety of areas, such as database management, concurrency,…

Logic in Computer Science · Computer Science 2021-11-01 Sandra Alves , Maribel Fernández , Miguel Ramos

Monte Carlo event generators are the central interface between theoretical calculations and experimental measurements in collider physics. Over several decades, a comprehensive and highly modular ecosystem of tools has developed around…

High Energy Physics - Phenomenology · Physics 2026-05-18 Melissa van Beekveld , Enrico Bothmann , Andy Buckley , Christian Gütschow , Peter Skands , Ramon Winterhalder

I review the array of event generators which have been written to provide simulations of high-energy e+e- reactions. (Session summary talk presented at the 1999 International Workshop on Linear Colliders, Sitges, Barcelona, Spain.)

High Energy Physics - Phenomenology · Physics 2007-05-23 Michael E. Peskin

A generic model for rolling access to synchrotron radiation experiments is presented, which has the capacity to replace call-based access models. Proposal submission, evaluation and scheduling are all executed in a rolling fashion. This…

We propose an interpretation of multiparty sessions with asynchronous communication as Flow Event Structures. We introduce a new notion of global type for asynchronous multiparty sessions, ensuring the expected properties for sessions,…

Logic in Computer Science · Computer Science 2026-04-08 Ilaria Castellani , Mariangiola Dezani-Ciancaglini , Paola Giannini

We present a new machine learning-based Monte Carlo event generator using generative adversarial networks (GANs) that can be trained with calibrated detector simulations to construct a vertex-level event generator free of theoretical…

Creating scalable, high performance PDE-based simulations requires a suitable combination of discretizations, differential operators, preconditioners and solvers. The required combination changes with the application and with the available…

Mathematical Software · Computer Science 2021-04-19 Jack D. Betteridge , Patrick E. Farrell , David A. Ham