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The precise determination of the cross section for electron-positron annihilation into hadrons is one of the central tasks of ongoing experiments at low energy colliders. These measurements have to be complemented by Monte Carlo generators…

High Energy Physics - Phenomenology · Physics 2015-06-16 H. Czyz , M. Gunia , J. H Kuhn

Vbfnlo is a flexible parton level Monte Carlo program for the simulation of vector boson fusion (VBF), double and triple vector boson (plus jet) production in hadronic collisions at next-to-leading order (NLO) in the strong coupling…

The GooFit package provides physicists a simple, familiar syntax for manipulating probability density functions and performing fits, and is highly optimized for data analysis on NVIDIA GPUs and multithreaded CPU backends. GooFit was updated…

Mathematical Software · Computer Science 2017-10-26 Henry Schreiner , Christoph Hasse , Bradley Hittle , Himadri Pandey , Michael Sokoloff , Karen Tomko

We introduce a method for matching the neutral-current deep inelastic scattering process with parton showers at first order in the strong coupling. This multiplicative matching is achieved by reweighting leading-order Born-level events and…

High Energy Physics - Phenomenology · Physics 2026-05-13 Ilkka Helenius , Joni O. Laulainen , Christian T. Preuss

VBFNLO is a flexible parton level Monte Carlo program for the simulation of vector boson fusion (VBF), QCD-induced single and double vector boson production plus two jets, and double and triple vector boson production (plus jet) in hadronic…

ZFITTER is a Fortran program for the calculation of fermion pair production and radiative corrections at high energy e+e- colliders; it is also suitable for other applications where electroweak radiative corrections appear. ZFITTER is based…

High Energy Physics - Phenomenology · Physics 2009-11-11 A. B. Arbuzov , M. Awramik , M. Czakon , A. Freitas , M. W. Gruenewald , K. Moenig , S. Riemann , T. Riemann

We report an implementation of the hadron-hadron ($pp$ and $p\bar{p}$) collision mode to the Monte Carlo event generator ReneSANCe - the code that was previously developed for $e^+e^-$ collisions. The described extension of ReneSANCe…

High Energy Physics - Phenomenology · Physics 2023-01-25 Serge Bondarenko , Yahor Dydyshka , Lidia Kalinovskaya , Renat Sadykov , Vitaly Yermolchyk

We propose a simple method to simulate $W/Z$ + jet productions at hadron collisions. The simulation can be done by using existing tools with some modifications allowed to users. $W/Z$ + 1 jet events are generated using an ME-based event…

High Energy Physics - Phenomenology · Physics 2007-05-23 Shigeru Odaka

This contribution describes some recent advances in the parallelization of the generation and processing of radio signals emitted by particle showers in CORSIKA 8. CORSIKA 8 is a Monte Carlo simulation framework for modeling ultra-high…

Instrumentation and Methods for Astrophysics · Physics 2023-09-08 A. Augusto Alves , Nikolaos Karastathis , Tim Huege

Several decades ago the Proximal Point Algorithm (PPA) started to gain a long-lasting attraction for both abstract operator theory and numerical optimization communities. Even in modern applications, researchers still use proximal…

Machine Learning · Computer Science 2024-05-29 Andrei Pătraşcu , Paul Irofti

The O(alpha) electroweak radiative corrections to gamma gamma --> WW --> 4f within the electroweak Standard Model are calculated in double-pole approximation (DPA). Virtual corrections are treated in DPA, leading to a classification into…

High Energy Physics - Phenomenology · Physics 2009-01-07 A. Bredenstein , S. Dittmaier , M. Roth

CompHEP, as a partonic event generator, and PYTHIA, as a generator of final states of detectable objects, are interfaced. Thus, integrated tool is proposed for simulation of (almost) arbitrary collision processes at the level of detectable…

We present a comprehensive assessment of multiparameter tests of general relativity (GR) in the inspiral regime of compact binary coalescences using principal component analysis (PCA). Our analysis is based on an extensive set of simulated…

The spin effects in the hadronization process have been included for the first time in the PYTHIA 8 event generator. The spin effects are limited to the production of pseudo-scalar mesons and are obtained from the propagation of the quark…

High Energy Physics - Phenomenology · Physics 2019-09-06 Albi Kerbizi , Leif Lönnblad

We present precise predictions for prompt photon production in association with a $Z$ boson and jets. They are obtained within the Sherpa framework as a consistently merged inclusive sample. Leptonic decays of the $Z$ boson are fully…

High Energy Physics - Phenomenology · Physics 2018-04-04 Johannes Krause , Frank Siegert

Gradient pattern analysis (GPA) is a well-established technique for measuring gradient bilateral asymmetries of a square numerical lattice. This paper introduces an improved version of GPA designed for galaxy morphometry. We show the…

The triangular enhancement of the rapidity distribution of hadrons produced in p+A reactions relative to p+p is a leading order in A^{1/3}/log(s) violation of longitudinal boost invariance at high energies. In A+A reactions this leads to a…

Nuclear Theory · Physics 2016-09-08 A. Adil , M. Gyulassy

A simple C++ class structure for construction of a Monte Carlo event generators which can produce unweighted events within relativistic phase space is presented. The generator is self-adapting to the provided matrix element and acceptance…

High Energy Physics - Phenomenology · Physics 2018-12-18 R. A. Kycia , J. Chwastowski , R. Staszewski , J. Turnau

We study the production of two electro-weak vector bosons in association with a jet via gluon fusion. In particular we consider the production of $\gamma Zg$, $ZZg$ and $W^{+}W^{-}g$ at hadron colliders and compute their cross-sections.…

High Energy Physics - Phenomenology · Physics 2013-05-30 Pankaj Agrawal , Ambresh Shivaji

A short review of both theoretical and experimental aspects of the radiative return method is presented. It is emphasised that the method gives not only possibility of the independent from the scan method measurement of the hadronic cross…

High Energy Physics - Phenomenology · Physics 2016-09-06 H. Czyz , A. Grzelinska , E. Nowak-Kubat