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Related papers: Precision Cell Resampling with a Relative and Reso…

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We propose the Positive Resampler to solve the problem associated with event samples from state-of-the-art predictions for scattering processes at hadron colliders typically involving a sizeable number of events contributing with negative…

High Energy Physics - Phenomenology · Physics 2020-12-16 Jeppe R. Andersen , Christian Gutschow , Andreas Maier , Stefan Prestel

We study the use of cell resampling to reduce the fraction of negatively weighted Monte Carlo events in a generated sample typical of that used in experimental analyses. To this end, we apply the Cell Resampler to a set of $pp \rightarrow…

High Energy Physics - Phenomenology · Physics 2024-11-19 Jeppe R. Andersen , Ana Cueto , Stephen P. Jones , Andreas Maier

We demonstrate that cell resampling can eliminate the bulk of negative event weights in large event samples of high multiplicity processes without discernible loss of accuracy in the predicted observables. The application of cell resampling…

High Energy Physics - Phenomenology · Physics 2023-09-26 Jeppe R. Andersen , Andreas Maier , Daniel Maître

We propose a novel method for the elimination of negative Monte Carlo event weights. The method is process-agnostic, independent of any analysis, and preserves all physical observables. We demonstrate the overall performance and systematic…

High Energy Physics - Phenomenology · Physics 2022-06-01 Jeppe R. Andersen , Andreas Maier

We show that the $m_W$ measurement is a direct probe of New Physics (NP) contributing to lepton and missing transverse momentum ($\ell+MET$), independently from indirect tests via the electroweak fit. Such NP modifies the kinematic…

High Energy Physics - Phenomenology · Physics 2023-10-23 Kaustubh Agashe , Sagar Airen , Roberto Franceschini , Doojin Kim , Ashutosh V. Kotwal , Lorenzo Ricci , Deepak Sathyan

Inverse medium scattering problems arise in many applications, but in practice, the measurement data are often restricted to a limited aperture by physical or experimental constraints. Classical sampling methods, such as MUSIC and the…

Numerical Analysis · Mathematics 2025-09-19 Fuqun Han , Kazufumi Ito

We have developed a framework for automated transverse momentum resummation for arbitrary electroweak final states based on reweighting tree-level events. It is fully differential in the kinematics of the electroweak final states, which…

High Energy Physics - Phenomenology · Physics 2019-09-13 Thomas Becher , Monika Hager

High statistical precision is critical for Monte Carlo (MC) samples in high energy physics and is degraded by negatively weighted events. This paper investigates a procedure to learn the relationship between the negative and positive weight…

High Energy Physics - Experiment · Physics 2026-01-15 Christopher Palmer , Braden Kronheim

In this article we illustrate how event weights for jet events can be calculated efficiently at next-to-leading order (NLO) accuracy in QCD. This is a crucial prerequisite for the application of the Matrix Element Method in NLO. We modify…

High Energy Physics - Phenomenology · Physics 2015-09-18 Till Martini , Peter Uwer

We examine an extraction model for metamaterials, not previously reported, that gives precise, quantitative and causal representation of S parameter data over a broad frequency range, up to frequencies where the free space wavelength is…

Computational Physics · Physics 2015-09-04 David Schurig , Alex Orange

We present a novel method for studying the shape of the Z boson transverse momentum distribution, Q_T, at hadron colliders in ppbar/pp -> Z/gamma* -> l^+l^-. The Q_T is decomposed into two orthogonal components; one transverse and the other…

High Energy Physics - Experiment · Physics 2009-04-17 M. Vesterinen , T. R. Wyatt

We study the possibility to measure sin^2 theta_W by neutrino-electron scattering at a value of the momentum transfer Q ~ 30 MeV with a precision of 0.24% which is only a factor three below the one obtained by LEP-I at the Z-pole. The…

High Energy Physics - Phenomenology · Physics 2011-08-29 Sanjib Kumar Agarwalla , Patrick Huber

We demonstrate the use of the Matrix Element Method (MEM) for the measurement of masses, widths, and couplings in the case of single or pair production of semi-invisibly decaying resonances. For definiteness, we consider the two-body decay…

High Energy Physics - Phenomenology · Physics 2019-06-25 Amalia Betancur , Dipsikha Debnath , James S. Gainer , Konstantin T. Matchev , Prasanth Shyamsundar

Nanomechanical resonant sensors that are based on detecting and tracking the resonance frequency deviations due to events of interest are being advocated for a variety of applications. All sensor schemes currently in use are subject to a…

Applied Physics · Physics 2021-11-12 Alper Demir

We present a study of higher order QCD corrections beyond NLO to processes with electroweak vector bosons. We focus on the regions of high transverse momenta of commonly used differential distributions. We employ the LoopSim method,…

High Energy Physics - Phenomenology · Physics 2013-06-11 Sebastian Sapeta

In view of recent discussions concerning the possibly limiting energy resolution systematics on the measurement of the Z boson transverse momentum distribution at hadron colliders, we propose a novel measurement method based on the angular…

High Energy Physics - Experiment · Physics 2010-12-09 Maarten Boonekamp , Matthias Schott

We present a study of higher order QCD corrections beyond NLO to processes with an electroweak vector boson, W or Z, in association with jets. We focus on the regions of high transverse momenta of commonly used differential distributions.…

High Energy Physics - Phenomenology · Physics 2015-06-16 Daniel Maître , Sebastian Sapeta

Recently, a measurement of the vector-boson scattering process with same-sign W bosons has been reported by the CMS collaboration. Hence it is of prime importance to have precise predictions with next-to-leading order (NLO) accuracy. In…

High Energy Physics - Phenomenology · Physics 2017-08-03 Benedikt Biedermann , Ansgar Denner , Mathieu Pellen

Decades of work on beam deformation on reflection, and especially on lateral shifts, have spread the idea that a reflected beam is larger than the incident beam. However, when the right conditions are met, a beam reflected by a multilayered…

A new method for directly sampling the neutron resonance upscattering effect is presented. Alternatives have relied on inefficient rejection sampling techniques or large tabular storage of relative velocities. None of these approaches,…

Computational Physics · Physics 2023-03-16 Gavin Ridley , Benoit Forget , Timothy Burke
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