5.6k citations · 8.6k across the 50 of their papers we have counts for
46 papers · 1 filter
Morphing parton showers with event derivatives
Benjamin Nachman, Stefan Prestel
We develop EventMover, a differentiable parton shower event generator. This tool generates high- and variable-length scattering events that can be moved with simulation derivatives…
Systematic Quark/Gluon Identification with Ratios of Likelihoods
Samuel Bright-Thonney, Ian Moult, Benjamin Nachman +1
Discriminating between quark- and gluon-initiated jets has long been a central focus of jet substructure, leading to the introduction of numerous observables and calculations to hi…
Collider Events on a Quantum Computer
Gösta Gustafson, Stefan Prestel, Michael Spannowsky +1
High-quality simulated data is crucial for particle physics discoveries. Therefore, parton shower algorithms are a major building block of the data synthesis in event generator pro…
Back-to-back azimuthal correlations in Z+jet events at high transverse momentum in the TMD parton branching method at next-to-leading order
H. Yang, A. Bermudez Martinez, L. I. Estevez Banos +9
Azimuthal correlations in Z+jet production at large transverse momenta are computed by matching Parton - Branching (PB) TMD parton distributions and showers with NLO calculations v…
A comprehensive guide to the physics and usage of PYTHIA 8.3
Christian Bierlich, Smita Chakraborty, Nishita Desai +11
This manual describes the PYTHIA 8.3 event generator, the most recent version of an evolving physics tool used to answer fundamental questions in particle physics. The program is m…
A standard convention for particle-level Monte Carlo event-variation weights
Enrico Bothmann, Andy Buckley, Christian Gütschow +21
Streams of event weights in particle-level Monte Carlo event generators are a convenient and immensely CPU-efficient approach to express systematic uncertainties in phenomenology c…
Combining N3LO QCD calculations and parton showers for hadronic collision events
Valerio Bertone, Stefan Prestel
Detailed and precise background predictions are the backbone of large parts of high-energy collider phenomenology. This requires to embed precision QCD calculations into detailed e…
Azimuthal correlations of high transverse momentum jets at next-to-leading order in the parton branching method
M. I. Abdulhamid, M. A. Al-Mashad, A. Bermudez Martinez +26
The azimuthal correlation, , of high transverse momentum jets in pp collisions at TeV is studied by applying PB-TMD distributions to NLO calculations via MCa…
Disentangling soft and collinear effects in QCD parton showers
Leif Gellersen, Stefan Höche, Stefan Prestel
We introduce a method for the separation of soft and collinear logarithms in QCD parton evolution at and at leading color. Using an implementation of the techn…
Coloring mixed QCD/QED evolution
Leif Gellersen, Stefan Prestel, Michael Spannowsky
Parton showers are crucial components of high-energy physics calculations. Improving their modelling of QCD is an active research area since shower approximations are stumbling blo…
Matching N3LO QCD calculations to parton showers
Stefan Prestel
The search for new interactions and particles in high-energy collider physics relies on precise background predictions. This has led to many advances in combining precise fixed-ord…
Probing Dark Matter with Disappearing Tracks at the LHC
Alexander Belyaev, Stefan Prestel, Felipe Rojas-Abbate +1
Models where dark matter is a part of an electroweak multiplet feature charged particles with macroscopic lifetimes due to the charged-neutral mass split of the order of pion mass.…
A Positive Resampler for Monte Carlo Events with Negative Weights
Jeppe R. Andersen, Christian Gutschow, Andreas Maier +1
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 involv…
Challenges in Monte Carlo event generator software for High-Luminosity LHC
The HSF Physics Event Generator WG, :, Andrea Valassi +38
We review the main software and computing challenges for the Monte Carlo physics event generators used by the LHC experiments, in view of the High-Luminosity LHC (HL-LHC) physics p…
Les Houches 2019: Physics at TeV Colliders: Standard Model Working Group Report
S. Amoroso, P. Azzurri, J. Bendavid +80
This Report summarizes the proceedings of the 2019 Les Houches workshop on Physics at TeV Colliders. Session 1 dealt with (I) new developments for high precision Standard Model cal…
On the reduction of negative weights in MC@NLO-type matching procedures
R. Frederix, S. Frixione, S. Prestel +1
We show how a careful analysis of the behaviour of a parton shower Monte Carlo in the vicinity of the soft and collinear regions allows one to formulate a modified MC@NLO-matching…
Scale and Scheme Variations in Unitarized NLO Merging
Leif Gellersen, Stefan Prestel
Precision background predictions with well-defined uncertainty estimates are important for interpreting collider-physics measurements and for planning future high-energy collider e…
Simulation of vector boson plus many jet final states at the high luminosity LHC
Stefan Höche, Stefan Prestel, Holger Schulz
We present a novel event generation framework for the efficient simulation of vector boson plus multi-jet backgrounds at the high-luminosity LHC and at possible future hadron colli…
Monte Carlo event generators for high energy particle physics event simulation
Andy Buckley, Frank Krauss, Simon Plätzer +40
Monte Carlo event generators (MCEGs) are the indispensable workhorses of particle physics, bridging the gap between theoretical ideas and first-principles calculations on the one h…
HYTREES: Combining Matrix Elements and Parton Shower for Hypothesis Testing
Stefan Prestel, Michael Spannowsky
We present a new way of performing hypothesis tests on scattering data, by means of a perturbatively calculable classifier. This classifier exploits the "history tree" of how the m…
On stochastically sampling color configurations
Joshua Isaacson, Stefan Prestel
Parton shower algorithms are key components of theoretical predictions for high-energy collider physics. Work towards more accurate parton shower algorithms is thus pursued along m…
Leading-color fully differential two-loop soft corrections to QCD dipole showers
Falko Dulat, Stefan Höche, Stefan Prestel
We compute the next-to-leading order corrections to soft-gluon radiation differentially in the one-emission phase space. We show that their contribution to the evolution of color d…
Les Houches 2017: Physics at TeV Colliders Standard Model Working Group Report
J. Bendavid, F. Caola, V. Ciulli +102
This Report summarizes the proceedings of the 2017 Les Houches workshop on Physics at TeV Colliders. Session 1 dealt with (I) new developments relevant for high precision Standard…
Combining states without scale hierarchies with ordered parton showers
Nadine Fischer, Stefan Prestel
We present a parameter-free scheme to combine fixed-order multi-jet results with parton-shower evolution. The scheme produces jet cross sections with leading-order accuracy in the…