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HL-LHC Computing Review: Common Tools and Community Software
HEP Software Foundation, :, Thea Aarrestad +107
Common and community software packages, such as ROOT, Geant4 and event generators have been a key part of the LHC's success so far and continued development and optimisation will b…
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…