41 citations · 220 across the 26 of their papers we have counts for
30 papers · 1 filter
A Powheg generator for - and -channel single-top production and decay including non-resonant effects
Melissa van Beekveld, Robin van Bijleveld, Silvia Ferrario Ravasio +2
We present a next-to-leading order + parton shower generator for - and -channel single-top production in hadron colliders, for a leptonically-decaying top, including off-shel…
A generalised- jet algorithm for Deep Inelastic Scattering
Melissa van Beekveld, Silvia Ferrario Ravasio, Alexander Karlberg +1
We introduce an inclusive generalised- jet algorithm for Deep Inelastic Scattering, defined in the Breit frame and implemented in fjcontrib. The family of algorithms is govern…
Logarithmically-accurate showers with massive quarks
Melissa van Beekveld, Silvia Ferrario Ravasio, Alba Soto-Ontoso +2
We formulate PanScales final-state showers that account for quark masses and achieve next-to-leading logarithmic accuracy, while preserving the original accuracy of the showers for…
The Physics of Herwig 7
J. Bellm, G. Bewick, S. Ferrario Ravasio +23
We present the physics foundations and recent developments of Herwig 7, the modern successor of the original HERWIG and Herwig++ series. Herwig 7 provides a flexible and systematic…
A new suite of Lund-tree observables to resolve jets
Melissa van Beekveld, Luca Buonocore, Silvia Ferrario Ravasio +3
We introduce a class of collider observables, named Lund-Tree Shapes (LTS), defined from declustering trees originating from the Lund jet plane representation of the QCD radiation…
Theory uncertainties of the irreducible background to VBF Higgs production
Xuan Chen, Silvia Ferrario Ravasio, Yacine Haddad +7
Higgs boson production through gluon fusion in association with two jets is an irreducible background to Higgs boson production through vector boson fusion, one of the most importa…
Higgs production via vector-boson fusion at the LHC
Gaetano Barone, Jiayi Chen, Stephane Cooperstein +12
In this article, we summarise the recent experimental measurements and theoretical work on Higgs boson production via vector-boson fusion at the LHC. Along with this, we provide st…
Building Next-to-Next Leading Logarithmic parton showers: the PanScales recipe
Silvia Ferrario Ravasio
Parton showers lie at the core of Shower Monte Carlo event generators, the default theoretical tools used to interpret collider data. In these proceedings, we summarise the strateg…
An event generator for neutrino-induced Deep Inelastic Scattering and applications to neutrino astronomy
Silvia Ferrario Ravasio, Rhorry Gauld, Barbara Jäger +2
We extend the recently presented, fully exclusive, next-to-leading-order accurate event generator for the simulation of massless neutral- and charged-current deep inelastic scatter…
Les Houches 2023: Physics at TeV Colliders: Standard Model Working Group Report
J. Andersen, B. Assi, K. Asteriadis +81
This report presents a short summary of the activities of the "Standard Model" working group for the "Physics at TeV Colliders" workshop (Les Houches, France, 12-30 June, 2023).
A new standard for the logarithmic accuracy of parton showers
Melissa van Beekveld, Mrinal Dasgupta, Basem Kamal El-Menoufi +9
We report on a major milestone in the construction of logarithmically accurate final-state parton showers, achieving next-to-next-to-leading-logarithmic (NNLL) accuracy for the wid…
Ad interim recommendations for the Higgs boson production cross sections at TeV
Alexander Karlberg, Julie Malcles, Bernhard Mistlberger +21
This note documents predictions for the inclusive production cross sections of the Standard Model Higgs boson at the Large Hadron Collider at a centre of mass energy of 13.6 TeV. T…
Introduction to the PanScales framework, version 0.1
Melissa van Beekveld, Mrinal Dasgupta, Basem Kamal El-Menoufi +11
In this article, we document version 0.1 of the PanScales code for parton shower simulations. With the help of a few examples, we discuss basic usage of the code, including tests o…
A POWHEG generator for deep inelastic scattering
Andrea Banfi, Silvia Ferrario Ravasio, Barbara Jäger +3
We present a new event generator for the simulation of both neutral- and charged-current deep inelastic scattering (DIS) at next-to-leading order in QCD matched to parton showers u…
Next-to-leading-logarithmic PanScales showers for Deep Inelastic Scattering and Vector Boson Fusion
Melissa van Beekveld, Silvia Ferrario Ravasio
We introduce the first family of parton showers that achieve next-to-leading logarithmic (NLL) accuracy for processes involving a -channel exchange of a colour-singlet, and embe…
Linear power corrections to shape variables in the three-jet region
Fabrizio Caola, Silvia Ferrario Ravasio, Giovanni Limatola +3
We use an abelian model to study linear power corrections which arise from infrared renormalons and affect event shapes in annihilation into hadrons. While previous studie…
On linear power corrections in certain collider observables
Fabrizio Caola, Silvia Ferrario Ravasio, Giovanni Limatola +2
We study linear power corrections to certain collider observables. We present arguments that prove that such corrections cannot appear in observables that…
Initial State Radiation in the Herwig 7 Angular-Ordered Parton Shower
Gavin Bewick, Silvia Ferrario Ravasio, Peter Richardson +1
We study the simulation of initial-state radiation in angular-ordered parton showers in order to investigate how different interpretations of the ordering variable affect the logar…
Infrared Renormalons in Collider Processes
Silvia Ferrario Ravasio
Precise theoretical predictions are a key ingredient for an accurate determination of the structure of the Langrangian of particle physics, including its free parameters, which sum…
A comparative study of Higgs boson production from vector-boson fusion
A. Buckley, X. Chen, J. Cruz-Martinez +9
The data taken in Run II at the LHC have started to probe Higgs boson production at high transverse momentum. Future data will provide a large sample of events with boosted Higgs b…
Non-resonant and offshell effects in top-pair observables
Silvia Ferrario Ravasio, Tomáš Ježo
In these proceedings we investigate the impact of offshell and non-resonant contributions to kinematic distributions in final states by comparing several next-to-leading…
Four-lepton production in gluon fusion at NLO matched to parton showers
Simone Alioli, Silvia Ferrario Ravasio, Jonas M. Lindert +1
We present a calculation of the next-to-leading order (NLO) QCD corrections to gluon-induced electroweak gauge boson pair production, and , matched to th…
Infrared Renormalons in Kinematic Distributions for Hadron Collider Processes
Silvia Ferrario Ravasio, Giovanni Limatola, Paolo Nason
Infrared renormalons in Quantum Chromodynamics are associated with non-perturbative corrections to short distance observables. Linear renormalons, i.e. such that the associated non…
Renormalon effects in top-mass sensitive observables
Silvia Ferrario Ravasio
A precise determination of the top mass is one of the key goals of the LHC and future colliders. Since power corrections are now becoming a source of worry for top-mass measurement…