489 citations · 8.1k across the 280 of their papers we have counts for
21 papers · 1 filter
Energy-scaling behavior of intrinsic transverse momentum parameters in Drell-Yan simulation
CMS Collaboration
An analysis is presented based on models of the intrinsic transverse momentum (intrinsic ) of partons in nucleons by studying the dilepton transverse momentum in Drel…
A framework for simultaneous fit of QCD and BSM parameters with xFitter
XiaoMin Shen, Simone Amoroso, Jun Gao +2
An extension of the xFitter open-source program for QCD analyses is presented, allowing for a polynomial parameterization of the dependence of physical observables on theoretical p…
Status of QCD precision predictions for Drell-Yan rapidity distributions
S. Alekhin, S. Amoroso, L. Buonocore +9
We compute differential distributions for Drell-Yan processes at the LHC and the Tevatron colliders at next-to-next-to-leading order in perturbative QCD, including fiducial cuts on…
Exploring SMEFT Couplings Using the Forward-Backward Asymmetry in Neutral Current Drell-Yan Production at the LHC
Andrii Anataichuk, Sven-Olaf Moch, Hamed Abdolmaleki +12
Neutral current Drell-Yan (DY) lepton-pair production is considered in the framework of the Standard Model Effective Field Theory (SMEFT). Using the open-source fit platform xFitte…
Matrix element corrections in the Pythia8 parton shower in the context of matched simulations at next-to-leading order
Stefano Frixione, Simone Amoroso, Stephen Mrenna
We discuss the role of matrix element corrections (MEC) to parton showers in the context of MC@NLO-type matchings for processes that feature unstable resonances, where MEC are liab…
Probing the weak mixing angle at high energy
Clara Lavinia Del Pio, Simone Amoroso, Mauro Chiesa +4
The weak mixing angle is a probe of the vector-axial coupling structure of electroweak interactions. It has been measured precisely at the -pole by experiments at the LEP and SL…
Probing the weak mixing angle at high energies at the LHC and HL-LHC
Simone Amoroso, Mauro Chiesa, Clara Lavinia Del Pio +4
Measurements of neutral current Drell-Yan production at large invariant dilepton masses can be used to test the energy scale dependence (running) of the electroweak mixing angle. I…
Probing the Weak Mixing Angle at high energies at the LHC
Federico Vazzoler, Simone Amoroso, Ekaterina Lipka +4
The electroweak mixing angle is a fundamental parameter of the theory of electroweak interactions. Its value has been measured precisely at the -pole at colliders. In t…
Drell-Yan cross-sections with fiducial cuts: impact of linear power corrections and -resummation in PDF determination
Simone Amoroso, Ludovica Aperio Bella, Maarten Boonekamp +5
Measurement at Hadron colliders of neutral- and charged-current Drell-Yan production provide essential constraints in the determination of parton distribution functions. Experiment…
xFitter: An Open Source QCD Analysis Framework. A resource and reference document for the Snowmass study
The xFitter Developers' Team, :, H. Abdolmaleki +21
We provide an overview of the xFitter open-source software package, review the general capabilities of the program, and highlight applications relevant to the Snowmass study. An up…
Snowmass 2021 whitepaper: Proton structure at the precision frontier
S. Amoroso, A. Apyan, N. Armesto +54
An overwhelming number of theoretical predictions for hadron colliders require parton distribution functions (PDFs), which are an important ingredient of theory infrastructure for…
HL-LHC Computing Review Stage-2, Common Software Projects: Event Generators
The HSF Physics Event Generator WG, :, Efe Yazgan +36
This paper has been prepared by the HEP Software Foundation (HSF) Physics Event Generator Working Group (WG), as an input to the second phase of the LHCC review of High-Luminosity…
Longitudinal Z-boson polarization and the Higgs boson production cross-section
Simone Amoroso
We present a study of the LHC (and HL-LHC) potential towards a precise determination of the gluon parton distribution function of the proton at intermediate Bjorken- from measur…
QCD analysis of pion fragmentation functions in the xFitter framework
xFitter Collaboration, Hamed Abdolmaleki, Maryam Soleymaninia +7
We present the first open-source analysis of fragmentation functions (FFs) of charged pions (entitled IPM-xFitter) computed at next-to-leading order (NLO) and next-to-next-to-leadi…
How to discover QCD Instantons at the LHC
Simone Amoroso, Deepak Kar, Matthias Schott
The Standard Model of particle physics predicts the existence of quantum tunnelling processes across topological inequivalent vacua, known as Instantons. In the electroweak sector,…
Particle spectra from dark matter annihilation: physics modeling and QCD uncertainties
Simone Amoroso, Sascha Caron, Adil Jueid +2
In this talk, we discuss the physics modelling of particle spectra arising from dark matter (DM) annihilation or decay. In the context of the indirect searches of DM, the final sta…
Longitudinal Z-Boson Polarization and the Higgs Boson Production Cross Section at the Large Hadron Collider
S. Amoroso, J. Fiaschi, F. Giuli +3
Charged lepton pairs are produced copiously in high-energy hadron collisions via electroweak gauge boson exchange, and are one of the most precisely measured final states in proton…
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…
Estimating QCD uncertainties in Monte Carlo event generators for gamma-ray dark matter searches
Simone Amoroso, Sascha Caron, Adil Jueid +2
Motivated by the recent galactic center gamma-ray excess identified in the Fermi-LAT data, we perform a detailed study of QCD fragmentation uncertainties in the modeling of the ene…
A description of the Galactic Center excess in the Minimal Supersymmetric Standard Model
Abraham Achterberg, Simone Amoroso, Sascha Caron +3
Observations with the Fermi Large Area Telescope (LAT) indicate an excess in gamma rays originating from the center of our Galaxy. A possible explanation for this excess is the ann…