414 citations · 3.7k across the 113 of their papers we have counts for
126 papers · 1 filter
Resummation-scale uncertainties in PDF determinations
Hamed Abdolmaleki, Valerio Bertone, Giuseppe Bozzi +7
We investigate the impact of resummation-scale variations on parton distribution function (PDF) determinations. These variations introduce an additional source of theoretical uncer…
Bin-to-bin correlations in the extraction of proton's transverse structure
Laurent Favart, Francesco Hautmann, Aleksandra Lelek +1
We investigate the determination of non-perturbative QCD contributions, associated with proton's transverse structure, from high-precision experimental data for electroweak boson p…
The small kt-region in Drell-Yan production at next-to-leading order with the Parton Branching Method
I. Bubanja, A. Bermudez Martinez, L. Favart +10
The Parton Branching (PB) method describes the evolution of transverse momentum dependent (TMD) parton distributions, covering all kinematic regions from small to large transverse…
LHC sensitivity to Z'/W' states in composite Higgs models
J. Fiaschi, F. Giuli, F. Hautmann +1
Using the 4-Dimensional Composite Higgs Model (4DCHM) realization of the minimal composite Higgs scenario, we discuss the Large Hadron Collider (LHC) sensitivity to new physics sig…
Flavor-dependent b-profiles from Drell-Yan spectra at low transverse momenta
M. Bury, F. Hautmann, S. Leal-Gomez +3
We discuss our recent study of the impact of collinear PDFs and their uncertainties on the determination of transverse momentum dependent (TMD) distributions and the description of…
-boson dilepton searches and the high- quark density
J. Fiaschi, F. Giuli, F. Hautmann +2
We study the influence of theoretical systematic uncertainties due to the quark density on LHC experimental searches for -bosons. Using an approach originally proposed in…
Boson-jet and jet-jet azimuthal correlations at high transverse momenta
A. M. van Kampen, A. Bermudez Martinez, L. I. Estevez Banos +9
We discuss our recent results on azimuthal distributions in vector boson + jets and multi-jet production at the LHC, obtained from the matching of next-to-leading order (NLO) pertu…
Multi-jet Merging with TMD Parton Branching
A. Bermudez Martinez, F. Hautmann, M. L. Mangano
One of the main theoretical systematics in studies of final states with large jet multiplicities at high-energy hadron colliders is associated with the merging of QCD parton shower…
Azimuthal di-jet correlations with parton branching TMD distributions
A. Bermudez Martinez, F. Hautmann
The parton branching formulation of TMD evolution has recently been used to make predictions for jet observables at the Large Hadron Collider (LHC), including perturbative matching…
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…
Resummation Scales and the Assessment of Theoretical Uncertainties in Parton Distribution Functions
V. Bertone, G. Bozzi, F. Hautmann
We discuss perturbative solutions of renormalization group equations, and propose the use of resummation scale techniques in assessing theoretical uncertainties on the extraction o…
A parton branching with transverse momentum dependent splitting functions
F. Hautmann, M. Hentschinski, L. Keersmaekers +3
Off-shell, transverse-momentum dependent splitting functions can be defined from the high-energy limit of partonic decay amplitudes. Based on these splitting functions, we construc…
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…
Perturbative hysteresis and emergent resummation scales
V. Bertone, G. Bozzi, F. Hautmann
We investigate hysteresis effects in the perturbative solution of renormalisation group equations (RGEs). We present examples for the QCD running coupling and proton's parton distr…
PDF bias and flavor dependence in TMD distributions
Marcin Bury, Francesco Hautmann, Sergio Leal-Gomez +3
Transverse momentum dependent (TMD) distributions match collinear parton density functions (PDF) in the limit of small transverse distances, which is accounted for by global extrac…
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…
Enhancing the Large Hadron Collider Sensitivity to Charged and Neutral Broad Resonances of New Gauge Sectors
Juri Fiaschi, Francesco Giuli, Francesco Hautmann +1
In scenarios beyond the Standard Model (BSM) characterized by charged () or neutral () massive gauge bosons with large width, resonant mass searches are not ver…
Determination of the rapidity evolution kernel from Drell-Yan data at low transverse momenta
F. Hautmann, I. Scimemi, A. Vladimirov
We report recent results on the extraction of the rapidity evolution kernel for Sudakov processes from experimental measurements of Drell-Yan (DY) transverse momentum distributions…
Multi-jet physics at high-energy colliders and TMD parton evolution
A. Bermudez Martinez, F. Hautmann, M. L. Mangano
We discuss implications of the evolution of transverse momentum dependent (TMD) parton distributions on the structure of multi-jet states at high energies. In particular we analyze…
Complementarity of Lepton-Charge and Forward-Backward Drell-Yan Asymmetries for Precision Electroweak Measurements and Quark Density Determinations
Juri Fiaschi, Francesco Giuli, Francesco Hautmann +1
We address the impact of future measurements of charged and neutral current Drell-Yan (DY) asymmetries and their combination on Parton Distribution Functions (PDFs) uncertainties.…
TMD Evolution and Multi-Jet Merging
A. Bermudez Martinez, F. Hautmann, M. L. Mangano
The theoretical description of the physics of multi-jets in hadronic collisions at high energies is based on "merging" methods, which combine short-timescale production of jets wit…
Lepton-Charge and Forward-Backward Asymmetries in Drell-Yan Processes for Precision Electroweak Measurements and New Physics Searches
Juri Fiaschi, Francesco Giuli, Francesco Hautmann +1
Precision determinations of Standard Model (SM) Electro-Weak (EW) parameters at the Large Hadron Collider (LHC) are dominated by uncertainties due to Parton Distribution Functions…
TMDlib2 and TMDplotter: a platform for 3D hadron structure studies
N. A. Abdulov, A. Bacchetta, S. Baranov +35
A common library, TMDlib2, for Transverse-Momentum-Dependent distributions (TMDs) and unintegrated parton distributions (uPDFs) is described, which allows for easy access of common…
CASCADE3 A Monte Carlo event generator based on TMDs
S. Baranov, A. Bermudez Martinez, L. I. Estevez Banos +12
The CASCADE3 Monte Carlo event generator based on Transverse Momentum Dependent (TMD) parton densities is described. Hard processes which are generated in collinear factorization w…