P. Monni

Third-Order Logarithmic Resummation for Jet-Vetoed Higgs Production

Samuel Abreu, Jonathan R. Gaunt, Pier Francesco Monni +2

Jet vetoes are central to precision measurements of Higgs-boson properties at the Large Hadron Collider, where they are used to suppress backgrounds containing hard QCD radiation.…

Three-loop rapidity anomalous dimension for jet-veto cross sections

Samuel Abreu, Jonathan R. Gaunt, Pier Francesco Monni +2

We present the first calculation of the third-order corrections to the rapidity anomalous dimension for jet-veto cross sections. This is a crucial ingredient for the resummation of…

A Task Force on Strong Coupling Determinations from Event Shapes

Anthony Badea, Luca Buonocore, Gherardo Vita +19

The strong coupling constant $α_{s}$ is a fundamental parameter of the Standard Model. Its precise determination is essential for accurately predicting, studying, and understanding p…

Boosted Higgs-strahlung off a $W$ boson at next-to-next-to-next-to-leading order in QCD

Aude Gehrmann-De Ridder, Alexander Huss, Matteo Marcoli +5

The production of a boosted Higgs boson in association with a charged weak ( $W$ ) boson is a key process to scrutinize the electroweak symmetry breaking mechanism at hadron collider…

$N$ -Jettiness Soft Functions Made Simple

Luca Buonocore, Maximilian Delto, Kirill Melnikov +3

We present a new method to compute the soft function for the $N$ -Jettiness variable for arbitrary $N$ at high perturbative orders in QCD. It is based on the observation that the mo…

Analytical Soft Functions for Heavy-Quark Final States at Hadron Colliders

Ze Long Liu, Pier Francesco Monni

We present the first computation of the complete two-loop, fully-differential soft function describing the production of a heavy-quark pair in association with a color-singlet syst…

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…

Uncharted Logarithmic Structures in QCD Transverse-Energy Flow

Mrinal Dasgupta, Alexander Fraley, Pier Francesco Monni +1

We investigate the QCD transverse-energy ( $E_{T}$ ) flow distribution within an azimuthal region of phase space, defined by an angular interval $Δ ϕ$ on the plane transverse to a chose…

On the Edge of Safety: Charge-Charge Correlation in the Back-to-Back Limit

Pier Francesco Monni, Gherardo Vita, Zhen Xu +1

We investigate the Charge-Charge Correlation (QQC) in electron-positron annihilation as a probe of charge dynamics in Quantum Chromodynamics. While generally divergent beyond leadi…

Planar Six-Point Feynman Integrals for Four-Dimensional Gauge Theories

Samuel Abreu, Pier Francesco Monni, Ben Page +1

We compute all planar two-loop six-point Feynman integrals entering scattering observables in massless gauge theories such as QCD. A central result of this paper is the formulation…

The two-loop fully differential soft function for $Q Q ˉ V$ production at lepton colliders

Ze Long Liu, Pier Francesco Monni

We consider the production of a pair of heavy quarks $Q Q ˉ$ in association with a generic colour singlet system $V$ at lepton colliders, and present the first analytic calculat…

A collinear shower algorithm for NSL non-singlet fragmentation

Melissa van Beekveld, Mrinal Dasgupta, Basem Kamal El-Menoufi +3

We formulate a collinear partonic shower algorithm that achieves next-to-single-logarithmic (NSL, $α_{s}^{n} L^{n - 1}$ ) accuracy for collinear-sensitive non-singlet fragmentation observ…

hep-ph2024★ 32 cited

Scaling violation in power corrections to energy correlators from the light-ray OPE

Hao Chen, Pier Francesco Monni, Zhen Xu +1

In recent years, energy correlators have emerged as a powerful tool to explore the field theoretic structure of strong interactions at particle colliders. In this Letter we initiat…

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…

hep-ph2024★ 9 cited

Two-loop anomalous dimensions for small- $R$ jet versus hadronic fragmentation functions

Melissa van Beekveld, Mrinal Dasgupta, Basem Kamal El-Menoufi +3

We study the collinear fragmentation of highly energetic jets defined with a small jet radius. In particular, we investigate how the corresponding fragmentation functions differ fr…

hep-ph2023★ 17 cited

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…

hep-ph2023

Collinear fragmentation at NNLL: generating functionals, groomed correlators and angularities

Melissa van Beekveld, Mrinal Dasgupta, Basem Kamal El-Menoufi +2

Jet calculus offers a unique mathematical technique to bridge the area of QCD resummation with Monte Carlo parton showers. With the ultimate goal of constructing next-to-next-to-le…

hep-ph2023★ 3 cited

Exploring high-purity multi-parton scattering at hadron colliders

Jeppe R. Andersen, Pier Francesco Monni, Luca Rottoli +2

Multi-parton interactions are a fascinating phenomenon that occur in almost every high-energy hadron--hadron collision, yet are remarkably difficult to study quantitatively. In thi…

hep-ph2022★ 14 cited

Quark and gluon two-loop beam functions for leading-jet $p_{T}$ and slicing at NNLO

Samuel Abreu, Jonathan R. Gaunt, Pier Francesco Monni +2

We compute the complete set of two-loop beam functions for the transverse momentum distribution of the leading jet produced in association with an arbitrary colour-singlet system.…

Theory uncertainties in the fiducial Drell-Yan cross section and distributions

Xuan Chen, Thomas Gehrmann, Nigel Glover +5

In these proceedings we study various sources of theoretical uncertainty in the Drell-Yan $p_{T}^{ℓℓ}$ spectrum focussing on the $p_{T}^{ℓℓ} ≲ 100 GeV$ regio…

The analytic two-loop soft function for leading-jet $p_{T}$

Samuel Abreu, Jonathan R. Gaunt, Pier Francesco Monni +1

We present the calculation of the two-loop soft function for the transverse momentum distribution of the leading jet produced in association with any colour-singlet system (e.g.~a…

NNLO+PS with MiNNLO $_{PS}$ : status and prospects

Luca Buonocore, Mauro Chiesa, Gabriël Koole +9

We summarize the current status and near future prospects for next-to-next-to-leading order calculations matched to parton shower based on the MiNNLO $_{PS}$ method. We give a t…

hep-ph2022★ 18 cited

Leveraging universality of jet taggers through transfer learning

Frédéric A. Dreyer, Radosław Grabarczyk, Pier Francesco Monni

A significant challenge in the tagging of boosted objects via machine-learning technology is the prohibitive computational cost associated with training sophisticated models. Never…