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hep-ph2026★ 1 cited

Extracting the speed of sound of QCD from transverse momentum fluctuations

Mubarak Alqahtani, Tribhuban Parida, Jean-Yves Ollitrault

We extract the speed of sound () in the quark-gluon plasma from ATLAS data on the probability distribution of the transverse momentum per particle, , in ultra-central P…

hep-ph2026★ 1 cited

Extracting a Toponium Signal at the LHC with Spin and Quantum Information Tools

Laura Antozzi, Esteban Chalbaud, Frédéric Déliot +6

We investigate near-threshold top-antitop production at the LHC, focusing on the impact of toponium formation on spin correlations and quantum information properties of the final s…

hep-ph2026

Searches for extra-dimensional excitations in light-by-light scattering

Malak Ait Tamlihat, Ghizlane Ez-Zobayr, Laurent Schoeffel +1

We present a comprehensive phenomenological analysis of the Radion in the Randall-Sundrum model, focusing on its production via light-by-light scattering in ultra-peripheral proton…

hep-ph2025

The Intrinsic Dimension of Collider Events and Model-Independent Searches in 100 Dimensions

Raffaele Tito D'Agnolo, Alfredo Glioti, Gabriele Rigo +1

The phase space of hadron collider events spans hundreds of dimensions, generating an intricate geometry that we are just starting to explore. The number of possible new physics si…

hep-ph2025

Weak Scale Triggers in the SMEFT

Pier Giuseppe Catinari, Raffaele Tito D'Agnolo, Pablo Sesma

There are no weak scale triggers in the SMEFT up to dimension six that can solve the hierarchy problem far above the weak scale. Our arguments can be used to show that the same is…

hep-ph2025

New Tests of Low-Scale Quantum Gravity with Cosmic-Ray Collisions

Manuel Ettengruber, Gonzalo Herrera

Cosmic ray collisions at high center of mass energy could enable graviton and black hole production as expected in theories of low-scale quantum gravity, such as extra-dimensions,…

hep-ph2025

Gluon splitting at small : a unified derivation for the JIMWLK, DGLAP and CSS equations

Paul Caucal, Edmond Iancu, Farid Salazar +1

We revisit the calculation of the next-to-leading order (NLO) corrections to dijet production in electron-ion collisions at small . We focus on the back-to-back configuration wh…

hep-ph2025★ 1 cited

Hadronic vacuum polarization to three loops in chiral perturbation theory

Laurent Lellouch, Alessandro Lupo, Mattias Sjö +2

Hadronic vacuum polarization at low virtualities limits the precision of experimental tests of the standard model via important physical observables. Here we compute that effect in…

hep-ph2025

Impact of relativistic corrections to high-pT prompt-psi(2S) production at hadron colliders

Valerio Bertone, Jean-Philippe Lansberg, Kate Lynch

We study relativistic corrections to prompt psi(2S) production at high pT in hadron colliders. Our calculation employs leading-power factorization with Fragmentation Functions (FFs…

hep-ph2025

Extraction of Dihadron Fragmentation Functions at NNLO with and without Neural Networks

Virgile Mahaut, Luca Polano, Alessandro Bacchetta +4

We present a new extraction of unpolarized Dihadron Fragmentation Functions, which describe the probability density for an unpolarized parton to fragment into a pair. Our…

hep-ph2025★ 2 cited

New insights from the flavor dependence of quark transverse momentum distributions in the pion

Lorenzo Rossi, Alessandro Bacchetta, Matteo Cerutti +1

We update our previous extraction of transverse momentum distributions of unpolarized quarks in the pion by implementing a more comprehensive description of theoretical uncertainti…

hep-ph2025

Constraining the Energy Momentum Tensor through DVCS Dispersion Relation beyond Leading Power

Víctor Martínez-Fernández, Daniele Binosi, Cédric Mezrag +1

In this letter, we analyse and interpret the kinematic power corrections to deeply virtual Compton scattering dispersion relation. We show that the kinematic corrections at twist-4…

hep-ph2025

The complementary of CTAO, direct detection and collider searches for dark matter in Effective Field Theories and Simplified models

Igor Reis, Andre Scaffidi, Emmanuel Moulin +1

This paper explores the sensitivity of the Cherenkov Telescope Array Observatory to dark matter annihilation in the Galactic Center, within the frameworks of Effective Field Theory…

hep-ph2025

Dispersion relations of deeply virtual Compton scattering: investigating twist-4 kinematic power corrections

Víctor Martínez-Fernández, Cédric Mezrag

In this paper we include kinematic power corrections up to twist-four to the deeply virtual Compton scattering dispersion relation. We demonstrate that, both for (pseudo-)scalar an…

hep-ph2025

Leptogenesis and Dirac neutrino masses in SO(10)

R. Aleksan, L. Oliver

Within the scheme of Baryogenesis through Leptogenesis in the single flavor approximation, we emphasize the role of the Dirac neutrino mass in the SO(10) Grand Unification sc…

hep-ph2025

Nuclear Cold QCD: Review and Future Strategy

F. Arleo, P. Caucal, A. Deshpande +12

This review examines data from hadron-nucleus collisions, primarily focusing on hard processes like Drell-Yan, heavy flavor and quarkonium production. It highlights observed modifi…

hep-ph2025

Quantum vs. semiclassical description of in-QGP quarkonia in the quantum Brownian regime

Aoumeur Daddi-Hammou, Stéphane Delorme, Jean-Paul Blaizot +2

In this work, we explore the range of validity of the semiclassical approximation of a quantum master equation designed to describe the dynamics in a quark gluon plasma…

hep-ph2025

Backward DVCS in a Sullivan process

Abigail R. Castro, Cédric Mezrag, Jose M. Morgado Chávez +1

Mesons' internal structure and dynamics may be accessed through hard exclusive electroproduction processes such as deeply virtual Compton scattering in both near forward and near b…

hep-ph2025

Heavy quark mass effects in charged-current deep-inelastic scattering at approximate NNLO in the Aivazis-Collins-Olness-Tung scheme

Peter Risse, Valerio Bertone, Tomas Ježo +4

The approximate SACOT- scheme for heavy quark production in deep-inelastic scattering was initially formulated for the neutral current structure functions and . We ex…

hep-ph2025★ 8 cited

Logarithmically-accurate and positive-definite NLO shower matching

Melissa van Beekveld, Silvia Ferrario Ravasio, Jack Helliwell +6

We present methods to achieve NLL+NLO accurate parton showering for processes with two coloured legs: neutral- and charged-current Drell-Yan, and Higgs production in collision…

hep-ph2025★ 31 cited

Quantum Information meets High-Energy Physics: Input to the update of the European Strategy for Particle Physics

Yoav Afik, Federica Fabbri, Matthew Low +68

Some of the most astonishing and prominent properties of Quantum Mechanics, such as entanglement and Bell nonlocality, have only been studied extensively in dedicated low-energy la…

hep-ph2025

Reinterpretation and preservation of data and analyses in HEP

Jon Butterworth, Sabine Kraml, Harrison Prosper +145

Data from particle physics experiments are unique and are often the result of a very large investment of resources. Given the potential scientific impact of these data, which goes…

hep-ph2025

The International Axion Observatory (IAXO): case, status and plans. Input to the European Strategy for Particle Physics

A. Arcusa, S. Ahyoune, K. Altenmuller +120

The International Axion Observatory (IAXO) is a next-generation axion helioscope designed to search for solar axions with unprecedented sensitivity. IAXO holds a unique position in…

hep-ph2025

Open database for GPD analyses

V. D. Burkert, A. Camsonne, P. Chatagnon +7

This article summarizes the main ideas behind creating an open database proposed for use in the exploration of generalized parton distributions (GPDs). This lightweight database is…