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658 papers · 1 filter
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…
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…
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…
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,…
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…
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…