6 papers · 1 filter
Aspects of Anomalies: Fermion Family Constraints, Gravitational Form Factors and Scattering Amplitudes
Dario Melle
Quantum anomalies play two complementary roles in quantum field theory: as consistency conditions that constrain the field content of a theory, and as dynamical effects encoded in…
The QCD Trace Anomaly in Pion Gravitational Form Factors with Sudakov Resummation
Claudio Corianò, Dario Melle, Leonardo Torcellini
We discuss the pion gravitational form factors at intermediate and large spacelike momentum transfer in a perturbative-QCD factorization framework. The short-distance kernel is sup…
The Pion Gravitational Form Factors and the Trace Anomaly in QCD Factorization
Claudio Corianò, Hsiang-nan Li, Dario Melle
We study the pion gravitational form factor in QCD factorization, focusing on the trace-anomaly component generated by the non-Abelian \(TJJ\) vertex. The calculation combines a Su…
The Gravitational Form Factor of the Pion in Perturbative QCD with a Dilaton Interaction
Claudio Corianò, Hsiang-nan Li, Dario Melle +1
We investigate the pion gravitational form factors (GFFs) at intermediate and large momentum transfer within the framework of QCD factorization. Our analysis centers on the non-Abe…
Anomaly-mediated Scalar Gravitational Interactions and the Coupling of Conformal Sectors
Claudio Corianò, Stefano Lionetti, Dario Melle +1
We investigate the anomaly-induced activation of a gauge-invariant scalar degree of freedom in General Relativity, the conformalon mode, directly at the level of \(2\to2\) scatteri…
Dilaton Sum Rules of Gravitational Form Factors in QCD at Order
Claudio Corianò, Stefano Lionetti, Dario Melle +1
We formulate a partonic description of hadronic gravitational form factors within QCD, focusing on the three-point function of the energy-momentum tensor and two gluon currents. De…