6–12 Apr 2025
Goethe University Frankfurt, Campus Westend, Theodor-W.-Adorno-Platz 1, 60629 Frankfurt am Main, Germany
Europe/Berlin timezone

Gluon emission by a quark-antiquark antenna with realistic parton-medium interactions

Not scheduled
20m
Goethe University Frankfurt, Campus Westend, Theodor-W.-Adorno-Platz 1, 60629 Frankfurt am Main, Germany

Goethe University Frankfurt, Campus Westend, Theodor-W.-Adorno-Platz 1, 60629 Frankfurt am Main, Germany

Oral Jets

Speaker

André Cordeiro (LIP/IST)

Description

The spectrum of coherent gluon radiation from a quark-antiquark pair experiencing multiple scatterings within a coloured medium is central for understanding in-medium parton cascades. Despite its foundational importance, current results are limited by reliance on simplified scattering rates, such as the harmonic oscillator approximation, valid only in restricted phase-space regions. Using the formalism introduced in [1], we express the gluon emission spectrum as a set of differential equations that can be solved numerically, circumventing conventional approximations. We present the transverse momentum and energy distributions of emitted gluons for realistic interaction models, illustrating the breakdown of color coherence across the entire accessible phase-space, and consequently enabling a higher-precision description of jet observables.

[1] Andrés, Apolinário, Dominguez, JHEP 07 (2020) 114

Category Theory

Primary authors

Carlota Andres (MIT) Liliana Apolinario (LIP (PT)) Nestor Armesto Perez (Universidade de Santiago de Compostela (ES)) André Cordeiro (LIP/IST) Fabio Dominguez (IGFAE) Pablo Guerrero Rodríguez (Instituto Galego de Física de Altas Enerxías (IGFAE)) Dr Guilherme Milhano (LIP-Lisbon & CERN TH)

Presentation materials

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