2-7 June 2019
Simon Fraser University
America/Vancouver timezone
Welcome to the 2019 CAP Congress Program website! / Bienvenue au siteweb du programme du Congrès de l'ACP 2019 !

67 - Meson-Hybrid Mixing in Vector and Axial Vector Charmonium

4 Jun 2019, 17:00
SWH 9082 + AQ South-East Corner / coin sud-est (Simon Fraser University)

SWH 9082 + AQ South-East Corner / coin sud-est

Simon Fraser University

Poster (Non-Student) / Affiche (Non-étudiant(e)) Particle Physics / Physique des particules (PPD) PPD Poster Session & Student Poster Competition Finals (26) | Session d'affiches PPD et finales du concours d'affiches étudiantes (26)


Derek Harnett (University of the Fraser Valley)


Hybrid mesons are hypothesized hadrons containing a constituent quark, antiquark, and gluon. Despite nearly 50 years of searching, hybrids have not yet been conclusively observed in experiment. Part of the problem could be due to hadron mixing, the idea that observed hadrons are actually superpositions of conventional mesons, hybrid mesons, and other combinations of constituents. To explore this idea, we look to the vector and axial vector charmonium-like resonances. Using the QCD sum-rules methodology, we test observed resonances for coupling to a meson-hybrid cross-correlator. Resonances which couple to both currents can be interpreted as evidence for meson-hybrid mixing.

Primary authors

Derek Harnett (University of the Fraser Valley) Tom Steele (U of Saskatchewan) Alex Palameta (University of Saskatchewan) Josha Ho (University of the Fraser Valley)

Presentation Materials