Better angle on hadron transverse momentum distributions at the Electron-Ion Collider

Better angle on hadron transverse momentum distributions at the Electron-Ion Collider

We propose an observable q* sensitive to transverse momentum dependence (TMD) in eN → ehX, with q*/EN defined purely by lab-frame angles. In 3D measurements of confinement and hadroniza- tion this resolves the crippling issue of accurately reconstructing small transverse momentum PhT. We prove facto...

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Veröffentlicht in:Physical review. D 2023-05, Vol.107 (9), Article L091504
Hauptverfasser: Gao, Anjie, Michel, Johannes K. L., Stewart, Iain W., Sun, Zhiquan
Format: Artikel
Sprache:eng
Schlagworte:
Effective field theory
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
Quantum chromodynamics
Strong interaction
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Zusammenfassung:We propose an observable q* sensitive to transverse momentum dependence (TMD) in eN → ehX, with q*/EN defined purely by lab-frame angles. In 3D measurements of confinement and hadroniza- tion this resolves the crippling issue of accurately reconstructing small transverse momentum PhT. We prove factorization for dσh/dq* for q*
ISSN:2470-0010
2470-0029
DOI:10.1103/PhysRevD.107.L091504