29 September 2025 to 3 October 2025
YSU & AANL (YerPhI)
Asia/Yerevan timezone

Production of Baryons and Exotic Multiquark States with Large-pT in the Diquark Model

Not scheduled
20m
YSU & AANL (YerPhI)

YSU & AANL (YerPhI)

YSU - 1 Alek Manukyan St. AANL - 2 Alikhanyan Brothers St.

Speaker

Andrei Zelenov (NRC «Kurchatov Institute» - PNPI)

Description

A unified framework for describing the production of both baryons and exotic multiquark states at large transverse momentum is presented. The core of the approach is a scalar diquark proton model augmented by parton intrinsic transverse momentum. We show that this model successfully accounts for the observed strong scaling violation in inclusive proton production across a wide energy range, including data of √s = 11.5 GeV at U70 (NRC KI—IHEP, Protvino), √s = 23.4 GeV at Tevatron (FNAL, Chicago), and √s = 62 GeV at ISR (CERN, Geneva) experiments. Leveraging this validated mechanism, we provide new predictions for the formation cross-sections of tetraquark exotic states, interpreted as bound scalar diquark pairs. These estimates are particularly relevant for probing exotic QCD matter in pp and dd-collisions at the forthcoming SPD experiment on the NICA collider (JINR, Dubna).

Authors

Andrei Zelenov (NRC «Kurchatov Institute» - PNPI) Victor Kim (Petersburg Nuclear Physics Institute of NRC "Kurchatov Institute")

Presentation materials

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