A simple model for pentaquark

Thursday 11 Apr 2024, 14:00 → 16:00 Europe/Zurich

Lorenzo Capriotti (Universita e INFN, Ferrara (IT)), Mengzhen Wang (Università degli Studi e INFN Milano (IT))

remote meeting room:

https://cern.zoom.us/j/63343159099?pwd=bmpYT2dIQVFYRVZLR3l4MVExbkk1dz09

simpleModelForPentaquark_record.mp4

14:00 → 14:40 A simple model for pentaquark

In this presentation, I will introduce a model to describe pentaquarks as 'baryo-charmonia' with a color octet $c\bar{c}$ core bonded to a color octet three-quark system. I will discuss how, by utilizing Fermi statistics, we are able to obtain two different 'families' of pentaquarks and to give an explanation for the two production methods that seem to emerge from experimental analyses. I will briefly review the exchange interaction and then apply it to the case of the interacting three-quark system. This enables us to obtain two triplets of pentaquarks: a lower one, well-supported by experiment, and a higher one with strangeness. Furthermore, I will discuss the spin assignment that can be inferred from the use of exchange interaction. Finally, I will present some suggested channels to search for validating the proposed model.

Speaker: Davide Germani (Università La Sapienza di Roma)

arXiv:2403.04068

A Simple Model for Pentaquark.pdf

A Simple Model for Pentaquark.pptx