https://doi.org/10.1140/epjc/s10052-024-12795-6
Regular Article - Theoretical Physics
Investigation of 
as a molecular pentaquark state
1
Department of Physics, University of Tehran, North Karegar Avenue, 14395-547, Tehran, Iran
2
Department of Physics, Doǧuş University, Dudullu-Ümraniye, 34775, Istanbul, Turkey
3
School of Particles and Accelerators, Institute for Research in Fundamental Sciences (IPM), P.O. Box 19395-5531, Tehran, Iran
4
Electrical and Electronics Engineering Department, Atilim University, 06836, Ankara, Turkey
5
Department of Physics Engineering, Istanbul Medeniyet University, 34700, Istanbul, Turkey
Received:
22
March
2024
Accepted:
11
April
2024
Published online:
24
April
2024
is one of the interesting particles with its unclear structure and distinct properties. It has a light mass compared to its non-strange counterpart, despite the strange quark it carries. This situation puts the investigation of this resonance among the hot topics in hadron physics and collects attention to clarify its properties. In this study, we focus on the calculation of the mass and residue of the resonance within the framework of QCD sum rules. We assign a structure in the form of a molecular pentaquark composed from admixture of 
meson-proton and 
meson-neutron. Using an interpolating current in this form, the masses and the current coupling constant are attained as 
and 
for 
and 
and 
for I Lorentz structures entering the calculations, respectively. The obtained mass values agree well with the experimental data supporting the plausibility of the considered structure.
© The Author(s) 2024
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Funded by SCOAP3.
