A model of pentaquarks

We describe pentaquarks as ‘baryo-charmonia’ with a color octet c c ¯ core bonded to a color octet three-quark system. Fermi statistics of the light quark cloud allows to describe two pentaquark triplets: a lower one, well supported by experiment, and a higher one with strangeness. For the time bein...

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Bibliographic Details
Published in:The European physical journal. C, Particles and fields Particles and fields, 2024-07, Vol.84 (7), p.755-9, Article 755
Main Authors: Germani, D., Niliani, F., Polosa, A. D.
Format: Article
Language:English
Subjects:
Astronomy
Astrophysics and Cosmology
Color
Elementary Particles
Fermi-Dirac statistics
Hadrons
Heavy Ions
Measurement Science and Instrumentation
Nuclear Energy
Nuclear Physics
Physics
Physics and Astronomy
Quantum Field Theories
Quantum Field Theory
Quarks
Regular Article - Theoretical Physics
Strangeness
String Theory
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Summary:We describe pentaquarks as ‘baryo-charmonia’ with a color octet c c ¯ core bonded to a color octet three-quark system. Fermi statistics of the light quark cloud allows to describe two pentaquark triplets: a lower one, well supported by experiment, and a higher one with strangeness. For the time being, the lowest line of the strange triplet has been experimentally identified in a 3 σ peak. Data also suggest two different production mechanisms for pentaquarks. We show how this can be described in the proposed scheme.
ISSN:1434-6052
1434-6044
1434-6052
DOI:10.1140/epjc/s10052-024-13103-y