Using the world's largest samples of J/psi and psi (3686) events produced in e(+)e(-) annihilation, BESIII is uniquely positioned to study light hadrons in radiative and hadronic charmonium decays. In particular, exotic hadron candidates including multiquark states, hybrid mesons and glueballs can be studied in high detail. Recent highlights on the light exotics searches, including the observation of an isoscalar spin-exotic 1(-+) state eta(1)(1855) in J/psi -> gamma eta eta', the observation of X(2600) in J/psi -> gamma pi(+)pi(-)eta' and a PWA of J/psi -> gamma(KSKS0)-K-0 pi(0) are presented.

Light QCD exotics at BESIII

Garzia I.
2024

Abstract

Using the world's largest samples of J/psi and psi (3686) events produced in e(+)e(-) annihilation, BESIII is uniquely positioned to study light hadrons in radiative and hadronic charmonium decays. In particular, exotic hadron candidates including multiquark states, hybrid mesons and glueballs can be studied in high detail. Recent highlights on the light exotics searches, including the observation of an isoscalar spin-exotic 1(-+) state eta(1)(1855) in J/psi -> gamma eta eta', the observation of X(2600) in J/psi -> gamma pi(+)pi(-)eta' and a PWA of J/psi -> gamma(KSKS0)-K-0 pi(0) are presented.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11392/2556953
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