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.File in questo prodotto:
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