Search for the reaction e(+) e(-) -> chi(cJ)pi(+)pi(-) and a Charmoniumlike Structure Decaying to chi(cJ)pi(+/-) between 4.18 and 4.60 GeV
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Ablikim, M. et al. 2021. “Search for the Reaction E+e- →χcJπ+π- And a Charmoniumlike Structure Decaying to ΧcJπ± between 4.18 and 4.60 GeV SEARCH for the REACTION E+e- →χcJπ+π- ... ABLIKIM M. et Al.” Physical Review D 103(5): 1–11.Abstract
We search for the process e(+)e(-) -> chi(cJ)pi(+) pi(-) (J = 0, 1, 2) and for a charged charmoniumlike state in the chi(cJ)pi +/- subsystem. The search uses datasets collected with the BESIII detector at the BEPCII storage ring at center-of-mass energies between 4.18 GeV and 4.60 GeV. No significant chi(cJ)pi(+) pi(-) signals are observed at any center-of-mass energy, and thus upper limits are provided which also serve as limits for a possible charmoniumlike structure in the invariant chi(cJ)pi +/- mass.
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Physical Review DVolume
103Issue
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