Search for Zc(3900) ± → ωπ ±
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KünyeAblikim, M., Achasov, M. N., Ai, X. C., Albayrak, O., Albrecht, M., Ambrose, D. J. ... BESIII Collaboration. (2015). Search for Zc(3900) ± → ωπ ±. Physical Review D: Particles, Fields, Gravitation and Cosmology, 92(3), 1-7. http://dx.doi.org/10.1103/PhysRevD.92.032009
The decay Zc(3900)±→ωπ± is searched for using data samples collected with the BESIII detector operating at the BEPCII storage ring at center-of-mass energies s=4.23 and 4.26 GeV. No significant signal for the Zc(3900)± is found, and upper limits at the 90% confidence level on the Born cross section for the process e+e-→Zc(3900)±π →ωπ+π- are determined to be 0.26 and 0.18 pb at s=4.23 and 4.26 GeV, respectively.