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Cross section measurements of $e^{+}e^{-}→ p \bar{p} π^{0}$ at center-of-mass energies between 4.008 and 4.600 GeV

Published in 2017 by M. Ablikim, M. N. Achasov, S. Ahmed, X. C. Ai, O. Albayrak, M. Albrecht, D. J. Ambrose, A. Amoroso, F. F. An, Q. An, J. Z. Bai, R. Baldini Ferroli, Y. Ban, D. W. Bennett, J. Bennett and other authors.
This paper is available in a repository.
This paper is available in a repository.

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Abstract

Based on $e^+e^-$ annihilation data samples collected with the BESIII detector at the BEPCII collider at 13 center of mass energies from 4.008 to 4.600 GeV, measurements of the Born cross section of $e^{+}e^{-}→ p \bar{p} π^{0}$ are performed. No significant resonant structure is observed in the measured energy-dependent cross section. The upper limit on the Born cross section of $e^{+}e^{-}→ Y(4260) → p \bar{p} π^{0}$ at the 90\% C.L. is determined to be 0.01 pb. ; Comment: 8 pages, 2 figures