Measurement of the e + e − → p p ¯ π 0 cross section at s = 2.1000 − 3.0800     GeV

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doi:10.1103/PhysRevD.110.052006

Title: Measurement of the $e^{+} e^{-} \to p \bar{p} π^{0}$ cross section at $\sqrt{s} = 2.1000 - 3.0800 GeV$

Journal Article · 20 September 2024 · Physical Review. D.

DOI: https://doi.org/10.1103/PhysRevD.110.052006 · OSTI ID:2447498

Ablikim, M.; Achasov, M. N.; Adlarson, P.; Afedulidis, O.; Ai, X. C.; Aliberti, R.; Amoroso, A.; An, Q.; Bai, Y.; Bakina, O.; Balossino, I.; Ban, Y.; Bao, H. -R.; Batozskaya, V.; Begzsuren, K.; Berger, N.; Berlowski, M.; Bertani, M.; Bettoni, D.; Bianchi, F. more »

The process $e^{+} e^{-} \to p \bar{p} π^{0}$ is studied at 20 center-of-mass energies ranging from 2.1000 to 3.0800 GeV using $636.8 {pb}^{- 1}$ of data collected with the BESIII detector operating at the BEPCII collider. The Born cross sections for $e^{+} e^{-} \to p \bar{p} π^{0}$ are measured with high precision. Since the lowest center-of-mass energy, 2.1000 GeV, is less than 90 MeV above the $p \bar{p} π^{0}$ energy threshold, we can probe the threshold behavior for this reaction. However, no anomalous threshold enhancement is found in the cross sections for $e^{+} e^{-} \to p \bar{p} π^{0}$ . Published by the American Physical Society 2024

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Sponsoring Organization:: USDOE

Grant/Contract Number:: FG02-05ER41374

OSTI ID:: 2447498

Journal Information:: Physical Review. D., Journal Name: Physical Review. D. Journal Issue: 5 Vol. 110; ISSN PRVDAQ; ISSN 2470-0010

Publisher:: American Physical SocietyCopyright Statement

Country of Publication:: United States

Language:: English

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