Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links
Paper Citation Record · LEDGER
As of 19 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 5 inbound Pith citation observations for arXiv:2004.13788.
A citation records a reference. It does not transfer a finding from one paper to another.
Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-19T06:32:44.657259+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links, observed 2026-08-11T15:21:14.813689Z
A source-named dated measurement, never combined with another source.
Source: arxiv_reference, observed 2026-07-02T17:37:15.038502Z
0 of 0 outbound references displayed
External citation measurements
No source-named external measurement is stored.
No outbound reference observations are available for this paper version.
Observation ecd28895-d622-4c4d-8047-c619bf5b47cc · inbound
Study on the structure of the $Z_{c}(3900)$ state Study of the process $e^+e^-\to\pi^0\pi^0 J/\psi$ and neutral charmonium-like state $Z_c(3900)^0$
Reference 24
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 9a792759-f89c-435a-a985-c42c121611ab · inbound
Study of $1^{--}$ P wave charmoniumlike and bottomoniumlike tetraquark spectroscopy Study of the process $e^+e^-\to\pi^0\pi^0 J/\psi$ and neutral charmonium-like state $Z_c(3900)^0$
Reference 66
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.
Observation 4f17b3f1-14a2-4f91-a806-1911ce29d15a · inbound
Deep Joint Source-Channel Coding for Small Satellite Applications Study of the process $e^+e^-\to\pi^0\pi^0 J/\psi$ and neutral charmonium-like state $Z_c(3900)^0$
Reference 20
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 3c00f3e9-91e1-4f62-abee-0c57245dafac · inbound
Vector charmonium(-like) states in the energy range of 4.1-4.6 GeV Study of the process $e^+e^-\to\pi^0\pi^0 J/\psi$ and neutral charmonium-like state $Z_c(3900)^0$
Reference 49
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.
Observation 4f2d2ff6-b11e-4401-871d-5ac930831a4c · inbound
Simultaneous Dalitz-plot decomposition of the $e^+ e^- \to J/\psi \, \pi \, \pi \, (K \bar{K})$ processes in the 4.13-4.36 GeV region using dispersive final-state interactions Study of the process $e^+e^-\to\pi^0\pi^0 J/\psi$ and neutral charmonium-like state $Z_c(3900)^0$
Reference 17
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.