Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links
Paper Citation Record · LEDGER
As of 10 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 5 inbound Pith citation observations for arXiv:2004.04469.
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 2026-08-10T06:31:04.303077+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links, observed 2026-08-06T14:40:22.795467Z
A source-named dated measurement, never combined with another source.
Source: arxiv_reference, observed 2026-05-11T04:50:58.584519Z
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 6a9a4952-5ab0-4b2f-9355-fb06304da042 · inbound
Axion Searches at the CERN SPS: From Their Dawn to Current Prospects Photoproduction of axion-like particles in the NA64 experiment
Reference 35
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 578bb3ad-06c9-40f9-bd1a-781292551681 · inbound
Loop-Level Lepton Flavor Violation and Diphoton Signals in the Minimal Left-Right Symmetric Model Photoproduction of axion-like particles in the NA64 experiment
Reference 148
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 9ba9660d-d6fb-4861-a12c-9a58d017f13d · inbound
Search for Axion Like Particles produced via the Primakoff process at COMPASS Photoproduction of axion-like particles in the NA64 experiment
Reference 27
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.
Observation 393b625c-4d18-4621-9f31-0da3850117c6 · inbound
Search for Sub-GeV Axion-Like Particles at EBES Pilot Run Using 4 GeV Positron Beam at KEK LINAC Photoproduction of axion-like particles in the NA64 experiment
Reference 3
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.
Observation d56e22bc-20e4-4674-abc1-81b1a5321576 · inbound
Searching for long-lived ALPs with a laser-assisted optical dump Photoproduction of axion-like particles in the NA64 experiment
Reference 58
Source-reported events for the cited work
Unavailable: canonical work link unavailable.