Paper Citation Record · LEDGER

Direct CP violation and the $\Delta I=1/2$ rule in $K\to\pi\pi$ decay from the Standard Model

As of 22 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 10 inbound Pith citation observations for arXiv:2004.09440.

A citation records a reference. It does not transfer a finding from one paper to another.

pith.paper-citation-record.v1
2004.09440 v2

Coverage vector

measured 0 of 0 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links

measured 10 of 10 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-22T06:32:14.747728+00:00

measured 10 of 10 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links, observed 2026-08-10T23:10:19.973964Z

measured 0 of 1 external citation measurements

A source-named dated measurement, never combined with another source.

Source: arxiv_reference, observed 2026-07-04T16:29:56.475882Z

Reference resolution

0 of 0 outbound references displayed

verified exact0
verified fuzzy0
unresolved0
parse uncertain0
malformed identifier0
metadata mismatch0

External citation measurements

No source-named external measurement is stored.

Outbound references

No outbound reference observations are available for this paper version.

Pith citing papers

Observation 8308c662-e230-401f-b677-aa2ac95edbe2 · inbound

Vector-like quark doublets, weak-basis invariants and CP violation cites this paper.

Vector-like quark doublets, weak-basis invariants and CP violation Direct CP violation and the $\Delta I=1/2$ rule in $K\to\pi\pi$ decay from the Standard Model

Reference 124

Resolution: unresolved; no resolver link, observed 2026-08-10T23:10:19.973964Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation aaaf2149-ba71-4145-9f51-d01a19aa58a4 · inbound

2024 Update on $\varepsilon_K$ with lattice QCD inputs cites this paper.

2024 Update on $\varepsilon_K$ with lattice QCD inputs Direct CP violation and the $\Delta I=1/2$ rule in $K\to\pi\pi$ decay from the Standard Model

Reference 25

Resolution: unresolved; no resolver link, observed 2026-08-10T23:05:07.565768Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 4bfce5e7-8cb2-45c9-9481-d77b9a10cfa7 · inbound

$\Delta I =1/2$ process of $K\to\pi\pi$ decay on multiple ensembles with periodic boundary conditions cites this paper.

$\Delta I =1/2$ process of $K\to\pi\pi$ decay on multiple ensembles with periodic boundary conditions Direct CP violation and the $\Delta I=1/2$ rule in $K\to\pi\pi$ decay from the Standard Model

Reference 6

Resolution: unresolved; no resolver link, observed 2026-08-10T00:49:51.822788Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation b8f84f9f-b550-4110-a3e0-669739c6115b · inbound

From scattering towards multi-hadron weak decays cites this paper.

From scattering towards multi-hadron weak decays Direct CP violation and the $\Delta I=1/2$ rule in $K\to\pi\pi$ decay from the Standard Model

Reference 77

Resolution: unresolved; no resolver link, observed 2026-08-09T20:39:22.954259Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation be72abed-0059-43c4-8ce8-0e2b3e69ac98 · inbound

$B\to K{+}$invisible, dark matter, and $CP$ violation in hyperon decays cites this paper.

$B\to K{+}$invisible, dark matter, and $CP$ violation in hyperon decays Direct CP violation and the $\Delta I=1/2$ rule in $K\to\pi\pi$ decay from the Standard Model

Reference 87

Resolution: unresolved; no resolver link, observed 2026-08-07T21:03:06.910427Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 42e810f6-2f3d-404b-a12d-cc7632430c8c · inbound

CP violation in $K\to\mu^+\mu^-$ with and without time dependence through a tagged analysis cites this paper.

CP violation in $K\to\mu^+\mu^-$ with and without time dependence through a tagged analysis Direct CP violation and the $\Delta I=1/2$ rule in $K\to\pi\pi$ decay from the Standard Model

Reference 11

Resolution: verified exact; arxiv_id, observed 2026-05-21T23:45:46.687848Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.

Observation 5bcb3598-4cdf-4678-9506-c312e7c5b163 · inbound

Hyperon non-leptonic decays in relativistic Chiral Perturbation Theory with resonances cites this paper.

Hyperon non-leptonic decays in relativistic Chiral Perturbation Theory with resonances Direct CP violation and the $\Delta I=1/2$ rule in $K\to\pi\pi$ decay from the Standard Model

Reference 40

Resolution: metadata mismatch; arxiv_id, observed 2026-05-13T22:38:22.457963Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.

Observation daddae94-41a3-4a7a-9e5a-d3ee2a037129 · inbound

Axion-like particles and sterile neutrinos solve the $B\to K\nu\bar\nu$ and $B\to \pi K$ puzzles cites this paper.

Axion-like particles and sterile neutrinos solve the $B\to K\nu\bar\nu$ and $B\to \pi K$ puzzles Direct CP violation and the $\Delta I=1/2$ rule in $K\to\pi\pi$ decay from the Standard Model

Reference 31

Resolution: verified exact; arxiv_id, observed 2026-06-30T12:54:40.046000Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.

Observation d827e2ea-d765-45e6-a30b-d9b5688b46e5 · inbound

Isospin breaking corrections to a lattice QCD calculation of $\varepsilon'$ cites this paper.

Isospin breaking corrections to a lattice QCD calculation of $\varepsilon'$ Direct CP violation and the $\Delta I=1/2$ rule in $K\to\pi\pi$ decay from the Standard Model

Reference 19

Resolution: verified exact; arxiv_id, observed 2026-07-04T16:29:56.477698Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.

Observation 57f9e2fb-f39d-4b4a-b8d4-ad87394122e5 · inbound

Prospects for $K_{L}\to\pi^{0}\nu\bar{\nu}$, $K_S\to\mu^+\mu^-$, $K_L\to\pi^0 \ell^+\ell^-$ and $\varepsilon^{\prime}/\varepsilon$ after the new $K^{+}\to\pi^{+}\nu\bar{\nu}$ result from NA62 cites this paper.

Prospects for $K_{L}\to\pi^{0}\nu\bar{\nu}$, $K_S\to\mu^+\mu^-$, $K_L\to\pi^0 \ell^+\ell^-$ and $\varepsilon^{\prime}/\varepsilon$ after the new $K^{+}\to\pi^{+}\nu\bar{\nu}$ result from NA62 Direct CP violation and the $\Delta I=1/2$ rule in $K\to\pi\pi$ decay from the Standard Model

Reference 20

Resolution: unresolved; no resolver link, observed 2026-08-01T13:38:29.521015Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.