Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-14T04:54:19.346578Z
Paper Citation Record · LEDGER
As of 15 August 2026, this Paper Citation Record lists 46 of 46 outbound references and 0 inbound Pith citation observations for arXiv:1909.03901.
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, observed 2026-08-14T04:54:19.346578Z
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-14T06:32:32.682623+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links
A source-named dated measurement, never combined with another source.
Source: cited_works
46 of 46 outbound references displayed
External citation measurements
No source-named external measurement is stored.
Observation b32379e1-ae4d-41c1-b3b2-bc8b7a64e3c1 · outbound
Production of $X(3872)$ and a Photon in $e^+e^-$ Annihilation The particles have short-range interactions that produce an S-wave resonance very close to the scattering threshold, whose energy we take to be E = 0
Reference 1
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation e66205da-c517-455f-ba31-9d92c6988d53 · outbound
Production of $X(3872)$ and a Photon in $e^+e^-$ Annihilation numerically of the order of 1 pb
Reference 2
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation ef5854ea-9dc8-48aa-a524-d05c31a501fe · outbound
Production of $X(3872)$ and a Photon in $e^+e^-$ Annihilation Unresolved cited work
Reference 3
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation 6726283f-de91-4dbe-bfb0-e6f120f30c91 · outbound
Production of $X(3872)$ and a Photon in $e^+e^-$ Annihilation This allowed the coupling of theX to a pair of charm mesons to be described by the momentum- independent vertex in Eq
Reference 4
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation 6bbf6ea4-4981-4e60-9174-ce8d9613c03f · outbound
Production of $X(3872)$ and a Photon in $e^+e^-$ Annihilation Unresolved cited work
Reference 5
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation 33391eea-7947-415f-9ce4-5291134226cf · outbound
Production of $X(3872)$ and a Photon in $e^+e^-$ Annihilation Exotics: Heavy Pentaquarks and Tetraquarks
Reference 6
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 07b41c51-91e3-41bc-980a-cdaed2ba013e · outbound
Production of $X(3872)$ and a Photon in $e^+e^-$ Annihilation Non-Standard Heavy Mesons and Baryons, an Experimental Review
Reference 7
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 88babb70-af89-430a-8113-06f772d7ace6 · outbound
Production of $X(3872)$ and a Photon in $e^+e^-$ Annihilation In the absorptive contribution, the widths of the spin-1 charm mesons are set to 0
Reference 8
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation 5180a89c-f40e-4f5e-8dce-c357a802e01e · outbound
Production of $X(3872)$ and a Photon in $e^+e^-$ Annihilation The hidden-charm pentaquark and tetraquark states
Reference 9
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation c5192d91-0c61-48f8-8348-1f95e190ac43 · outbound
Production of $X(3872)$ and a Photon in $e^+e^-$ Annihilation Exotic Hadrons with Heavy Flavors -X, Y, Z and Related States-
Reference 10
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation f47114d9-8292-4e6a-9d61-802ebec3efd1 · outbound
Production of $X(3872)$ and a Photon in $e^+e^-$ Annihilation Heavy-Quark QCD Exotica
Reference 11
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 52b5e886-fe49-417f-a0e0-1b1c141664c3 · outbound
Production of $X(3872)$ and a Photon in $e^+e^-$ Annihilation Multiquark Resonances
Reference 12
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 4f65ab6e-7ef7-429c-ab28-413633187369 · outbound
Production of $X(3872)$ and a Photon in $e^+e^-$ Annihilation Hadronic molecules
Reference 13
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 7cf0f519-f3f2-47b5-ac95-27a426d91dda · outbound
Production of $X(3872)$ and a Photon in $e^+e^-$ Annihilation Production of $X(3872)$ Accompanied by a Pion in $B$ Meson Decay
Reference 14
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation 9d9cbc01-6a96-4c1a-8fa1-f0c76dcb3aff · outbound
Production of $X(3872)$ and a Photon in $e^+e^-$ Annihilation The quantum numbers 1++ of theX imply thatXγ can be produced bye+e− annihilation into a virtual photon
Reference 15
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation d00ca24d-5c96-4c2c-a5af-6e66b1f6da3c · outbound
Production of $X(3872)$ and a Photon in $e^+e^-$ Annihilation Multiquark States
Reference 16
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation a026d386-c45d-487f-b427-062d5d5abe73 · outbound
Production of $X(3872)$ and a Photon in $e^+e^-$ Annihilation The XYZ states revisited
Reference 17
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation e9d5cdd5-7335-404f-b972-82c50a955b45 · outbound
Production of $X(3872)$ and a Photon in $e^+e^-$ Annihilation The $XYZ$ states: experimental and theoretical status and perspectives
Reference 18
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation f6e08058-f288-46c8-bf65-96da9bd794ef · outbound
Production of $X(3872)$ and a Photon in $e^+e^-$ Annihilation Observation of a narrow charmonium-like state in exclusive B+ -> K+ pi+pi- J/psi decays
Reference 19
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 75bb6a3e-f124-4e60-8925-93d3c42cde72 · outbound
Production of $X(3872)$ and a Photon in $e^+e^-$ Annihilation Determination of the X(3872) meson quantum numbers
Reference 20
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 6af04346-0c35-4610-bc2c-d8130c911751 · outbound
Production of $X(3872)$ and a Photon in $e^+e^-$ Annihilation Tanabashi et al
Reference 21
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation 87891ee5-e72f-4c98-9eed-031b45f0c075 · outbound
Production of $X(3872)$ and a Photon in $e^+e^-$ Annihilation Production of $X(3872)$ Accompanied by a Soft Pion at Hadron Colliders
Reference 22
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation 200ba898-1ece-4522-aba2-990530dcb30f · outbound
Production of $X(3872)$ and a Photon in $e^+e^-$ Annihilation Triangle Singularities and XYZ Quarkonium Peaks
Reference 23
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation e98334a1-6638-4d35-bd21-e9f961f2e1ae · outbound
Production of $X(3872)$ and a Photon in $e^+e^-$ Annihilation Searching for observable effects induced by anomalous triangle singularities
Reference 24
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 57254075-7015-4b3f-a843-467d705cf2f7 · outbound
Production of $X(3872)$ and a Photon in $e^+e^-$ Annihilation Dalitz plot distributions in presence of triangle singularities
Reference 25
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 82ab8378-ed25-4d88-8bd8-c84831902cf2 · outbound
Production of $X(3872)$ and a Photon in $e^+e^-$ Annihilation Traps in hadron spectroscopy: Thresholds, triangle singularities, etc
Reference 26
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation 71be0d36-768c-4f08-ac57-7d7472146c88 · outbound
Production of $X(3872)$ and a Photon in $e^+e^-$ Annihilation Novel Method for Precisely Measuring the $X(3872)$ Mass
Reference 27
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 0ef0c4c9-3815-428d-a1ca-af24803a8c0b · outbound
Production of $X(3872)$ and a Photon in $e^+e^-$ Annihilation $e^+e^- \to \gamma X(3872)$ near the $D^* {\bar D}^*$ threshold
Reference 28
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation 961bb04c-5719-4c66-b154-512b36e5b2ee · outbound
Production of $X(3872)$ and a Photon in $e^+e^-$ Annihilation Triangle Singularity in the Production of $X(3872)$ and a Photon in $e^+e^-$ Annihilation
Reference 29
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation 02d48488-9b41-4f5e-8dea-f419d5501a9c · outbound
Production of $X(3872)$ and a Photon in $e^+e^-$ Annihilation Exclusive open-charm near-threshold cross sections in a coupled-channel approach
Reference 30
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation bfae1c74-a0f6-4a6a-872f-fbf1e295b753 · outbound
Production of $X(3872)$ and a Photon in $e^+e^-$ Annihilation Observation of $e^{+} e^{-} \to \gamma X(3872)$ at BESIII
Reference 31
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 025a5094-edaf-48ae-866d-f08e099cfbea · outbound
Production of $X(3872)$ and a Photon in $e^+e^-$ Annihilation Study of $e^+e^- \to \gamma \omega J/\psi$ and Observation of $X(3872) \to \omega J/\psi$
Reference 32
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 24ca5a67-5202-49d4-b868-8fc6cbc87d45 · outbound
Production of $X(3872)$ and a Photon in $e^+e^-$ Annihilation Measurement of the near-threshold $e^+e^- \to D^{(*)\pm}{D}{}^{*\mp}$ cross section using initial-state radiation
Reference 33
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 91ff9c30-8710-4703-80cc-c0e4ebc0c591 · outbound
Production of $X(3872)$ and a Photon in $e^+e^-$ Annihilation Measurement of the near-threshold $e^+e^- \to D \bar D$ cross section using initial-state radiation
Reference 34
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 8df262a2-b6ff-40ee-904d-4333473d82cc · outbound
Production of $X(3872)$ and a Photon in $e^+e^-$ Annihilation $P$-wave coupled channel effects in electron-positron annihilation
Reference 35
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 7c725465-c33e-4862-a326-ce5bb87de920 · outbound
Production of $X(3872)$ and a Photon in $e^+e^-$ Annihilation Hadronic and radiative $D^*$ decays
Reference 36
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 236ea24e-3a06-4f2e-a8ef-ee9610bb2d69 · outbound
Production of $X(3872)$ and a Photon in $e^+e^-$ Annihilation Pion Interactions in the X(3872)
Reference 37
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation babda904-76ea-4dc3-8d17-5f43b643863c · outbound
Production of $X(3872)$ and a Photon in $e^+e^-$ Annihilation Galilean-Invariant XEFT
Reference 38
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 3546fbe8-d890-40ad-a2ff-d86d3f6c90f0 · outbound
Production of $X(3872)$ and a Photon in $e^+e^-$ Annihilation Scattering of an Ultrasoft Pion and the X(3872)
Reference 39
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation bcc7eeb0-c60b-41eb-9fc4-92e6260ac532 · outbound
Production of $X(3872)$ and a Photon in $e^+e^-$ Annihilation Branching Fractions of the $X(3872)$
Reference 40
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation b0ce8c7f-39ff-4465-96ad-f071e715324c · outbound
Production of $X(3872)$ and a Photon in $e^+e^-$ Annihilation Wormser (on behalf of the BaBar collaboration), presented at Quarkonium 2019 in Torino, May 2019
Reference 41
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation 9a5fba54-c037-4d20-a45a-993b53defdd6 · outbound
Production of $X(3872)$ and a Photon in $e^+e^-$ Annihilation Universality in Few-body Systems with Large Scattering Length
Reference 42
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 033bf0d5-8eae-4a5e-aec9-7f2beb4a90cb · outbound
Production of $X(3872)$ and a Photon in $e^+e^-$ Annihilation X(3872) diagnostics with decays to D {\bar D} \gamma
Reference 43
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation d3c4a49b-eb93-4de9-9b29-fef5611e22b2 · outbound
Production of $X(3872)$ and a Photon in $e^+e^-$ Annihilation CLEO-c Hot Topics
Reference 44
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation c5843a83-5a0b-4427-be4d-51efc3345225 · outbound
Production of $X(3872)$ and a Photon in $e^+e^-$ Annihilation Gell-Mann and F
Reference 45
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation 94add0b9-15c7-459d-b6c4-b5b10a456576 · outbound
Production of $X(3872)$ and a Photon in $e^+e^-$ Annihilation Salpeter and H.A
Reference 46
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
No inbound Pith citation observations are available.