Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-12T05:51:18.576195Z
Paper Citation Record · LEDGER
Two-Photon Optical Ramsey-Doppler Spectroscopy of Positronium and Muonium
As of 14 August 2026, this Paper Citation Record lists 43 of 43 outbound references and 0 inbound Pith citation observations for arXiv:2411.19872.
A citation records a reference. It does not transfer a finding from one paper to another.
Coverage vector
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
Reference resolution
43 of 43 outbound references displayed
- verified exact1
- verified fuzzy33
- unresolved9
- parse uncertain0
- malformed identifier0
- metadata mismatch0
External citation measurements
No source-named external measurement is stored.
Outbound references
Observation eede4443-915f-4653-a3d1-2a25df11f75c · outbound
This paper cites Karshenboim.
Two-Photon Optical Ramsey-Doppler Spectroscopy of Positronium and Muonium Karshenboim
Reference 1
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-12T05:51:19.030484Z
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 ff138186-b3a4-4862-896a-df24aa557f34 · outbound
This paper cites Precision spectroscopy of positronium: Test- ing bound-state qed theory and the search for physics beyond the standard model.Physics Reports, 975:1–61, 2022.
Two-Photon Optical Ramsey-Doppler Spectroscopy of Positronium and Muonium Precision spectroscopy of positronium: Test- ing bound-state qed theory and the search for physics beyond the standard model.Physics Reports, 975:1–61, 2022
Reference 2
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-12T05:51:19.022522Z
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 3d10c65b-8080-4e3a-924c-21fbe6d60e47 · outbound
This paper cites Spin-dependent exotic inter- actions.
Two-Photon Optical Ramsey-Doppler Spectroscopy of Positronium and Muonium Spin-dependent exotic inter- actions
Reference 3
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-12T05:51:19.014507Z
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 5021074c-924d-4828-b20c-6a6d94903640 · outbound
This paper cites Current and future perspectives of positronium and muonium spectroscopy as dark sectors probe.
Two-Photon Optical Ramsey-Doppler Spectroscopy of Positronium and Muonium Current and future perspectives of positronium and muonium spectroscopy as dark sectors probe
Reference 4
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-12T05:51:19.006406Z
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 234a1d97-74f6-4984-b0a4-6d9a4e841acd · outbound
This paper cites an unresolved cited work.
Two-Photon Optical Ramsey-Doppler Spectroscopy of Positronium and Muonium Unresolved cited work
Reference 5
- Resolution
- unresolved
- raw_fallback, observed 2026-08-12T05:51:18.998086Z
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 3d92101a-f9dc-428c-b76a-b7e8a1857051 · outbound
This paper cites Gomes, Alan Kostelecký, and Arnaldo J.
Two-Photon Optical Ramsey-Doppler Spectroscopy of Positronium and Muonium Gomes, Alan Kostelecký, and Arnaldo J
Reference 6
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-12T05:51:18.990183Z
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 448af21f-76c8-455f-81e5-717ed8b1142f · outbound
This paper cites Karshenboim.
Two-Photon Optical Ramsey-Doppler Spectroscopy of Positronium and Muonium Karshenboim
Reference 7
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-12T05:51:18.981891Z
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 ed7fc0fd-6fd8-47c4-a95a-5792d0070452 · outbound
This paper cites High precision measure- ments of the ground state hyperfine structure interval of muonium and of the muon mag- netic moment.
Two-Photon Optical Ramsey-Doppler Spectroscopy of Positronium and Muonium High precision measure- ments of the ground state hyperfine structure interval of muonium and of the muon mag- netic moment
Reference 8
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-12T05:51:18.973845Z
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 7c581461-1af6-4519-9aa1-6ea6b32ecc11 · outbound
This paper cites Strasser et al.
Two-Photon Optical Ramsey-Doppler Spectroscopy of Positronium and Muonium Strasser et al
Reference 9
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-12T05:51:18.964027Z
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 1f57727f-f224-4bfa-a512-460fe07019f4 · outbound
This paper cites Nishimura et al.
Two-Photon Optical Ramsey-Doppler Spectroscopy of Positronium and Muonium Nishimura et al
Reference 10
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-12T05:51:18.955579Z
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 8169176a-7a28-49a3-bece-4e8a55cfa83e · outbound
This paper cites an unresolved cited work.
Two-Photon Optical Ramsey-Doppler Spectroscopy of Positronium and Muonium Unresolved cited work
Reference 11
- Resolution
- unresolved
- raw_fallback, observed 2026-08-12T05:51:18.947706Z
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 7af7b34b-f3b9-4a74-9e98-4f4d8b7c61eb · outbound
This paper cites Ohayon et al.
Two-Photon Optical Ramsey-Doppler Spectroscopy of Positronium and Muonium Ohayon et al
Reference 12
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-12T05:51:18.939875Z
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 0d176619-bf44-4acf-b834-818e11300ea7 · outbound
This paper cites an unresolved cited work.
Two-Photon Optical Ramsey-Doppler Spectroscopy of Positronium and Muonium Unresolved cited work
Reference 13
- Resolution
- unresolved
- raw_fallback, observed 2026-08-12T05:51:18.931938Z
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 296dda38-3a73-4edc-81ce-39213b6da293 · outbound
This paper cites Meyer et al.
Two-Photon Optical Ramsey-Doppler Spectroscopy of Positronium and Muonium Meyer et al
Reference 14
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-12T05:51:18.924042Z
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 f91c6bcf-c7ca-47e0-9a50-79e812af521d · outbound
This paper cites Update of muonium 1 s–2 s transition frequency.
Two-Photon Optical Ramsey-Doppler Spectroscopy of Positronium and Muonium Update of muonium 1 s–2 s transition frequency
Reference 15
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-12T05:51:18.916019Z
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 5d9bbd43-9e56-47d1-99ef-48574872a18e · outbound
This paper cites an unresolved cited work.
Two-Photon Optical Ramsey-Doppler Spectroscopy of Positronium and Muonium Unresolved cited work
Reference 16
- Resolution
- unresolved
- raw_fallback, observed 2026-08-12T05:51:18.907745Z
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 f596510a-53c8-4a35-b589-644906e2be7c · outbound
This paper cites Heiss, Lucas de Sousa Borges, Artem Golovizin, and Paolo Crivelli.
Two-Photon Optical Ramsey-Doppler Spectroscopy of Positronium and Muonium Heiss, Lucas de Sousa Borges, Artem Golovizin, and Paolo Crivelli
Reference 17
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-12T05:51:18.899662Z
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 25a5a165-4dd1-4bd7-b326-1a9530b5e998 · outbound
This paper cites Huber, Brian Gross, Martin Weitz, and Theodor W.
Two-Photon Optical Ramsey-Doppler Spectroscopy of Positronium and Muonium Huber, Brian Gross, Martin Weitz, and Theodor W
Reference 18
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-12T05:51:18.890969Z
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 04a9ef2d-a634-471d-bf1c-d605a4172245 · outbound
This paper cites High-precisionramsey-comb spectroscopy at deep ultraviolet wavelengths.
Two-Photon Optical Ramsey-Doppler Spectroscopy of Positronium and Muonium High-precisionramsey-comb spectroscopy at deep ultraviolet wavelengths
Reference 19
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-12T05:51:18.881889Z
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 ef765fed-b99c-46ec-ab1e-4cc0f1ed0433 · outbound
This paper cites Density matrix equations and diagrams for high resolution non-linear laser spectroscopy: application to ramsey fringes in the optical domain.
Two-Photon Optical Ramsey-Doppler Spectroscopy of Positronium and Muonium Density matrix equations and diagrams for high resolution non-linear laser spectroscopy: application to ramsey fringes in the optical domain
Reference 20
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-12T05:51:18.873576Z
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 9009c6fc-13fb-4588-bacc-b1572f071405 · outbound
This paper cites Crivelli, U.
Two-Photon Optical Ramsey-Doppler Spectroscopy of Positronium and Muonium Crivelli, U
Reference 21
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-12T05:51:18.865135Z
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 db2f52c1-f188-4b42-a7d5-14700252a57d · outbound
This paper cites Antognini et al.
Two-Photon Optical Ramsey-Doppler Spectroscopy of Positronium and Muonium Antognini et al
Reference 22
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-12T05:51:18.857315Z
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 e95c69ee-4578-486e-b070-5a73da4ec218 · outbound
This paper cites Crivelli.
Two-Photon Optical Ramsey-Doppler Spectroscopy of Positronium and Muonium Crivelli
Reference 23
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-12T05:51:18.849318Z
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 4b6e21ae-7b54-4045-a70d-6a9116e73a74 · outbound
This paper cites Improving the beam quality of the low-energy muon beamline at paul scherrer institute: Characterization of ultrathin carbon foils.
Two-Photon Optical Ramsey-Doppler Spectroscopy of Positronium and Muonium Improving the beam quality of the low-energy muon beamline at paul scherrer institute: Characterization of ultrathin carbon foils
Reference 24
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-12T05:51:18.841441Z
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 d721553b-a56c-446e-b051-e9f76329aa37 · outbound
This paper cites Stable high power deep- uv enhancement cavity in ultra-high vac- uum with fluoride coatings.
Two-Photon Optical Ramsey-Doppler Spectroscopy of Positronium and Muonium Stable high power deep- uv enhancement cavity in ultra-high vac- uum with fluoride coatings
Reference 25
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-12T05:51:18.833273Z
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 33818b07-aac8-476f-b2e5-d74c4ac85663 · outbound
This paper cites Pulsed cw laser for long-term spec- troscopic measurements at high power in deep-uv.
Two-Photon Optical Ramsey-Doppler Spectroscopy of Positronium and Muonium Pulsed cw laser for long-term spec- troscopic measurements at high power in deep-uv
Reference 26
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-12T05:51:18.825131Z
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 796089db-285a-4657-a5e2-e1432cae7be8 · outbound
This paper cites Future facilities at PSI, the high-intensity muon beams (HIMB) project.
Two-Photon Optical Ramsey-Doppler Spectroscopy of Positronium and Muonium Future facilities at PSI, the high-intensity muon beams (HIMB) project
Reference 27
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-12T05:51:18.817103Z
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 6a0d6081-0c15-4445-bbb2-2ee1e48a8daa · outbound
This paper cites muCool: muon cooling for high-brightnessµ+ beams.
Two-Photon Optical Ramsey-Doppler Spectroscopy of Positronium and Muonium muCool: muon cooling for high-brightnessµ+ beams
Reference 28
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-12T05:51:18.809311Z
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 ce529c61-cc6a-4d5a-81ea-c9b9b7228d46 · outbound
This paper cites Precision Spec- troscopy of Positronium Using a Pulsed Slow Positron Beam.
Two-Photon Optical Ramsey-Doppler Spectroscopy of Positronium and Muonium Precision Spec- troscopy of Positronium Using a Pulsed Slow Positron Beam
Reference 29
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-12T05:51:18.801169Z
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 5f44aa09-402f-4663-a65e-fa66f8365522 · outbound
This paper cites an unresolved cited work.
Two-Photon Optical Ramsey-Doppler Spectroscopy of Positronium and Muonium Unresolved cited work
Reference 30
- Resolution
- unresolved
- raw_fallback, observed 2026-08-12T05:51:18.792992Z
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 3765a223-a70c-4919-a515-303216d2d411 · outbound
This paper cites Deller, B.
Two-Photon Optical Ramsey-Doppler Spectroscopy of Positronium and Muonium Deller, B
Reference 31
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-12T05:51:18.784841Z
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 79029537-fa41-4a6c-8482-b6ae82ed3f1a · outbound
This paper cites an unresolved cited work.
Two-Photon Optical Ramsey-Doppler Spectroscopy of Positronium and Muonium Unresolved cited work
Reference 32
- Resolution
- unresolved
- raw_fallback, observed 2026-08-12T05:51:18.777116Z
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 7816198c-2d49-4195-af23-b36a264884f2 · outbound
This paper cites Obser- vation of positronium annihilation in the 2s state: towards a new measurement of the 1s-2s transition frequency.Hyperfine Interac- tions, 233:67–73, 2015.
Two-Photon Optical Ramsey-Doppler Spectroscopy of Positronium and Muonium Obser- vation of positronium annihilation in the 2s state: towards a new measurement of the 1s-2s transition frequency.Hyperfine Interac- tions, 233:67–73, 2015
Reference 33
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-12T05:51:18.769300Z
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 4701b060-fd57-44c9-9aa7-d7358291149e · outbound
This paper cites an unresolved cited work.
Two-Photon Optical Ramsey-Doppler Spectroscopy of Positronium and Muonium Unresolved cited work
Reference 34
- Resolution
- unresolved
- raw_fallback, observed 2026-08-12T05:51:18.760988Z
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 18e9fa96-964c-42c1-919d-b21e957db2e0 · outbound
This paper cites Keitel, Nikolai Kolachevsky, Maximilian Georg Herrmann, Peter Fendel, Marc Fischer, Thomas Udem, Ronald Holzwarth, Theodor W.
Two-Photon Optical Ramsey-Doppler Spectroscopy of Positronium and Muonium Keitel, Nikolai Kolachevsky, Maximilian Georg Herrmann, Peter Fendel, Marc Fischer, Thomas Udem, Ronald Holzwarth, Theodor W
Reference 35
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-12T05:51:18.752744Z
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 1dd3e99f-80ea-4f39-a0c4-369da8bc65ec · outbound
This paper cites Research toward laser spectroscopy of trapped atomic hydrogen.
Two-Photon Optical Ramsey-Doppler Spectroscopy of Positronium and Muonium Research toward laser spectroscopy of trapped atomic hydrogen
Reference 36
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-12T05:51:18.744330Z
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 eae0e4a9-a53a-4cfb-b06f-843e5df97a3b · outbound
This paper cites SI-traceable fre- quency dissemination at 1572.06 nm in a stabilized fiber network with ring topology.
Two-Photon Optical Ramsey-Doppler Spectroscopy of Positronium and Muonium SI-traceable fre- quency dissemination at 1572.06 nm in a stabilized fiber network with ring topology
Reference 37
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-12T05:51:18.735898Z
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 5f673428-62c6-4caa-a4d0-a7a9b3292e69 · outbound
This paper cites A cold muonium beam for spectroscopy and gravity experiments.
Two-Photon Optical Ramsey-Doppler Spectroscopy of Positronium and Muonium A cold muonium beam for spectroscopy and gravity experiments
Reference 38
- Resolution
- verified exact
- raw_fallback, observed 2026-08-12T05:51:18.683181Z
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 8c2d955c-d04f-4e02-b871-6b87cdd263f0 · outbound
This paper cites Develop- ment of a cold atomic muonium beam for next generation atomic physics and gravity experiments.
Two-Photon Optical Ramsey-Doppler Spectroscopy of Positronium and Muonium Develop- ment of a cold atomic muonium beam for next generation atomic physics and gravity experiments
Reference 39
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-12T05:51:18.727131Z
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 210f2142-a9f6-437e-997b-fb6a9b6bc9c6 · outbound
This paper cites Hydrogen iso- tope and [sup 3]he impurities in liquid [sup 4]he.
Two-Photon Optical Ramsey-Doppler Spectroscopy of Positronium and Muonium Hydrogen iso- tope and [sup 3]he impurities in liquid [sup 4]he
Reference 40
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-12T05:51:18.718236Z
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 ebc09ec8-d803-4dc3-8fc0-4bd26c95f82b · outbound
This paper cites Towards the first CW Laser Spectroscopy of the Muonium 1S-2S Transition.
Two-Photon Optical Ramsey-Doppler Spectroscopy of Positronium and Muonium Towards the first CW Laser Spectroscopy of the Muonium 1S-2S Transition
Reference 41
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-12T05:51:18.709709Z
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 630ac145-69c0-4d48-b8e2-8cf0874e23f1 · outbound
This paper cites an unresolved cited work.
Two-Photon Optical Ramsey-Doppler Spectroscopy of Positronium and Muonium Unresolved cited work
Reference 42
- Resolution
- unresolved
- raw_fallback, observed 2026-08-12T05:51:18.700739Z
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 ee8b249b-b42a-45b7-9cf1-6cee17c41450 · outbound
This paper cites an unresolved cited work.
Two-Photon Optical Ramsey-Doppler Spectroscopy of Positronium and Muonium Unresolved cited work
Reference 43
- Resolution
- unresolved
- raw_fallback, observed 2026-08-12T05:51:18.691932Z
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.
Pith citing papers
No inbound Pith citation observations are available.