Precision Positronium Spectroscopy as a Test of the Helium Ionization Energy Anomaly | Paper Citation Record

Observation 3144e639-dd2d-4b56-910f-d9b70bdd6b0c · outbound

This paper cites Precision physics of simple atoms: QED tests, nuclear structure and fundamental con- stants,.

Precision Positronium Spectroscopy as a Test of the Helium Ionization Energy Anomaly Precision physics of simple atoms: QED tests, nuclear structure and fundamental con- stants,

Reference 1

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T00:13:47.892247Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 83a3e829-e5bd-4350-b3ad-0fd52e539efb · outbound

This paper cites an unresolved cited work.

Precision Positronium Spectroscopy as a Test of the Helium Ionization Energy Anomaly Unresolved cited work

Reference 2

Resolution: unresolved; raw_fallback, observed 2026-08-16T00:13:47.826662Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation a05bdd37-5ee5-42bc-aba7-6871ed2f6d53 · outbound

This paper cites Ionization energy of metastable 3he (2 3s1) and the alpha- and helion-particle charge-radius difference from precision spectroscopy of thenprydberg series,.

Precision Positronium Spectroscopy as a Test of the Helium Ionization Energy Anomaly Ionization energy of metastable 3he (2 3s1) and the alpha- and helion-particle charge-radius difference from precision spectroscopy of thenprydberg series,

Reference 3

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T00:13:47.780169Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 4be99346-7320-4bfd-8fa2-ed7023b6562a · outbound

This paper cites Completeα 7mlamb shift of helium triplet states,.

Precision Positronium Spectroscopy as a Test of the Helium Ionization Energy Anomaly Completeα 7mlamb shift of helium triplet states,

Reference 4

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T00:13:47.721680Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 4d0dd1bf-4390-45f5-8933-4dec56fbefdd · outbound

This paper cites The ionization energy of metastable triplet helium,.

Precision Positronium Spectroscopy as a Test of the Helium Ionization Energy Anomaly The ionization energy of metastable triplet helium,

Reference 5

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T00:13:47.662615Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation ef2028cc-b380-423d-9e10-9ca835c0f017 · outbound

This paper cites Testing exotic electron– electron interactions with the helium ionization-energy anomaly,.

Precision Positronium Spectroscopy as a Test of the Helium Ionization Energy Anomaly Testing exotic electron– electron interactions with the helium ionization-energy anomaly,

Reference 6

Resolution: unresolved; no resolver link, observed 2026-08-16T00:13:44.646431Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation b6e5d352-bce8-4334-ae3f-ff72c116f487 · outbound

This paper cites Spectroscopy of 4He at 0.25 ppt un- certainty and improved alpha-helion charge-radius dif- ference determination,.

Precision Positronium Spectroscopy as a Test of the Helium Ionization Energy Anomaly Spectroscopy of 4He at 0.25 ppt un- certainty and improved alpha-helion charge-radius dif- ference determination,

Reference 7

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T00:13:47.601490Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation ce22dcad-60e8-4693-bbc1-154fc3cf6ae4 · outbound

This paper cites Precision physics of simple atoms and constraints on a light boson with ultraweak cou- pling,.

Precision Positronium Spectroscopy as a Test of the Helium Ionization Energy Anomaly Precision physics of simple atoms and constraints on a light boson with ultraweak cou- pling,

Reference 8

Resolution: unresolved; no resolver link, observed 2026-08-16T00:13:44.804736Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation faad50cf-34f0-477e-a71c-c50d52a993a9 · outbound

This paper cites New measurement of the 1s−3stransition frequency of hydrogen: Contribution to the proton charge radius puzzle,.

Precision Positronium Spectroscopy as a Test of the Helium Ionization Energy Anomaly New measurement of the 1s−3stransition frequency of hydrogen: Contribution to the proton charge radius puzzle,

Reference 9

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T00:13:47.492140Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 95b54ca0-7902-4259-929e-8ed69ecca155 · outbound

This paper cites A measurement of the atomic hydrogen lamb shift and the proton charge radius,.

Precision Positronium Spectroscopy as a Test of the Helium Ionization Energy Anomaly A measurement of the atomic hydrogen lamb shift and the proton charge radius,

Reference 10

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T00:13:47.447309Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 5bf6569b-9564-46a4-a7ff-07c35ea817a7 · outbound

This paper cites Precision- spectroscopic determination of the binding energy of a two-body quantum system: The hydrogen atom and the proton-size puzzle,.

Precision Positronium Spectroscopy as a Test of the Helium Ionization Energy Anomaly Precision- spectroscopic determination of the binding energy of a two-body quantum system: The hydrogen atom and the proton-size puzzle,

Reference 11

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T00:13:47.360420Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 35b9cbab-063b-4498-96dd-b204bfbedb79 · outbound

This paper cites Sub-part-per-trillion test of the Stan- dard Model with atomic hydrogen,.

Precision Positronium Spectroscopy as a Test of the Helium Ionization Energy Anomaly Sub-part-per-trillion test of the Stan- dard Model with atomic hydrogen,

Reference 12

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T00:13:47.309178Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 365d57ba-cbf2-42df-bda2-fa34ea974228 · outbound

This paper cites Precision spectroscopy of 2s-ns transitions in atomic hydrogen: A determination of the proton charge radius,.

Precision Positronium Spectroscopy as a Test of the Helium Ionization Energy Anomaly Precision spectroscopy of 2s-ns transitions in atomic hydrogen: A determination of the proton charge radius,

Reference 13

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T00:13:47.258638Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 90824f3f-5720-4d6b-ad23-b365e88d05d1 · outbound

This paper cites Improved measure- ment of the hydrogen 1S−2Stransition frequency,.

Precision Positronium Spectroscopy as a Test of the Helium Ionization Energy Anomaly Improved measure- ment of the hydrogen 1S−2Stransition frequency,

Reference 14

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T00:13:47.222835Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 93d70063-49b2-47aa-8574-9f1e7d32f379 · outbound

This paper cites Polyelectrons,.

Precision Positronium Spectroscopy as a Test of the Helium Ionization Energy Anomaly Polyelectrons,

Reference 15

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T00:13:47.188905Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 7fa14a09-4e17-4598-8725-c46c5eec8047 · outbound

This paper cites Precision spectroscopy of positronium: Testing bound-state QED theory and the search for physics be- yond the standard model,.

Precision Positronium Spectroscopy as a Test of the Helium Ionization Energy Anomaly Precision spectroscopy of positronium: Testing bound-state QED theory and the search for physics be- yond the standard model,

Reference 16

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T00:13:47.156649Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation f96d7079-fdcb-4a1d-94f5-4cc5c7033d74 · outbound

This paper cites an unresolved cited work.

Precision Positronium Spectroscopy as a Test of the Helium Ionization Energy Anomaly Unresolved cited work

Reference 17

Resolution: unresolved; no resolver link, observed 2026-08-16T00:13:44.983967Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 148ebf3f-ec5f-4ac2-b688-22297bfee87b · outbound

This paper cites Current and future perspectives of positronium and muonium spectroscopy as dark sectors probe,.

Precision Positronium Spectroscopy as a Test of the Helium Ionization Energy Anomaly Current and future perspectives of positronium and muonium spectroscopy as dark sectors probe,

Reference 18

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T00:13:47.096324Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 0c255070-ab27-4051-ab12-d1afe73ce2eb · outbound

This paper cites Probing new spin-independent interac- tions through precision spectroscopy in atoms with few electrons,.

Precision Positronium Spectroscopy as a Test of the Helium Ionization Energy Anomaly Probing new spin-independent interac- tions through precision spectroscopy in atoms with few electrons,

Reference 19

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T00:13:47.068523Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 238411bf-4e9e-46f1-bfbc-25551e28563e · outbound

This paper cites Con- straints on new physics in electrong−2 from a search for invisible decays of a scalar, pseudoscalar, vector, and axial vector,.

Precision Positronium Spectroscopy as a Test of the Helium Ionization Energy Anomaly Con- straints on new physics in electrong−2 from a search for invisible decays of a scalar, pseudoscalar, vector, and axial vector,

Reference 20

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T00:13:47.044654Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 23e49b73-13c7-4cee-96aa-8f1d35c2cbaf · outbound

This paper cites PositroniumS-state spectrum: Analytic results ato(mα 6),.

Precision Positronium Spectroscopy as a Test of the Helium Ionization Energy Anomaly PositroniumS-state spectrum: Analytic results ato(mα 6),

Reference 21

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T00:13:47.017886Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation e21beb2e-9e18-40b8-88b9-b77e70062eef · outbound

This paper cites Higher order corrections to positronium energy levels,.

Precision Positronium Spectroscopy as a Test of the Helium Ionization Energy Anomaly Higher order corrections to positronium energy levels,

Reference 22

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T00:13:46.983576Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 5cff8880-3e43-4284-8b77-36967c36fa1d · outbound

This paper cites Calculation of higher order corrections to positronium energy levels,.

Precision Positronium Spectroscopy as a Test of the Helium Ionization Energy Anomaly Calculation of higher order corrections to positronium energy levels,

Reference 23

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T00:13:46.954230Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation fa6cc824-1bba-4285-b6da-51c31f9d3e3b · outbound

This paper cites Constraints on exotic spin-dependent interac- tions between electrons from helium fine-structure spec- troscopy,.

Precision Positronium Spectroscopy as a Test of the Helium Ionization Energy Anomaly Constraints on exotic spin-dependent interac- tions between electrons from helium fine-structure spec- troscopy,

Reference 24

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T00:13:46.908522Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation bbf71931-903d-404e-8795-f850ca208679 · outbound

This paper cites Excitation of the Positro- nium 13S1→2 3S1 Two-Photon Transition,.

Precision Positronium Spectroscopy as a Test of the Helium Ionization Energy Anomaly Excitation of the Positro- nium 13S1→2 3S1 Two-Photon Transition,

Reference 25

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T00:13:46.873418Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation edf4d6dd-b72e-4df6-8072-1e3a6c1cece2 · outbound

This paper cites Measurement of the positronium 1 3s1–2 3s1 interval by doppler-free two- photon spectroscopy,.

Precision Positronium Spectroscopy as a Test of the Helium Ionization Energy Anomaly Measurement of the positronium 1 3s1–2 3s1 interval by doppler-free two- photon spectroscopy,

Reference 26

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T00:13:46.845322Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation fde53e0c-8a39-460a-9c6e-714d92cf9682 · outbound

This paper cites Measurement of the positronium 1 3s1–2 3s1 inter- val by continuous-wave two-photon excitation,.

Precision Positronium Spectroscopy as a Test of the Helium Ionization Energy Anomaly Measurement of the positronium 1 3s1–2 3s1 inter- val by continuous-wave two-photon excitation,

Reference 27

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T00:13:46.806170Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 51eb2f6a-d927-4660-b9ce-e636a3f80467 · outbound

This paper cites Measurement of the positronium 1 3s1–2 3s1 interval by continuous-wave two-photon excitation,.

Precision Positronium Spectroscopy as a Test of the Helium Ionization Energy Anomaly Measurement of the positronium 1 3s1–2 3s1 interval by continuous-wave two-photon excitation,

Reference 28

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T00:13:46.763023Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 2a3ba68d-7625-484c-a9ba-3fdd0e23c0d4 · outbound

This paper cites Precision continuous-wave laser measurement of the 13S1→2 3S1 interval in positro- nium,.

Precision Positronium Spectroscopy as a Test of the Helium Ionization Energy Anomaly Precision continuous-wave laser measurement of the 13S1→2 3S1 interval in positro- nium,

Reference 29

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T00:13:46.700199Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation e0723bae-227e-431b-a254-9e6f43513b4e · outbound

This paper cites Experimental progress in positronium laser physics,.

Precision Positronium Spectroscopy as a Test of the Helium Ionization Energy Anomaly Experimental progress in positronium laser physics,

Reference 30

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T00:13:46.651865Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 94d3c20e-aadc-4c43-b9d0-921dacce0394 · outbound

This paper cites Observation of 6 positronium annihilation in the 2sstate: Towards a new measurement of the 1s–2stransition frequency,.

Precision Positronium Spectroscopy as a Test of the Helium Ionization Energy Anomaly Observation of 6 positronium annihilation in the 2sstate: Towards a new measurement of the 1s–2stransition frequency,

Reference 31

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T00:13:46.616741Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 481d8080-769c-4bc6-b073-84ad13e1e3c5 · outbound

This paper cites Decelerating and cooling positronium for high-precision 1S–2S spectroscopy,.

Precision Positronium Spectroscopy as a Test of the Helium Ionization Energy Anomaly Decelerating and cooling positronium for high-precision 1S–2S spectroscopy,

Reference 32

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T00:13:46.579822Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 90a4b818-32b4-451b-af26-78c2326f0eef · outbound

This paper cites Positro- nium laser cooling via the 1 3S−23Ptransition with a broadband laser pulse,.

Precision Positronium Spectroscopy as a Test of the Helium Ionization Energy Anomaly Positro- nium laser cooling via the 1 3S−23Ptransition with a broadband laser pulse,

Reference 33

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T00:13:46.540979Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation b8b8f4ef-13ed-49e4-b36d-748205b2281b · outbound

This paper cites Cooling positronium to ul- tralow velocities with a chirped laser pulse train,.

Precision Positronium Spectroscopy as a Test of the Helium Ionization Energy Anomaly Cooling positronium to ul- tralow velocities with a chirped laser pulse train,

Reference 34

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T00:13:46.512679Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 3d108760-5cbb-42a7-a946-4a01c12b729c · outbound

This paper cites Measurement of the 1 3s1→2 3s1 interval in positronium using field ioniza- tion of rydberg states,.

Precision Positronium Spectroscopy as a Test of the Helium Ionization Energy Anomaly Measurement of the 1 3s1→2 3s1 interval in positronium using field ioniza- tion of rydberg states,

Reference 35

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T00:13:46.482876Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 28c579c0-277b-4893-b900-771043087d32 · outbound

This paper cites Two-photon optical ramsey–doppler spectroscopy of positronium and muonium,.

Precision Positronium Spectroscopy as a Test of the Helium Ionization Energy Anomaly Two-photon optical ramsey–doppler spectroscopy of positronium and muonium,

Reference 36

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T00:13:46.447594Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 0aa951d4-c647-45ce-84c5-db4c76e96619 · outbound

This paper cites A new broadly tunable (7.4–10.2ev) laser based vuv light source and its first application to aerosol mass spectrometry,.

Precision Positronium Spectroscopy as a Test of the Helium Ionization Energy Anomaly A new broadly tunable (7.4–10.2ev) laser based vuv light source and its first application to aerosol mass spectrometry,

Reference 37

Resolution: malformed identifier; raw_fallback, observed 2026-08-16T00:13:46.422737Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 174d11f8-6a59-489a-8563-cc43d31a61af · outbound

This paper cites First observation of resonant excitation of high-nstates in positronium,.

Precision Positronium Spectroscopy as a Test of the Helium Ionization Energy Anomaly First observation of resonant excitation of high-nstates in positronium,

Reference 38

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T00:13:46.391933Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 9213a11f-bd57-4ac0-8333-3208cddf128a · outbound

This paper cites Efficient Production of Rydberg Positro- nium,.

Precision Positronium Spectroscopy as a Test of the Helium Ionization Energy Anomaly Efficient Production of Rydberg Positro- nium,

Reference 39

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T00:13:46.254355Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 1bb94c70-3c0f-4607-b3ae-c514e7ecdd7c · outbound

This paper cites Selective Production of Rydberg-Stark States of Positronium,.

Precision Positronium Spectroscopy as a Test of the Helium Ionization Energy Anomaly Selective Production of Rydberg-Stark States of Positronium,

Reference 40

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T00:13:46.122283Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 2c500b77-1d5d-4b8a-9040-53a84f9379bb · outbound

This paper cites Laser excita- tion of then= 3 level of positronium for antihydrogen production,.

Precision Positronium Spectroscopy as a Test of the Helium Ionization Energy Anomaly Laser excita- tion of then= 3 level of positronium for antihydrogen production,

Reference 41

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T00:13:46.082276Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 7e9f5a1a-eb4f-468a-abf0-e84557db63c5 · outbound

This paper cites Excitation of positronium: from the ground state to Rydberg levels,.

Precision Positronium Spectroscopy as a Test of the Helium Ionization Energy Anomaly Excitation of positronium: from the ground state to Rydberg levels,

Reference 42

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T00:13:46.038740Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation f1fc168b-71ef-4c22-b2dd-2c0125fb2835 · outbound

This paper cites an unresolved cited work.

Precision Positronium Spectroscopy as a Test of the Helium Ionization Energy Anomaly Unresolved cited work

Reference 43

Resolution: unresolved; raw_fallback, observed 2026-08-16T00:13:46.000835Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 978690d7-655e-45d4-8851-b4447816b917 · outbound

This paper cites Metrology of rydberg states of the hydrogen atom,.

Precision Positronium Spectroscopy as a Test of the Helium Ionization Energy Anomaly Metrology of rydberg states of the hydrogen atom,

Reference 44

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T00:13:45.960454Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 39799c20-4024-471b-9dac-2180f147e36c · outbound

This paper cites Precision microwave spectroscopy of the positron- iumn= 2 fine structure,.

Precision Positronium Spectroscopy as a Test of the Helium Ionization Energy Anomaly Precision microwave spectroscopy of the positron- iumn= 2 fine structure,

Reference 45

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T00:13:45.914952Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 21173619-feb0-4d50-849c-6ec618a2aae3 · outbound

This paper cites Precision microwave spectroscopy of the positronium 2 3S1→2 3P2 interval,.

Precision Positronium Spectroscopy as a Test of the Helium Ionization Energy Anomaly Precision microwave spectroscopy of the positronium 2 3S1→2 3P2 interval,

Reference 46

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T00:13:45.844512Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 5f4d893f-db20-4d7a-8556-e4f8d61a6ba0 · outbound

This paper cites Phase-variation ram- sey spectroscopy of the 2 3s1→2 3p2 interval in positron- ium,.

Precision Positronium Spectroscopy as a Test of the Helium Ionization Energy Anomaly Phase-variation ram- sey spectroscopy of the 2 3s1→2 3p2 interval in positron- ium,

Reference 47

Resolution: verified fuzzy; raw_fallback, observed 2026-08-16T00:13:45.762094Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Coverage vector

Reference resolution

Outbound references

Pith citing papers