Positronium (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Positronium" in English language version.

refsWebsite

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21doi.org

2^nd place

17harvard.edu

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11arxiv.org

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10semanticscholar.org

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9nih.gov

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2worldcat.org

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1u-tokyo.ac.jp

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1psu.edu

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1unt.edu

1,336^th place

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1iaea.org

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1mit.edu

415^th place

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1physicsworld.com

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1handle.net

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1bbc.com

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1web.archive.org

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1doe.gov

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1physorg.com

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arxiv.org

Karshenboim, Savely G. (2003). "Precision Study of Positronium: Testing Bound State QED Theory". International Journal of Modern Physics A. 19 (23): 3879–3896. arXiv:hep-ph/0310099. Bibcode:2004IJMPA..19.3879K. doi:10.1142/S0217751X04020142. S2CID 14848837.
Badertscher, A.; Crivelli, P.; Fetscher, W.; Gendotti, U.; Gninenko, S. N.; Postoev, V.; Rubbia, A.; Samoylenko, V.; Sillou, D. (2007). "An Improved Limit on Invisible Decays of Positronium". Physical Review D. 75 (3): 032004. arXiv:hep-ex/0609059. Bibcode:2007PhRvD..75c2004B. doi:10.1103/PhysRevD.75.032004. S2CID 9001914.
Czarnecki, Andrzej; Karshenboim, Savely G. (2000). "Decays of Positronium". In Levchenko, B. B.; Savrin, V. I. (eds.). Proceedings of the International Workshop on High Energy Physics and Quantum Field Theory (QFTHEP). Vol. 14. pp. 538–544. arXiv:hep-ph/9911410. Bibcode:1999hep.ph...11410C.
Kataoka, Y.; Asai, S.; Kobayashi, t. (2009). "First Test of O(α²) Correction of the Orthopositronium Decay Rate" (PDF). Physics Letters B. 671 (2): 219–223. arXiv:0809.1594. Bibcode:2009PhLB..671..219K. doi:10.1016/j.physletb.2008.12.008.
Adkins, G. S.; Fell, R. N.; Sapirstein, J. (29 May 2000). "Order α² Corrections to the Decay Rate of Orthopositronium". Physical Review Letters. 84 (22): 5086–5089. arXiv:hep-ph/0003028. Bibcode:2000PhRvL..84.5086A. doi:10.1103/PhysRevLett.84.5086. PMID 10990873. S2CID 1165868.
Cooke, D. A.; Crivelli, P.; Alnis, J.; Antognini, A.; Brown, B.; Friedreich, S.; Gabard, A.; Haensch, T. W.; Kirch, K.; Rubbia, A.; Vrankovic, V. (2015). "Observation of positronium annihilation in the 2S state: towards a new measurement of the 1S-2S transition frequency". Hyperfine Interact. 233 (1–3): 67–73. arXiv:1503.05755. Bibcode:2015HyInt.233...67C. doi:10.1007/s10751-015-1158-4. S2CID 89605682.
Rubbia, A. (2004). "Positronium as a probe for new physics beyond the standard model". International Journal of Modern Physics A. 19 (23): 3961–3985. arXiv:hep-ph/0402151. Bibcode:2004IJMPA..19.3961R. CiteSeerX 10.1.1.346.5173. doi:10.1142/S0217751X0402021X. S2CID 119442567.
Patterson, Chris W. (2019). "Anomalous states of Positronium". Physical Review A. 100 (6): 062128. arXiv:2004.06108. Bibcode:2019PhRvA.100f2128P. doi:10.1103/PhysRevA.100.062128. S2CID 214017953.
Patterson, Chris W. (2023). "Properties of the anomalous states of Positronium". Physical Review A. 107 (4): 042816. arXiv:2207.05725. Bibcode:2023PhRvA.107d2816P. doi:10.1103/PhysRevA.107.042816.
Moskal P, Kisielewska D, Curceanu C, Czerwiński E, Dulski K, Gajos A, et al. (2019). "Feasibility study of the positronium imaging with the J-PET tomograph". Phys Med Biol. 64 (5): 055017. arXiv:1805.11696. Bibcode:2019PMB....64e5017M. doi:10.1088/1361-6560/aafe20. PMID 30641509.
Usukura, J.; Varga, K.; Suzuki, Y. (1998). "Signature of the existence of the positronium molecule". Physical Review A. 58 (3): 1918–1931. arXiv:physics/9804023. Bibcode:1998PhRvA..58.1918U. doi:10.1103/PhysRevA.58.1918. S2CID 11941483.

bbc.com

Ghosh, Pallab (2024-02-22). "Antimatter: Scientists freeze positronium atoms with lasers". BBC. Retrieved 2024-02-23.

doe.gov

sc.doe.gov

""Out of This World" Chemical Compound Observed" (PDF). p. 9. Archived from the original (PDF) on 2009-10-12.

doi.org

Karshenboim, Savely G. (2003). "Precision Study of Positronium: Testing Bound State QED Theory". International Journal of Modern Physics A. 19 (23): 3879–3896. arXiv:hep-ph/0310099. Bibcode:2004IJMPA..19.3879K. doi:10.1142/S0217751X04020142. S2CID 14848837.
Badertscher, A.; Crivelli, P.; Fetscher, W.; Gendotti, U.; Gninenko, S. N.; Postoev, V.; Rubbia, A.; Samoylenko, V.; Sillou, D. (2007). "An Improved Limit on Invisible Decays of Positronium". Physical Review D. 75 (3): 032004. arXiv:hep-ex/0609059. Bibcode:2007PhRvD..75c2004B. doi:10.1103/PhysRevD.75.032004. S2CID 9001914.
Kataoka, Y.; Asai, S.; Kobayashi, t. (2009). "First Test of O(α²) Correction of the Orthopositronium Decay Rate" (PDF). Physics Letters B. 671 (2): 219–223. arXiv:0809.1594. Bibcode:2009PhLB..671..219K. doi:10.1016/j.physletb.2008.12.008.
Adkins, G. S.; Fell, R. N.; Sapirstein, J. (29 May 2000). "Order α² Corrections to the Decay Rate of Orthopositronium". Physical Review Letters. 84 (22): 5086–5089. arXiv:hep-ph/0003028. Bibcode:2000PhRvL..84.5086A. doi:10.1103/PhysRevLett.84.5086. PMID 10990873. S2CID 1165868.
Cooke, D. A.; Crivelli, P.; Alnis, J.; Antognini, A.; Brown, B.; Friedreich, S.; Gabard, A.; Haensch, T. W.; Kirch, K.; Rubbia, A.; Vrankovic, V. (2015). "Observation of positronium annihilation in the 2S state: towards a new measurement of the 1S-2S transition frequency". Hyperfine Interact. 233 (1–3): 67–73. arXiv:1503.05755. Bibcode:2015HyInt.233...67C. doi:10.1007/s10751-015-1158-4. S2CID 89605682.
Rubbia, A. (2004). "Positronium as a probe for new physics beyond the standard model". International Journal of Modern Physics A. 19 (23): 3961–3985. arXiv:hep-ph/0402151. Bibcode:2004IJMPA..19.3961R. CiteSeerX 10.1.1.346.5173. doi:10.1142/S0217751X0402021X. S2CID 119442567.
Vetter, P.A.; Freedman, S.J. (2002). "Branching-ratio measurements of multiphoton decays of positronium". Physical Review A. 66 (5): 052505. Bibcode:2002PhRvA..66e2505V. doi:10.1103/PhysRevA.66.052505.
Scott, T.C.; Shertzer, J.; Moore, R.A. (1992). "Accurate finite element solutions of the two-body Dirac equation". Physical Review A. 45 (7): 4393–4398. Bibcode:1992PhRvA..45.4393S. doi:10.1103/PhysRevA.45.4393. PMID 9907514.
Patterson, Chris W. (2019). "Anomalous states of Positronium". Physical Review A. 100 (6): 062128. arXiv:2004.06108. Bibcode:2019PhRvA.100f2128P. doi:10.1103/PhysRevA.100.062128. S2CID 214017953.
Patterson, Chris W. (2023). "Properties of the anomalous states of Positronium". Physical Review A. 107 (4): 042816. arXiv:2207.05725. Bibcode:2023PhRvA.107d2816P. doi:10.1103/PhysRevA.107.042816.
Harpen, Michael D. (2003). "Positronium: Review of symmetry, conserved quantities and decay for the radiological physicist". Medical Physics. 31 (1): 57–61. doi:10.1118/1.1630494. ISSN 0094-2405. PMID 14761021.
Moskal P, Kisielewska D, Curceanu C, Czerwiński E, Dulski K, Gajos A, et al. (2019). "Feasibility study of the positronium imaging with the J-PET tomograph". Phys Med Biol. 64 (5): 055017. arXiv:1805.11696. Bibcode:2019PMB....64e5017M. doi:10.1088/1361-6560/aafe20. PMID 30641509.
N., Zafar; G., Laricchia; M., Charlton; T.C., Griffith (1991). "Diagnostics of a positronium beam". Journal of Physics B. 24 (21): 4661. Bibcode:1991JPhB...24.4661Z. doi:10.1088/0953-4075/24/21/016. ISSN 0953-4075. S2CID 250896764.
Mohorovičić, S. (1934). "Möglichkeit neuer Elemente und ihre Bedeutung für die Astrophysik". Astronomische Nachrichten. 253 (4): 93–108. Bibcode:1934AN....253...93M. doi:10.1002/asna.19342530402.
Glöggler, L. T. (2024). "Positronium Laser Cooling via the 13S−23P Transition with a Broadband Laser Pulse". Physical Review Letters. 132 (8): 083402. doi:10.1103/PhysRevLett.132.083402. hdl:11311/1261341. PMID 38457696.
Usukura, J.; Varga, K.; Suzuki, Y. (1998). "Signature of the existence of the positronium molecule". Physical Review A. 58 (3): 1918–1931. arXiv:physics/9804023. Bibcode:1998PhRvA..58.1918U. doi:10.1103/PhysRevA.58.1918. S2CID 11941483.
Saito, Shiro L. (2000). "Is Positronium Hydride Atom or Molecule?". Nuclear Instruments and Methods in Physics Research B. 171 (1–2): 60–66. Bibcode:2000NIMPB.171...60S. doi:10.1016/s0168-583x(00)00005-7.
Cassidy, D.B.; Mills, A.P. (Jr.) (2007). "The production of molecular positronium". Nature. 449 (7159): 195–197. Bibcode:2007Natur.449..195C. doi:10.1038/nature06094. PMID 17851519. S2CID 11269624.
Surko, C. (2007). "A whiff of antimatter soup". Nature. 449 (7159): 153–155. doi:10.1038/449153a. PMID 17851505. S2CID 8153916.
Barnabas, Mary V.; Venkateswaran, Krishnan; Walker, David C. (January 1989). "Comparison of muonium and positronium with hydrogen atoms in their reactions towards solutes containing amide and peptide linkages in water and micelle solutions". Canadian Journal of Chemistry. 67 (1): 120–126. doi:10.1139/v89-020.
Rhodes, Christopher J. (2012). "Muonium–the second radioisotope of hydrogen: a remarkable and unique radiotracer in the chemical, materials, biological and environmental sciences". Science Progress. 95 (2): 101–174. doi:10.3184/003685012X13336424471773. PMC 10365539. PMID 22893978.

handle.net

hdl.handle.net

Glöggler, L. T. (2024). "Positronium Laser Cooling via the 13S−23P Transition with a Broadband Laser Pulse". Physical Review Letters. 132 (8): 083402. doi:10.1103/PhysRevLett.132.083402. hdl:11311/1261341. PMID 38457696.

harvard.edu

ui.adsabs.harvard.edu

Karshenboim, Savely G. (2003). "Precision Study of Positronium: Testing Bound State QED Theory". International Journal of Modern Physics A. 19 (23): 3879–3896. arXiv:hep-ph/0310099. Bibcode:2004IJMPA..19.3879K. doi:10.1142/S0217751X04020142. S2CID 14848837.
Badertscher, A.; Crivelli, P.; Fetscher, W.; Gendotti, U.; Gninenko, S. N.; Postoev, V.; Rubbia, A.; Samoylenko, V.; Sillou, D. (2007). "An Improved Limit on Invisible Decays of Positronium". Physical Review D. 75 (3): 032004. arXiv:hep-ex/0609059. Bibcode:2007PhRvD..75c2004B. doi:10.1103/PhysRevD.75.032004. S2CID 9001914.
Czarnecki, Andrzej; Karshenboim, Savely G. (2000). "Decays of Positronium". In Levchenko, B. B.; Savrin, V. I. (eds.). Proceedings of the International Workshop on High Energy Physics and Quantum Field Theory (QFTHEP). Vol. 14. pp. 538–544. arXiv:hep-ph/9911410. Bibcode:1999hep.ph...11410C.
Kataoka, Y.; Asai, S.; Kobayashi, t. (2009). "First Test of O(α²) Correction of the Orthopositronium Decay Rate" (PDF). Physics Letters B. 671 (2): 219–223. arXiv:0809.1594. Bibcode:2009PhLB..671..219K. doi:10.1016/j.physletb.2008.12.008.
Adkins, G. S.; Fell, R. N.; Sapirstein, J. (29 May 2000). "Order α² Corrections to the Decay Rate of Orthopositronium". Physical Review Letters. 84 (22): 5086–5089. arXiv:hep-ph/0003028. Bibcode:2000PhRvL..84.5086A. doi:10.1103/PhysRevLett.84.5086. PMID 10990873. S2CID 1165868.
Cooke, D. A.; Crivelli, P.; Alnis, J.; Antognini, A.; Brown, B.; Friedreich, S.; Gabard, A.; Haensch, T. W.; Kirch, K.; Rubbia, A.; Vrankovic, V. (2015). "Observation of positronium annihilation in the 2S state: towards a new measurement of the 1S-2S transition frequency". Hyperfine Interact. 233 (1–3): 67–73. arXiv:1503.05755. Bibcode:2015HyInt.233...67C. doi:10.1007/s10751-015-1158-4. S2CID 89605682.
Rubbia, A. (2004). "Positronium as a probe for new physics beyond the standard model". International Journal of Modern Physics A. 19 (23): 3961–3985. arXiv:hep-ph/0402151. Bibcode:2004IJMPA..19.3961R. CiteSeerX 10.1.1.346.5173. doi:10.1142/S0217751X0402021X. S2CID 119442567.
Vetter, P.A.; Freedman, S.J. (2002). "Branching-ratio measurements of multiphoton decays of positronium". Physical Review A. 66 (5): 052505. Bibcode:2002PhRvA..66e2505V. doi:10.1103/PhysRevA.66.052505.
Scott, T.C.; Shertzer, J.; Moore, R.A. (1992). "Accurate finite element solutions of the two-body Dirac equation". Physical Review A. 45 (7): 4393–4398. Bibcode:1992PhRvA..45.4393S. doi:10.1103/PhysRevA.45.4393. PMID 9907514.
Patterson, Chris W. (2019). "Anomalous states of Positronium". Physical Review A. 100 (6): 062128. arXiv:2004.06108. Bibcode:2019PhRvA.100f2128P. doi:10.1103/PhysRevA.100.062128. S2CID 214017953.
Patterson, Chris W. (2023). "Properties of the anomalous states of Positronium". Physical Review A. 107 (4): 042816. arXiv:2207.05725. Bibcode:2023PhRvA.107d2816P. doi:10.1103/PhysRevA.107.042816.
Moskal P, Kisielewska D, Curceanu C, Czerwiński E, Dulski K, Gajos A, et al. (2019). "Feasibility study of the positronium imaging with the J-PET tomograph". Phys Med Biol. 64 (5): 055017. arXiv:1805.11696. Bibcode:2019PMB....64e5017M. doi:10.1088/1361-6560/aafe20. PMID 30641509.
N., Zafar; G., Laricchia; M., Charlton; T.C., Griffith (1991). "Diagnostics of a positronium beam". Journal of Physics B. 24 (21): 4661. Bibcode:1991JPhB...24.4661Z. doi:10.1088/0953-4075/24/21/016. ISSN 0953-4075. S2CID 250896764.
Mohorovičić, S. (1934). "Möglichkeit neuer Elemente und ihre Bedeutung für die Astrophysik". Astronomische Nachrichten. 253 (4): 93–108. Bibcode:1934AN....253...93M. doi:10.1002/asna.19342530402.
Usukura, J.; Varga, K.; Suzuki, Y. (1998). "Signature of the existence of the positronium molecule". Physical Review A. 58 (3): 1918–1931. arXiv:physics/9804023. Bibcode:1998PhRvA..58.1918U. doi:10.1103/PhysRevA.58.1918. S2CID 11941483.
Saito, Shiro L. (2000). "Is Positronium Hydride Atom or Molecule?". Nuclear Instruments and Methods in Physics Research B. 171 (1–2): 60–66. Bibcode:2000NIMPB.171...60S. doi:10.1016/s0168-583x(00)00005-7.
Cassidy, D.B.; Mills, A.P. (Jr.) (2007). "The production of molecular positronium". Nature. 449 (7159): 195–197. Bibcode:2007Natur.449..195C. doi:10.1038/nature06094. PMID 17851519. S2CID 11269624.

iaea.org

inis.iaea.org

N., Zafar; G., Laricchia; M., Charlton; T.C., Griffith (1991). "Diagnostics of a positronium beam". Journal of Physics B. 24 (21): 4661. Bibcode:1991JPhB...24.4661Z. doi:10.1088/0953-4075/24/21/016. ISSN 0953-4075. S2CID 250896764.

mit.edu

web.mit.edu

"Martin Deutsch, MIT physicist who discovered positronium, dies at 85" (Press release). MIT. 2002.

nih.gov

pubmed.ncbi.nlm.nih.gov

Adkins, G. S.; Fell, R. N.; Sapirstein, J. (29 May 2000). "Order α² Corrections to the Decay Rate of Orthopositronium". Physical Review Letters. 84 (22): 5086–5089. arXiv:hep-ph/0003028. Bibcode:2000PhRvL..84.5086A. doi:10.1103/PhysRevLett.84.5086. PMID 10990873. S2CID 1165868.
Scott, T.C.; Shertzer, J.; Moore, R.A. (1992). "Accurate finite element solutions of the two-body Dirac equation". Physical Review A. 45 (7): 4393–4398. Bibcode:1992PhRvA..45.4393S. doi:10.1103/PhysRevA.45.4393. PMID 9907514.
Harpen, Michael D. (2003). "Positronium: Review of symmetry, conserved quantities and decay for the radiological physicist". Medical Physics. 31 (1): 57–61. doi:10.1118/1.1630494. ISSN 0094-2405. PMID 14761021.
Moskal P, Kisielewska D, Curceanu C, Czerwiński E, Dulski K, Gajos A, et al. (2019). "Feasibility study of the positronium imaging with the J-PET tomograph". Phys Med Biol. 64 (5): 055017. arXiv:1805.11696. Bibcode:2019PMB....64e5017M. doi:10.1088/1361-6560/aafe20. PMID 30641509.
Glöggler, L. T. (2024). "Positronium Laser Cooling via the 13S−23P Transition with a Broadband Laser Pulse". Physical Review Letters. 132 (8): 083402. doi:10.1103/PhysRevLett.132.083402. hdl:11311/1261341. PMID 38457696.
Cassidy, D.B.; Mills, A.P. (Jr.) (2007). "The production of molecular positronium". Nature. 449 (7159): 195–197. Bibcode:2007Natur.449..195C. doi:10.1038/nature06094. PMID 17851519. S2CID 11269624.
Surko, C. (2007). "A whiff of antimatter soup". Nature. 449 (7159): 153–155. doi:10.1038/449153a. PMID 17851505. S2CID 8153916.
Rhodes, Christopher J. (2012). "Muonium–the second radioisotope of hydrogen: a remarkable and unique radiotracer in the chemical, materials, biological and environmental sciences". Science Progress. 95 (2): 101–174. doi:10.3184/003685012X13336424471773. PMC 10365539. PMID 22893978.

ncbi.nlm.nih.gov

Rhodes, Christopher J. (2012). "Muonium–the second radioisotope of hydrogen: a remarkable and unique radiotracer in the chemical, materials, biological and environmental sciences". Science Progress. 95 (2): 101–174. doi:10.3184/003685012X13336424471773. PMC 10365539. PMID 22893978.

physicsworld.com

Dumé, Belle (May 23, 2003). "Positronium puzzle is solved". Physics World.

physorg.com

"Molecules of positronium observed in the lab for the first time". Physorg.com. Retrieved 2007-09-07.

psu.edu

citeseerx.ist.psu.edu

Rubbia, A. (2004). "Positronium as a probe for new physics beyond the standard model". International Journal of Modern Physics A. 19 (23): 3961–3985. arXiv:hep-ph/0402151. Bibcode:2004IJMPA..19.3961R. CiteSeerX 10.1.1.346.5173. doi:10.1142/S0217751X0402021X. S2CID 119442567.

semanticscholar.org

api.semanticscholar.org

Karshenboim, Savely G. (2003). "Precision Study of Positronium: Testing Bound State QED Theory". International Journal of Modern Physics A. 19 (23): 3879–3896. arXiv:hep-ph/0310099. Bibcode:2004IJMPA..19.3879K. doi:10.1142/S0217751X04020142. S2CID 14848837.
Badertscher, A.; Crivelli, P.; Fetscher, W.; Gendotti, U.; Gninenko, S. N.; Postoev, V.; Rubbia, A.; Samoylenko, V.; Sillou, D. (2007). "An Improved Limit on Invisible Decays of Positronium". Physical Review D. 75 (3): 032004. arXiv:hep-ex/0609059. Bibcode:2007PhRvD..75c2004B. doi:10.1103/PhysRevD.75.032004. S2CID 9001914.
Adkins, G. S.; Fell, R. N.; Sapirstein, J. (29 May 2000). "Order α² Corrections to the Decay Rate of Orthopositronium". Physical Review Letters. 84 (22): 5086–5089. arXiv:hep-ph/0003028. Bibcode:2000PhRvL..84.5086A. doi:10.1103/PhysRevLett.84.5086. PMID 10990873. S2CID 1165868.
Cooke, D. A.; Crivelli, P.; Alnis, J.; Antognini, A.; Brown, B.; Friedreich, S.; Gabard, A.; Haensch, T. W.; Kirch, K.; Rubbia, A.; Vrankovic, V. (2015). "Observation of positronium annihilation in the 2S state: towards a new measurement of the 1S-2S transition frequency". Hyperfine Interact. 233 (1–3): 67–73. arXiv:1503.05755. Bibcode:2015HyInt.233...67C. doi:10.1007/s10751-015-1158-4. S2CID 89605682.
Rubbia, A. (2004). "Positronium as a probe for new physics beyond the standard model". International Journal of Modern Physics A. 19 (23): 3961–3985. arXiv:hep-ph/0402151. Bibcode:2004IJMPA..19.3961R. CiteSeerX 10.1.1.346.5173. doi:10.1142/S0217751X0402021X. S2CID 119442567.
Patterson, Chris W. (2019). "Anomalous states of Positronium". Physical Review A. 100 (6): 062128. arXiv:2004.06108. Bibcode:2019PhRvA.100f2128P. doi:10.1103/PhysRevA.100.062128. S2CID 214017953.
N., Zafar; G., Laricchia; M., Charlton; T.C., Griffith (1991). "Diagnostics of a positronium beam". Journal of Physics B. 24 (21): 4661. Bibcode:1991JPhB...24.4661Z. doi:10.1088/0953-4075/24/21/016. ISSN 0953-4075. S2CID 250896764.
Usukura, J.; Varga, K.; Suzuki, Y. (1998). "Signature of the existence of the positronium molecule". Physical Review A. 58 (3): 1918–1931. arXiv:physics/9804023. Bibcode:1998PhRvA..58.1918U. doi:10.1103/PhysRevA.58.1918. S2CID 11941483.
Cassidy, D.B.; Mills, A.P. (Jr.) (2007). "The production of molecular positronium". Nature. 449 (7159): 195–197. Bibcode:2007Natur.449..195C. doi:10.1038/nature06094. PMID 17851519. S2CID 11269624.
Surko, C. (2007). "A whiff of antimatter soup". Nature. 449 (7159): 153–155. doi:10.1038/449153a. PMID 17851505. S2CID 8153916.

u-tokyo.ac.jp

icepp.s.u-tokyo.ac.jp

Kataoka, Y.; Asai, S.; Kobayashi, t. (2009). "First Test of O(α²) Correction of the Orthopositronium Decay Rate" (PDF). Physics Letters B. 671 (2): 219–223. arXiv:0809.1594. Bibcode:2009PhLB..671..219K. doi:10.1016/j.physletb.2008.12.008.

unt.edu

digital.library.unt.edu

Vetter, P.A.; Freedman, S.J. (2002). "Branching-ratio measurements of multiphoton decays of positronium". Physical Review A. 66 (5): 052505. Bibcode:2002PhRvA..66e2505V. doi:10.1103/PhysRevA.66.052505.

web.archive.org

""Out of This World" Chemical Compound Observed" (PDF). p. 9. Archived from the original (PDF) on 2009-10-12.

worldcat.org

Harpen, Michael D. (2003). "Positronium: Review of symmetry, conserved quantities and decay for the radiological physicist". Medical Physics. 31 (1): 57–61. doi:10.1118/1.1630494. ISSN 0094-2405. PMID 14761021.
N., Zafar; G., Laricchia; M., Charlton; T.C., Griffith (1991). "Diagnostics of a positronium beam". Journal of Physics B. 24 (21): 4661. Bibcode:1991JPhB...24.4661Z. doi:10.1088/0953-4075/24/21/016. ISSN 0953-4075. S2CID 250896764.