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Article: Hyperfine splitting in positronium measured through quantum beats in the 3γ decay

TitleHyperfine splitting in positronium measured through quantum beats in the 3γ decay
Authors
Fan, SBeling, CDFung, S
KeywordsCoherence
Positronium
Quadrupolarization
Spin Oscillation
Issue Date1996
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/physleta
Citation
Physics Letters, Section A: General, Atomic And Solid State Physics, 1996, v. 216 n. 1-5, p. 129-136 How to Cite?
DOI: http://dx.doi.org/10.1016/0375-9601(96)00273-3
AbstractQuantum beat oscillations in the 3γ decay of the positronium atom arising from interference between the different spin states have been observed using a simple β-start and γ-stop detection system. Measurements of the beat frequency at different magnetic fields have yielded a value of the 1 1S0-1 3S1 hyperfine interaction of 202.5 ± 3.5 GHz, in good agreement with previous measurements. This novel approach does not require high magnetic fields and the use of microwave radiation to quench the triplet substate of the positronium atom.
Persistent Identifierhttp://hdl.handle.net/10722/174985
ISSN
0375-9601
2021 Impact Factor: 2.707
2020 SCImago Journal Rankings: 0.499
ISI Accession Number ID
WOS:A1996UW99600019
References
References in Scopus

 

DC FieldValueLanguage
dc.contributor.authorFan, Sen_US
dc.contributor.authorBeling, CDen_US
dc.contributor.authorFung, Sen_US
dc.date.accessioned2012-11-26T08:48:38Z-
dc.date.available2012-11-26T08:48:38Z-
dc.date.issued1996en_US
dc.identifier.citationPhysics Letters, Section A: General, Atomic And Solid State Physics, 1996, v. 216 n. 1-5, p. 129-136en_US
dc.identifier.issn0375-9601en_US
dc.identifier.urihttp://hdl.handle.net/10722/174985-
dc.description.abstractQuantum beat oscillations in the 3γ decay of the positronium atom arising from interference between the different spin states have been observed using a simple β-start and γ-stop detection system. Measurements of the beat frequency at different magnetic fields have yielded a value of the 1 1S0-1 3S1 hyperfine interaction of 202.5 ± 3.5 GHz, in good agreement with previous measurements. This novel approach does not require high magnetic fields and the use of microwave radiation to quench the triplet substate of the positronium atom.en_US
dc.languageengen_US
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/physletaen_US
dc.relation.ispartofPhysics Letters, Section A: General, Atomic and Solid State Physicsen_US
dc.rightsPhysics Letters Section A: General, Atomic and Solid State Physics. Copyright © Elsevier BV.-
dc.subjectCoherenceen_US
dc.subjectPositroniumen_US
dc.subjectQuadrupolarizationen_US
dc.subjectSpin Oscillationen_US
dc.titleHyperfine splitting in positronium measured through quantum beats in the 3γ decayen_US
dc.typeArticleen_US
dc.identifier.emailBeling, CD: cdbeling@hkucc.hku.hken_US
dc.identifier.emailFung, S: sfung@hku.hken_US
dc.identifier.authorityBeling, CD=rp00660en_US
dc.identifier.authorityFung, S=rp00695en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/0375-9601(96)00273-3-
dc.identifier.scopuseid_2-s2.0-30244446309en_US
dc.identifier.hkuros15169-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-30244446309&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume216en_US
dc.identifier.issue1-5en_US
dc.identifier.spage129en_US
dc.identifier.epage136en_US
dc.identifier.isiWOS:A1996UW99600019-
dc.publisher.placeNetherlandsen_US
dc.identifier.scopusauthoridFan, S=55429574800en_US
dc.identifier.scopusauthoridBeling, CD=7005864180en_US
dc.identifier.scopusauthoridFung, S=7201970040en_US
dc.identifier.issnl0375-9601-

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