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Article: Deconvolution of positron annihilation coincidence Doppler broadening spectra using an iterative projected Newton method with non-negativity constraints

TitleDeconvolution of positron annihilation coincidence Doppler broadening spectra using an iterative projected Newton method with non-negativity constraints
Authors
Ho, KFBeling, CDFung, SCheng, VKWNg, MKYip, AM
KeywordsInstruments
Issue Date2003
PublisherAmerican Institute of Physics. The Journal's web site is located at http://ojps.aip.org/rsio/
Citation
Review of Scientific Instruments, 2003, v. 74 n. 11, p. 4779-4787 How to Cite?
DOI: http://dx.doi.org/10.1063/1.1619547
AbstractA generalized least-square method with Tikonov-Miller regularization and non-negativity constarints was developed for deconvoluting two-dimensional coincidence Doppler broadening spectroscopy (CDBS) spectra. A projected Newton algorithm was developed to solve the generalized least-square problem. The algorithm was used to deconvolute experimental CDBS data from aluminum was tested on Monte Carlo generated spectra. The retrieval of the positron-electron momentum distributions in the low momentum region was also demonstrated.
Persistent Identifierhttp://hdl.handle.net/10722/42126
ISSN
0034-6748
2023 Impact Factor: 1.3
2023 SCImago Journal Rankings: 0.434
ISI Accession Number ID
WOS:000186256400028
References
References in Scopus

 

DC FieldValueLanguage
dc.contributor.authorHo, KFen_HK
dc.contributor.authorBeling, CDen_HK
dc.contributor.authorFung, Sen_HK
dc.contributor.authorCheng, VKWen_HK
dc.contributor.authorNg, MKen_HK
dc.contributor.authorYip, AMen_HK
dc.date.accessioned2007-01-08T02:29:43Z-
dc.date.available2007-01-08T02:29:43Z-
dc.date.issued2003en_HK
dc.identifier.citationReview of Scientific Instruments, 2003, v. 74 n. 11, p. 4779-4787-
dc.identifier.issn0034-6748en_HK
dc.identifier.urihttp://hdl.handle.net/10722/42126-
dc.description.abstractA generalized least-square method with Tikonov-Miller regularization and non-negativity constarints was developed for deconvoluting two-dimensional coincidence Doppler broadening spectroscopy (CDBS) spectra. A projected Newton algorithm was developed to solve the generalized least-square problem. The algorithm was used to deconvolute experimental CDBS data from aluminum was tested on Monte Carlo generated spectra. The retrieval of the positron-electron momentum distributions in the low momentum region was also demonstrated.en_HK
dc.format.extent256491 bytes-
dc.format.extent9781 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypetext/plain-
dc.languageengen_HK
dc.publisherAmerican Institute of Physics. The Journal's web site is located at http://ojps.aip.org/rsio/en_HK
dc.relation.ispartofReview of Scientific Instrumentsen_HK
dc.rightsCopyright 2003 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Review of Scientific Instruments, 2003, v. 74 n. 11, p. 4779-4787 and may be found at https://doi.org/10.1063/1.1619547-
dc.subjectInstrumentsen_HK
dc.titleDeconvolution of positron annihilation coincidence Doppler broadening spectra using an iterative projected Newton method with non-negativity constraintsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0034-6748&volume=74&issue=11&spage=4779&epage=4787&date=2003&atitle=Deconvolution+of+positron+annihilation+coincidence+Doppler+broadening+spectra+using+an+iterative+projected+Newton+method+with+non-negativity+constraintsen_HK
dc.identifier.emailBeling, CD: cdbeling@hkucc.hku.hken_HK
dc.identifier.emailFung, S: sfung@hku.hken_HK
dc.identifier.authorityBeling, CD=rp00660en_HK
dc.identifier.authorityFung, S=rp00695en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1063/1.1619547en_HK
dc.identifier.scopuseid_2-s2.0-0344083668en_HK
dc.identifier.hkuros84954-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0344083668&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume74en_HK
dc.identifier.issue11en_HK
dc.identifier.spage4779en_HK
dc.identifier.epage4787en_HK
dc.identifier.isiWOS:000186256400028-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridHo, KF=7403581787en_HK
dc.identifier.scopusauthoridBeling, CD=7005864180en_HK
dc.identifier.scopusauthoridFung, S=7201970040en_HK
dc.identifier.scopusauthoridCheng, VKW=22992047500en_HK
dc.identifier.scopusauthoridNg, MK=7202076432en_HK
dc.identifier.scopusauthoridYip, AM=7004871362en_HK
dc.identifier.issnl0034-6748-

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