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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
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?
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
2015 Impact Factor: 1.336
2015 SCImago Journal Rankings: 0.571
ISI Accession Number ID
References

 

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. 4779-4787en_HK
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.rightsReview of Scientific Instruments. Copyright © American Institute of Physics.en_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
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

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