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Modification of the SVD Unfolding Regularization Method

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dc.contributor.authorBogomolov, Y. V.
dc.contributor.authorAlekseev, V. V.
dc.contributor.authorLevanova, O. A.
dc.contributor.authorMayorov, A. G.
dc.contributor.authorMaiorov, A.G.
dc.contributor.authorMalakhov, V. V.
dc.contributor.authorБогомолов, Юрий Викторович
dc.contributor.authorАлексеев, Владислав Владимирович
dc.contributor.authorМайоров, Андрей Георгиевич
dc.contributor.authorМалахов, Виталий Валерьевич
dc.date.accessioned2024-12-25T07:38:23Z
dc.date.available2024-12-25T07:38:23Z
dc.date.issued2022
dc.description.abstractUnfolding is currently an important stage of processing experimental data, reducing the effect of errors and reconstructing approximately real distributions of quantities. Numerous approaches exist to solve this problem; in particular, they are widely used in the modern physics of atomic nuclei and elementary particles, space physics, and other related areas. However, many algorithms are not designed or are poorly adapted to reconstruct multidimensional distributions corresponding to, e.g., several characteristics of particles measured simultaneously. In this work, a method has been proposed to adapt the singular value decomposition (SVD) unfolding algorithm to the multidimensional case. The proposed modified method has been tested in application to simulation data for the cosmic ray spectrum measured in the PAMELA space experiment. This method not only makes it possible to estimate the real distribution of a multidimensional quantity (momentum and two angles specifying the direction of entering a particle into an instrument) but also provides a better result compared to the classical SVD approach in the one-dimensional case (only the momentum of the p-article). © 2022, Pleiades Publishing, Inc.
dc.format.extentС. 697-703
dc.identifier.citationModification of the SVD Unfolding Regularization Method / Bogomolov, Y.V. [et al.] // JETP Letters. - 2022. - 115. - № 12. - P. 697-703. - 10.1134/S0021364022600859
dc.identifier.doi10.1134/S0021364022600859
dc.identifier.urihttps://www.doi.org/10.1134/S0021364022600859
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85136992919&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000843275800001
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/27332
dc.relation.ispartofJETP Letters
dc.titleModification of the SVD Unfolding Regularization Method
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue12
oaire.citation.volume115
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