Medium effects on spin observables of proton knockout reactins

Detalhes bibliográficos
Autor(a) principal: Krein, Gastao Inacio
Data de Publicação: 1995
Outros Autores: Maris, Theodor August Johannes, Rodrigues, Benhur Borges, Veit, Eliane Angela
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFRGS
Texto Completo: http://hdl.handle.net/10183/103625
Resumo: Medium modifications of the properties of bound nucleons and mesons are investigated by means of intermediate energy quasifree proton knockout reactions with polarized incident protons, by comparison of quantities which are insensitive against wave distortions. The sensitivity of the spin observables of the quasifree proton-proton cross section to modifications of the nucleon and meson properties is studied using the Bonn one-boson exchange model of the nucleon-nucleon interaction. A method proposed to extract the pp analyzing power in medium from the (p, 2p) asymmetries indicates a reduction of this quantity compared to its free space value. This reduction is linked to modifications of masses and coupling constants of the nucleons and mesons in the nucleus. The implications of these modifications for another spin observable to be measured in the future are discussed.
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spelling Krein, Gastao InacioMaris, Theodor August JohannesRodrigues, Benhur BorgesVeit, Eliane Angela2014-09-23T02:12:25Z19950556-2813http://hdl.handle.net/10183/103625000084826Medium modifications of the properties of bound nucleons and mesons are investigated by means of intermediate energy quasifree proton knockout reactions with polarized incident protons, by comparison of quantities which are insensitive against wave distortions. The sensitivity of the spin observables of the quasifree proton-proton cross section to modifications of the nucleon and meson properties is studied using the Bonn one-boson exchange model of the nucleon-nucleon interaction. A method proposed to extract the pp analyzing power in medium from the (p, 2p) asymmetries indicates a reduction of this quantity compared to its free space value. This reduction is linked to modifications of masses and coupling constants of the nucleons and mesons in the nucleus. The implications of these modifications for another spin observable to be measured in the future are discussed.application/pdfengPhysical review. C, Nuclear physics. Woodbury. Vol. 51, n. 5 (May 1995), p. 2646-2655Física nuclearFisica subatomicaEspalhamento elastico de atomos e moleculasMedium effects on spin observables of proton knockout reactinsEstrangeiroinfo:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da UFRGSinstname:Universidade Federal do Rio Grande do Sul (UFRGS)instacron:UFRGSORIGINAL000084826.pdf000084826.pdfTexto completo (inglês)application/pdf1539959http://www.lume.ufrgs.br/bitstream/10183/103625/1/000084826.pdfc5e71334e7373751ddbb50f24cfb2b10MD51TEXT000084826.pdf.txt000084826.pdf.txtExtracted Texttext/plain48262http://www.lume.ufrgs.br/bitstream/10183/103625/2/000084826.pdf.txt95c2b56870e82e1ceefc1f843d0d715eMD52THUMBNAIL000084826.pdf.jpg000084826.pdf.jpgGenerated Thumbnailimage/jpeg2016http://www.lume.ufrgs.br/bitstream/10183/103625/3/000084826.pdf.jpg0003391f79833f2f596d268b3b64433bMD5310183/1036252023-09-21 03:40:02.957371oai:www.lume.ufrgs.br:10183/103625Repositório de PublicaçõesPUBhttps://lume.ufrgs.br/oai/requestopendoar:2023-09-21T06:40:02Repositório Institucional da UFRGS - Universidade Federal do Rio Grande do Sul (UFRGS)false
dc.title.pt_BR.fl_str_mv Medium effects on spin observables of proton knockout reactins
title Medium effects on spin observables of proton knockout reactins
spellingShingle Medium effects on spin observables of proton knockout reactins
Krein, Gastao Inacio
Física nuclear
Fisica subatomica
Espalhamento elastico de atomos e moleculas
title_short Medium effects on spin observables of proton knockout reactins
title_full Medium effects on spin observables of proton knockout reactins
title_fullStr Medium effects on spin observables of proton knockout reactins
title_full_unstemmed Medium effects on spin observables of proton knockout reactins
title_sort Medium effects on spin observables of proton knockout reactins
author Krein, Gastao Inacio
author_facet Krein, Gastao Inacio
Maris, Theodor August Johannes
Rodrigues, Benhur Borges
Veit, Eliane Angela
author_role author
author2 Maris, Theodor August Johannes
Rodrigues, Benhur Borges
Veit, Eliane Angela
author2_role author
author
author
dc.contributor.author.fl_str_mv Krein, Gastao Inacio
Maris, Theodor August Johannes
Rodrigues, Benhur Borges
Veit, Eliane Angela
dc.subject.por.fl_str_mv Física nuclear
Fisica subatomica
Espalhamento elastico de atomos e moleculas
topic Física nuclear
Fisica subatomica
Espalhamento elastico de atomos e moleculas
description Medium modifications of the properties of bound nucleons and mesons are investigated by means of intermediate energy quasifree proton knockout reactions with polarized incident protons, by comparison of quantities which are insensitive against wave distortions. The sensitivity of the spin observables of the quasifree proton-proton cross section to modifications of the nucleon and meson properties is studied using the Bonn one-boson exchange model of the nucleon-nucleon interaction. A method proposed to extract the pp analyzing power in medium from the (p, 2p) asymmetries indicates a reduction of this quantity compared to its free space value. This reduction is linked to modifications of masses and coupling constants of the nucleons and mesons in the nucleus. The implications of these modifications for another spin observable to be measured in the future are discussed.
publishDate 1995
dc.date.issued.fl_str_mv 1995
dc.date.accessioned.fl_str_mv 2014-09-23T02:12:25Z
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dc.identifier.uri.fl_str_mv http://hdl.handle.net/10183/103625
dc.identifier.issn.pt_BR.fl_str_mv 0556-2813
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dc.language.iso.fl_str_mv eng
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dc.relation.ispartof.pt_BR.fl_str_mv Physical review. C, Nuclear physics. Woodbury. Vol. 51, n. 5 (May 1995), p. 2646-2655
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