Phi production as a measure of the strangeness content of the nucleon

Detalhes bibliográficos
Autor(a) principal: Henley, E. M.
Data de Publicação: 1992
Outros Autores: Krein, G., Williams, A. G.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UNESP
Texto Completo: http://dx.doi.org/10.1016/0370-2693(92)91125-S
http://hdl.handle.net/11449/230709
Resumo: We propose studies of lepto- and photo-production of phi mesons as a probe of the ss content of the nucleon. We calculate and compare contributions to the ep→epφ cross-section from ss-knockout and from diffractive production through vector meson dominance. The OZI rule and the ideal mixing of the phi are expected to suppress competing production mechanisms. We find that the knockout and diffractive contributions are of similar size when we assume an admixture of ≅(10-20)% strange quarks in the nucleon. The model dependence of the knockout prediction is examined. We argue that it should be possible to distinguish these two contributions through their angular behavior and through polarization experiments. © 1992.
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spelling Phi production as a measure of the strangeness content of the nucleonWe propose studies of lepto- and photo-production of phi mesons as a probe of the ss content of the nucleon. We calculate and compare contributions to the ep→epφ cross-section from ss-knockout and from diffractive production through vector meson dominance. The OZI rule and the ideal mixing of the phi are expected to suppress competing production mechanisms. We find that the knockout and diffractive contributions are of similar size when we assume an admixture of ≅(10-20)% strange quarks in the nucleon. The model dependence of the knockout prediction is examined. We argue that it should be possible to distinguish these two contributions through their angular behavior and through polarization experiments. © 1992.Department of Physics, FM-15, University of Washington, Seattle, WA 98195, USAInstitute for Nuclear Theory, HN-12, University of Washington, Seattle, WA 98195, USAInstituto de Fisica Téorica, 01405 São Paulo, SP, Brazil1 1 Present and permanent address.Physics Department and Supercomputer Computations Research Institute1 Florida State University, Tallahassee, FL 32306-3016Florida State UniversityHenley, E. M.Krein, G.Williams, A. G.2022-04-29T08:41:47Z2022-04-29T08:41:47Z1992-05-14info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article178-184http://dx.doi.org/10.1016/0370-2693(92)91125-SPhysics Letters B, v. 281, n. 3-4, p. 178-184, 1992.0370-2693http://hdl.handle.net/11449/23070910.1016/0370-2693(92)91125-S2-s2.0-0000876493Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengPhysics Letters Binfo:eu-repo/semantics/openAccess2022-04-29T08:41:47Zoai:repositorio.unesp.br:11449/230709Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T20:58:27.937813Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false
dc.title.none.fl_str_mv Phi production as a measure of the strangeness content of the nucleon
title Phi production as a measure of the strangeness content of the nucleon
spellingShingle Phi production as a measure of the strangeness content of the nucleon
Henley, E. M.
title_short Phi production as a measure of the strangeness content of the nucleon
title_full Phi production as a measure of the strangeness content of the nucleon
title_fullStr Phi production as a measure of the strangeness content of the nucleon
title_full_unstemmed Phi production as a measure of the strangeness content of the nucleon
title_sort Phi production as a measure of the strangeness content of the nucleon
author Henley, E. M.
author_facet Henley, E. M.
Krein, G.
Williams, A. G.
author_role author
author2 Krein, G.
Williams, A. G.
author2_role author
author
dc.contributor.none.fl_str_mv Florida State University
dc.contributor.author.fl_str_mv Henley, E. M.
Krein, G.
Williams, A. G.
description We propose studies of lepto- and photo-production of phi mesons as a probe of the ss content of the nucleon. We calculate and compare contributions to the ep→epφ cross-section from ss-knockout and from diffractive production through vector meson dominance. The OZI rule and the ideal mixing of the phi are expected to suppress competing production mechanisms. We find that the knockout and diffractive contributions are of similar size when we assume an admixture of ≅(10-20)% strange quarks in the nucleon. The model dependence of the knockout prediction is examined. We argue that it should be possible to distinguish these two contributions through their angular behavior and through polarization experiments. © 1992.
publishDate 1992
dc.date.none.fl_str_mv 1992-05-14
2022-04-29T08:41:47Z
2022-04-29T08:41:47Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://dx.doi.org/10.1016/0370-2693(92)91125-S
Physics Letters B, v. 281, n. 3-4, p. 178-184, 1992.
0370-2693
http://hdl.handle.net/11449/230709
10.1016/0370-2693(92)91125-S
2-s2.0-0000876493
url http://dx.doi.org/10.1016/0370-2693(92)91125-S
http://hdl.handle.net/11449/230709
identifier_str_mv Physics Letters B, v. 281, n. 3-4, p. 178-184, 1992.
0370-2693
10.1016/0370-2693(92)91125-S
2-s2.0-0000876493
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Physics Letters B
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv 178-184
dc.source.none.fl_str_mv Scopus
reponame:Repositório Institucional da UNESP
instname:Universidade Estadual Paulista (UNESP)
instacron:UNESP
instname_str Universidade Estadual Paulista (UNESP)
instacron_str UNESP
institution UNESP
reponame_str Repositório Institucional da UNESP
collection Repositório Institucional da UNESP
repository.name.fl_str_mv Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)
repository.mail.fl_str_mv
_version_ 1808129269798273024

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