Photon-photon and pomeron-pomeron processes in peripheral heavy ion collisions
Autor(a) principal: | |
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Data de Publicação: | 2000 |
Outros Autores: | |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1103/PhysRevC.61.064907 http://hdl.handle.net/11449/228428 |
Resumo: | We estimate the cross sections for the production of resonances, pion pairs, and a central cluster of hadrons in peripheral heavy-ion collisions through two-photon and double-pomeron exchange, at energies that will be available at the Relativistic Heavy Ion Collider (RHIC) and the Large Hadron Collider (LHC). The effect of the impact parameter in the diffractive reactions is introduced, and by imposing the condition for realistic peripheral collisions we verify that in the case of very heavy ions the pomeron-pomeron contribution is indeed smaller than the electromagnetic one. However, they give a non-negligible background in the collision of light ions. This diffractive background will be more important at RHIC than at LHC. © 2000 The American Physical Society. |
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Photon-photon and pomeron-pomeron processes in peripheral heavy ion collisionsWe estimate the cross sections for the production of resonances, pion pairs, and a central cluster of hadrons in peripheral heavy-ion collisions through two-photon and double-pomeron exchange, at energies that will be available at the Relativistic Heavy Ion Collider (RHIC) and the Large Hadron Collider (LHC). The effect of the impact parameter in the diffractive reactions is introduced, and by imposing the condition for realistic peripheral collisions we verify that in the case of very heavy ions the pomeron-pomeron contribution is indeed smaller than the electromagnetic one. However, they give a non-negligible background in the collision of light ions. This diffractive background will be more important at RHIC than at LHC. © 2000 The American Physical Society.Instituto de Física Teórica Universidade Estadual Paulista, Rua Pamplona 145, São Paulo, 01405-900Instituto de Física Teórica Universidade Estadual Paulista, Rua Pamplona 145, São Paulo, 01405-900Universidade Estadual Paulista (UNESP)Roldão, C. G. [UNESP]Natale, A. A. [UNESP]2022-04-29T08:14:44Z2022-04-29T08:14:44Z2000-01-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article8http://dx.doi.org/10.1103/PhysRevC.61.064907Physical Review C - Nuclear Physics, v. 61, n. 6, p. 8-, 2000.1089-490X0556-2813http://hdl.handle.net/11449/22842810.1103/PhysRevC.61.0649072-s2.0-85035272542Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengPhysical Review C - Nuclear Physicsinfo:eu-repo/semantics/openAccess2022-04-29T08:14:44Zoai:repositorio.unesp.br:11449/228428Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462022-04-29T08:14:44Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Photon-photon and pomeron-pomeron processes in peripheral heavy ion collisions |
title |
Photon-photon and pomeron-pomeron processes in peripheral heavy ion collisions |
spellingShingle |
Photon-photon and pomeron-pomeron processes in peripheral heavy ion collisions Roldão, C. G. [UNESP] |
title_short |
Photon-photon and pomeron-pomeron processes in peripheral heavy ion collisions |
title_full |
Photon-photon and pomeron-pomeron processes in peripheral heavy ion collisions |
title_fullStr |
Photon-photon and pomeron-pomeron processes in peripheral heavy ion collisions |
title_full_unstemmed |
Photon-photon and pomeron-pomeron processes in peripheral heavy ion collisions |
title_sort |
Photon-photon and pomeron-pomeron processes in peripheral heavy ion collisions |
author |
Roldão, C. G. [UNESP] |
author_facet |
Roldão, C. G. [UNESP] Natale, A. A. [UNESP] |
author_role |
author |
author2 |
Natale, A. A. [UNESP] |
author2_role |
author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (UNESP) |
dc.contributor.author.fl_str_mv |
Roldão, C. G. [UNESP] Natale, A. A. [UNESP] |
description |
We estimate the cross sections for the production of resonances, pion pairs, and a central cluster of hadrons in peripheral heavy-ion collisions through two-photon and double-pomeron exchange, at energies that will be available at the Relativistic Heavy Ion Collider (RHIC) and the Large Hadron Collider (LHC). The effect of the impact parameter in the diffractive reactions is introduced, and by imposing the condition for realistic peripheral collisions we verify that in the case of very heavy ions the pomeron-pomeron contribution is indeed smaller than the electromagnetic one. However, they give a non-negligible background in the collision of light ions. This diffractive background will be more important at RHIC than at LHC. © 2000 The American Physical Society. |
publishDate |
2000 |
dc.date.none.fl_str_mv |
2000-01-01 2022-04-29T08:14:44Z 2022-04-29T08:14:44Z |
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/10.1103/PhysRevC.61.064907 Physical Review C - Nuclear Physics, v. 61, n. 6, p. 8-, 2000. 1089-490X 0556-2813 http://hdl.handle.net/11449/228428 10.1103/PhysRevC.61.064907 2-s2.0-85035272542 |
url |
http://dx.doi.org/10.1103/PhysRevC.61.064907 http://hdl.handle.net/11449/228428 |
identifier_str_mv |
Physical Review C - Nuclear Physics, v. 61, n. 6, p. 8-, 2000. 1089-490X 0556-2813 10.1103/PhysRevC.61.064907 2-s2.0-85035272542 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Physical Review C - Nuclear Physics |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
8 |
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_ |
1799965715526057984 |