Bootstrapping QCD Using Pion Scattering Amplitudes
Autor(a) principal: | |
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Data de Publicação: | 2019 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1103/PhysRevLett.122.241604 http://hdl.handle.net/11449/189357 |
Resumo: | We consider the S-matrix bootstrap of four-dimensional scattering amplitudes with O(3) symmetry and no bound states. We explore the allowed space of scattering lengths which parametrize the interaction strength at threshold of the various scattering channels. Next we consider an application of this formalism to pion physics. A signature of pions is that they are derivatively coupled leading to (chiral) zeros in their scattering amplitudes. In this work we explore the multidimensional space of chiral zeros positions, scattering length values, and resonance mass values. Interestingly, we encounter lakes, peninsulas, and kinks depending on which sections of this intricate multidimensional space we consider. We discuss the remarkable location where QCD seems to lie in these plots, based on various experimental and theoretical expectations. |
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Repositório Institucional da UNESP |
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Bootstrapping QCD Using Pion Scattering AmplitudesWe consider the S-matrix bootstrap of four-dimensional scattering amplitudes with O(3) symmetry and no bound states. We explore the allowed space of scattering lengths which parametrize the interaction strength at threshold of the various scattering channels. Next we consider an application of this formalism to pion physics. A signature of pions is that they are derivatively coupled leading to (chiral) zeros in their scattering amplitudes. In this work we explore the multidimensional space of chiral zeros positions, scattering length values, and resonance mass values. Interestingly, we encounter lakes, peninsulas, and kinks depending on which sections of this intricate multidimensional space we consider. We discuss the remarkable location where QCD seems to lie in these plots, based on various experimental and theoretical expectations.Instituto de Física Teórica UNESP ICTP South American Institute for Fundamental Research, Rua Dr Bento Teobaldo Ferraz 271Institute of Physics École Polytechnique Fédérale de Lausanne (EPFL), Rte de la Sorge, BSP 728Perimeter Institute for Theoretical Physics, 31 Caroline St NInstituto de Física Teórica UNESP ICTP South American Institute for Fundamental Research, Rua Dr Bento Teobaldo Ferraz 271Universidade Estadual Paulista (Unesp)École Polytechnique Fédérale de Lausanne (EPFL)Perimeter Institute for Theoretical PhysicsGuerrieri, Andrea L. [UNESP]Penedones, JoãoVieira, Pedro [UNESP]2019-10-06T16:38:01Z2019-10-06T16:38:01Z2019-06-19info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articlehttp://dx.doi.org/10.1103/PhysRevLett.122.241604Physical Review Letters, v. 122, n. 24, 2019.1079-71140031-9007http://hdl.handle.net/11449/18935710.1103/PhysRevLett.122.2416042-s2.0-85068260286Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengPhysical Review Lettersinfo:eu-repo/semantics/openAccess2021-10-23T19:23:19Zoai:repositorio.unesp.br:11449/189357Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T21:02:56.089367Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Bootstrapping QCD Using Pion Scattering Amplitudes |
title |
Bootstrapping QCD Using Pion Scattering Amplitudes |
spellingShingle |
Bootstrapping QCD Using Pion Scattering Amplitudes Guerrieri, Andrea L. [UNESP] |
title_short |
Bootstrapping QCD Using Pion Scattering Amplitudes |
title_full |
Bootstrapping QCD Using Pion Scattering Amplitudes |
title_fullStr |
Bootstrapping QCD Using Pion Scattering Amplitudes |
title_full_unstemmed |
Bootstrapping QCD Using Pion Scattering Amplitudes |
title_sort |
Bootstrapping QCD Using Pion Scattering Amplitudes |
author |
Guerrieri, Andrea L. [UNESP] |
author_facet |
Guerrieri, Andrea L. [UNESP] Penedones, João Vieira, Pedro [UNESP] |
author_role |
author |
author2 |
Penedones, João Vieira, Pedro [UNESP] |
author2_role |
author author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (Unesp) École Polytechnique Fédérale de Lausanne (EPFL) Perimeter Institute for Theoretical Physics |
dc.contributor.author.fl_str_mv |
Guerrieri, Andrea L. [UNESP] Penedones, João Vieira, Pedro [UNESP] |
description |
We consider the S-matrix bootstrap of four-dimensional scattering amplitudes with O(3) symmetry and no bound states. We explore the allowed space of scattering lengths which parametrize the interaction strength at threshold of the various scattering channels. Next we consider an application of this formalism to pion physics. A signature of pions is that they are derivatively coupled leading to (chiral) zeros in their scattering amplitudes. In this work we explore the multidimensional space of chiral zeros positions, scattering length values, and resonance mass values. Interestingly, we encounter lakes, peninsulas, and kinks depending on which sections of this intricate multidimensional space we consider. We discuss the remarkable location where QCD seems to lie in these plots, based on various experimental and theoretical expectations. |
publishDate |
2019 |
dc.date.none.fl_str_mv |
2019-10-06T16:38:01Z 2019-10-06T16:38:01Z 2019-06-19 |
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/PhysRevLett.122.241604 Physical Review Letters, v. 122, n. 24, 2019. 1079-7114 0031-9007 http://hdl.handle.net/11449/189357 10.1103/PhysRevLett.122.241604 2-s2.0-85068260286 |
url |
http://dx.doi.org/10.1103/PhysRevLett.122.241604 http://hdl.handle.net/11449/189357 |
identifier_str_mv |
Physical Review Letters, v. 122, n. 24, 2019. 1079-7114 0031-9007 10.1103/PhysRevLett.122.241604 2-s2.0-85068260286 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Physical Review Letters |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
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_ |
1808129277554589696 |