Reactions with pions and vector mesons in the sector of odd intrinsic parity
In chiral perturbation theory, the leading-order contribution to reactions with pions in the sector of odd intrinsic parity is defined by the Wess-Zumino-Witten structure. This structure is supplemented by a simple vector-meson Lagrangian where the vector mesons are described by antisymmetric tensor...
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Format: | Article |
Language: | English |
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EDP Sciences
2014-06-01
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Series: | EPJ Web of Conferences |
Online Access: | http://dx.doi.org/10.1051/epjconf/20147307009 |
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author | Terschlüsen Carla Strandberg Bruno Leupold Stefan |
author_facet | Terschlüsen Carla Strandberg Bruno Leupold Stefan |
author_sort | Terschlüsen Carla |
collection | DOAJ |
description | In chiral perturbation theory, the leading-order contribution to reactions with pions in the sector of odd intrinsic parity is defined by the Wess-Zumino-Witten structure. This structure is supplemented by a simple vector-meson Lagrangian where the vector mesons are described by antisymmetric tensor fields. With the rho-omega-pion coupling as the only parameter in the sector of odd intrinsic parity, i.e. without additional contact terms, one can achieve a proper description of the pion transition form factor and the three-pion production in electron-positron collisions. |
first_indexed | 2024-12-19T17:54:55Z |
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id | doaj.art-b634399b136040a0b0d543267436df3a |
institution | Directory Open Access Journal |
issn | 2100-014X |
language | English |
last_indexed | 2024-12-19T17:54:55Z |
publishDate | 2014-06-01 |
publisher | EDP Sciences |
record_format | Article |
series | EPJ Web of Conferences |
spelling | doaj.art-b634399b136040a0b0d543267436df3a2022-12-21T20:11:50ZengEDP SciencesEPJ Web of Conferences2100-014X2014-06-01730700910.1051/epjconf/20147307009epjconf_menu2013_07009Reactions with pions and vector mesons in the sector of odd intrinsic parityTerschlüsen CarlaStrandberg BrunoLeupold StefanIn chiral perturbation theory, the leading-order contribution to reactions with pions in the sector of odd intrinsic parity is defined by the Wess-Zumino-Witten structure. This structure is supplemented by a simple vector-meson Lagrangian where the vector mesons are described by antisymmetric tensor fields. With the rho-omega-pion coupling as the only parameter in the sector of odd intrinsic parity, i.e. without additional contact terms, one can achieve a proper description of the pion transition form factor and the three-pion production in electron-positron collisions.http://dx.doi.org/10.1051/epjconf/20147307009 |
spellingShingle | Terschlüsen Carla Strandberg Bruno Leupold Stefan Reactions with pions and vector mesons in the sector of odd intrinsic parity EPJ Web of Conferences |
title | Reactions with pions and vector mesons in the sector of odd intrinsic parity |
title_full | Reactions with pions and vector mesons in the sector of odd intrinsic parity |
title_fullStr | Reactions with pions and vector mesons in the sector of odd intrinsic parity |
title_full_unstemmed | Reactions with pions and vector mesons in the sector of odd intrinsic parity |
title_short | Reactions with pions and vector mesons in the sector of odd intrinsic parity |
title_sort | reactions with pions and vector mesons in the sector of odd intrinsic parity |
url | http://dx.doi.org/10.1051/epjconf/20147307009 |
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