low-lying pseudoscalar and vector mesons and their dynamics

الميزونات شبه القياسية والمتجهة الدنيا وديناميكيتها

Clicks: 187
ID: 206291
2014
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Abstract
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 single- and double-virtual pion transition form factor and the three-pion production in electron-positron collisions.
في نظرية الاضطراب الكيرالي، يتحدد إسهام الرتبة القيادية في تفاعلات البيونات ضمن قطاع التكافؤ الذاتي الفردي بواسطة بنية ويس-زومينو-فيتن. وتُستكمل هذه البنية بلاغرانجيان بسيط للميزونات المتجهة، حيث تُوصَف الميزونات المتجهة فيه بمجالات موترية متخالفة التناظر. وباعتماد اقتران رو-أوميغا-بيون بوصفه المعلمة الوحيدة في قطاع التكافؤ الذاتي الفردي، أي دون حدود تلامسية إضافية، يمكن التوصل إلى وصف دقيق لعامل شكل انتقال البيون أحادي ومزدوج الافتراضية، ولإنتاج ثلاثة بيونات في تصادمات الإلكترون-بوزيترون.
Reference Key
carla2014epjlow-lying Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Terschlüsen Carla, Leupold Stefan, Strandberg Bruno
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Journal utilitas mathematica
Year 2014
DOI
10.1051/epjconf/20146606023
URL
http://dx.doi.org/10.1051/epjconf/20146606023
Keywords
physics

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