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Low-lying pseudosca...
Low-lying pseudoscalar and vector mesons and their dynamics : How to describe radiative reactions with an odd number of pions
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- Terschlusen, Carla (author)
- Uppsala universitet,Kärnfysik
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- Leupold, Stefan (author)
- Uppsala universitet,Kärnfysik
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- Strandberg, Bruno (author)
- Uppsala universitet,Institutionen för fysik och astronomi
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(creator_code:org_t)
- 2014-03-20
- 2014
- English.
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In: INPC 2013 - International Nuclear Physics Conference, Vol. 2. - : EDP Sciences. - 9782759811762 ; , s. 06023-
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Abstract
Subject headings
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- 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.
Subject headings
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Publication and Content Type
- ref (subject category)
- kon (subject category)
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