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Pi pi scattering in...
Pi pi scattering in three flavor ChPT : ππ scattering in three flavour ChPT
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- Bijnens, Johan (author)
- Lund University,Lunds universitet,Institutionen för astronomi och teoretisk fysik - Genomgår omorganisation,Naturvetenskapliga fakulteten,Department of Astronomy and Theoretical Physics - Undergoing reorganization,Faculty of Science
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- Dhonte, Pierre (author)
- Lund University,Lunds universitet,Institutionen för astronomi och teoretisk fysik - Genomgår omorganisation,Naturvetenskapliga fakulteten,Department of Astronomy and Theoretical Physics - Undergoing reorganization,Faculty of Science
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- Talavera, Pere (author)
- Polytechnic University of Catalonia
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(creator_code:org_t)
- 2004-01-27
- 2004
- English.
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In: Journal of High Energy Physics. - : Springer Science and Business Media LLC. - 1029-8479. ; 05:JHEP01(2004)
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Abstract
Subject headings
Close
- We present the scattering lengths for the pi-pi processes in the three flavour Chiral Perturbation Theory (ChPT) framework at next-to-next-to-leading order. We then combine this calculation with the determination of the parameters from $Ke4 and the masses and decay constants and compare with the results of a dispersive analysis of pi-pi scattering. The comparison indicates a small but nonzero value for the 1/Nc suppressed NLO low energy constants L4r and L6r.
Subject headings
- NATURVETENSKAP -- Fysik -- Subatomär fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Subatomic Physics (hsv//eng)
Keyword
- Chiral Lagrangians
- Spontaneous Symmetry Breaking
Publication and Content Type
- art (subject category)
- ref (subject category)
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