Isospin breaking in K ---> 3 pi decays. 1. Strong isospin breaking
May, 200425 pages
Published in:
- Nucl.Phys.B 697 (2004) 319-342
e-Print:
- hep-ph/0405025 [hep-ph]
Report number:
- LU-TP-04-20
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Abstract:
The CP conserving amplitudes for the decays are calculated in Chiral Perturbation Theory. The calculation is made at the next-to-leading order including strong and local electromagnetic isospin breaking. A comparison is made between the squared amplitudes with and without isospin violation to estimate the size of the effect. We find corrections of order five percent in the amplitudes.- 11.30.Rd
- 12.39.Fe
- 13.20.Eb
- 14.40.Aq
- K: hadronic decay
- K: width
- isospin: violation
- amplitude analysis: decay
- CP: violation
- perturbation theory: chiral
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