Recent results from NA48/2 on pion scattering lengths in Ke4 decay and cusp in K{sup {+-}}{yields}{pi}{sup {+-}}{pi}{sup 0}{pi}{sup 0}
Journal Article
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· AIP Conference Proceedings
- Department of Physics, University of Pisa Largo B. Pontecorvo 3, 56127 Pisa (Italy)
The computation of pion scattering lengths a{sub 0}{sup 0} and a{sub 0}{sup 2} has been addressed in two independent analyses by the NA48/2 collaboration: the variation of the phase shift {delta} = {delta}{sub 0}{sup 0}-{delta}{sub 1}{sup 1} in K{sup {+-}}{yields}{pi}{sup {+-}}{pi}{sup {+-}}e{sup {+-}}{nu} (Ke4) decay and the fit of a cusp-like structure in the M{sub {pi}{sup 0}}{sub {pi}{sup 0}}{sup 2} distribution of the K{sup {+-}}{yields}{pi}{sup {+-}}{pi}{sup 0}{pi}{sup 0} decay.
- OSTI ID:
- 21049387
- Journal Information:
- AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Journal Issue: 1 Vol. 964; ISSN APCPCS; ISSN 0094-243X
- Country of Publication:
- United States
- Language:
- English
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