New Light on Electromagnetic Corrections to the Scattering Parameters Obtained from Experiments on Pionium

Gellerstedt, Goran; Oades, G C; Rasche, G; Woolcock, W S

Cultural advice

The Australian National University acknowledges, celebrates and pays our respects to the Ngunnawal and Ngambri people of the Canberra region and to all First Nations Australians on whose traditional lands we meet and work, and whose cultures are among the oldest continuing cultures in human history.

Aboriginal and Torres Strait Islander peoples are advised that ANU Library collections may include images, names, voices, and other representations of deceased persons.

Material in the collection may contain terms, language or views that reflect the period in which the item was created and may be considered inappropriate today.

New Light on Electromagnetic Corrections to the Scattering Parameters Obtained from Experiments on Pionium

Date

2002

Authors

Gellerstedt, Goran

Oades, G C

Rasche, G

Woolcock, W S

Publisher

Elsevier

Abstract

We calculate the electromagnetic corrections needed to obtain isospin invariant hadronic pion-pion s-wave scattering lengths a0, a2 from the elements acc, a0c of the s-wave scattering matrix for the (π+π-,π0π0) system at the π+π- threshold. The latt