The new pionic hydrogen experiment at PSI

A new high-precision determination of the strong-interaction shift ( ε 1 s ) and broadening ( Γ 1 s ) of the ground state in pionic hydrogen (πH) has been started at PSI [1]. This constitutes a direct measurement of the πN scattering lengths a + and a − and is an important test of the methods of chi...

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Bibliographic Details
Published in:Progress in particle and nuclear physics 2003, Vol.50 (2), p.363-365
Main Author: Hennebach, M.
Format: Article
Language:English
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Summary:A new high-precision determination of the strong-interaction shift ( ε 1 s ) and broadening ( Γ 1 s ) of the ground state in pionic hydrogen (πH) has been started at PSI [1]. This constitutes a direct measurement of the πN scattering lengths a + and a − and is an important test of the methods of chiral perturbation theory.
ISSN:0146-6410
1873-2224
DOI:10.1016/S0146-6410(03)00029-2