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- Title
Measurement of the Strong Interaction Shift and Width of the Ground State of Pionic Hydrogen.
- Authors
Manil, B.; Anagnostopoulos, D. F.; Biri, S.; Borchert, G. L.; Breunlich, W.; Egger, J. P.; Gotta, D.; Gruber, A.; Hennebach, M.; Indelicato, P.; Jensen, T.; Liu, Y. W.; Markushin, V.; Nelms, N.; Simons, L. M.; Zmeskal, H.
- Abstract
An experiment to measure the strong interaction width (Γ1s) and shift (ℇ1s) of the ground state of pionic hydrogen (π-p), in order to determine the isospin separated scattering lengths (a+ and a-) with a relative accuracy of better than 10-2, has been undertaken at the Paul Scherrer Institute (PSI). This measurement is based on high-precision X-ray spectroscopy of the np→1s transitions pionic hydrogen (π-p). A preliminary analysis of the data taken in December 2000 is presented.
- Subjects
PION-pion interactions; NUCLEAR reactions; NUCLEAR physics; HYDROGEN; NONMETALS; CHEMICAL elements; SPECTRUM analysis; ANALYTICAL chemistry
- Publication
Hyperfine Interactions, 2003, Vol 146/147, Issue 1-4, p343
- ISSN
0304-3843
- Publication type
Article
- DOI
10.1023/B:HYPE.0000004221.86162.c0