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Total n cross section from 50 to 400 MeV/c and hint for a narrow n state

✍ Scribed by F. Iazzi

Book ID: 104334042
Publisher: Elsevier Science
Year: 1999
Tongue: English
Weight: 208 KB
Volume: 654
Category: Article
ISSN: 0375-9474
DOI: 10.1016/s0375-9474(00)88488-2

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✦ Synopsis

The measurement of the/i -p total cross section in the momentum range 50-400 MeV/c has been performed in the OBELIX experiment at the LEAR machine at CERN. The results are reported for the first time together with a preliminary analysis in terms of scattering length and scattering volume approximation: from this analysis the contributions of the S and P wave to the n -p interaction in the full range have been evaluated as well as the isospin dependence of the total cross section in the range 200-400 MeV/c. The most striking result is the strong indication in the data of a narrow/ip state near the pp threshold.

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