Measurement of the total and differential cross-sections for the reaction pi- p --> eta n with the Crystal Ball detector

Kozlenko, N.G.; Abaev, V.V.; Bekrenev, V.S.; Kruglov, S.P.; Koulbardis, A.A.; Lopatin, I.V.; Starostin, A.B.; Draper, B.; Hayden, S.; Huddleston, J.

doi:10.1134/1.1540664

Measurement of the total and differential cross-sections for the reaction pi- p --> eta n with the Crystal Ball detector

2003

4 pages

Published in:

Phys.Atom.Nucl. 66 (2003) 110-113,
Yad.Fiz. 66 (2003) 112-115

DOI:

10.1134/1.1540664

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Abstract: (Springer)

The first results obtained in 1998 by the Crystal Ball collaboration from a measurement of the total and differential cross sections for the reaction π − p → ηn are presented. These new experimental results for the total cross sections are compared with the predictions of the K-matrix model for pion-nucleon scattering. The angular distribution at momenta near the reaction threshold (685 MeV/c) is determined by the S-wave contribution. The P-wave contribution begins to manifest itself from a momentum of 720 MeV/c.

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