A simple, large-solid-angle apparatus, specially suited for the measurement of backward elastic scattering of medium-energy pions on protons and deuterons, is described. The method of analysis which reduces background and determines elastic events from a data sample of 185 MeV negative pions incident on a D2O target is discussed. Results for 141 MeVπ+pand 185 MeVπ−p backward cross-sections are also presented and compared with cross-sections calculated from known phase shifts.

OPERATION AND PERFORMANCE OF A SYSTEM FOR pi p AND pi d BACKWARD SCATTERING

BRESSANI, Tullio;CHIAVASSA, Emilio Luciano;GALLIO, Mauro;
1980-01-01

Abstract

A simple, large-solid-angle apparatus, specially suited for the measurement of backward elastic scattering of medium-energy pions on protons and deuterons, is described. The method of analysis which reduces background and determines elastic events from a data sample of 185 MeV negative pions incident on a D2O target is discussed. Results for 141 MeVπ+pand 185 MeVπ−p backward cross-sections are also presented and compared with cross-sections calculated from known phase shifts.
1980
177
369
399
A. Stanovnik; G. Kernel; N.W. Tanner; T. Bressani; E. Chiavassa; S. Costa; G. Dellacasa; M. Gallio; A. Musso; M. Panighini; K. Bos; D. Frame; E.G. Mic...espandi
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2318/103009
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