Spin-dependent np total cross section

P Haffter,C Brogligysin,J J Campbell,D Fritschi,J Gotz,M Hammans,R Henneck,J Jourdan,G Masson,L M Qin,S J Robinson,I Sick,M Tuccillo,J A Konter,S Mango,B Van Den Brandt

Nuclear Physics A（1992）

Cited 25|Views21

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Abstract

We have measured the spin-dependent total cross-section difference ΔσL in neutron-proton scattering at 66 MeV which is highly sensitive to the 3S1-3D1 mixing parameter ε1. The result ΔσL = −(26.5 ± 1.2 ± 1.6) mb is in good agreement with recent phase-shift analyses that require a large ε1 (a stronger tensor force).

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Nuclear reactions

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