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Measurement of spin-dependent total cross-section differenceΔσ T in neutron-proton scattering at 16 MeV |
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| Authors: | J. Brož J. Černý Z. Doležal G. M. Gurevich M. Jirásek P. Kubík A. A. Lukhanin J. Svejda I. Wilhelm N. S. Borisov Yu. M. Kazarinov B. A. Khachaturov E. S. Kuzmin V. N. Matafonov A. B. Neganov I. L. Pisarev Yu. A. Plis Yu. A. Usov M. Rotter B. Sedlák |
| Affiliation: | 1. Nuclear Centre, Charles University, V Hole?ovi?kách 2, CZ-180 00, Prague 8, Czech Republic 4. Laboratory of Nuclear Problems, Joint Institute for Nuclear Research, 141980, Dubna, Moscow Region, Russia 5. Department of Low Temperature Physics, Faculty of Mathematics and Physics, Charles University, V Hole?ovi?kách 2, CZ-180 00, Prague 8, Czech Republic |
| Abstract: | A new measurement ofΔσ T for polarized neutrons transmitted through a polarized proton target at 16.2 MeV has been made. A polarized neutron beam was produced with the3H(d, n)4 He reaction; proton polarization over 90% was achieved in a frozen spin target of 20 cm3 volume. The measurement yields the valueΔσ T=(?126±21±14) mb. The result of a simple phase shift analysis for the3 S 1?3 D 1 mixing parameter ε1 is presented and compared with the theoretical potential model predictions. |
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