Physics – Nuclear Physics – Nuclear Theory
Scientific paper
1997-06-27
Phys.Lett. B406 (1997) 292-296
Physics
Nuclear Physics
Nuclear Theory
Latex, 11 pages, 2 figures, to be published in Phy.Lett.B
Scientific paper
10.1016/S0370-2693(97)00691-6
The three-nucleon system is studied at energies a few hundred keV above the N-d threshold. Measurements of the tensor analyzing powers $T_{20}$ and $T_{21}$ for p-d elastic scattering at $E_{c.m.}=432$ keV are presented together with the corresponding theoretical predictions. The calculations are extended to very low energies since they are useful for extracting the p-d scattering lengths from the experimental data. The interaction considered here is the Argonne V18 potential plus the Urbana three-nucleon potential. The calculation of the asymptotic D- to S-state ratio for $^3$H and $^3$He, for which recent experimental results are available, is also presented.
Brune Carl R.
Karwowski H. J.
Kievsky Alejandro
Ludwig E. J.
Rosati S.
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