The Ay Problem for p-3He Elastic Scattering

Details The Ay Problem for p-3He Elastic Scattering The Ay Problem for p-3He Elastic Scattering

2001-04-02

arxiv.org/abs/nucl-th/0104002v1

Phys.Rev.Lett. 86 (2001) 3739-3742

Physics

Nuclear Physics

Nuclear Theory

Latex file, 4 pages, 2 figures, to be published on Phys. Rev. Lett

Scientific paper

10.1103/PhysRevLett.86.3739

We present evidence that numerically accurate quantum calculations employing modern internucleon forces do not reproduce the proton analyzing power, A_y, for p-3He elastic scattering at low energies. These calculations underpredict new measured analyzing powers by approximately 30% at E_{c.m.} = 1.20 MeV and by 40% at E_{c.m.} = 1.69 MeV, an effect analogous to a well-known problem in p-d and n-d scattering. The calculations are performed using the complex Kohn variational principle and the (correlated) Hyperspherical Harmonics technique with full treatment of the Coulomb force. The inclusion of the three-nucleon interaction does not improve the agreement with the experimental data.

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