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Ch. Elster, H. Liu, T. Lin Fachruddin, W. Gloeckle H.Kamada, H.Witala A. Nogga, W. Schadow. 2. 1. 1. 3. 3. 3. 2. 2. 1. 3N force integration => Two integrations of 2N force like + Two coordinate transformations. MT2-I. MMT3-I. MT2-II.
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Ch. Elster, H. Liu, T. Lin Fachruddin, W. Gloeckle H.Kamada, H.Witala A. Nogga, W. Schadow
2 1 1 3 3 3 2 2 1
3N force integration => Two integrations of 2N force like + Two coordinate transformations.
MT2-I MMT3-I MT2-II MMT3-II
MT2-I 66.967 -74.547 -7.580 MMT3-B 67.309 -74.895 -7.550 5.000 60.00 660.0 -1.90 MT2-I MMT3-B
Full Faddeev The Solution of Three-Body Amplitude T at Different Orders in Two-Body t -Matrix 1st order 2nd order 3rd order 4th order Do these expansions at certain orders well approximate the full Faddeev solution ? How do rescattering terms contribute to the total amplitude ?
Elastic Cross Section at Exact Backward Direction Convergence properties as a Function of Energies
A specific break-up configuration and measurement: the neutron is ejected at extreme backward angles, and the two protons at extreme forward angles, only events with small PP relative energy are measured At 1.0 GeV scale: partial sum up to 3rd order is necessary Convergence improved by going higher orders at backward angle !