Analysis of recent ANKE-COSY data on the deuteron breakup pd pp(¹S₀)n in a kinematics similar to backward pd elastic scattering shows very high sensitivity of this process to the short-range NN interaction. Employing the CD Bonn potential instead of the RSC or Paris potentials changes all contributions of the deuteron breakup model based on the one-nucleon exchange, single pN scattering and D excitation mechanism in the right direction and achieves good qualitative agreement with the measured unpolarized cross section. Spin observables, planned to be measured at ANKE-COSY, are calculated here within the above model.

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