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On the close to threshold meson production in neutron-neutron collisions

P. Moskal, H. -H. Adam, A. Budzanowski, T. Goetz, D. Grzonka, L. Jarczyk, A. Khoukaz, K. Kilian, C. Kolf, P. Kowina, N. Lang, T. Lister, W. Oelert, C. Quentmeier, R. Santo, G. Schepers, T. Sefzick, M. Siemaszko, J. Smyrski, S. Steltenkamp, A. Strzalkowski, P. Winter, M. Wolke, P. Wuestner, W. Zipper

nucl-exarXiv:nucl-ex/0108005

Abstract

A method of measuring the close to threshold meson production in neutron-neutron collisions is described where the momenta of the colliding neutrons can be determined with the accuracy obtainable for the proton-proton reaction. The technique is based on the double quasi-free nn --> nn X0 reaction, where deuterons are used as a source of neutrons

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