ar X iv : n uc l - th / 9 80 70 53 v 1 2 1 Ju l 1 99 8 Amplitude Analysis
نویسنده
چکیده
Even if a ‘complete set’ of experimental observables were measured for the elastic scattering or photo/electroproduction of pseudoscalar mesons, ambiguities would remain in the extracted partial-wave and isospin decomposed amplitudes. As these problems are not widely understood, the present work outlines the way model-dependence enters into analyses of data from both hadronic and electromagnetic facilities.
منابع مشابه
ar X iv : n uc l - th / 9 80 70 34 v 1 1 0 Ju l 1 99 8 Universalities of Triplet Pairing in Neutron Matter
The fundamental structure of the full set of solutions of the BCS P2 pairing problem in neutron matter is established. The relations between different spin-angle components in these solutions are shown to be practically independent of density, temperature, and the specific form of the pairing interaction. The spectrum of pairing energies is found to be highly degenerate. Typeset using REVTEX
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Nuclear Physics is the branch of physics that deals with the properties and structure of matter on the hadronic level. In this article we review briefly the history of this field, which has a major role in the development of our understanding of nature. We then proceed to give an outline of a current perspective of the field and of some of the issues that are now on its frontiers.
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تاریخ انتشار 2008