Nuclear Reactions at High Energy
- 1 March 1973
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 7 (5) , 1441-1457
- https://doi.org/10.1103/physrevd.7.1441
Abstract
In the quark model, nuclei () have exotic quantum numbers. Given a nuclear reaction in which certain quantum numbers are exchanged, what is the scattering amplitude at high energies, in the GeV region? Does it have Regge behavior? Is it dual? Are there multibaryon resonances? In this context we present a general survey of all high-energy nuclear reactions - mainly those involving light nuclei. For exchange reactions, like and (), there is the impulse and rescattering (Glauber) model. For exchange we discuss the one-pion-exchange (OPE) model for , , and , and the "knock-on" model for , , , , and . In the case of exchange we examine the impulse and rescattering diagrams for , , and , and use the OPE model to calculate cross sections for , , and . Briefly considered are: (1) backward elastic scattering from heavy nuclei () and (2) inclusive nuclear reactions such as and . We postulate that in general nuclear reactions have Regge behavior, but are not dual, because so far there are no exotic multibaryon resonances. Nuclear reactions appear to be completely dominated by anomalous singularities, whereas ordinary nonexotic hadron reactions appear to be dominated by normal singularities and poles.
Keywords
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