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Some of the material in is restricted to members of the community. By logging in, you may be able to gain additional access to certain collections or items. If you have questions about access or logging in, please use the form on the Contact Page.
In lattice gauge theory one estimates masses from correlation functions in Euclidean time to which superselection rules may apply. The correlation functions are a superposition of exponential functions of the energy levels, and the mass...
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