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On the nature of the Roper resonance (1011.0609v1)
Published 2 Nov 2010 in nucl-th and hep-ph
Abstract: The lightest N* state, N(1440) P11, also known as Roper resonance, has puzzled physicists for decades. A large variety of theoretical models aimed to understand its properties have been proposed. Some of them are briefly reviewed here, together with the hadronic processes where the Roper resonance is revealed or plays an important role.
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