Abstract
It is seen by a coupled-channel scattering calculation that in the intermediate two-baryon or system the width of the state is greatly diminished due to the relative kinetic energy of the two baryons, since the internal energy of the particles, available for pionic decay, is smaller. Specifically, a state-dependent effect arises from the centrifugal barrier in or systems. The double width can become even smaller than the free width of a single . This has some bearing to the interpretation of the resonance recently discovered at COSY.
1 More- Received 27 October 2016
DOI:https://doi.org/10.1103/PhysRevC.95.054002
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