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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
physics and astronomy
Indications for the nonexistence of three-neutron resonances near the physical region
Physical Review C - Nuclear Physics, Volume 66, No. 5, Year 2002
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Description
The pending question of the existence of three-neutron resonances near the physical energy region is reconsidered. Finite rank neutron-neutron forces are used in Faddeev equations, which are analytically continued into the unphysical energy sheet below the positive real energy axis. The trajectories of the three-neutron S-matrix poles in the states of total angular momenta and parity [Formula Presented] and [Formula Presented] are traced out as a function of artificial enhancement factors of the neutron-neutron forces. The final positions of the S-matrix poles removing the artificial factors are found in all cases to be far away from the positive real energy axis, which provides a strong indication for the nonexistence of nearby three-neutron resonances. The pole trajectories close to the threshold [Formula Presented] are also predicted out of auxiliary generated three-neutron bound state energies using the Padé method and agree very well with the directly calculated ones. © 2002 The American Physical Society.
Authors & Co-Authors
Hemmdan, A.
Germany, Bochum
Ruhr-universitat Bochum
Egypt, Aswan
Faculty of Science
Glöckle, Walter
Germany, Bochum
Ruhr-universitat Bochum
Kamada, H.
Japan, Kitakyushu
Kyushu Institute of Technology
Statistics
Citations: 3
Authors: 3
Affiliations: 3
Identifiers
Doi:
10.1103/PhysRevC.66.054001
ISSN:
05562813
e-ISSN:
1089490X