Nuclear halo structure and pseudospin symmetry
Nuclear halo structure and conservation of relativistic symmetry are studied within the framework of the relativistic Hartree-Fock-Bogoliubov theory. Giant halos as well as ordinary ones are found in cerium isotopes close to the neutron drip line. Bridged by the T=0 channel, the conservation of pseu...
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| Veröffentlicht in: | Physical review. C, Nuclear physics Nuclear physics, 2010-03, Vol.81 (3), Article 031302 |
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| container_title | Physical review. C, Nuclear physics |
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| creator | Long, Wen Hui Ring, Peter Meng, Jie Van Giai, Nguyen Bertulani, Carlos A. |
| description | Nuclear halo structure and conservation of relativistic symmetry are studied within the framework of the relativistic Hartree-Fock-Bogoliubov theory. Giant halos as well as ordinary ones are found in cerium isotopes close to the neutron drip line. Bridged by the T=0 channel, the conservation of pseudospin symmetry (PSS) plays an essential role in stabilizing the neutron halo structures. The Fock terms, especially the rho-tensor couplings, not only play a significant role in PSS conservation but also present substantial contributions to the T=0 channel, by which the necessity of Fock terms is well demonstrated. |
| doi_str_mv | 10.1103/PhysRevC.81.031302 |
| format | Article |
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Giant halos as well as ordinary ones are found in cerium isotopes close to the neutron drip line. Bridged by the T=0 channel, the conservation of pseudospin symmetry (PSS) plays an essential role in stabilizing the neutron halo structures. The Fock terms, especially the rho-tensor couplings, not only play a significant role in PSS conservation but also present substantial contributions to the T=0 channel, by which the necessity of Fock terms is well demonstrated.</description><identifier>ISSN: 0556-2813</identifier><identifier>EISSN: 1089-490X</identifier><identifier>DOI: 10.1103/PhysRevC.81.031302</identifier><language>eng</language><publisher>United States</publisher><subject>BARYONS ; CERIUM ISOTOPES ; COUPLING ; ELEMENTARY PARTICLES ; ENERGY RANGE ; FERMIONS ; HADRONS ; HARTREE-FOCK-BOGOLYUBOV THEORY ; ISOTOPES ; NEUTRONS ; NUCLEAR HALOS ; NUCLEAR PHYSICS AND RADIATION PHYSICS ; NUCLEAR STRUCTURE ; NUCLEONS ; RELATIVISTIC RANGE ; SYMMETRY</subject><ispartof>Physical review. 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| ispartof | Physical review. C, Nuclear physics, 2010-03, Vol.81 (3), Article 031302 |
| issn | 0556-2813 1089-490X |
| language | eng |
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| source | American Physical Society Journals |
| subjects | BARYONS CERIUM ISOTOPES COUPLING ELEMENTARY PARTICLES ENERGY RANGE FERMIONS HADRONS HARTREE-FOCK-BOGOLYUBOV THEORY ISOTOPES NEUTRONS NUCLEAR HALOS NUCLEAR PHYSICS AND RADIATION PHYSICS NUCLEAR STRUCTURE NUCLEONS RELATIVISTIC RANGE SYMMETRY |
| title | Nuclear halo structure and pseudospin symmetry |
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