Deformed nuclear halos |
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| Affiliation: | 1. Department of Physics & Astronomy, University of Tennessee, Knoxville, TN 37996, USA;2. Institute of Theoretical Physics, Warsaw University, Hoża 69, PL-00681 Warsaw, Poland;3. Physics Division, Oak Ridge National Laboratory, P.O. Box 2008, Oak Ridge, TN, 37831, USA;4. Joint Institute for Heavy Ion Research, Oak Ridge National Laboratory, P.O. Box 2008, Oak Ridge, TN 37831, USA;5. Department of Mathematical Physics, Lund Institute of Technology, S-22100 Lund, Sweden;1. Accelerator Laboratory, Department of Physics, University of Jyväskylä, PB 35(YFL) FIN-40351 Jyväskylä, Finland;2. KU Leuven, Instituut voor Kern-en Stralingsfysica, B-3001 Leuven, Belgium;3. Department of Physics and Astronomy, University of Manchester, Manchester M13 9PL, United Kingdom;4. Department of Physics, University of York, Heslington, York YO10 5DD, United Kingdom;5. Université de Lyon, Institut de Physique des 2 Infinis de Lyon, IN2P3-CNRS-UCBL, 4 rue Enrico Fermi, 69622 Villeurbanne, France;6. Department of Physics, University of Liverpool, Liverpool L69 7ZE, United Kingdom;7. Institute of Theoretical Physics, Faculty of Physics, University of Warsaw, ul. Pasteura 5, PL-02-093 Warsaw, Poland;8. CERN, CH-1211 Geneva 23, Switzerland;9. Massachusetts Institute of Technology, Cambridge, MA 02139, USA;10. Université de Bordeaux, CNRS, LP2I Bordeaux, UMR 5797, F-33170 Gradignan, France;11. Institut für Kernphysik, Technische Universität Darmstadt, D-64289 Darmstadt, Germany;1. Department of Physics, Taibah University, Almadinah Almunawwarah, Saudi Arabia;2. Department of Physics, Cairo University, Giza 12613, Egypt;3. Department of Physics, Faculty of Science, Fayoum University, Egypt;1. Instituto de Estructura de la Materia, CSIC, Serrano 123, 28006 Madrid, Spain;2. Departamento de Ciencias Integradas y Centro de Estudios Avanzados en Física, Matemática y Computación, Universidad de Huelva, 21071 Huelva, Spain;3. Instituto Carlos I de Física Teórica y Computacional, Universidad de Granada, Fuentenueva s/n, 18071 Granada, Spain;4. Unidad Asociada de la Universidad de Huelva al IEM (CSIC), Madrid, Spain;5. Departamento de Física Atómica, Molecular y Nuclear, Facultad de Física, Universidad de Sevilla, Apartado 1065, 41080 Sevilla, Spain;6. Departamento de Física Aplicada III, Escuela Técnica Superior de Ingeniería, Universidad de Sevilla, Camino de los Descubrimientos, 41092 Sevilla, Spain;7. Institut de Physique Nucléaire, Université de Paris-Sud, CNRS-IN2P3, 15 rue G. Clemenceau, 91406 Orsay Cedex, France;8. Université de Grenoble Alpes, CNRS, LPMMC, 38000 Grenoble, France;1. Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China;2. University of Chinese Academy of Sciences, Beijing 100049, China;3. Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201210, China |
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| Abstract: | Deformation properties of weakly bound nuclei are discussed in the deformed single-particle model. It is demonstrated that in the limit of a very small binding energy the valence particles in specific orbitals, characterized by a very small projection of single-particle angular momentum onto the symmetry axis of a nucleus, can give rise to the halo structure which is completely decoupled from the rest of the system. The quadrupole deformation of the resulting halo is completely determined by the intrinsic structure of a weakly bound orbital, irrespective of the shape of the core. |
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