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Magnetic dipole excitations in nuclei : elementary modes of nucleonic motion

(2010) REVIEWS OF MODERN PHYSICS. 82(3). p.2365-2419
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Abstract
The nucleus is one of the most multifaceted many-body systems in the Universe. It exhibits a multitude of responses depending on the way one "probes" it. With increasing technical advancements of beams at the various accelerators and of detection systems the nucleus has, over and over again, surprised us by expressing always new ways of "organized" structures and layers of complexity. Nuclear magnetism is one of those fascinating faces of the atomic nucleus discussed in the present review. We shall not just limit ourselves to presenting the by now large data set that has been obtained in the past two decades using various probes, electromagnetic and hadronic alike and that presents ample evidence for a low-lying orbital scissors mode around 3 MeV, albeit fragmented over an energy interval of the order of 1.5 MeV, and higher-lying spin-flip strength in the energy region 5-9 MeV in deformed nuclei nor to the presently discovered evidence for low-lying proton-neutron isovector quadrupole excitations in spherical nuclei. To the contrary, the experimental evidence is put in the perspectives of understanding the atomic nucleus and its various structures of well-organized modes of motion and thus enlarges the discussion to more general fermion and bosonic many-body systems.
Keywords
PROTON-NEUTRON STRUCTURE, INTERACTING-BOSON MODEL, RARE-EARTH NUCLEI, MIXED-SYMMETRY STATES, RANDOM-PHASE-APPROXIMATION, HEAVY DEFORMED-NUCLEI, INELASTIC ELECTRON-SCATTERING, ODD-MASS NUCLEI, COLLECTIVE M1 TRANSITIONS, CARLO SHELL-MODEL

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Citation

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Chicago
Heyde, Kristiaan, Peter von Neumann-Cosel, and Achim Richter. 2010. “Magnetic Dipole Excitations in Nuclei : Elementary Modes of Nucleonic Motion.” Reviews of Modern Physics 82 (3): 2365–2419.
APA
Heyde, K., von Neumann-Cosel, P., & Richter, A. (2010). Magnetic dipole excitations in nuclei : elementary modes of nucleonic motion. REVIEWS OF MODERN PHYSICS, 82(3), 2365–2419.
Vancouver
1.
Heyde K, von Neumann-Cosel P, Richter A. Magnetic dipole excitations in nuclei : elementary modes of nucleonic motion. REVIEWS OF MODERN PHYSICS. 2010;82(3):2365–419.
MLA
Heyde, Kristiaan, Peter von Neumann-Cosel, and Achim Richter. “Magnetic Dipole Excitations in Nuclei : Elementary Modes of Nucleonic Motion.” REVIEWS OF MODERN PHYSICS 82.3 (2010): 2365–2419. Print.
@article{1111598,
  abstract     = {The nucleus is one of the most multifaceted many-body systems in the Universe. It exhibits a multitude of responses depending on the way one "probes" it. With increasing technical advancements of beams at the various accelerators and of detection systems the nucleus has, over and over again, surprised us by expressing always new ways of "organized" structures and layers of complexity. Nuclear magnetism is one of those fascinating faces of the atomic nucleus discussed in the present review. We shall not just limit ourselves to presenting the by now large data set that has been obtained in the past two decades using various probes, electromagnetic and hadronic alike and that presents ample evidence for a low-lying orbital scissors mode around 3 MeV, albeit fragmented over an energy interval of the order of 1.5 MeV, and higher-lying spin-flip strength in the energy region 5-9 MeV in deformed nuclei nor to the presently discovered evidence for low-lying proton-neutron isovector quadrupole excitations in spherical nuclei. To the contrary, the experimental evidence is put in the perspectives of understanding the atomic nucleus and its various structures of well-organized modes of motion and thus enlarges the discussion to more general fermion and bosonic many-body systems.},
  author       = {Heyde, Kristiaan and von Neumann-Cosel, Peter and Richter, Achim},
  issn         = {0034-6861},
  journal      = {REVIEWS OF MODERN PHYSICS},
  keywords     = {PROTON-NEUTRON STRUCTURE,INTERACTING-BOSON MODEL,RARE-EARTH NUCLEI,MIXED-SYMMETRY STATES,RANDOM-PHASE-APPROXIMATION,HEAVY DEFORMED-NUCLEI,INELASTIC ELECTRON-SCATTERING,ODD-MASS NUCLEI,COLLECTIVE M1 TRANSITIONS,CARLO SHELL-MODEL},
  language     = {eng},
  number       = {3},
  pages        = {2365--2419},
  title        = {Magnetic dipole excitations in nuclei : elementary modes of nucleonic motion},
  url          = {http://dx.doi.org/10.1103/RevModPhys.82.2365},
  volume       = {82},
  year         = {2010},
}

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