SYSTEMATICS OF THE EXCITATION OF M1 RESONANCES IN MEDIUM HEAVY NUCLEI BY 200-MeV PROTON INELASTIC SCATTERING
- C. Djalali(,)
- Orsay and
- Alberta U.
- N. Marty(,)
- Orsay and
- Alberta U.
- M. Morlet(,)
- Orsay and
- Alberta U.
- A. Willis(,)
- Orsay and
- Alberta U.
- J.C. Jourdain()
- Orsay and
- Alberta U.
18 pages
Published in:
- Nucl.Phys.A 388 (1982) 1-18
- Published: 1982
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Abstract: (Elsevier)
In a series of seventeen nuclei ranging from 51 V to 14 Ce, broad resonance structures are observed at energies between 8 and 10 MeV, nearly mass independent. These resonances have very forward peaked angular distributions which imply that they are populated by an angular momentum transfer of zero. This together with the observed excitation energies suggests an M1 character for these resonances. In 51 V, 58 Ni, 60 Ni, 62 Ni, a sharp peak located at an excitation energy above the threshold for neutron emission is interpreted as a part of the T 0 + 1 component of the M1 resonance. Cross sections are given for all the M1 resonances. For 58 Ni, 90 Zr, 92 Mo, 120 Sn and 140 Ce, an “attenuation” factor for the cross sections is extracted in a DWIA calculation assuming simple shell-model structures for these resonances.- Nuclear reactions
- P NUCLEUS: NUCLEAR REACTION
- VANADIUM
- NICKEL: NUCLIDE
- ZINC
- ZIRCONIUM: NUCLIDE
- MOLYBDENUM: NUCLIDE
- TIN: NUCLIDE
- CERIUM
- NUCLEUS: DECAY WIDTH
References(42)
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