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Experimental Evidence for Common Driving Effects in Low-Energy Fission from Sublead to Actinides.
Schmitt, C; Lemasson, A; Schmidt, K-H; Jhingan, A; Biswas, S; Kim, Y H; Ramos, D; Andreyev, A N; Curien, D; Ciemala, M; Clément, E; Dorvaux, O; De Canditiis, B; Didierjean, F; Duchêne, G; Dudouet, J; Frankland, J; Jacquot, B; Raison, C; Ralet, D; Retailleau, B-M; Stuttgé, L; Tsekhanovich, I.
Affiliation
  • Schmitt C; Institut Pluridisciplinaire Hubert Curien, CNRS/IN2P3-UDS, 67037 Strasbourg Cedex 2, France.
  • Lemasson A; GANIL, CEA/DRF-CNRS/IN2P3, BP 55027, 14076 Caen cedex 5, France.
  • Schmidt KH; Rheinstraße 4, 64390 Erzhausen, Germany.
  • Jhingan A; Inter University Accelerator Centre, Aruna Asaf Ali Marg, Post Box 10502, New Delhi 110067, India.
  • Biswas S; GANIL, CEA/DRF-CNRS/IN2P3, BP 55027, 14076 Caen cedex 5, France.
  • Kim YH; Institut Laue-Langevin, 38042 Grenoble Cedex 9, France.
  • Ramos D; GANIL, CEA/DRF-CNRS/IN2P3, BP 55027, 14076 Caen cedex 5, France.
  • Andreyev AN; Department of Physics, University of York, York YO10 5DD, United Kingdom.
  • Curien D; Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195, Japan.
  • Ciemala M; ISOLDE, CERN, CH-1211 Geneve 23, Switzerland.
  • Clément E; Institut Pluridisciplinaire Hubert Curien, CNRS/IN2P3-UDS, 67037 Strasbourg Cedex 2, France.
  • Dorvaux O; The Niewodniczanski Institute of Nuclear Physics-PAN, 31-342 Kraków, Poland.
  • De Canditiis B; GANIL, CEA/DRF-CNRS/IN2P3, BP 55027, 14076 Caen cedex 5, France.
  • Didierjean F; Institut Pluridisciplinaire Hubert Curien, CNRS/IN2P3-UDS, 67037 Strasbourg Cedex 2, France.
  • Duchêne G; Institut Pluridisciplinaire Hubert Curien, CNRS/IN2P3-UDS, 67037 Strasbourg Cedex 2, France.
  • Dudouet J; Institut Pluridisciplinaire Hubert Curien, CNRS/IN2P3-UDS, 67037 Strasbourg Cedex 2, France.
  • Frankland J; Institut Pluridisciplinaire Hubert Curien, CNRS/IN2P3-UDS, 67037 Strasbourg Cedex 2, France.
  • Jacquot B; CSNSM, Université Paris-Sud, CNRS/IN2P3, Université Paris-Saclay, 91405 Orsay, France.
  • Raison C; Université Lyon, Université Claude Bernard Lyon 1, CNRS/IN2P3, IP2I Lyon, UMR 5822, F-69622 Villeurbanne, France.
  • Ralet D; GANIL, CEA/DRF-CNRS/IN2P3, BP 55027, 14076 Caen cedex 5, France.
  • Retailleau BM; GANIL, CEA/DRF-CNRS/IN2P3, BP 55027, 14076 Caen cedex 5, France.
  • Stuttgé L; Department of Physics, University of York, York YO10 5DD, United Kingdom.
  • Tsekhanovich I; GANIL, CEA/DRF-CNRS/IN2P3, BP 55027, 14076 Caen cedex 5, France.
Phys Rev Lett ; 126(13): 132502, 2021 Apr 02.
Article in En | MEDLINE | ID: mdl-33861122
ABSTRACT
Isotopic distributions of fragments from fission of the neutron-deficient ^{178}Hg nuclide are reported. This experimental observable is obtained for the first time in the region around lead using an innovative approach based on inverse kinematics and the coincidence between the large acceptance magnetic spectrometer VAMOS++ and a new detection arm close to the target. The average fragment N/Z ratio and prompt neutron M_{n} multiplicity are derived and compared with current knowledge from actinide fission. A striking consistency emerges, revealing the unexpected dominant role of the proton subsystem with atomic number between the Z=28 and 50 magic numbers. The origin of nuclear charge polarization in fission and fragment deformation at scission are discussed.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Phys Rev Lett Year: 2021 Type: Article Affiliation country: France
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Phys Rev Lett Year: 2021 Type: Article Affiliation country: France