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Studies on fission with ALADIN

Precise and simultaneous measurement of fission yields, total kinetic energy and total prompt neutron multiplicity at GSI

The European Physical Journal A volume 51, Article number: 174 (2015) Cite this article

Abstract.

A novel technique for fission studies, based on the inverse kinematics approach, is presented. Following pioneering work in the nineties, the SOFIA Collaboration has designed and built an experimental set-up dedicated to the simultaneous measurement of isotopic yields, total kinetic energies and total prompt neutron multiplicities, by fully identifying both fission fragments in coincidence, for the very first time. This experiment, performed at GSI, permits to study the fission of a wide variety of fissioning systems, ranging from mercury to neptunium, possibly far from the valley of stability. A first experiment, performed in 2012, has provided a large array of unprecedented data regarding the nuclear fission process. An excerpt of the results is presented. With this solid starter, further improvements of the experimental set-up are considered, which are consistent with the expected developments at the GSI facility, in order to measure more fission observables in coincidence. The completeness reached in the SOFIA data, permits to scrutinize the correlations between the interesting features of fission, offering a very detailed insight in this still unraveled mechanism.

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Authors and Affiliations

  1. CEA DAM Bruyères-le-Châtel, F-91297, Arpajon, France

    Julie-Fiona Martin, Julien Taieb, Audrey Chatillon, Gilbert Bélier, Guillaume Boutoux, Adeline Ebran, Thomas Gorbinet, Lucie Grente, Benoit Laurent & Eric Pellereau

  2. CNRS/IN2P3, IPNO, F-91406, Orsay, France

    Laurent Audouin & Laurent Tassan-Got

  3. Universidad de Santiago de Compostela, E-15782, Santiago de Compostela, Spain

    Héctor Alvarez-Pol, Yassid Ayyad, Jose Benlliure, Dolores Cortina Gil, Manuel Caamaño, Beatriz Fernández Domínguez, Carlos Paradela, Diego Ramos, Jose-Luis Rodríguez-Sànchez & Jossitt Vargas

  4. Universidad de Vigo, E-36200, Vigo, Spain

    Enrique Casarejos

  5. Chalmers University of Technology, SE-41296, Gothenburg, Sweden

    Andreas Heinz

  6. GSI Helmholtzzentrum für Schwerionienforschung GmbH, D-64291, Darmstadt, Germany

    Aleksandra Kelić-Heil, Nikolaus Kurz, Chiara Nociforo, Stéphane Pietri, Dominic Rossi, Karl-Heinz Schmidt, Haik Simon, Bernd Voss & Helmut Weick

  7. CNRS/IN2P3, GANIL, F-14076, Caen, France

    Fanny Farget & Carme Rodríguez-Tajes

  8. CNRS/IN2P3, CENBG, F-33175, Gradignan, France

    Beatriz Jurado

  9. Technische Universität Darmstadt, D-64289, Darmstadt, Germany

    Thomas Aumann

Authors
  1. Julie-Fiona Martin
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  2. Julien Taieb
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  3. Audrey Chatillon
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  4. Gilbert Bélier
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  5. Guillaume Boutoux
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  6. Adeline Ebran
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  7. Thomas Gorbinet
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  8. Lucie Grente
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  9. Benoit Laurent
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  10. Eric Pellereau
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  11. Héctor Alvarez-Pol
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  12. Laurent Audouin
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  13. Thomas Aumann
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  14. Yassid Ayyad
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  15. Jose Benlliure
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  16. Enrique Casarejos
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  17. Dolores Cortina Gil
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  18. Manuel Caamaño
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  19. Fanny Farget
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  20. Beatriz Fernández Domínguez
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  21. Andreas Heinz
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  22. Beatriz Jurado
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  23. Aleksandra Kelić-Heil
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  24. Nikolaus Kurz
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  25. Chiara Nociforo
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  26. Carlos Paradela
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  27. Stéphane Pietri
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  28. Diego Ramos
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  29. Jose-Luis Rodríguez-Sànchez
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  30. Carme Rodríguez-Tajes
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  31. Dominic Rossi
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  32. Karl-Heinz Schmidt
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  33. Haik Simon
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  34. Laurent Tassan-Got
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  35. Jossitt Vargas
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  36. Bernd Voss
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  37. Helmut Weick
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Corresponding author

Correspondence to Julie-Fiona Martin.

Additional information

Communicated by N. Alamanos

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Martin, JF., Taieb, J., Chatillon, A. et al. Studies on fission with ALADIN. Eur. Phys. J. A 51, 174 (2015). https://doi.org/10.1140/epja/i2015-15174-0

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  • DOI: https://doi.org/10.1140/epja/i2015-15174-0