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Transient effects in fission investigated with proton-on-lead reactions in complete kinematic measurements

J. L. Rodriguez-Sanchez ; J. Benlliure ; J. Taieb ; Y. Ayyad ; G. Belier ; G. Boutoux ; E. Casarejos ; A. Chatillon ; T. Gorbinet ; B. Laurent ; J. F. Martin ; C. Paradela ; E. Pellereau ; H. Alvarez-Pol ; L. Audouin ; D. Cortina-Gil ; Andreas Martin Heinz (Institutionen för fundamental fysik) ; A. Kelic-Heil ; B. Pietras ; D. Ramos ; C. Rodriguez-Tajes ; D. Rossi ; H. Simon ; L. Tassan-Got ; J. Vargas ; B. Voss
Physics Procedia - Scientific Workshop on Nuclear Fission Dynamics and the Emission of Prompt Neutrons and Gamma Rays, Theory-3 (1875-3892). Vol. 64 (2015), p. 157-162.
[Konferensbidrag, refereegranskat]

Proton-induced fission of Pb-208 has been investigated at 370, 500 and 650 A MeV in complete kinematic measurements. The experiment was performed at GSI Darmstadt where the combined use of the inverse kinematics technique with an efficient detection setup allowed to measure for the first time the atomic and mass number of both fission fragments. The performed measurement together with different model calculations allow us to investigate dissipative and transient effects in the fission process and the dependence on temperature and deformation of the dissipation strength beta. The use of spallation reactions with lead projectiles favours this study due to its high excitation energy and low angular momentum. (C) 2015 The Authors. Published by Elsevier B.V.

Nyckelord: Spallation reactions, Fission dynamics, Transient time, Neutron excess, nuclear-fission, time evolution, cross-sections, dynamics, dissipation, emission, fusion, motion



Denna post skapades 2016-09-16.
CPL Pubid: 241897

 

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Institutioner (Chalmers)

Institutionen för fundamental fysik (2005-2015)

Ämnesområden

Fysik

Chalmers infrastruktur