Dissipative effects in fission investigated in complete kinematics measurements
Paper i proceeding, 2017
The study of dissipative effects in fission has been carried out with fusion-fission reactions by using a limited number of observables, such as the fission probabilities, the mass distribution of the fission fragments, or the neutron multiplicities. However, the large angular momenta gained by the compound nucleus in this kind of reaction could affect the conclusions drawn from such experiments. In this work, we propose to investigate the fission dynamics by the use of spallation reactions on 208Pb because the fissioning systems are produced with low angular momentum, small deformations, and high excitation energies, enhancing the dissipative effects. The complete kinematics measurements of the fission fragments and light-charged particles were performed by the use of the SOFIA setup combined with the inverse kinematics technique, allowing us for the first time a full indentification in atomic and mass number of the two fission fragments. These measurements permit us to define new fission observables for the investigation of the temperature and deformation dependencies of the dissipation parameter.
Författare
J. L. Rodriguez-Sanchez
Universidade de Santiagode Compostela
J. Benlliure
Universidade de Santiagode Compostela
J. Taieb
Le Commissariat à l’Énergie Atomique et aux Énergies Alternatives (CEA)
D. Ramos
Universidade de Santiagode Compostela
H. Alvarez-Pol
Universidade de Santiagode Compostela
L. Audouin
Institut de Physique Nucleaire Orsay
Y. Ayyad
Universidade de Santiagode Compostela
G. Belier
Le Commissariat à l’Énergie Atomique et aux Énergies Alternatives (CEA)
G. Boutoux
Le Commissariat à l’Énergie Atomique et aux Énergies Alternatives (CEA)
E. Casarejos
Universidad de Vigo
A. Chatillon
Le Commissariat à l’Énergie Atomique et aux Énergies Alternatives (CEA)
D. Cortina-Gil
Universidade de Santiagode Compostela
T. Gorbinet
Le Commissariat à l’Énergie Atomique et aux Énergies Alternatives (CEA)
Andreas Martin Heinz
Chalmers, Fysik, Subatomär fysik och plasmafysik
A. Kelic-Heil
Helmholtz
B. Laurent
Le Commissariat à l’Énergie Atomique et aux Énergies Alternatives (CEA)
J. F. Martin
Le Commissariat à l’Énergie Atomique et aux Énergies Alternatives (CEA)
C. Paradela
Universidade de Santiagode Compostela
E. Pellereau
Le Commissariat à l’Énergie Atomique et aux Énergies Alternatives (CEA)
B. Pietras
Universidade de Santiagode Compostela
C. Rodriguez-Tajes
Grand Accélérateur National d'Ions Lourds (GANIL)
D. Rossi
Helmholtz
H. Simon
Helmholtz
J. Vargas
Universidade de Santiagode Compostela
B. Voss
Helmholtz
EPJ Web of Conferences
21016275 (ISSN) 2100014X (eISSN)
Vol. 146 04053978-275989020-0 (ISBN)
Ämneskategorier
Fysik
DOI
10.1051/epjconf/201714604053
ISBN
978-275989020-0