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2 results on '"C. Golabek"'

1. Isotopic resolution of fission fragments from [sup 238]U+[sup 12]C transfer and fusion reactions

Author

M. Caamaño, F. Rejmund, X. Derkx, K.-H. Schmidt, L. Andouin, C.-O. Bacri, G. Barreau, J. Benlliure, E. Casarejos, B. Fernández-Domínguez, L. Gaudefroy, C. Golabek, B. Jurado, A. Lemasson, A. Navin, M. Rejmund, T. Roger, A. Shrivastava, C. Schmitt, J. Taieb, Audrey Chatillon, Herbert Faust, Gabriele Fioni, Dominique Goutte, and Héloise Goutte

Subjects
Nuclear physics, Cold fission, Cluster decay, Chemistry, Fission, Nuclear Theory, Transactinide element, Nuclear fusion, Fission product yield, Atomic number, Nuclear Experiment, Kinetic energy
Abstract

Recent results from an experiment at GANIL, performed to investigate the main prop- erties of fission-fragment yields and energy distributions in different fissioning nuclei as a function of the excitation energy, in a neutron-rich region of actini des, are presented. Transfer reactions in inverse kinematics between a 238 U beam and a 12 C target produced different actinides, within a range of excitation energy below 30 MeV. These fissioning nuc lei are identified by detecting the target-like recoil, and their kinetic and excitation energ y are determined from the reconstruction of the transfer reaction. The large-acceptance spectrometer VAMOS was used to identify the mass, atomic number and charge state of the fission fragments in flig ht. As a result, the characteristics of the fission-fragment isotopic distributions of a variety of neutron-rich actinides are observed for the first time over the complete range of fission fragments.

Published
2009

2. Search for a long lived component in the reaction U+U near the Coulomb barrier

Author

A. C. C. Villari, C. Golabek, W. Mittig, S. Heinz, S. Bhattacharyya, D. Boilley, R. Dayras, G. De France, A. Drouart, L. Gaudefroy, L. Giot, A. Marchix, V. Maslov, M. Morjean, G. Mukherjee, A. Navin, Yu. Penionzkevich, F. Rejmund, M. Rejmund, P. Roussel-Chomaz, C. Stodel, M. Winkler, Grand Accélérateur National d'Ions Lourds (GANIL), Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Helmholtz zentrum für Schwerionenforschung GmbH (GSI), Université de Caen Normandie (UNICAEN), Normandie Université (NU), Département d'Astrophysique, de physique des Particules, de physique Nucléaire et de l'Instrumentation Associée (DAPNIA), Commissariat à l'énergie atomique et aux énergies alternatives (CEA), Laboratoire SUBATECH Nantes (SUBATECH), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université de Nantes (UN)-Mines Nantes (Mines Nantes), Arnould M., Lewitowicz M., Emling H., Akimune H., Ohta M., Utsunomiya H., Wada T., Yamagata T., VAMOS, Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), and Mines Nantes (Mines Nantes)-Université de Nantes (UN)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)

Subjects
Excitation function, 25.85.-w, 25.90+k, Spectrometer, 010308 nuclear & particles physics, Fission, Component (thermodynamics), Chemistry, Coulomb barrier, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], Collision, 01 natural sciences, 7. Clean energy, Nuclear physics, giant system, Cardinal point, 0103 physical sciences, fission, Atomic physics, Nuclear Experiment, 010306 general physics
Abstract

Expérience GANIL; International audience; We performed an experiment to search for a signature of a long living component in the collision of $^{238}$U + $^{238}$U between 6.09 and 7.35A MeV. The experiment was performed at GANIL using the spectrometer VAMOS, tuned for observing reactions with kinematics similar to fusion-fission events. Theoretical calculations indicate that if a long living component would exist for this reaction, the most probable fission channel of such a giant system would be via the emissionof quasi-lead nuclei. We detected events of such a category in the focal plane of VAMOS. These events present an excitation function growing as a function of the bombarding energy.

Published
2007

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