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Nuclear Experiment

arXiv:1512.06334 (nucl-ex)
[Submitted on 20 Dec 2015 (v1), last revised 23 Jul 2016 (this version, v3)]

Title:Study of the 238U(d,p) surrogate reaction via the simultaneous measurement of gamma-decay and fission probabilities

Authors:Q. Ducasse, B. Jurado, M. Aïche, P. Marini, L. Mathieu, A. Görgen, M. Guttormsen, A. C. Larsen, T. Tornyi, J. N. Wilson, G. Barreau, G. Boutoux, S. Czajkowski, F. Giacoppo, F. Gunsing, T.W. Hagen, M. Lebois, J. Lei, V. Méot, B. Morillon, A. Moro, T. Renstrøm, O. Roig, S. J. Rose, O. Sérot, S. Siem, I. Tsekhanovich, G. M. Tveten, M. Wiedeking
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Abstract:We investigated the 238U(d,p) reaction as a surrogate for the n + 238U reaction. For this purpose we measured for the first time the gamma-decay and fission probabilities of 239U* simultaneously and compared them to the corresponding neutron-induced data. We present the details of the procedure to infer the decay probabilities, as well as a thorough uncertainty analysis, including parameter correlations. Calculations based on the continuum-discretized coupled-channels and distorted-wave Born approximations were used to correct our data from detected protons originating from elastic and inelastic deuteron breakup. In the region where the fission and gamma-decay probabilities compete, the corrected fission probability is in agreement with neutron-induced data, whereas the gamma-decay probability is much higher than the neutron-induced data. The performed statistical-model calculations are not able to explain these results.
Comments: Includes modifications due to referee remarks
Subjects: Nuclear Experiment (nucl-ex)
Cite as: arXiv:1512.06334 [nucl-ex]
  (or arXiv:1512.06334v3 [nucl-ex] for this version)
  https://doi.org/10.48550/arXiv.1512.06334
Journal reference: Phys. Rev. C. 94, 024614 (2016)
Related DOI: https://doi.org/10.1103/PhysRevC.94.024614

Submission history

From: Beatriz Jurado [view email]
[v1] Sun, 20 Dec 2015 08:52:48 UTC (713 KB)
[v2] Wed, 8 Jun 2016 03:59:48 UTC (715 KB)
[v3] Sat, 23 Jul 2016 21:12:44 UTC (626 KB)
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