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Neutron and gamma m...
Neutron and gamma multiplicities calculated in the consistent framework of the Hauser-Feshbach Monte Carlo code FIFRELIN
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- Piau, V. (författare)
- CEA, Cadarache, IRESNE, SPRC,LEPh,DES,DER, F-13108 St Paul Les Durance, France.
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- Litaize, O. (författare)
- CEA, Cadarache, IRESNE, SPRC,LEPh,DES,DER, F-13108 St Paul Les Durance, France.
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- Chebboubi, A. (författare)
- CEA, Cadarache, IRESNE, SPRC,LEPh,DES,DER, F-13108 St Paul Les Durance, France.
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- Oberstedt, S. (författare)
- European Commiss, Joint Res Ctr JRC, B-2440 Geel, Belgium.
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- Göök, Alf (författare)
- Uppsala universitet,Tillämpad kärnfysik
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- Oberstedt, A. (författare)
- Horia Hulubei Natl Inst Phys & Nucl Engn IFIN HH, Extreme Light Infrastruct Nucl Phys ELI NP, Bucharest 077125, Romania.
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CEA, Cadarache, IRESNE, SPRC,LEPh,DES,DER, F-13108 St Paul Les Durance, France European Commiss, Joint Res Ctr JRC, B-2440 Geel, Belgium. (creator_code:org_t)
- Elsevier, 2023
- 2023
- Engelska.
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Ingår i: Physics Letters B. - : Elsevier. - 0370-2693 .- 1873-2445. ; 837
- Relaterad länk:
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https://doi.org/10.1...
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https://uu.diva-port... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Monte-Carlo simulations to calculate the number of prompt particles emitted during fission were performed using the FIFRELIN code and compared to recent experimental data. We show that we are able to reproduce both the neutron and gamma-ray multiplicity distributions as a function of the pre-neutron mass of the fission fragments using a single consistent set of parameters. This result was made possible by using an energy-dependent spin cut-off model, driving the initial total angular momentum of the fission fragments, together with microscopic level densities from the HFB plus combinatorial method. We also discuss, how the initial excitation-energy sharing shapes the TKE-dependent gamma-ray multiplicity.(c) 2022 French Alternative Energies and Atomic Energy Commission (CEA). Published by Elsevier B.V.This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). Funded by SCOAP3.
Ämnesord
- NATURVETENSKAP -- Fysik -- Subatomär fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Subatomic Physics (hsv//eng)
Nyckelord
- Nuclear fission
- ?-ray multiplicity
- Monte Carlo
- Fragment de-excitation
- Nuclear level densities
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