Characteristics of Symmetric and Asymmetric Fission Modes as a Function of the Compound Nucleus Excitation in the Proton-Induced Fission of $^{233}$Pa, $^{239}$Np and $^{243}$Am
International audience Average preequilibrium $\langle M_n^{preeq}\rangle$ average statistical prescission $\langle M_n^{stpre}\rangle$ and postscission $\langle M_n^{post}\rangle$ neutron multiplicities as well as average gamma-ray multiplicity $\langle M_{gamma}\rangle$, average energy emitted by...
Published in: | AIP Conference Proceedings |
---|---|
Main Authors: | , , , , , , , , , , , , , , , , |
Other Authors: | , , |
Format: | Conference Object |
Language: | English |
Published: |
HAL CCSD
2006
|
Subjects: | |
Online Access: | http://hal.in2p3.fr/in2p3-00157009 https://doi.org/10.1063/1.2746613 |
id |
ftccsdartic:oai:HAL:in2p3-00157009v1 |
---|---|
record_format |
openpolar |
spelling |
ftccsdartic:oai:HAL:in2p3-00157009v1 2023-05-15T17:02:54+02:00 Characteristics of Symmetric and Asymmetric Fission Modes as a Function of the Compound Nucleus Excitation in the Proton-Induced Fission of $^{233}$Pa, $^{239}$Np and $^{243}$Am Beresova, M. Bogatchev, A.A. Dorvaux, O. Itkis, I.M. Itkis, M.G. Khlebnikov, S. Kliman, J. Kniajeva, G.N. Kondratiev, N.A. Kozulin, E.M. Krupa, L. Lyapin, V. Pokrovsky, I.V. Rubchenia, W. Stuttge, L. Trzaska, W. Vakhtin, D. Département Recherches Subatomiques (DRS-IPHC) Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS) Yu.E. Penionzhkevich, E.A. Cherepanov Khanty-Mansiysk, Russia 2006-07-17 http://hal.in2p3.fr/in2p3-00157009 https://doi.org/10.1063/1.2746613 en eng HAL CCSD American Institute of Physics info:eu-repo/semantics/altIdentifier/doi/10.1063/1.2746613 in2p3-00157009 http://hal.in2p3.fr/in2p3-00157009 doi:10.1063/1.2746613 International Symposium on Exotic Nuclei - EXON2006 International Symposium on Exotic Nuclei (EXON 2006) http://hal.in2p3.fr/in2p3-00157009 International Symposium on Exotic Nuclei (EXON 2006), Jul 2006, Khanty-Mansiysk, Russia. pp.362-372, ⟨10.1063/1.2746613⟩ fission proton-nucleus reactions nuclei with mass number 220 or higher protactinium neptunium americium 25.85.-w 25.40.-h [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex] info:eu-repo/semantics/conferenceObject Conference papers 2006 ftccsdartic https://doi.org/10.1063/1.2746613 2021-05-08T23:36:22Z International audience Average preequilibrium $\langle M_n^{preeq}\rangle$ average statistical prescission $\langle M_n^{stpre}\rangle$ and postscission $\langle M_n^{post}\rangle$ neutron multiplicities as well as average gamma-ray multiplicity $\langle M_{gamma}\rangle$, average energy emitted by gamma-rays $\langle E_{gamma}\rangle$ and average energy per one gamma quantum $\langle\varepsilon_{gamma}\rangle$ as a function of mass and total kinetic energy (TKE) of fission fragments were measured in the proton-induced reactions p+^{232}Th \to ^{233}Pa, p+^{238}U \to ^{239}Np and p+^{242}Pu \to ^{243}Am (at proton energy E_p=13, 20, 40 and 55 MeV). The fragment mass and energy distributions (MEDs) have been analyzed in terms of the multimodal fission. The decomposition of the experimental MEDs onto the MEDs of the distinct modes has been fulfilled in the framework of a method that is free from any parameterization of the distinct fission mode mass distribution shapes. The main characteristics for symmetric and asymmetric modes have been studied in their dependence on the compound nucleus composition and proton energy. The manifestation of multimodal fission in average gamma-ray multiplicities $\langle E_{gamma}\rangle$ of fission fragments was also studied in this work. Conference Object khanty Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) AIP Conference Proceedings 912 362 372 |
institution |
Open Polar |
collection |
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) |
op_collection_id |
ftccsdartic |
language |
English |
topic |
fission proton-nucleus reactions nuclei with mass number 220 or higher protactinium neptunium americium 25.85.-w 25.40.-h [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex] |
spellingShingle |
fission proton-nucleus reactions nuclei with mass number 220 or higher protactinium neptunium americium 25.85.-w 25.40.-h [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex] Beresova, M. Bogatchev, A.A. Dorvaux, O. Itkis, I.M. Itkis, M.G. Khlebnikov, S. Kliman, J. Kniajeva, G.N. Kondratiev, N.A. Kozulin, E.M. Krupa, L. Lyapin, V. Pokrovsky, I.V. Rubchenia, W. Stuttge, L. Trzaska, W. Vakhtin, D. Characteristics of Symmetric and Asymmetric Fission Modes as a Function of the Compound Nucleus Excitation in the Proton-Induced Fission of $^{233}$Pa, $^{239}$Np and $^{243}$Am |
topic_facet |
fission proton-nucleus reactions nuclei with mass number 220 or higher protactinium neptunium americium 25.85.-w 25.40.-h [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex] |
description |
International audience Average preequilibrium $\langle M_n^{preeq}\rangle$ average statistical prescission $\langle M_n^{stpre}\rangle$ and postscission $\langle M_n^{post}\rangle$ neutron multiplicities as well as average gamma-ray multiplicity $\langle M_{gamma}\rangle$, average energy emitted by gamma-rays $\langle E_{gamma}\rangle$ and average energy per one gamma quantum $\langle\varepsilon_{gamma}\rangle$ as a function of mass and total kinetic energy (TKE) of fission fragments were measured in the proton-induced reactions p+^{232}Th \to ^{233}Pa, p+^{238}U \to ^{239}Np and p+^{242}Pu \to ^{243}Am (at proton energy E_p=13, 20, 40 and 55 MeV). The fragment mass and energy distributions (MEDs) have been analyzed in terms of the multimodal fission. The decomposition of the experimental MEDs onto the MEDs of the distinct modes has been fulfilled in the framework of a method that is free from any parameterization of the distinct fission mode mass distribution shapes. The main characteristics for symmetric and asymmetric modes have been studied in their dependence on the compound nucleus composition and proton energy. The manifestation of multimodal fission in average gamma-ray multiplicities $\langle E_{gamma}\rangle$ of fission fragments was also studied in this work. |
author2 |
Département Recherches Subatomiques (DRS-IPHC) Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS) Yu.E. Penionzhkevich, E.A. Cherepanov |
format |
Conference Object |
author |
Beresova, M. Bogatchev, A.A. Dorvaux, O. Itkis, I.M. Itkis, M.G. Khlebnikov, S. Kliman, J. Kniajeva, G.N. Kondratiev, N.A. Kozulin, E.M. Krupa, L. Lyapin, V. Pokrovsky, I.V. Rubchenia, W. Stuttge, L. Trzaska, W. Vakhtin, D. |
author_facet |
Beresova, M. Bogatchev, A.A. Dorvaux, O. Itkis, I.M. Itkis, M.G. Khlebnikov, S. Kliman, J. Kniajeva, G.N. Kondratiev, N.A. Kozulin, E.M. Krupa, L. Lyapin, V. Pokrovsky, I.V. Rubchenia, W. Stuttge, L. Trzaska, W. Vakhtin, D. |
author_sort |
Beresova, M. |
title |
Characteristics of Symmetric and Asymmetric Fission Modes as a Function of the Compound Nucleus Excitation in the Proton-Induced Fission of $^{233}$Pa, $^{239}$Np and $^{243}$Am |
title_short |
Characteristics of Symmetric and Asymmetric Fission Modes as a Function of the Compound Nucleus Excitation in the Proton-Induced Fission of $^{233}$Pa, $^{239}$Np and $^{243}$Am |
title_full |
Characteristics of Symmetric and Asymmetric Fission Modes as a Function of the Compound Nucleus Excitation in the Proton-Induced Fission of $^{233}$Pa, $^{239}$Np and $^{243}$Am |
title_fullStr |
Characteristics of Symmetric and Asymmetric Fission Modes as a Function of the Compound Nucleus Excitation in the Proton-Induced Fission of $^{233}$Pa, $^{239}$Np and $^{243}$Am |
title_full_unstemmed |
Characteristics of Symmetric and Asymmetric Fission Modes as a Function of the Compound Nucleus Excitation in the Proton-Induced Fission of $^{233}$Pa, $^{239}$Np and $^{243}$Am |
title_sort |
characteristics of symmetric and asymmetric fission modes as a function of the compound nucleus excitation in the proton-induced fission of $^{233}$pa, $^{239}$np and $^{243}$am |
publisher |
HAL CCSD |
publishDate |
2006 |
url |
http://hal.in2p3.fr/in2p3-00157009 https://doi.org/10.1063/1.2746613 |
op_coverage |
Khanty-Mansiysk, Russia |
genre |
khanty |
genre_facet |
khanty |
op_source |
International Symposium on Exotic Nuclei - EXON2006 International Symposium on Exotic Nuclei (EXON 2006) http://hal.in2p3.fr/in2p3-00157009 International Symposium on Exotic Nuclei (EXON 2006), Jul 2006, Khanty-Mansiysk, Russia. pp.362-372, ⟨10.1063/1.2746613⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1063/1.2746613 in2p3-00157009 http://hal.in2p3.fr/in2p3-00157009 doi:10.1063/1.2746613 |
op_doi |
https://doi.org/10.1063/1.2746613 |
container_title |
AIP Conference Proceedings |
container_volume |
912 |
container_start_page |
362 |
op_container_end_page |
372 |
_version_ |
1766056604135849984 |