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Radiative neutron capture on Pu 242 in the resonance region at the CERN n-TOF-EAR1 facility

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Radiative neutron capture on Pu 242 in the resonance region at the CERN n-TOF-EAR1 facility. / Lerendegui-Marco, J.; Guerrero, C.; Mendoza, E.; Quesada, J. M.; Eberhardt, K.; Junghans, A. R.; Krtička, M.; Aberle, O.; Andrzejewski, J.; Audouin, L.; Bécares, V.; Bacak, M.; Balibrea-Correa, J.; Barbagallo, M.; Barros, S.; Bečvář, F.; Beinrucker, C.; Berthoumieux, E.; Billowes, J.; Bosnar, D.; Brugger, M.; Caamaño, M.; Calviño, F.; Calviani, M.; Cano-Ott, D.; Cardella, R.; Casanovas, A.; Castelluccio, D. M.; Cerutti, F.; Chen, Y. H.; Chiaveri, E.; Colonna, N.; Cortés, G.; Cortés-Giraldo, M. A.; Cosentino, L.; Damone, L. A.; Diakaki, M.; Dietz, M.; Domingo-Pardo, C.; Dressler, R.; Dupont, E.; Durán, I.; Fernández-Domínguez, B.; Ferrari, A C ; Ferreira, Paulo R.; Finocchiaro, P.; Furman, V.; Göbel, K.; Jenkins, D. G.; Wright, T.; n-TOF Collaboration.

In: Physical Review C, Vol. 97, No. 2, 024605, 06.02.2018.

Research output: Contribution to journalArticle

Harvard

Lerendegui-Marco, J, Guerrero, C, Mendoza, E, Quesada, JM, Eberhardt, K, Junghans, AR, Krtička, M, Aberle, O, Andrzejewski, J, Audouin, L, Bécares, V, Bacak, M, Balibrea-Correa, J, Barbagallo, M, Barros, S, Bečvář, F, Beinrucker, C, Berthoumieux, E, Billowes, J, Bosnar, D, Brugger, M, Caamaño, M, Calviño, F, Calviani, M, Cano-Ott, D, Cardella, R, Casanovas, A, Castelluccio, DM, Cerutti, F, Chen, YH, Chiaveri, E, Colonna, N, Cortés, G, Cortés-Giraldo, MA, Cosentino, L, Damone, LA, Diakaki, M, Dietz, M, Domingo-Pardo, C, Dressler, R, Dupont, E, Durán, I, Fernández-Domínguez, B, Ferrari, AC, Ferreira, PR, Finocchiaro, P, Furman, V, Göbel, K, Jenkins, DG, Wright, T & n-TOF Collaboration 2018, 'Radiative neutron capture on Pu 242 in the resonance region at the CERN n-TOF-EAR1 facility', Physical Review C, vol. 97, no. 2, 024605. https://doi.org/10.1103/PhysRevC.97.024605

APA

Lerendegui-Marco, J., Guerrero, C., Mendoza, E., Quesada, J. M., Eberhardt, K., Junghans, A. R., ... n-TOF Collaboration (2018). Radiative neutron capture on Pu 242 in the resonance region at the CERN n-TOF-EAR1 facility. Physical Review C, 97(2), [024605]. https://doi.org/10.1103/PhysRevC.97.024605

Vancouver

Lerendegui-Marco J, Guerrero C, Mendoza E, Quesada JM, Eberhardt K, Junghans AR et al. Radiative neutron capture on Pu 242 in the resonance region at the CERN n-TOF-EAR1 facility. Physical Review C. 2018 Feb 6;97(2). 024605. https://doi.org/10.1103/PhysRevC.97.024605

Author

Lerendegui-Marco, J. ; Guerrero, C. ; Mendoza, E. ; Quesada, J. M. ; Eberhardt, K. ; Junghans, A. R. ; Krtička, M. ; Aberle, O. ; Andrzejewski, J. ; Audouin, L. ; Bécares, V. ; Bacak, M. ; Balibrea-Correa, J. ; Barbagallo, M. ; Barros, S. ; Bečvář, F. ; Beinrucker, C. ; Berthoumieux, E. ; Billowes, J. ; Bosnar, D. ; Brugger, M. ; Caamaño, M. ; Calviño, F. ; Calviani, M. ; Cano-Ott, D. ; Cardella, R. ; Casanovas, A. ; Castelluccio, D. M. ; Cerutti, F. ; Chen, Y. H. ; Chiaveri, E. ; Colonna, N. ; Cortés, G. ; Cortés-Giraldo, M. A. ; Cosentino, L. ; Damone, L. A. ; Diakaki, M. ; Dietz, M. ; Domingo-Pardo, C. ; Dressler, R. ; Dupont, E. ; Durán, I. ; Fernández-Domínguez, B. ; Ferrari, A C ; Ferreira, Paulo R. ; Finocchiaro, P. ; Furman, V. ; Göbel, K. ; Jenkins, D. G. ; Wright, T. ; n-TOF Collaboration. / Radiative neutron capture on Pu 242 in the resonance region at the CERN n-TOF-EAR1 facility. In: Physical Review C. 2018 ; Vol. 97, No. 2.

Bibtex - Download

@article{5aa64c565da04f1b9312b95a6868ab8a,
title = "Radiative neutron capture on Pu 242 in the resonance region at the CERN n-TOF-EAR1 facility",
abstract = "The spent fuel of current nuclear reactors contains fissile plutonium isotopes that can be combined with uranium to make mixed oxide (MOX) fuel. In this way the Pu from spent fuel is used in a new reactor cycle, contributing to the long-term sustainability of nuclear energy. However, an extensive use of MOX fuels, in particular in fast reactors, requires more accurate capture and fission cross sections for some Pu isotopes. In the case of Pu242 there are sizable discrepancies among the existing capture cross-section measurements included in the evaluations (all from the 1970s) resulting in an uncertainty as high as 35{\%} in the fast energy region. Moreover, postirradiation experiments evaluated with JEFF-3.1 indicate an overestimation of 14{\%} in the capture cross section in the fast neutron energy region. In this context, the Nuclear Energy Agency (NEA) requested an accuracy of 8{\%} in this cross section in the energy region between 500 meV and 500 keV. This paper presents a new time-of-flight capture measurement on Pu242 carried out at n-TOF-EAR1 (CERN), focusing on the analysis and statistical properties of the resonance region, below 4 keV. The Pu242(n,γ) reaction on a sample containing 95(4) mg enriched to 99.959{\%} was measured with an array of four C6D6 detectors and applying the total energy detection technique. The high neutron energy resolution of n-TOF-EAR1 and the good statistics accumulated have allowed us to extend the resonance analysis up to 4 keV, obtaining new individual and average resonance parameters from a capture cross section featuring a systematic uncertainty of 5{\%}, fulfilling the request of the NEA.",
author = "J. Lerendegui-Marco and C. Guerrero and E. Mendoza and Quesada, {J. M.} and K. Eberhardt and Junghans, {A. R.} and M. Krtička and O. Aberle and J. Andrzejewski and L. Audouin and V. B{\'e}cares and M. Bacak and J. Balibrea-Correa and M. Barbagallo and S. Barros and F. Bečv{\'a}ř and C. Beinrucker and E. Berthoumieux and J. Billowes and D. Bosnar and M. Brugger and M. Caama{\~n}o and F. Calvi{\~n}o and M. Calviani and D. Cano-Ott and R. Cardella and A. Casanovas and Castelluccio, {D. M.} and F. Cerutti and Chen, {Y. H.} and E. Chiaveri and N. Colonna and G. Cort{\'e}s and Cort{\'e}s-Giraldo, {M. A.} and L. Cosentino and Damone, {L. A.} and M. Diakaki and M. Dietz and C. Domingo-Pardo and R. Dressler and E. Dupont and I. Dur{\'a}n and B. Fern{\'a}ndez-Dom{\'i}nguez and Ferrari, {A C} and Ferreira, {Paulo R.} and P. Finocchiaro and V. Furman and K. G{\"o}bel and Jenkins, {D. G.} and T. Wright and {n-TOF Collaboration}",
year = "2018",
month = "2",
day = "6",
doi = "10.1103/PhysRevC.97.024605",
language = "English",
volume = "97",
journal = "Physical Review C - Nuclear Physics",
issn = "0556-2813",
publisher = "American Physical Society",
number = "2",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Radiative neutron capture on Pu 242 in the resonance region at the CERN n-TOF-EAR1 facility

AU - Lerendegui-Marco, J.

AU - Guerrero, C.

AU - Mendoza, E.

AU - Quesada, J. M.

AU - Eberhardt, K.

AU - Junghans, A. R.

AU - Krtička, M.

AU - Aberle, O.

AU - Andrzejewski, J.

AU - Audouin, L.

AU - Bécares, V.

AU - Bacak, M.

AU - Balibrea-Correa, J.

AU - Barbagallo, M.

AU - Barros, S.

AU - Bečvář, F.

AU - Beinrucker, C.

AU - Berthoumieux, E.

AU - Billowes, J.

AU - Bosnar, D.

AU - Brugger, M.

AU - Caamaño, M.

AU - Calviño, F.

AU - Calviani, M.

AU - Cano-Ott, D.

AU - Cardella, R.

AU - Casanovas, A.

AU - Castelluccio, D. M.

AU - Cerutti, F.

AU - Chen, Y. H.

AU - Chiaveri, E.

AU - Colonna, N.

AU - Cortés, G.

AU - Cortés-Giraldo, M. A.

AU - Cosentino, L.

AU - Damone, L. A.

AU - Diakaki, M.

AU - Dietz, M.

AU - Domingo-Pardo, C.

AU - Dressler, R.

AU - Dupont, E.

AU - Durán, I.

AU - Fernández-Domínguez, B.

AU - Ferrari, A C

AU - Ferreira, Paulo R.

AU - Finocchiaro, P.

AU - Furman, V.

AU - Göbel, K.

AU - Jenkins, D. G.

AU - Wright, T.

AU - n-TOF Collaboration

PY - 2018/2/6

Y1 - 2018/2/6

N2 - The spent fuel of current nuclear reactors contains fissile plutonium isotopes that can be combined with uranium to make mixed oxide (MOX) fuel. In this way the Pu from spent fuel is used in a new reactor cycle, contributing to the long-term sustainability of nuclear energy. However, an extensive use of MOX fuels, in particular in fast reactors, requires more accurate capture and fission cross sections for some Pu isotopes. In the case of Pu242 there are sizable discrepancies among the existing capture cross-section measurements included in the evaluations (all from the 1970s) resulting in an uncertainty as high as 35% in the fast energy region. Moreover, postirradiation experiments evaluated with JEFF-3.1 indicate an overestimation of 14% in the capture cross section in the fast neutron energy region. In this context, the Nuclear Energy Agency (NEA) requested an accuracy of 8% in this cross section in the energy region between 500 meV and 500 keV. This paper presents a new time-of-flight capture measurement on Pu242 carried out at n-TOF-EAR1 (CERN), focusing on the analysis and statistical properties of the resonance region, below 4 keV. The Pu242(n,γ) reaction on a sample containing 95(4) mg enriched to 99.959% was measured with an array of four C6D6 detectors and applying the total energy detection technique. The high neutron energy resolution of n-TOF-EAR1 and the good statistics accumulated have allowed us to extend the resonance analysis up to 4 keV, obtaining new individual and average resonance parameters from a capture cross section featuring a systematic uncertainty of 5%, fulfilling the request of the NEA.

AB - The spent fuel of current nuclear reactors contains fissile plutonium isotopes that can be combined with uranium to make mixed oxide (MOX) fuel. In this way the Pu from spent fuel is used in a new reactor cycle, contributing to the long-term sustainability of nuclear energy. However, an extensive use of MOX fuels, in particular in fast reactors, requires more accurate capture and fission cross sections for some Pu isotopes. In the case of Pu242 there are sizable discrepancies among the existing capture cross-section measurements included in the evaluations (all from the 1970s) resulting in an uncertainty as high as 35% in the fast energy region. Moreover, postirradiation experiments evaluated with JEFF-3.1 indicate an overestimation of 14% in the capture cross section in the fast neutron energy region. In this context, the Nuclear Energy Agency (NEA) requested an accuracy of 8% in this cross section in the energy region between 500 meV and 500 keV. This paper presents a new time-of-flight capture measurement on Pu242 carried out at n-TOF-EAR1 (CERN), focusing on the analysis and statistical properties of the resonance region, below 4 keV. The Pu242(n,γ) reaction on a sample containing 95(4) mg enriched to 99.959% was measured with an array of four C6D6 detectors and applying the total energy detection technique. The high neutron energy resolution of n-TOF-EAR1 and the good statistics accumulated have allowed us to extend the resonance analysis up to 4 keV, obtaining new individual and average resonance parameters from a capture cross section featuring a systematic uncertainty of 5%, fulfilling the request of the NEA.

UR - http://www.scopus.com/inward/record.url?scp=85042110197&partnerID=8YFLogxK

U2 - 10.1103/PhysRevC.97.024605

DO - 10.1103/PhysRevC.97.024605

M3 - Article

VL - 97

JO - Physical Review C - Nuclear Physics

JF - Physical Review C - Nuclear Physics

SN - 0556-2813

IS - 2

M1 - 024605

ER -