Measurement of the U 238 (n,γ) cross section up to 80 keV with the Total Absorption Calorimeter at the CERN n-TOF facility

T. Wright; C. Guerrero; J. Billowes; D. Cano-Ott; E. Mendoza; S. Altstadt; J. Andrzejewski; L. Audouin; V. Bécares; M. Barbagallo; F. Bečvář; F. Belloni; E. Berthoumieux; D. Bosnar; M. Brugger; F. Calviño; M. Calviani; C. Carrapiço; F. Cerutti; E. Chiaveri; M. Chin; N. Colonna; G. Cortés; M. A. Cortés-Giraldo; M. Diakaki; M. Dietz; C. Domingo-Pardo; I. Durán; N. Dzysiuk; C. Eleftheriadis; A. Ferrari; K. Fraval; V. Furman; M. B. Gómez-Hornillos; S. Ganesan; A. R. García; G. Giubrone; I. F. Gonçalves; E. González-Romero; A. Goverdovski; E. Griesmayer; F. Gunsing; P. Gurusamy; T. Heftrich; A. Hernández-Prieto; D. G. Jenkins; E. Jericha; F. Käppeler; Y. Kadi; T. Rauscher; The n-TOF Collaboration

doi:10.1103/PhysRevC.96.064601

Measurement of the U 238 (n,γ) cross section up to 80 keV with the Total Absorption Calorimeter at the CERN n-TOF facility

T. Wright, C. Guerrero, J. Billowes, D. Cano-Ott, E. Mendoza, S. Altstadt, J. Andrzejewski, L. Audouin, V. Bécares, M. Barbagallo, F. Bečvář, F. Belloni, E. Berthoumieux, D. Bosnar, M. Brugger, F. Calviño, M. Calviani, C. Carrapiço, F. Cerutti, E. ChiaveriM. Chin, N. Colonna, G. Cortés, M. A. Cortés-Giraldo, M. Diakaki, M. Dietz, C. Domingo-Pardo, I. Durán, N. Dzysiuk, C. Eleftheriadis, A. Ferrari, K. Fraval, V. Furman, M. B. Gómez-Hornillos, S. Ganesan, A. R. García, G. Giubrone, I. F. Gonçalves, E. González-Romero, A. Goverdovski, E. Griesmayer, F. Gunsing, P. Gurusamy, T. Heftrich, A. Hernández-Prieto, D. G. Jenkins, E. Jericha, F. Käppeler, Y. Kadi, T. Rauscher, The n-TOF Collaboration

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Abstract

The radiative capture cross section of a highly pure (99.999%), 6.125(2) grams and 9.56(5)×10-4 atoms/barn areal density U238 sample has been measured with the Total Absorption Calorimeter (TAC) in the 185 m flight path at the CERN neutron time-of-flight facility n-TOF. This measurement is in response to the NEA High Priority Request list, which demands an accuracy in this cross section of less than 3% below 25 keV. These data have undergone careful background subtraction, with special care being given to the background originating from neutrons scattered by the U238 sample. Pileup and dead-time effects have been corrected for. The measured cross section covers an energy range between 0.2 eV and 80 keV, with an accuracy that varies with neutron energy, being better than 4% below 25 keV and reaching at most 6% at higher energies.

Original language	English
Article number	064601
Journal	Physical Review C (nuclear physics)
Volume	96
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevC.96.064601
Publication status	Published - 1 Dec 2017

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Wright, T., Guerrero, C., Billowes, J., Cano-Ott, D., Mendoza, E., Altstadt, S., Andrzejewski, J., Audouin, L., Bécares, V., Barbagallo, M., Bečvář, F., Belloni, F., Berthoumieux, E., Bosnar, D., Brugger, M., Calviño, F., Calviani, M., Carrapiço, C., Cerutti, F., ... The n-TOF Collaboration (2017). Measurement of the U 238 (n,γ) cross section up to 80 keV with the Total Absorption Calorimeter at the CERN n-TOF facility. Physical Review C (nuclear physics), 96(6), Article 064601. https://doi.org/10.1103/PhysRevC.96.064601

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title = "Measurement of the U 238 (n,γ) cross section up to 80 keV with the Total Absorption Calorimeter at the CERN n-TOF facility",

abstract = "The radiative capture cross section of a highly pure (99.999%), 6.125(2) grams and 9.56(5)×10-4 atoms/barn areal density U238 sample has been measured with the Total Absorption Calorimeter (TAC) in the 185 m flight path at the CERN neutron time-of-flight facility n-TOF. This measurement is in response to the NEA High Priority Request list, which demands an accuracy in this cross section of less than 3% below 25 keV. These data have undergone careful background subtraction, with special care being given to the background originating from neutrons scattered by the U238 sample. Pileup and dead-time effects have been corrected for. The measured cross section covers an energy range between 0.2 eV and 80 keV, with an accuracy that varies with neutron energy, being better than 4% below 25 keV and reaching at most 6% at higher energies.",

author = "T. Wright and C. Guerrero and J. Billowes and D. Cano-Ott and E. Mendoza and S. Altstadt and J. Andrzejewski and L. Audouin and V. B{\'e}cares and M. Barbagallo and F. Be{\v c}v{\'a}{\v r} and F. Belloni and E. Berthoumieux and D. Bosnar and M. Brugger and F. Calvi{\~n}o and M. Calviani and C. Carrapi{\c c}o and F. Cerutti and E. Chiaveri and M. Chin and N. Colonna and G. Cort{\'e}s and Cort{\'e}s-Giraldo, {M. A.} and M. Diakaki and M. Dietz and C. Domingo-Pardo and I. Dur{\'a}n and N. Dzysiuk and C. Eleftheriadis and A. Ferrari and K. Fraval and V. Furman and G{\'o}mez-Hornillos, {M. B.} and S. Ganesan and Garc{\'i}a, {A. R.} and G. Giubrone and Gon{\c c}alves, {I. F.} and E. Gonz{\'a}lez-Romero and A. Goverdovski and E. Griesmayer and F. Gunsing and P. Gurusamy and T. Heftrich and A. Hern{\'a}ndez-Prieto and Jenkins, {D. G.} and E. Jericha and F. K{\"a}ppeler and Y. Kadi and T. Rauscher and {The n-TOF Collaboration}",

year = "2017",

month = dec,

day = "1",

doi = "10.1103/PhysRevC.96.064601",

language = "English",

volume = "96",

journal = "Physical Review C (nuclear physics)",

issn = "2469-9985",

publisher = "American Physical Society (APS)",

number = "6",

}

Wright, T, Guerrero, C, Billowes, J, Cano-Ott, D, Mendoza, E, Altstadt, S, Andrzejewski, J, Audouin, L, Bécares, V, Barbagallo, M, Bečvář, F, Belloni, F, Berthoumieux, E, Bosnar, D, Brugger, M, Calviño, F, Calviani, M, Carrapiço, C, Cerutti, F, Chiaveri, E, Chin, M, Colonna, N, Cortés, G, Cortés-Giraldo, MA, Diakaki, M, Dietz, M, Domingo-Pardo, C, Durán, I, Dzysiuk, N, Eleftheriadis, C, Ferrari, A, Fraval, K, Furman, V, Gómez-Hornillos, MB, Ganesan, S, García, AR, Giubrone, G, Gonçalves, IF, González-Romero, E, Goverdovski, A, Griesmayer, E, Gunsing, F, Gurusamy, P, Heftrich, T, Hernández-Prieto, A, Jenkins, DG, Jericha, E, Käppeler, F, Kadi, Y, Rauscher, T & The n-TOF Collaboration 2017, 'Measurement of the U 238 (n,γ) cross section up to 80 keV with the Total Absorption Calorimeter at the CERN n-TOF facility', Physical Review C (nuclear physics), vol. 96, no. 6, 064601. https://doi.org/10.1103/PhysRevC.96.064601

TY - JOUR

T1 - Measurement of the U 238 (n,γ) cross section up to 80 keV with the Total Absorption Calorimeter at the CERN n-TOF facility

AU - Wright, T.

AU - Guerrero, C.

AU - Billowes, J.

AU - Cano-Ott, D.

AU - Mendoza, E.

AU - Altstadt, S.

AU - Andrzejewski, J.

AU - Audouin, L.

AU - Bécares, V.

AU - Barbagallo, M.

AU - Bečvář, F.

AU - Belloni, F.

AU - Berthoumieux, E.

AU - Bosnar, D.

AU - Brugger, M.

AU - Calviño, F.

AU - Calviani, M.

AU - Carrapiço, C.

AU - Cerutti, F.

AU - Chiaveri, E.

AU - Chin, M.

AU - Colonna, N.

AU - Cortés, G.

AU - Cortés-Giraldo, M. A.

AU - Diakaki, M.

AU - Dietz, M.

AU - Domingo-Pardo, C.

AU - Durán, I.

AU - Dzysiuk, N.

AU - Eleftheriadis, C.

AU - Ferrari, A.

AU - Fraval, K.

AU - Furman, V.

AU - Gómez-Hornillos, M. B.

AU - Ganesan, S.

AU - García, A. R.

AU - Giubrone, G.

AU - Gonçalves, I. F.

AU - González-Romero, E.

AU - Goverdovski, A.

AU - Griesmayer, E.

AU - Gunsing, F.

AU - Gurusamy, P.

AU - Heftrich, T.

AU - Hernández-Prieto, A.

AU - Jenkins, D. G.

AU - Jericha, E.

AU - Käppeler, F.

AU - Kadi, Y.

AU - Rauscher, T.

AU - The n-TOF Collaboration

PY - 2017/12/1

Y1 - 2017/12/1

N2 - The radiative capture cross section of a highly pure (99.999%), 6.125(2) grams and 9.56(5)×10-4 atoms/barn areal density U238 sample has been measured with the Total Absorption Calorimeter (TAC) in the 185 m flight path at the CERN neutron time-of-flight facility n-TOF. This measurement is in response to the NEA High Priority Request list, which demands an accuracy in this cross section of less than 3% below 25 keV. These data have undergone careful background subtraction, with special care being given to the background originating from neutrons scattered by the U238 sample. Pileup and dead-time effects have been corrected for. The measured cross section covers an energy range between 0.2 eV and 80 keV, with an accuracy that varies with neutron energy, being better than 4% below 25 keV and reaching at most 6% at higher energies.

AB - The radiative capture cross section of a highly pure (99.999%), 6.125(2) grams and 9.56(5)×10-4 atoms/barn areal density U238 sample has been measured with the Total Absorption Calorimeter (TAC) in the 185 m flight path at the CERN neutron time-of-flight facility n-TOF. This measurement is in response to the NEA High Priority Request list, which demands an accuracy in this cross section of less than 3% below 25 keV. These data have undergone careful background subtraction, with special care being given to the background originating from neutrons scattered by the U238 sample. Pileup and dead-time effects have been corrected for. The measured cross section covers an energy range between 0.2 eV and 80 keV, with an accuracy that varies with neutron energy, being better than 4% below 25 keV and reaching at most 6% at higher energies.

UR - http://www.scopus.com/inward/record.url?scp=85038425947&partnerID=8YFLogxK

U2 - 10.1103/PhysRevC.96.064601

DO - 10.1103/PhysRevC.96.064601

M3 - Article

AN - SCOPUS:85038425947

SN - 2469-9985

VL - 96

JO - Physical Review C (nuclear physics)

JF - Physical Review C (nuclear physics)

IS - 6

M1 - 064601

ER -

Measurement of the U 238 (n,γ) cross section up to 80 keV with the Total Absorption Calorimeter at the CERN n-TOF facility

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