Measurement of the prompt fission γ -rays from slow neutron-induced fission of 235 U with STEFF

T. Wright; A. G. Smith; N. V. Sosnin; S. A. Bennett; P. J. Davies; A. V. Popescu; J. A. Ryan; A. Sekhar; S. Warren; O. Aberle; S. Amaducci; J. Andrzejewski; L. Audouin; M. Bacak; J. Balibrea; M. Barbagallo; F. Bečvář; E. Berthoumieux; J. Billowes; D. Bosnar; A. Brown; M. Caamaño; F. Calviño; M. Calviani; D. Cano-Ott; R. Cardella; A. Casanovas; F. Cerutti; Y. H. Chen; E. Chiaveri; N. Colonna; G. Cortés; M. A. Cortés-Giraldo; L. Cosentino; L. A. Damone; M. Diakaki; C. Domingo-Pardo; R. Dressler; E. Dupont; I. Durán; B. Fernández-Domínguez; A. Ferrari; P. Ferreira; P. Finocchiaro; V. Furman; K. Göbel; A. R. García; A. Gawlik-Ramięga; S. Gilardoni; T. Glodariu; I. F. Gonçalves; E. González-Romero; E. Griesmayer; C. Guerrero; F. Gunsing; H. Harada; S. Heinitz; J. Heyse; D. G. Jenkins; E. Jericha; F. Käppeler; Y. Kadi; A. Kalamara; P. Kavrigin; A. Kimura; N. Kivel; M. Kokkoris; M. Krtička; D. Kurtulgil; E. Leal-Cidoncha; C. Lederer-Woods; H. Leeb; J. Lerendegui-Marco; S. Lo Meo; S. J. Lonsdale; D. Macina; A. Manna; J. Marganiec; T. Martínez; A. Masi; C. Massimi; P. Mastinu; M. Mastromarco; E. A. Maugeri; A. Mazzone; E. Mendoza; A. Mengoni; P. M. Milazzo; F. Mingrone; A. Musumarra; A. Negret; R. Nolte; A. Oprea; N. Patronis; A. Pavlik; J. Perkowski; I. Porras; J. Praena; J. M. Quesada; D. Radeck; T. Rauscher; R. Reifarth; C. Rubbia; M. Sabaté-Gilarte; A. Saxena; P. Schillebeeckx; D. Schumann; P. Sedyshev; A. Stamatopoulos; G. Tagliente; J. L. Tain; A. Tarifeño-Saldivia; L. Tassan-Got; S. Valenta; G. Vannini; V. Variale; P. Vaz; A. Ventura; V. Vlachoudis; R. Vlastou; A. Wallner; C. Weiss; P. J. Woods; P. Žugec; n_TOF Collaboration The n_TOF Collaboration

doi:10.1140/epja/s10050-024-01277-8

Measurement of the prompt fission γ -rays from slow neutron-induced fission of 235 U with STEFF

T. Wright, A. G. Smith, N. V. Sosnin, S. A. Bennett, P. J. Davies, A. V. Popescu, J. A. Ryan, A. Sekhar, S. Warren, O. Aberle, S. Amaducci, J. Andrzejewski, L. Audouin, M. Bacak, J. Balibrea, M. Barbagallo, F. Bečvář, E. Berthoumieux, J. Billowes, D. BosnarA. Brown, M. Caamaño, F. Calviño, M. Calviani, D. Cano-Ott, R. Cardella, A. Casanovas, F. Cerutti, Y. H. Chen, E. Chiaveri, N. Colonna, G. Cortés, M. A. Cortés-Giraldo, L. Cosentino, L. A. Damone, M. Diakaki, C. Domingo-Pardo, R. Dressler, E. Dupont, I. Durán, B. Fernández-Domínguez, A. Ferrari, P. Ferreira, P. Finocchiaro, V. Furman, K. Göbel, A. R. García, A. Gawlik-Ramięga, S. Gilardoni, T. Glodariu, I. F. Gonçalves, E. González-Romero, E. Griesmayer, C. Guerrero, F. Gunsing, H. Harada, S. Heinitz, J. Heyse, D. G. Jenkins, E. Jericha, F. Käppeler, Y. Kadi, A. Kalamara, P. Kavrigin, A. Kimura, N. Kivel, M. Kokkoris, M. Krtička, D. Kurtulgil, E. Leal-Cidoncha, C. Lederer-Woods, H. Leeb, J. Lerendegui-Marco, S. Lo Meo, S. J. Lonsdale, D. Macina, A. Manna, J. Marganiec, T. Martínez, A. Masi, C. Massimi, P. Mastinu, M. Mastromarco, E. A. Maugeri, A. Mazzone, E. Mendoza, A. Mengoni, P. M. Milazzo, F. Mingrone, A. Musumarra, A. Negret, R. Nolte, A. Oprea, N. Patronis, A. Pavlik, J. Perkowski, I. Porras, J. Praena, J. M. Quesada, D. Radeck, T. Rauscher, R. Reifarth, C. Rubbia, M. Sabaté-Gilarte, A. Saxena, P. Schillebeeckx, D. Schumann, P. Sedyshev, A. Stamatopoulos, G. Tagliente, J. L. Tain, A. Tarifeño-Saldivia, L. Tassan-Got, S. Valenta, G. Vannini, V. Variale, P. Vaz, A. Ventura, V. Vlachoudis, R. Vlastou, A. Wallner, C. Weiss, P. J. Woods, P. Žugec, n_TOF Collaboration The n_TOF Collaboration

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Abstract

The average energy and multiplicity of prompt γ-rays from slow neutron-induced fission of 235U have been measured using the STEFF spectrometer at the neutron time-of-flight facility n_TOF. The individual responses from 11 NaI scintillators were corrected for multiple γ-ray interactions, prompt fission neutrons and background counts before being deconvolved to estimate the emitted spectrum of prompt fission γ-rays. The results give an average γ-ray energy E¯γ of 1.71(5) MeV and multiplicity ν¯γ of 2.66(18) considering γ-rays emitted within the energy range 0.8–6.8 MeV. The n_TOF data has a slightly larger E¯γ and smaller ν¯γ than other recent measurements, however the product of the two is in agreement within quoted uncertainties.

Original language	English
Article number	70
Pages (from-to)	1-11
Number of pages	11
Journal	European Physical Journal A: Hadrons and Nuclei
Volume	60
Issue number	3
Early online date	19 Mar 2024
DOIs	https://doi.org/10.1140/epja/s10050-024-01277-8
Publication status	Published - Mar 2024

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10.1140/epja/s10050-024-01277-8Licence: CC BY

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© 2024 The Author(s). This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY), https://creativecommons.org/licenses/by/4.0/
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Wright, T., Smith, A. G., Sosnin, N. V., Bennett, S. A., Davies, P. J., Popescu, A. V., Ryan, J. A., Sekhar, A., Warren, S., Aberle, O., Amaducci, S., Andrzejewski, J., Audouin, L., Bacak, M., Balibrea, J., Barbagallo, M., Bečvář, F., Berthoumieux, E., Billowes, J., ... The n_TOF Collaboration, NTOF. C. (2024). Measurement of the prompt fission γ -rays from slow neutron-induced fission of 235 U with STEFF. European Physical Journal A: Hadrons and Nuclei, 60(3), 1-11. Article 70. https://doi.org/10.1140/epja/s10050-024-01277-8

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title = "Measurement of the prompt fission γ -rays from slow neutron-induced fission of 235 U with STEFF",

abstract = "The average energy and multiplicity of prompt γ-rays from slow neutron-induced fission of 235U have been measured using the STEFF spectrometer at the neutron time-of-flight facility n_TOF. The individual responses from 11 NaI scintillators were corrected for multiple γ-ray interactions, prompt fission neutrons and background counts before being deconvolved to estimate the emitted spectrum of prompt fission γ-rays. The results give an average γ-ray energy E¯γ of 1.71(5) MeV and multiplicity ν¯γ of 2.66(18) considering γ-rays emitted within the energy range 0.8–6.8 MeV. The n_TOF data has a slightly larger E¯γ and smaller ν¯γ than other recent measurements, however the product of the two is in agreement within quoted uncertainties.",

author = "T. Wright and Smith, {A. G.} and Sosnin, {N. V.} and Bennett, {S. A.} and Davies, {P. J.} and Popescu, {A. V.} and Ryan, {J. A.} and A. Sekhar and S. Warren and O. Aberle and S. Amaducci and J. Andrzejewski and L. Audouin and M. Bacak and J. Balibrea and M. Barbagallo and F. Be{\v c}v{\'a}{\v r} and E. Berthoumieux and J. Billowes and D. Bosnar and A. Brown and M. Caama{\~n}o and F. Calvi{\~n}o and M. Calviani and D. Cano-Ott and R. Cardella and A. Casanovas 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 C. Domingo-Pardo and R. Dressler and E. Dupont and I. Dur{\'a}n and B. Fern{\'a}ndez-Dom{\'i}nguez and A. Ferrari and P. Ferreira and P. Finocchiaro and V. Furman and K. G{\"o}bel and Garc{\'i}a, {A. R.} and A. Gawlik-Rami{\c e}ga and S. Gilardoni and T. Glodariu and Gon{\c c}alves, {I. F.} and E. Gonz{\'a}lez-Romero and E. Griesmayer and C. Guerrero and F. Gunsing and H. Harada and S. Heinitz and J. Heyse and Jenkins, {D. G.} and E. Jericha and F. K{\"a}ppeler and Y. Kadi and A. Kalamara and P. Kavrigin and A. Kimura and N. Kivel and M. Kokkoris and M. Krti{\v c}ka and D. Kurtulgil and E. Leal-Cidoncha and C. Lederer-Woods and H. Leeb and J. Lerendegui-Marco and Meo, {S. Lo} and Lonsdale, {S. J.} and D. Macina and A. Manna and J. Marganiec and T. Mart{\'i}nez and A. Masi and C. Massimi and P. Mastinu and M. Mastromarco and Maugeri, {E. A.} and A. Mazzone and E. Mendoza and A. Mengoni and Milazzo, {P. M.} and F. Mingrone and A. Musumarra and A. Negret and R. Nolte and A. Oprea and N. Patronis and A. Pavlik and J. Perkowski and I. Porras and J. Praena and Quesada, {J. M.} and D. Radeck and T. Rauscher and R. Reifarth and C. Rubbia and M. Sabat{\'e}-Gilarte and A. Saxena and P. Schillebeeckx and D. Schumann and P. Sedyshev and A. Stamatopoulos and G. Tagliente and Tain, {J. L.} and A. Tarife{\~n}o-Saldivia and L. Tassan-Got and S. Valenta and G. Vannini and V. Variale and P. Vaz and A. Ventura and V. Vlachoudis and R. Vlastou and A. Wallner and C. Weiss and Woods, {P. J.} and P. {\v Z}ugec and {The n_TOF Collaboration}, {n_TOF Collaboration}",

note = "{\textcopyright} 2024 The Author(s). This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY), https://creativecommons.org/licenses/by/4.0/",

year = "2024",

month = mar,

doi = "10.1140/epja/s10050-024-01277-8",

language = "English",

volume = "60",

pages = "1--11",

journal = "European Physical Journal A: Hadrons and Nuclei",

issn = "1434-6001",

publisher = "Springer Nature Link",

number = "3",

}

Wright, T, Smith, AG, Sosnin, NV, Bennett, SA, Davies, PJ, Popescu, AV, Ryan, JA, Sekhar, A, Warren, S, Aberle, O, Amaducci, S, Andrzejewski, J, Audouin, L, Bacak, M, Balibrea, J, Barbagallo, M, Bečvář, F, Berthoumieux, E, Billowes, J, Bosnar, D, Brown, A, Caamaño, M, Calviño, F, Calviani, M, Cano-Ott, D, Cardella, R, Casanovas, A, Cerutti, F, Chen, YH, Chiaveri, E, Colonna, N, Cortés, G, Cortés-Giraldo, MA, Cosentino, L, Damone, LA, Diakaki, M, Domingo-Pardo, C, Dressler, R, Dupont, E, Durán, I, Fernández-Domínguez, B, Ferrari, A, Ferreira, P, Finocchiaro, P, Furman, V, Göbel, K, García, AR, Gawlik-Ramięga, A, Gilardoni, S, Glodariu, T, Gonçalves, IF, González-Romero, E, Griesmayer, E, Guerrero, C, Gunsing, F, Harada, H, Heinitz, S, Heyse, J, Jenkins, DG, Jericha, E, Käppeler, F, Kadi, Y, Kalamara, A, Kavrigin, P, Kimura, A, Kivel, N, Kokkoris, M, Krtička, M, Kurtulgil, D, Leal-Cidoncha, E, Lederer-Woods, C, Leeb, H, Lerendegui-Marco, J, Meo, SL, Lonsdale, SJ, Macina, D, Manna, A, Marganiec, J, Martínez, T, Masi, A, Massimi, C, Mastinu, P, Mastromarco, M, Maugeri, EA, Mazzone, A, Mendoza, E, Mengoni, A, Milazzo, PM, Mingrone, F, Musumarra, A, Negret, A, Nolte, R, Oprea, A, Patronis, N, Pavlik, A, Perkowski, J, Porras, I, Praena, J, Quesada, JM, Radeck, D, Rauscher, T, Reifarth, R, Rubbia, C, Sabaté-Gilarte, M, Saxena, A, Schillebeeckx, P, Schumann, D, Sedyshev, P, Stamatopoulos, A, Tagliente, G, Tain, JL, Tarifeño-Saldivia, A, Tassan-Got, L, Valenta, S, Vannini, G, Variale, V, Vaz, P, Ventura, A, Vlachoudis, V, Vlastou, R, Wallner, A, Weiss, C, Woods, PJ, Žugec, P & The n_TOF Collaboration, NTOFC 2024, 'Measurement of the prompt fission γ -rays from slow neutron-induced fission of 235 U with STEFF', European Physical Journal A: Hadrons and Nuclei, vol. 60, no. 3, 70, pp. 1-11. https://doi.org/10.1140/epja/s10050-024-01277-8

TY - JOUR

T1 - Measurement of the prompt fission γ -rays from slow neutron-induced fission of 235 U with STEFF

AU - Wright, T.

AU - Smith, A. G.

AU - Sosnin, N. V.

AU - Bennett, S. A.

AU - Davies, P. J.

AU - Popescu, A. V.

AU - Ryan, J. A.

AU - Sekhar, A.

AU - Warren, S.

AU - Aberle, O.

AU - Amaducci, S.

AU - Andrzejewski, J.

AU - Audouin, L.

AU - Bacak, M.

AU - Balibrea, J.

AU - Barbagallo, M.

AU - Bečvář, F.

AU - Berthoumieux, E.

AU - Billowes, J.

AU - Bosnar, D.

AU - Brown, A.

AU - Caamaño, M.

AU - Calviño, F.

AU - Calviani, M.

AU - Cano-Ott, D.

AU - Cardella, R.

AU - Casanovas, A.

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 - Domingo-Pardo, C.

AU - Dressler, R.

AU - Dupont, E.

AU - Durán, I.

AU - Fernández-Domínguez, B.

AU - Ferrari, A.

AU - Ferreira, P.

AU - Finocchiaro, P.

AU - Furman, V.

AU - Göbel, K.

AU - García, A. R.

AU - Gawlik-Ramięga, A.

AU - Gilardoni, S.

AU - Glodariu, T.

AU - Gonçalves, I. F.

AU - González-Romero, E.

AU - Griesmayer, E.

AU - Guerrero, C.

AU - Gunsing, F.

AU - Harada, H.

AU - Heinitz, S.

AU - Heyse, J.

AU - Jenkins, D. G.

AU - Jericha, E.

AU - Käppeler, F.

AU - Kadi, Y.

AU - Kalamara, A.

AU - Kavrigin, P.

AU - Kimura, A.

AU - Kivel, N.

AU - Kokkoris, M.

AU - Krtička, M.

AU - Kurtulgil, D.

AU - Leal-Cidoncha, E.

AU - Lederer-Woods, C.

AU - Leeb, H.

AU - Lerendegui-Marco, J.

AU - Meo, S. Lo

AU - Lonsdale, S. J.

AU - Macina, D.

AU - Manna, A.

AU - Marganiec, J.

AU - Martínez, T.

AU - Masi, A.

AU - Massimi, C.

AU - Mastinu, P.

AU - Mastromarco, M.

AU - Maugeri, E. A.

AU - Mazzone, A.

AU - Mendoza, E.

AU - Mengoni, A.

AU - Milazzo, P. M.

AU - Mingrone, F.

AU - Musumarra, A.

AU - Negret, A.

AU - Nolte, R.

AU - Oprea, A.

AU - Patronis, N.

AU - Pavlik, A.

AU - Perkowski, J.

AU - Porras, I.

AU - Praena, J.

AU - Quesada, J. M.

AU - Radeck, D.

AU - Rauscher, T.

AU - Reifarth, R.

AU - Rubbia, C.

AU - Sabaté-Gilarte, M.

AU - Saxena, A.

AU - Schillebeeckx, P.

AU - Schumann, D.

AU - Sedyshev, P.

AU - Stamatopoulos, A.

AU - Tagliente, G.

AU - Tain, J. L.

AU - Tarifeño-Saldivia, A.

AU - Tassan-Got, L.

AU - Valenta, S.

AU - Vannini, G.

AU - Variale, V.

AU - Vaz, P.

AU - Ventura, A.

AU - Vlachoudis, V.

AU - Vlastou, R.

AU - Wallner, A.

AU - Weiss, C.

AU - Woods, P. J.

AU - Žugec, P.

AU - The n_TOF Collaboration, n_TOF Collaboration

PY - 2024/3

Y1 - 2024/3

N2 - The average energy and multiplicity of prompt γ-rays from slow neutron-induced fission of 235U have been measured using the STEFF spectrometer at the neutron time-of-flight facility n_TOF. The individual responses from 11 NaI scintillators were corrected for multiple γ-ray interactions, prompt fission neutrons and background counts before being deconvolved to estimate the emitted spectrum of prompt fission γ-rays. The results give an average γ-ray energy E¯γ of 1.71(5) MeV and multiplicity ν¯γ of 2.66(18) considering γ-rays emitted within the energy range 0.8–6.8 MeV. The n_TOF data has a slightly larger E¯γ and smaller ν¯γ than other recent measurements, however the product of the two is in agreement within quoted uncertainties.

AB - The average energy and multiplicity of prompt γ-rays from slow neutron-induced fission of 235U have been measured using the STEFF spectrometer at the neutron time-of-flight facility n_TOF. The individual responses from 11 NaI scintillators were corrected for multiple γ-ray interactions, prompt fission neutrons and background counts before being deconvolved to estimate the emitted spectrum of prompt fission γ-rays. The results give an average γ-ray energy E¯γ of 1.71(5) MeV and multiplicity ν¯γ of 2.66(18) considering γ-rays emitted within the energy range 0.8–6.8 MeV. The n_TOF data has a slightly larger E¯γ and smaller ν¯γ than other recent measurements, however the product of the two is in agreement within quoted uncertainties.

UR - http://www.scopus.com/inward/record.url?scp=85188121685&partnerID=8YFLogxK

U2 - 10.1140/epja/s10050-024-01277-8

DO - 10.1140/epja/s10050-024-01277-8

M3 - Article

SN - 1434-6001

VL - 60

SP - 1

EP - 11

JO - European Physical Journal A: Hadrons and Nuclei

JF - European Physical Journal A: Hadrons and Nuclei

IS - 3

M1 - 70

ER -

Measurement of the prompt fission γ -rays from slow neutron-induced fission of 235 U with STEFF

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