Record link: 
http://hdl.handle.net/20.500.12708/209251
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Title: 
Measurement of the prompt fission γ-rays from slow neutron-induced fission of ²³⁵U with STEFF
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Citation: 
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., … n_TOF Collaboration. (2024). Measurement of the prompt fission γ-rays from slow neutron-induced fission of 235U with STEFF. EUROPEAN PHYSICAL JOURNAL A, 60(3), Article 70. https://doi.org/10.1140/epja/s10050-024-01277-8
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Publisher DOI: 
10.1140/epja/s10050-024-01277-8
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Publication Type: 
Article - Original Research Article
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Language: 
English
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Authors: 
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, Michael 
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, Y. H. 
Chiaveri, E. 
Colonna, N. 
Cortés, G. 
Cortés-Giraldo, M. A. 
Cosentino,L. 
Damone, L. A. 
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, A. R. 
Gawlik-Ramięga, A. 
Gilardoni, S. 
Glodariu, T. 
Gonçalves, I. F. 
González-Romero, E. 
Griesmayer, Erich 
Guerrero, C. 
Gunsing, F. 
Harada, H. 
Heinitz, S. 
Heyse, J. 
Jenkins, D. G. 
Jericha, Erwin 
Käppeler, F. 
Kadi, Y. 
Kalamara, A. 
Kavrigin, Pavel 
Kimura, A. 
Kivel, N. 
Kokkoris, M. 
Krtička, M. 
Kurtulgil, D. 
Leal-Cidoncha, E. 
Lederer-Woods, C. 
Leeb, Helmut 
Lerendegui-Marco, J. 
Meo, S. Lo 
Lonsdale, S. J. 
Macina, D. 
Manna, A. 
Marganiec, J. 
Martínez, T. 
Masi, A. 
Massimi, C. 
Mastinu, P. 
Mastromarco, M. 
Maugeri, E. A. 
Mazzone, A. 
Mendoza, E. 
Mengoni, A. 
Milazzo, P. M. 
Mingrone, F. 
Musumarra, A. 
Negret, A. 
Nolte, R. 
Oprea, A. 
Patronis, N. 
Pavlik, A. 
Perkowski, J. 
Porras, I. 
Praena, J. 
Quesada, J. M. 
Radeck, D. 
Weiß, Christina 
Žugec, P. 
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Author Collaboration: 
n_TOF Collaboration
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Organisational Unit: 
E141-04 - Forschungsbereich Neutron- and Quantum Physics 
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Journal: 
EUROPEAN PHYSICAL JOURNAL A 
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ISSN: 
1434-6001
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Date (published): 
Mar-2024
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Publisher: 
SPRINGER
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Peer reviewed: 
Yes
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Keywords: 
fission of 235U
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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.
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Research Areas: 
Quantum Metrology and Precision Measurements: 100%
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Science Branch: 
1030 - Physik, Astronomie: 100%
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