Online monitoring of the Osiris reactor with the Nucifer neutrino detector

被引：69

作者：

Boireau, G. ^{[1
]}

Bouvet, L. ^{[1
]}

Collin, A. P. ^{[1
]}

Coulloux, G. ^{[1
]}

Cribier, M. ^{[1
]}

Deschamp, H. ^{[1
]}

Durand, V. ^{[1
]}

Fechner, M. ^{[1
]}

Fischer, V. ^{[1
]}

Gaffiot, J. ^{[1
]}

Castaing, N. Gerard ^{[1
]}

Granelli, R. ^{[1
]}

Kato, Y. ^{[1
]}

Lasserre, T. ^{[1
]}

Latron, L. ^{[1
]}

Legou, P. ^{[1
]}

Letourneau, A. ^{[1
]}

Lhuillier, D. ^{[1
]}

Mention, G. ^{[1
]}

Mueller, Th. A. ^{[1
]}

Nghiem, T-A. ^{[1
]}

Pedrol, N. ^{[1
]}

Pelzer, J. ^{[1
]}

Pequignot, M. ^{[1
]}

Piret, Y. ^{[1
]}

Prono, G. ^{[1
]}

Scola, L. ^{[1
]}

Starzinski, P. ^{[1
]}

Vivier, M. ^{[1
]}

Dumonteil, E. ^{[2
]}

Mancusi, D. ^{[2
]}

Varignon, C. ^{[3
]}

Buck, C. ^{[4
]}

Lindner, M. ^{[4
]}

Bazoma, J. ^{[5
]}

Bouvier, S. ^{[5
]}

Bui, V. M. ^{[5
]}

Communeau, V. ^{[5
]}

Cucoanes, A. ^{[5
]}

Fallot, M. ^{[5
]}

Gautier, M. ^{[5
]}

Giot, L. ^{[5
]}

Guilloux, G. ^{[5
]}

Lenoir, M. ^{[5
]}

Martino, J. ^{[5
]}

Mercier, G. ^{[5
]}

Milleto, T. ^{[5
]}

Peuvrel, N. ^{[5
]}

Porta, A. ^{[5
]}

Le Quere, N. ^{[5
]}

机构：

[1] Commissariat Energie Atom & Energies Alternat, Ctr Saclay, DSM, IRFU, F-91191 Gif Sur Yvette, France

[2] Commissariat Energie Atom & Energies Alternat, Ctr Saclay, DEN, F-91191 Gif Sur Yvette, France

[3] Commissariat Energie Atom & Energies Alternat, DAM, DIF, F-91297 Arpajon, France

[4] Max Planck Inst Kernphys, D-69029 Heidelberg, Germany

[5] Univ Nantes, Ecole Mines Nantes, CNRS, SUBATECH,IN2P3, F-44307 Nantes, France

来源：

PHYSICAL REVIEW D | 2016年 / 93卷 / 11期

关键词：

FISSION-PRODUCTS; CROSS-SECTION; OSCILLATIONS;

D O I：

10.1103/PhysRevD.93.112006

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Originally designed as a new nuclear reactor monitoring device, the Nucifer detector has successfully detected its first neutrinos. We provide the second-shortest baseline measurement of the reactor neutrino flux. The detection of electron antineutrinos emitted in the decay chains of the fission products, combined with reactor core simulations, provides a new tool to assess both the thermal power and the fissile content of the whole nuclear core and could be used by the International Agency for Atomic Energy to enhance the safeguards of civil nuclear reactors. Deployed at only 7.2 m away from the compact Osiris research reactor core (70 MW) operating at the Saclay research center of the French Alternative Energies and Atomic Energy Commission, the experiment also exhibits a well-suited configuration to search for a new short baseline oscillation. We report the first results of the Nucifer experiment, describing the performances of the similar to 0.85 m(3) detector remotely operating at a shallow depth equivalent to similar to 12 m of water and under intense background radiation conditions. Based on 145 (106) days of data with the reactor on (off), leading to the detection of an estimated 40760 (nu) over bar (e), the mean number of detected antineutrinos is 281 +/- 7(stat) +/- 18(syst)(nu) over bar (e)/day, in agreement with the prediction of 277 +/- 23 (nu) over bar (e)/day. Because of the large background, no conclusive results on the existence of light sterile neutrinos could be derived, however. As a first societal application we quantify how antineutrinos could be used for the Plutonium Management and Disposition Agreement.

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页数：17

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