First results of the 241Am(n,f) cross section measurement at the Experimental Area 2 of the n_TOF facility at CERN

被引：1

作者：

Eleme, Z. ^{[1
]}

Patronis, N. ^{[1
]}

Stamatopoulos, A. ^{[2
]}

Tsinganis, A. ^{[3
]}

Kokkoris, M. ^{[2
]}

Michalopoulou, V ^{[2
,3
]}

Diakaki, M. ^{[2
,4
]}

Vlastou, R. ^{[2
]}

Tassan-Got, L. ^{[2
,3
,5
]}

Colonna, N. ^{[6
]}

Heyse, J. ^{[7
]}

Barbagallo, M. ^{[3
,6
]}

Mastromarco, M. ^{[3
,8
]}

Macina, D. ^{[3
]}

Chiaveri, E. ^{[3
,8
,9
]}

Aberle, O. ^{[3
]}

Alcayne, V ^{[10
]}

Amaducci, S. ^{[11
,12
]}

Andrzejewski, J. ^{[13
]}

Audouin, L. ^{[5
]}

Babiano-Suarez, V ^{[14
]}

Bacak, M. ^{[3
,15
,16
]}

Bennett, S. ^{[8
]}

Berthoumieux, E. ^{[16
]}

Bosnar, D. ^{[17
]}

Brown, A. S. ^{[18
]}

Busso, M. ^{[19
,20
]}

Caamano, M. ^{[21
]}

Caballero, L. ^{[14
]}

Calviani, M. ^{[3
]}

Calvino, F. ^{[22
]}

Cano-Ott, D. ^{[10
]}

Casanovas, A. ^{[22
]}

Cerutti, F. ^{[3
]}

Cortes, G. P. ^{[22
]}

Cortes-Giraldo, M. A. ^{[9
]}

Cosentino, L. ^{[11
]}

Cristallo, S. ^{[19
,23
]}

Damone, L. A. ^{[6
,24
]}

Davies, P. J. ^{[8
]}

Dietz, M. ^{[25
]}

Domingo-Pardo, C. ^{[14
]}

Dressler, R. ^{[26
]}

Ducasse, Q. ^{[27
]}

Dupont, E. ^{[16
]}

Duran, I ^{[21
]}

Fernandez-Domingez, B. ^{[21
]}

Ferrari, A. ^{[3
]}

Ferro-Goncalves, I ^{[28
]}

Finocchiaro, P. ^{[11
]}

机构：

[1] Univ Ioannina, Dept Phys, Ioannina, Greece

[2] Natl Tech Univ Athens, Dept Phys, Athens, Greece

[3] European Org Nucl Res CERN, Meyrin, Switzerland

[4] CEA, DER SPRC LEPh, Cadarache, DEN, F-13108 St Paul Les Durance, France

[5] Univ Paris Saclay, Univ Paris Sud, IPN, CNRS IN2P3, F-91406 Orsay, France

[6] Ist Nazl Fis Nucl, Bari, Italy

[7] European Commiss, Joint Res Ctr, Retieseweg 111, B-2440 Geel, Belgium

[8] Univ Manchester, Manchester, Lancs, England

[9] Univ Seville, Seville, Spain

[10] Ctr Invest Energet Medioambientales & Tecnol CIEM, Madrid, Spain

[11] Ist Nazl Fis Nucl, Lab Nazl Sud, Catania, Italy

[12] Univ Catania, Dipartimento Fis & Astron, Catania, Italy

[13] Univ Lodz, Lodz, Poland

[14] Univ Valencia, Inst Fis Corpuscular, CSIC, Valencia, Spain

[15] Tech Univ Wien, Vienna, Austria

[16] Univ Paris Saclay, Irfu, CEA Saclay, Gif Sur Yvette, France

[17] Univ Zagreb, Fac Sci, Dept Phys, Zagreb, Croatia

[18] Univ York, York, N Yorkshire, England

[19] Ist Nazl Fis Nazl, Perugia, Italy

[20] Univ Perugia, Dipartimento Fis & Geol, Perugia, Italy

[21] Univ Santiago Compostela, Santiago, Spain

[22] Univ Politecn Cataluna, Barcelona, Spain

[23] Ist Nazl Astrofis, Osservatorio Astron Abruzzo, Rome, Italy

[24] Univ Bari, Dipartimento Fis, Bari, Italy

[25] Univ Edinburgh, Sch Phys & Astron, Edinburgh, Midlothian, Scotland

[26] Paul Scherrer Inst PSI, Villigen, Switzerland

[27] Physikal Tech Bundesanstalt PTB, Bundesallee 100, D-38116 Braunschweig, Germany

[28] Lnstituto Super Tecn, Lisbon, Portugal

[29] Joint Inst Nucl Res JINR, Dubna, Russia

[30] Goethe Univ Frankfurt, Frankfurt, Germany

[31] He1mholtz Zentrum Dresden Rossendorf, Dresden, Germany

[32] Karlsruhe Inst Technol, IKP, Campus North, D-76021 Karlsruhe, Germany

[33] Japan Atom Energy Agcy JAEA, Tokai, Ibaraki, Japan

[34] Charles Univ Prague, Prague, Czech Republic

[35] Ist Nazl Fis Nucl, Sez Bologna, Bologna, Italy

[36] Univ Bologna, Dipartimento Fis & Astron, Bologna, Italy

[37] Ist Nazl Fis Nucl, Sez Legnaro, Legnaro, Italy

[38] CNR, Bari, Italy

[39] Agenzia Nazl Nuove Tecnol Energia & Sviluppo Econ, Bologna, Italy

[40] Ist Nazl Fis Nazl, Trieste, Italy

[41] Horia Hulubei Natl Inst Phys & Nucl Engn IFIN HH, Bucharest, Romania

[42] Univ Granada, Granada, Spain

[43] Univ Vienna, Fac Phys, Vienna, Austria

[44] Bhabha Atom Res Ctr BARC, Mumbai, Maharashtra, India

[45] Gran Sasso Sci Inst GSSI, Laquila, Italy

[46] Australian Natl Univ, Canberra, ACT, Australia

来源：

ND 2019: INTERNATIONAL CONFERENCE ON NUCLEAR DATA FOR SCIENCE AND TECHNOLOGY | 2020年 / 239卷

基金：

欧盟第七框架计划;

关键词：

D O I：

10.1051/epjconf/202023905014

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

Feasibility, design and sensitivity studies on innovative nuclear reactors that could address the issue of nuclear waste transmutation using fuels enriched in minor actinides, require high accuracy cross section data for a variety of neutron-induced reactions from thermal energies to several tens of MeV. The isotope Am-241 (T-1/2= 433 years) is present in high-level nuclear waste (HLW), representing about 1.8 % of the actinide mass in spent PWR UOx fuel. Its importance increases with cooling time due to additional production from the beta-decay of Pu-241 with a half-life of 14.3 years. The production rate of 241Am in conventional reactors, including its further accumulation through the decay of Pu-241 and its destruction through transmutation/incineration are very important parameters for the design of any recycling solution. In the present work, the Am-241(n,f) reaction cross-section was measured using Micromegas detectors at the Experimental Area 2 of the n_TOF facility at CERN. For the measurement, the U-235(n,f) and U-238(n,f) reference reactions were used for the determination of the neutron flux. In the present work an overview of the experimental setup and the adopted data analysis techniques is given along with preliminary results.

引用

页数：5

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