High-accuracy determination of theU238/U235fission cross section ratio up to≈1GeV at n_TOF at CERN

C. Paradela; Marco Calviani; Diego Tarrío; E. Leal-Cidoncha; L. S. Leong; L. Tassan-Got; C. Le Naour; I. Duran; N. Colonna; L. Audouin; M. Mastromarco; Sergio Lo Meo; A. Ventura; G. Aerts; S. Altstadt; H. Álvarez; F. Álvarez-Velarde; S. Andriamonje; J. Andrzejewski; G. Badurek; M. Barbagallo; P. Baumann; V. Bécares; František Bečvář; F. Belloni; B. Berthier; E. Berthoumieux; J. Billowes; V. Boccone; D. Bosnar; M. Brugger; Francisco Calvino; D. Cano-Ott; R. Capote; C. Carrapiço; P. Cennini; F. Cerutti; E. Chiaveri; M. Chin; Guillem Cortes; M. A. Cortés-Giraldo; Luigi Cosentino; A. Couture; J. Cox; S. David; M. Diakaki; Iris Dillmann; César Domingo-Pardo; R. Dressler; W. Dridi; C. Eleftheriadis; M. Embid-Segura; L. Ferrant; A. Ferrari; Paolo Finocchiaro; K. Fraval; K. Fujii; W. Furman; S. Ganesan; A. R. García; G. Giubrone; M. B. Gómez-Hornillos; I. F. Gonçalves; Enrique M. Gonzalez-Romero; A. Goverdovski; Fabiana Gramegna; E. Griesmayer; Carlos Guerrero; F. Gunsing; P. Gurusamy; R. Haight; M. Heil; S. Heinitz; M. Igashira; S. Isaev; D. G. Jenkins; Erwin Jericha; Y. Kadi; F. Käppeler; D. Karadimos; Dimitrios Karamanis; M. Kerveno; V. Ketlerov; N. Kivel; M. Kokkoris; V. Konovalov; Milan Krtička; Jiri Kroll; C. Lampoudis; C. Langer; C. Lederer; H. Leeb; Roberto Losito; M. Lozano; A. Manousos; J. Marganiec; T. Martínez; S. Marrone; Cristian Massimi; P. Mastinu; E. Mendoza; Alberto Mengoni; P. M. Milazzo; F. Mingrone; Mihail Mirea; W. Mondelaers; C. Moreau; M. Mosconi; A. Musumarra; S. O'Brien; J. Pancin; N. Patronis; Andreas Pavlik; P. Pavlopoulos; Jarosław Perkowski; L. Perrot; M. T. Pigni; R. Plag; A. Plompen; L. Plukis; A. Poch; Carme Pretel; J. Praena; J. Quesada; Thomas Rauscher; Rene Reifarth; Albert Riego; F. Roman; G. Rudolf; C. Rubbia; P. Rullhusen; J. Salgado; C. Santos; L. Sarchiapone; Raul Sarmento; A. Saxena; P. Schillebeeckx; S. Schmidt; D. Schumann; C. Stephan; G. Tagliente; Jose L. Tain; L. Tavora; R. Terlizzi; Andrea Tsinganis; S. Valenta; G. Vannini; V. Variale; Pedro Vaz; Roberto Versaci; M. J. Vermeulen; D. Villamarin; M. C. Vincente; V. Vlachoudis; R. Vlastou; F. Voss; Anton Wallner; S. Walter; T. Ware; M. Weigand; C. Weiß; M. Wiesher; K. Wisshak; T. Wright; P. Žugec; n_TOF Collaboration;C. Paradela;Marco Calviani;Diego Tarrío;E. Leal-Cidoncha;L. S. Leong;L. Tassan-Got;C. Le Naour;I. Duran;N. Colonna;L. Audouin;M. Mastromarco;Sergio Lo Meo;A. Ventura;G. Aerts;S. Altstadt;H. Álvarez;F. Álvarez-Velarde;S. Andriamonje;J. Andrzejewski;G. Badurek;M. Barbagallo;P. Baumann;V. Bécares;František Bečvář;F. Belloni;B. Berthier;E. Berthoumieux;J. Billowes;V. Boccone;D. Bosnar;M. Brugger;Francisco Calvino;D. Cano-Ott;R. Capote;C. Carrapiço;P. Cennini;F. Cerutti;E. Chiaveri;M. Chin;Guillem Cortes;M. A. Cortés-Giraldo;Luigi Cosentino;A. Couture;J. Cox;S. David;M. Diakaki;Iris Dillmann;César Domingo-Pardo;R. Dressler;W. Dridi;C. Eleftheriadis;M. Embid-Segura;L. Ferrant;A. Ferrari;Paolo Finocchiaro;K. Fraval;K. Fujii;W. Furman;S. Ganesan;A. R. García;G. Giubrone;M. B. Gómez-Hornillos;I. F. Gonçalves;Enrique M. Gonzalez-Romero;A. Goverdovski;Fabiana Gramegna;E. Griesmayer;Carlos Guerrero;F. Gunsing;P. Gurusamy;R. Haight;M. Heil;S. Heinitz;M. Igashira;S. Isaev;D. G. Jenkins;Erwin Jericha;Y. Kadi;F. Käppeler;D. Karadimos;Dimitrios Karamanis;M. Kerveno;V. Ketlerov;N. Kivel;M. Kokkoris;V. Konovalov;Milan Krtička;Jiri Kroll;C. Lampoudis;C. Langer;C. Lederer;H. Leeb;Roberto Losito;M. Lozano;A. Manousos;J. Marganiec;T. Martínez;S. Marrone;Cristian Massimi;P. Mastinu;E. Mendoza;Alberto Mengoni;P. M. Milazzo;F. Mingrone;Mihail Mirea;W. Mondelaers;C. Moreau;M. Mosconi;A. Musumarra;S. O'Brien;J. Pancin;N. Patronis;Andreas Pavlik;P. Pavlopoulos;Jarosław Perkowski;L. Perrot;M. T. Pigni;R. Plag;A. Plompen;L. Plukis;A. Poch;Carme Pretel;J. Praena;J. Quesada;Thomas Rauscher;Rene Reifarth;Albert Riego;F. Roman;G. Rudolf;C. Rubbia;P. Rullhusen;J. Salgado;C. Santos;L. Sarchiapone;Raul Sarmento;A. Saxena;P. Schillebeeckx;S. Schmidt;D. Schumann;C. Stephan;G. Tagliente;Jose L. Tain;L. Tavora;R. Terlizzi;Andrea Tsinganis;S. Valenta;G. Vannini;V. Variale;Pedro Vaz;Roberto Versaci;M. J. Vermeulen;D. Villamarin;M. C. Vincente;V. Vlachoudis;R. Vlastou;F. Voss;Anton Wallner;S. Walter;T. Ware;M. Weigand;C. Weiß;M. Wiesher;K. Wisshak;T. Wright;P. Žugec;n_TOF Collaboration;

doi:10.1103/physrevc.91.024602

High-accuracy determination of theU238/U235fission cross section ratio up to≈1GeV at n_TOF at CERN

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ID: 270836

2015

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Abstract

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The U238 to U235 fission cross section ratio has been determined at n_TOF up to ≈1 GeV, with two different detection systems, in different geometrical configurations. A total of four datasets has been collected and compared. They are all consistent to each other within the relative systematic uncertainty of 3–4%. The data collected at n_TOF have been suitably combined to yield a unique fission cross section ratio as a function of neutron energy. The result confirms current evaluations up to 200 MeV. Good agreement is also observed with theoretical calculations based on the INCL++/Gemini++ combination up to the highest measured energy. The n_TOF results may help solve a long-standing discrepancy between the two most important experimental datasets available so far above 20 MeV, while extending the neutron energy range for the first time up to ≈1 GeV.

Reference Key	collaboration2015physicalhigh-accuracy Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors	C. Paradela,Marco Calviani,Diego Tarrío,E. Leal-Cidoncha,L. S. Leong,L. Tassan-Got,C. Le Naour,I. Duran,N. Colonna,L. Audouin,M. Mastromarco,Sergio Lo Meo,A. Ventura,G. Aerts,S. Altstadt,H. Álvarez,F. Álvarez-Velarde,S. Andriamonje,J. Andrzejewski,G. Badurek,M. Barbagallo,P. Baumann,V. Bécares,František Bečvář,F. Belloni,B. Berthier,E. Berthoumieux,J. Billowes,V. Boccone,D. Bosnar,M. Brugger,Francisco Calvino,D. Cano-Ott,R. Capote,C. Carrapiço,P. Cennini,F. Cerutti,E. Chiaveri,M. Chin,Guillem Cortes,M. A. Cortés-Giraldo,Luigi Cosentino,A. Couture,J. Cox,S. David,M. Diakaki,Iris Dillmann,César Domingo-Pardo,R. Dressler,W. Dridi,C. Eleftheriadis,M. Embid-Segura,L. Ferrant,A. Ferrari,Paolo Finocchiaro,K. Fraval,K. Fujii,W. Furman,S. Ganesan,A. R. García,G. Giubrone,M. B. Gómez-Hornillos,I. F. Gonçalves,Enrique M. Gonzalez-Romero,A. Goverdovski,Fabiana Gramegna,E. Griesmayer,Carlos Guerrero,F. Gunsing,P. Gurusamy,R. Haight,M. Heil,S. Heinitz,M. Igashira,S. Isaev,D. G. Jenkins,Erwin Jericha,Y. Kadi,F. Käppeler,D. Karadimos,Dimitrios Karamanis,M. Kerveno,V. Ketlerov,N. Kivel,M. Kokkoris,V. Konovalov,Milan Krtička,Jiri Kroll,C. Lampoudis,C. Langer,C. Lederer,H. Leeb,Roberto Losito,M. Lozano,A. Manousos,J. Marganiec,T. Martínez,S. Marrone,Cristian Massimi,P. Mastinu,E. Mendoza,Alberto Mengoni,P. M. Milazzo,F. Mingrone,Mihail Mirea,W. Mondelaers,C. Moreau,M. Mosconi,A. Musumarra,S. O'Brien,J. Pancin,N. Patronis,Andreas Pavlik,P. Pavlopoulos,Jarosław Perkowski,L. Perrot,M. T. Pigni,R. Plag,A. Plompen,L. Plukis,A. Poch,Carme Pretel,J. Praena,J. Quesada,Thomas Rauscher,Rene Reifarth,Albert Riego,F. Roman,G. Rudolf,C. Rubbia,P. Rullhusen,J. Salgado,C. Santos,L. Sarchiapone,Raul Sarmento,A. Saxena,P. Schillebeeckx,S. Schmidt,D. Schumann,C. Stephan,G. Tagliente,Jose L. Tain,L. Tavora,R. Terlizzi,Andrea Tsinganis,S. Valenta,G. Vannini,V. Variale,Pedro Vaz,Roberto Versaci,M. J. Vermeulen,D. Villamarin,M. C. Vincente,V. Vlachoudis,R. Vlastou,F. Voss,Anton Wallner,S. Walter,T. Ware,M. Weigand,C. Weiß,M. Wiesher,K. Wisshak,T. Wright,P. Žugec,n_TOF Collaboration;C. Paradela;Marco Calviani;Diego Tarrío;E. Leal-Cidoncha;L. S. Leong;L. Tassan-Got;C. Le Naour;I. Duran;N. Colonna;L. Audouin;M. Mastromarco;Sergio Lo Meo;A. Ventura;G. Aerts;S. Altstadt;H. Álvarez;F. Álvarez-Velarde;S. Andriamonje;J. Andrzejewski;G. Badurek;M. Barbagallo;P. Baumann;V. Bécares;František Bečvář;F. Belloni;B. Berthier;E. Berthoumieux;J. Billowes;V. Boccone;D. Bosnar;M. Brugger;Francisco Calvino;D. Cano-Ott;R. Capote;C. Carrapiço;P. Cennini;F. Cerutti;E. Chiaveri;M. Chin;Guillem Cortes;M. A. Cortés-Giraldo;Luigi Cosentino;A. Couture;J. Cox;S. David;M. Diakaki;Iris Dillmann;César Domingo-Pardo;R. Dressler;W. Dridi;C. Eleftheriadis;M. Embid-Segura;L. Ferrant;A. Ferrari;Paolo Finocchiaro;K. Fraval;K. Fujii;W. Furman;S. Ganesan;A. R. García;G. Giubrone;M. B. Gómez-Hornillos;I. F. Gonçalves;Enrique M. Gonzalez-Romero;A. Goverdovski;Fabiana Gramegna;E. Griesmayer;Carlos Guerrero;F. Gunsing;P. Gurusamy;R. Haight;M. Heil;S. Heinitz;M. Igashira;S. Isaev;D. G. Jenkins;Erwin Jericha;Y. Kadi;F. Käppeler;D. Karadimos;Dimitrios Karamanis;M. Kerveno;V. Ketlerov;N. Kivel;M. Kokkoris;V. Konovalov;Milan Krtička;Jiri Kroll;C. Lampoudis;C. Langer;C. Lederer;H. Leeb;Roberto Losito;M. Lozano;A. Manousos;J. Marganiec;T. Martínez;S. Marrone;Cristian Massimi;P. Mastinu;E. Mendoza;Alberto Mengoni;P. M. Milazzo;F. Mingrone;Mihail Mirea;W. Mondelaers;C. Moreau;M. Mosconi;A. Musumarra;S. O'Brien;J. Pancin;N. Patronis;Andreas Pavlik;P. Pavlopoulos;Jarosław Perkowski;L. Perrot;M. T. Pigni;R. Plag;A. Plompen;L. Plukis;A. Poch;Carme Pretel;J. Praena;J. Quesada;Thomas Rauscher;Rene Reifarth;Albert Riego;F. Roman;G. Rudolf;C. Rubbia;P. Rullhusen;J. Salgado;C. Santos;L. Sarchiapone;Raul Sarmento;A. Saxena;P. Schillebeeckx;S. Schmidt;D. Schumann;C. Stephan;G. Tagliente;Jose L. Tain;L. Tavora;R. Terlizzi;Andrea Tsinganis;S. Valenta;G. Vannini;V. Variale;Pedro Vaz;Roberto Versaci;M. J. Vermeulen;D. Villamarin;M. C. Vincente;V. Vlachoudis;R. Vlastou;F. Voss;Anton Wallner;S. Walter;T. Ware;M. Weigand;C. Weiß;M. Wiesher;K. Wisshak;T. Wright;P. Žugec;n_TOF Collaboration;
Journal	physical review c
Year	2015
DOI	10.1103/physrevc.91.024602 Searching for DOI...
URL	https://sciprofiles.com/publication/view/7f9470268de2bc79903f593d51764ed0 https://doi.org/10.1103/physrevc.91.024602
Keywords	function gev mev n_tof neutron energy fission cross cross section ratio

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