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High accuracy determination of the $^{238}$U/$^{235}$U fission cross section ratio up to $\sim$1 GeV at n_TOF (CERN)
The $^{238}$U to $^{235}$U fission cross section ratio has been determined at n_TOF up to $\sim$1 GeV, with two different detection systems, in different geometrical configurations. A total of four datasets have been collected and compared. They are all consistent to each other within the relative s...
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| Lenguaje: | eng |
| Publicado: |
2014
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1103/PhysRevC.91.024602 http://cds.cern.ch/record/1958125 |
| _version_ | 1780944538694582272 |
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| author | Paradela, C. Calviani, M. D.Tarr, i Leal-Cidoncha, E. Leong, L.S. Tassan-Got, L. Le Naour, C. Duran, I. Colonna, N. Audouin, L. Mastromarco, M. Lo Meo, S. Ventura, A. Altstadt, S. Andrzejewski, J. Barbagallo, M. Becares, V. Becvar, F. Belloni, F. Berthoumieux, E. Billowes, J. Boccone, V. Bosnar, D. Brugger, M. Calvino, F. Cano-Ott, D. Carrapico, C. Cerutti, F. Chiaveri, E. Chin, M. Cortes, G. Cortes-Giraldo, M.A. Cosentino, L. Diakaki, M. Domingo-Pardo, C. Dressler, R. Eleftheriadis, C. Ferrari, A. Finocchiaro, P. Fraval, K. Ganesan, S. i, A.R.Garc Giubrone, G. Gomez-Hornillos, M.B. Goncalves, I.F. Gonzalez-Romero, E. Griesmayer, E. Guerrero, C. Gunsing, F. Gurusamy, P. Heinitz, S. Jenkins, D.G. Jericha, E. Kappeler, F. Karadimos, D. Kivel, N. Kokkoris, M. Krticka, M. Kroll, J. Langer, C. Lederer, C. Leeb, H. Losito, R. Manousos, A. Marganiec, J. Martinez, T. Massimi, C. Mastinu, P. Mendoza, E. Mengoni, A. Milazzo, P.M. Mingrone, F. Mirea, M. Mondalaers, W. Musumarra, A. Pavlik, A. Perkowski, J. Plompen, A. Praena, J. Quesada, J. Rauscher, T. Reifarth, R. Riego, A. Roman, F. Rubbia, C. Sarmento, R. Saxena, A. Schillebeeckx, P. Schmidt, S. Schumann, D. Tagliente, G. Tain, J.L. Tsinganis, A. Valenta, S. Vannini, G. Variale, V. Vaz, P. Versaci, R. Vermeulen, M.J. Vlachoudis, V. Vlastou, R. Wallner, A. Ware, T. Weigand, M. Weiss, C. Wright, T. Zugec, P. |
| author_facet | Paradela, C. Calviani, M. D.Tarr, i Leal-Cidoncha, E. Leong, L.S. Tassan-Got, L. Le Naour, C. Duran, I. Colonna, N. Audouin, L. Mastromarco, M. Lo Meo, S. Ventura, A. Altstadt, S. Andrzejewski, J. Barbagallo, M. Becares, V. Becvar, F. Belloni, F. Berthoumieux, E. Billowes, J. Boccone, V. Bosnar, D. Brugger, M. Calvino, F. Cano-Ott, D. Carrapico, C. Cerutti, F. Chiaveri, E. Chin, M. Cortes, G. Cortes-Giraldo, M.A. Cosentino, L. Diakaki, M. Domingo-Pardo, C. Dressler, R. Eleftheriadis, C. Ferrari, A. Finocchiaro, P. Fraval, K. Ganesan, S. i, A.R.Garc Giubrone, G. Gomez-Hornillos, M.B. Goncalves, I.F. Gonzalez-Romero, E. Griesmayer, E. Guerrero, C. Gunsing, F. Gurusamy, P. Heinitz, S. Jenkins, D.G. Jericha, E. Kappeler, F. Karadimos, D. Kivel, N. Kokkoris, M. Krticka, M. Kroll, J. Langer, C. Lederer, C. Leeb, H. Losito, R. Manousos, A. Marganiec, J. Martinez, T. Massimi, C. Mastinu, P. Mendoza, E. Mengoni, A. Milazzo, P.M. Mingrone, F. Mirea, M. Mondalaers, W. Musumarra, A. Pavlik, A. Perkowski, J. Plompen, A. Praena, J. Quesada, J. Rauscher, T. Reifarth, R. Riego, A. Roman, F. Rubbia, C. Sarmento, R. Saxena, A. Schillebeeckx, P. Schmidt, S. Schumann, D. Tagliente, G. Tain, J.L. Tsinganis, A. Valenta, S. Vannini, G. Variale, V. Vaz, P. Versaci, R. Vermeulen, M.J. Vlachoudis, V. Vlastou, R. Wallner, A. Ware, T. Weigand, M. Weiss, C. Wright, T. Zugec, P. |
| author_sort | Paradela, C. |
| collection | CERN |
| description | The $^{238}$U to $^{235}$U fission cross section ratio has been determined at n_TOF up to $\sim$1 GeV, with two different detection systems, in different geometrical configurations. A total of four datasets have 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 the neutron energy. The result confirms current evaluations up to 200 MeV. A 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 solving a long-standing discrepancy between the two most important experimental dataset available so far above 20 MeV, while extending the neutron energy range for the first time up to $\sim$1 GeV. |
| id | cern-1958125 |
| institution | Organización Europea para la Investigación Nuclear |
| language | eng |
| publishDate | 2014 |
| record_format | invenio |
| spelling | cern-19581252022-08-10T12:53:04Zdoi:10.1103/PhysRevC.91.024602http://cds.cern.ch/record/1958125engParadela, C.Calviani, M.D.Tarr, iLeal-Cidoncha, E.Leong, L.S.Tassan-Got, L.Le Naour, C.Duran, I.Colonna, N.Audouin, L.Mastromarco, M.Lo Meo, S.Ventura, A.Altstadt, S.Andrzejewski, J.Barbagallo, M.Becares, V.Becvar, F.Belloni, F.Berthoumieux, E.Billowes, J.Boccone, V.Bosnar, D.Brugger, M.Calvino, F.Cano-Ott, D.Carrapico, C.Cerutti, F.Chiaveri, E.Chin, M.Cortes, G.Cortes-Giraldo, M.A.Cosentino, L.Diakaki, M.Domingo-Pardo, C.Dressler, R.Eleftheriadis, C.Ferrari, A.Finocchiaro, P.Fraval, K.Ganesan, S.i, A.R.GarcGiubrone, G.Gomez-Hornillos, M.B.Goncalves, I.F.Gonzalez-Romero, E.Griesmayer, E.Guerrero, C.Gunsing, F.Gurusamy, P.Heinitz, S.Jenkins, D.G.Jericha, E.Kappeler, F.Karadimos, D.Kivel, N.Kokkoris, M.Krticka, M.Kroll, J.Langer, C.Lederer, C.Leeb, H.Losito, R.Manousos, A.Marganiec, J.Martinez, T.Massimi, C.Mastinu, P.Mendoza, E.Mengoni, A.Milazzo, P.M.Mingrone, F.Mirea, M.Mondalaers, W.Musumarra, A.Pavlik, A.Perkowski, J.Plompen, A.Praena, J.Quesada, J.Rauscher, T.Reifarth, R.Riego, A.Roman, F.Rubbia, C.Sarmento, R.Saxena, A.Schillebeeckx, P.Schmidt, S.Schumann, D.Tagliente, G.Tain, J.L.Tsinganis, A.Valenta, S.Vannini, G.Variale, V.Vaz, P.Versaci, R.Vermeulen, M.J.Vlachoudis, V.Vlastou, R.Wallner, A.Ware, T.Weigand, M.Weiss, C.Wright, T.Zugec, P.High accuracy determination of the $^{238}$U/$^{235}$U fission cross section ratio up to $\sim$1 GeV at n_TOF (CERN)Nuclear Physics - ExperimentThe $^{238}$U to $^{235}$U fission cross section ratio has been determined at n_TOF up to $\sim$1 GeV, with two different detection systems, in different geometrical configurations. A total of four datasets have 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 the neutron energy. The result confirms current evaluations up to 200 MeV. A 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 solving a long-standing discrepancy between the two most important experimental dataset available so far above 20 MeV, while extending the neutron energy range for the first time up to $\sim$1 GeV.<p>The <inline-formula><mml:math><mml:mrow><mml:mmultiscripts><mml:mi mathvariant="normal">U</mml:mi><mml:mprescripts/><mml:none/><mml:mrow><mml:mn>238</mml:mn></mml:mrow></mml:mmultiscripts></mml:mrow></mml:math></inline-formula> to <inline-formula><mml:math><mml:mrow><mml:mmultiscripts><mml:mi mathvariant="normal">U</mml:mi><mml:mprescripts/><mml:none/><mml:mrow><mml:mn>235</mml:mn></mml:mrow></mml:mmultiscripts></mml:mrow></mml:math></inline-formula> fission cross section ratio has been determined at n_TOF up to <inline-formula><mml:math><mml:mrow><mml:mo>≈</mml:mo><mml:mn>1</mml:mn></mml:mrow></mml:math></inline-formula> 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 <inline-formula><mml:math><mml:mrow><mml:mi mathvariant="normal">INCL</mml:mi><mml:mo>+</mml:mo><mml:mo>+</mml:mo><mml:mo>/</mml:mo></mml:mrow></mml:math></inline-formula>Gemini<inline-formula><mml:math><mml:mrow><mml:mo>+</mml:mo><mml:mo>+</mml:mo></mml:mrow></mml:math></inline-formula> 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 <inline-formula><mml:math><mml:mrow><mml:mo>≈</mml:mo><mml:mn>1</mml:mn></mml:mrow></mml:math></inline-formula> GeV.</p>The $^{238}$U to $^{235}$U fission cross section ratio has been determined at n_TOF up to $\sim$1 GeV, with two different detection systems, in different geometrical configurations. A total of four datasets have 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 the neutron energy. The result confirms current evaluations up to 200 MeV. A 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 solving a long-standing discrepancy between the two most important experimental dataset available so far above 20 MeV, while extending the neutron energy range for the first time up to $\sim$1 GeV.arXiv:1410.7737oai:cds.cern.ch:19581252014-10-28 |
| spellingShingle | Nuclear Physics - Experiment Paradela, C. Calviani, M. D.Tarr, i Leal-Cidoncha, E. Leong, L.S. Tassan-Got, L. Le Naour, C. Duran, I. Colonna, N. Audouin, L. Mastromarco, M. Lo Meo, S. Ventura, A. Altstadt, S. Andrzejewski, J. Barbagallo, M. Becares, V. Becvar, F. Belloni, F. Berthoumieux, E. Billowes, J. Boccone, V. Bosnar, D. Brugger, M. Calvino, F. Cano-Ott, D. Carrapico, C. Cerutti, F. Chiaveri, E. Chin, M. Cortes, G. Cortes-Giraldo, M.A. Cosentino, L. Diakaki, M. Domingo-Pardo, C. Dressler, R. Eleftheriadis, C. Ferrari, A. Finocchiaro, P. Fraval, K. Ganesan, S. i, A.R.Garc Giubrone, G. Gomez-Hornillos, M.B. Goncalves, I.F. Gonzalez-Romero, E. Griesmayer, E. Guerrero, C. Gunsing, F. Gurusamy, P. Heinitz, S. Jenkins, D.G. Jericha, E. Kappeler, F. Karadimos, D. Kivel, N. Kokkoris, M. Krticka, M. Kroll, J. Langer, C. Lederer, C. Leeb, H. Losito, R. Manousos, A. Marganiec, J. Martinez, T. Massimi, C. Mastinu, P. Mendoza, E. Mengoni, A. Milazzo, P.M. Mingrone, F. Mirea, M. Mondalaers, W. Musumarra, A. Pavlik, A. Perkowski, J. Plompen, A. Praena, J. Quesada, J. Rauscher, T. Reifarth, R. Riego, A. Roman, F. Rubbia, C. Sarmento, R. Saxena, A. Schillebeeckx, P. Schmidt, S. Schumann, D. Tagliente, G. Tain, J.L. Tsinganis, A. Valenta, S. Vannini, G. Variale, V. Vaz, P. Versaci, R. Vermeulen, M.J. Vlachoudis, V. Vlastou, R. Wallner, A. Ware, T. Weigand, M. Weiss, C. Wright, T. Zugec, P. High accuracy determination of the $^{238}$U/$^{235}$U fission cross section ratio up to $\sim$1 GeV at n_TOF (CERN) |
| title | High accuracy determination of the $^{238}$U/$^{235}$U fission cross section ratio up to $\sim$1 GeV at n_TOF (CERN) |
| title_full | High accuracy determination of the $^{238}$U/$^{235}$U fission cross section ratio up to $\sim$1 GeV at n_TOF (CERN) |
| title_fullStr | High accuracy determination of the $^{238}$U/$^{235}$U fission cross section ratio up to $\sim$1 GeV at n_TOF (CERN) |
| title_full_unstemmed | High accuracy determination of the $^{238}$U/$^{235}$U fission cross section ratio up to $\sim$1 GeV at n_TOF (CERN) |
| title_short | High accuracy determination of the $^{238}$U/$^{235}$U fission cross section ratio up to $\sim$1 GeV at n_TOF (CERN) |
| title_sort | high accuracy determination of the $^{238}$u/$^{235}$u fission cross section ratio up to $\sim$1 gev at n_tof (cern) |
| topic | Nuclear Physics - Experiment |
| url | https://dx.doi.org/10.1103/PhysRevC.91.024602 http://cds.cern.ch/record/1958125 |
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