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  • On the scaling of uncertainties in thermal hydraulic system codes 

    Casamor Vidal, Max; Martínez Quiroga, Víctor Manuel; Reventós Puigjaner, Francesc Josep; Mendizabal Sanz, Rafael; Freixa Terradas, Jordi (2020-02-01)
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    The present work addresses the scaling e ect on safety margins and uncertainties for best estimate plus uncertainty (BEPU) methodologies. The results of an experiment from the OECD/NEA ROSA-2 project at the LSTF facility ...

  • Strong one-neutron emission from two-neutron unbound states in Beta decays of the r-process nuclei 86,87 Ga 

    Yokoyama, R.; Grzywacz, Robert; Rasco, B. Charles; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Tarifeño Saldivia, Ariel Esteban (American Physical Society (APS), 2019-09-19)
    Article
    Open Access
    Beta-delayed one-neutron and two-neutron branching ratios (P1n and P2n) have been measured in the decay of A = 84 to 87 Ga isotopes at the Radioactive-Isotope Beam Factory (RIBF) at the RIKEN Nishina Center using a ...

  • Measurement of the 235U(n, f) cross section relative to the 6Li(n, t) and 10B(n, a) standards from thermal to 170 keV neutron energy range at n_TOF 

    Amaducci, Simone; Cosentino, Luigi; Barbagallo, Massimo; Casanovas Hoste, Adrià; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Tarifeño Saldivia, Ariel Esteban (2019-07-26)
    Article
    Open Access
    The 235U(n, f ) cross section was measured at n_TOF relative to 6Li(n, t) and 10B(n,a) , with high resolution ( L=183.49(2) m) and in a wide energy range (25meV-170keV) with 1.5% systematic uncertainty, making use of a ...

  • Observation of a us isomer in 134-In: Proton-neutron coupling “southeast” of 132-Sn 

    Phong, V.H.; Lorusso, G.; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Tarifeño Saldivia, Ariel Esteban (American Physical Society (APS), 2019-07-29)
    Article
    Open Access
    We report on the observation of a microsecond isomeric state in the single-proton-hole, three-neutron-particlenucleus134In. The nuclei of interest were produced by in-flight fission of a238U beam at the Radioactive IsotopeBeam ...

  • Quantification of the uncertainty of the physical models in the system thermal-hydraulic codes – PREMIUM benchmark 

    Skorek, Tomasz; de Crécy, Agnès; Kovtonyuk, Andriy; de Alfonso, Elsa; Reventós Puigjaner, Francesc Josep; Freixa Terradas, Jordi (2019-08-10)
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    PREMIUM (Post BEMUSE Reflood Models Input Uncertainty Methods) was an activity launched with the aim of pushing forward the methods of quantification of physical model uncertainties in thermal-hydraulic codes. The benchmark ...

  • Status and outlook of the neutron time-of-flight facility n_TOF at CERN 

    Gunsing, Frank; Abbondanno, U; Aerts, G; Alvarez, H; Alvarez Velarde, Francisco; Andriamonje, S; Assimakopoulos, P; Audouin, Ludmila; Badurek, G.; Dolfini, R.; Ferrant, L.; Domingo Pardo, César; Dridi, W.; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Duran, I.; Ferrari, A.; Ferreira-Marques, R.; Frais-Koelbl, H.; Furman, W.; Fujii, K; Jericha, E.; Goncalves, I.; Gonzalez Romero, E.; Goverdovski, A.; Karamanis, D.; Gramegna, F.; Griesmayer, E.; Haas, B.; Haight, R.; Kerveno, M.; Herrera Martinez, Aura; Igashira, M.; Isaev, S.; Kappeler, F; Kadi, Y; Karadimos, D.; Ketlerov, V.; Koehler, Paul E.; Konovalov, V.; Kossionides, E.; Krticka, M.; Mengoni, A; Lampoudis, C.; Leeb, H.; Lindote, A.; Neves, F.; Lopes, I.; Marrone, S.; Lukic, S.; Marganiec, J.; Marques, L.; Oberhummer, H.; Martínez, T.; Mastinu, P.; Massimi, Cristian; Milazzo, P.M.; Moreau, C; Mosconi, M.; O'Brien, S.; Oshima, M.; Pancin, J.; Papachristodoulou, C.; Papadopoulos, C.; Rauscher, Thomas; Paradela, C.; Patronis, N.; Pavlik, A.; Rudolf, G.; Pavlopoulos, P.; Perrot, L.; Pigni, M.T.; Plag, R.; Plompen, A.; Plukis, A.; Rullhusen, P.; Pretel Sánchez, Carme; Poch Parés, Agustí; Quesada, J.; Reifarth, R.; Rubbia, C.; Rosetti, M.; Sarchiapone, L.; Salgado, J.; Savvidis, I.; Stephan, C.; Tagliente, G.; Walter, S.; Tain Enriquez, José Luis; Tassan-Got, L.; Tavora, L.; Becvar, F.; Terlizzi, R.; Vannini, Gianni; Vaz, P.; Ventura, Alberto; Villamarin, D.; Vincente, M.C.; Berthoumieux, Eric; Vlastou, R.; Vlachoudis, V.; Voss, F.; Wendler, H.; Wiescher, M.; Wisshak, K.; Cano-Ott, D; Capote Noy, Roberto; Albornoz, A.C. de; Cennini, P.; Eleftheriadis, C.; Chepel, V.; Chiaveri, E.; Colonna, Nicola; Couture, A.; Cox, J.; Dahlfors, M.; David, S.; Dillmann, Iris; Lozano, Manuel; Guerrero, Carlos (2007-08)
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    The neutron time-of-flight facility n_TOF at CERN, fully operational since 2002, combines a high instantaneous neutron flux with high energy resolution. The wide energy range and the high neutron flux per time-of-flight ...

  • Cross section measurements of 155,157Gd(n,gamma) induced by thermal and epithermal neutrons 

    Mastromarco, M.; Aberle, O.; Calviño Tavares, Francisco; Casanovas Hoste, Adrià; Cortés Rossell, Guillem Pere; Tarifeño Saldivia, Ariel Esteban (2019-01-28)
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    Neutron capture cross section measurements on 155Gd and 157Gd were performed using the time-of-flight technique at the n_TOF facility at CERN on isotopically enriched samples. The measurements were carried out in the n_TOF ...

  • Commissioning of the BRIKEN detector for the measurement of very exotic ß-delayed neutron emitters 

    Tolosa Delgado, Alvaro; Agramunt Ros, Jorge; Taín, J.L.; Tarifeño Saldivia, Ariel Esteban; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere (2019-05-01)
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    A new detection system has been installed at the RIKEN Nishina Center (Japan) to investigate decay properties of very neutron-richnuclei. The setup consists of three main parts: a moderated neutron counter, a detection ...

  • Searches for nonminimal Higgs bosons from a virtual Z decaying into a muon pair at the SLAC e+ e- storage ring PEP 

    Komamiya, S.; Fordham, C.; Abrams, Geoffrey; Calviño Tavares, Francisco (American Physical Society (APS), 1989-08-01)
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    Nonminimal neutral Higgs bosons decaying into a muon pair were searched for using the Mark II detector at the SLAC e+e- collider PEP at SQRT(s) =29 GeV. A neutral scalar Higgs boson H0s can be produced accompanied by a ...

  • Trigger drift chamber for the upgraded mark II detector at PEP 

    Ford, W.T.; Smith, S.R.; Wagner, P.; Calviño Tavares, Francisco (1987-04-01)
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    A small cylindrical track detector was built as an array of single-wire drift cells with aluminized mylar cathode tubes. Point measurement resolution of ~90 um was achieved with a drift gas of 50% argon-50% ethane at ...

  • Measurement of 73Ge(n,gamma) cross sections and implications for stellar nucleosynthesis 

    Lederer-Woods, C.; Battino, U.; Ferreira, P.A.; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Riego Pérez, Albert (Elsevier, 2019-03-10)
    Article
    Open Access
    73Ge(n,gamma) cross sections were measured at the neutron time-of-flight facility n_TOF at CERN up to neutron energies of 300 keV, providing for the first time experimental data above 8 keV. Results indicate that the stellar ...

  • Sizing of a recuperative supercritical CO2 Brayton cycle as power conversion system for DEMO fusion reactor based on Dual Coolant Lithium Lead blanket 

    Linares, José Ignacio; Arenas, Eva; Cantizano González, Alexis; Porras, José; Moratilla, Beatriz Y.; Batet Miracle, Lluís (2018-09-01)
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    A modified recuperative supercritical CO2 cycle for DEMO fusion reactor is analysed. A layout with just one recuperator is used, because of the relatively low temperature of the breeding blanket coolants. The proposed cycle ...

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