Enviaments recents

  • Comparison of best-estimate plus uncertainty and conservative methodologies for a PWR MSLB analysis using a coupled 3-D neutron-kinetics/thermal-hydraulic code 

    Pericas Casals, Raimon; Ivanov, K.; Reventós Puigjaner, Francesc; Batet Miracle, Lluís (2017-05-04)
    Article
    Accés restringit per política de l'editorial
    This paper compares the Best-Estimate Plus Uncertainty (BEPU) methodology with the Conservative Bounding methodology for design-basis-accident analysis. Calculations have been performed with TRACE [for thermal-hydraulic ...
  • First evidence of multiple ß-delayed neutron emission for isotopes with A > 100 

    Caballero-Folch, R.; Dillmann, I.; Agramunt Ros, Jorge; Tan, J.L.; Domingo Pardo, César; Äystö, J.; Calviño Tavares, Francisco; Canete, L.; Eronen, T.; Ganioglu, E.; Gelletly, W.; Gorelov, D.; Guadilla, V.; Hakala, J.; Jokinen, A.; Kankainen, A.; Kolhinen, V.S.; Koponen, J.; Marta, M.; Mendoza Cembrano, Emilio; Montaner Piza, A.; Moore, I.; Nobs, Ch.; Orrigo, S.; Penttila, H.; Pohjalainen, I.; Reinikainen, J.; Riego Pérez, Albert; Rinta-Antila, S.; Rubio, B.; Salvador Castiñeira, Paula Genoveva; Simutkin, V.; Voss, A.; Cortés Rossell, Guillem Pere (2017-03-01)
    Article
    Accés obert
    The beta-delayed neutron emission probability, P-n, of very neutron-rich nuclei allows us to achieve a better understanding of the nuclear structure above the neutron separation energy, S-n. The emission of neutrons can ...
  • Monte Carlo simulations for the study of a moderated neutron detector 

    Gómez Hornillos, María Belén; Gorlychev, V.; Caballero Folch, Roger; Cortés Rossell, Guillem Pere; Poch Parés, Agustí; Pretel Sánchez, Carme; Calviño Tavares, Francisco (2011-08-12)
    Article
    Accés obert
    This work presents the Monte Carlo simulations performed with the MCNPX and GEANT4 codes for the design of a BEta deLayEd Neutron detector, BELEN-20. This detector will be used for the study of beta delayed neutron emission ...
  • Code improvement and model validation for Asco-II Nuclear Power Plant model using a coupled 3D neutron kinetics/thermal-hydraulic code 

    Pericas Casals, Raimon; Ivanov, K; Reventós Puigjaner, Francesc; Batet Miracle, Lluís (2016-01-01)
    Article
    Accés restringit per política de l'editorial
    This paper provides a Best Estimate validation calculation with a coupled thermal–hydraulic and 3D neutron kinetic model for Ascó-II Nuclear Power Plant. Common NRC codes have been used for its purpose. TRACE is the code ...
  • Neutron capture cross section measurement of 238U at the CERN n_TOF facility in the energy region from 1 eV to 700 keV 

    Mingrone, Federica; Massimi, Cristian; Vannini, Gianni; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere (AMER PHYSICAL SOC, 2017-03-10)
    Article
    Accés obert
    The aim of this work is to provide a precise and accurate measurement of the 238U(n, gamma) reaction cross section in the energy region from 1 eV to 700 keV. This reaction is of fundamental importance for the design ...
  • Neutron spectroscopy of 26Mg states: constraining the stellar neutron source 22Ne(alpha, n) 25Mg 

    Massimi, Cristian; Altstadt, Sebastian; Andrzejewski, Józef; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere (Elsevier, 2017-02-16)
    Article
    Accés obert
    This work reports on accurate, high-resolution measurements of the 25Mg(n, gamma )26Mg and 25Mg(n, tot) cross sections in the neutron energy range from thermal to about 300 keV, leading to a significantly improved 25Mg(n, ...
  • Testing methodologies for quantifying physical models uncertainties. A comparative exercise using CIRCE and IPREM (FFTBM) 

    Freixa Terradas, Jordi; Alfonso Prieto-Puga, Elsa de; Reventós Puigjaner, Francesc (2016-08-15)
    Article
    Accés restringit per política de l'editorial
    The increasing importance of Best-Estimate Plus Uncertainty (BEPU) analyses in nuclear safety and licensing processes have lead to several international activities. The latest findings highlighted the uncertainties of ...
  • First measurement of several beta-delayed neutron emitting isotopes beyond N=126 

    Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Algora, A.; Benlliure, J.; Bowry, M.; Cortes, G.; Dillmann, I.; Estradé, A.; Farinon, F.; Geissel, H.; Gelletly, W.; Heil, M.; Kurcewicz, J.; Marganiec, J.; Nociforo, C.; Pietri, S.; Prochazka, A.; Maurice, S.; Rubio, B.; Smith, K.M; Tain, J. L.; Weick, H.; Woody, R.W. (2016-06-29)
    Article
    Accés obert
    The beta-delayed neutron emission probabilities of neutron rich Hg and Tl nuclei have been measured together with beta-decay half-lives for 20 isotopes of Au, Hg, Tl, Pb, and Bi in the mass region N greater than or similar ...
  • Nuclear data activities at the n_TOF facility at CERN 

    Gunsing, Frank; Aberle, O.; Andrzejewski, Józef; Calviño Tavares, Francisco; Casanovas Hoste, Adrià; Cortés Rossell, Guillem Pere; Riego-Pérez, albert; Tarifeño Saldivia, Ariel Esteban (2016-10-21)
    Article
    Accés obert
    Nuclear data in general, and neutron-induced reaction cross sections in particular, are important for a wide variety of research fields. They play a key role in the safety and criticality assessment of nuclear technology, ...
  • Be-7(n,alpha)He-4 reaction and the cosmological lithium problem: measurement of the cross section in a wide energy range at n_TOF at CERN 

    Barbagallo, Massimo; Musumarra, A.; Cosentino, L.; Calviño Tavares, Francisco; Casanovas Hoste, Adrià; Cortés Rossell, Guillem Pere; Tarifeño Saldivia, Ariel Esteban (2016-10-03)
    Article
    Accés obert
    The energy-dependent cross section of the Be7(n,alpha)He4 reaction, of interest for the so-called cosmological lithium problem in big bang nucleosynthesis, has been measured for the first time from 10 meV to 10 keV neutron ...

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