Enviaments recents

  • 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 ...
  • Qualification of a full plant nodalization for the prediction of the core exit temperature through a scaling methodology 

    Freixa Terradas, Jordi; Martínez Quiroga, Víctor Manuel; Reventós Puigjaner, Francesc Josep (2016-11)
    Article
    Accés restringit per política de l'editorial
    System codes and their necessary power plant nodalizations are an essential step in thermal hydraulic safety analysis. In order to assess the safety of a particular power plant, in addition to the validation and verification ...
  • ß-delayed neutron emission studies 

    Gómez Hornillos, María Belén; Taín, J.L.; Gorlychev, V.; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Pretel Sánchez, Carme (2014-01-01)
    Article
    Accés restringit per política de l'editorial
    The study of beta-delayed neutron emission plays a major role in different fields such as nuclear technology, nuclear astrophysics and nuclear structure. However the quality of the existing experimental data nowadays is ...
  • Measurement and analysis of the 243Am neutron capture cross section at the n_TOF facility at CERN 

    Mendoza, E.; Cano-Ott, D; Guerrero, C.; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Pretel Sánchez, Carme (2014-09-11)
    Article
    Accés restringit per política de l'editorial
    Background: The design of new nuclear reactors and transmutation devices requires to reduce the present neutron cross section uncertainties of minor actinides. Purpose: Improvement of the 243Am(n,¿ ) cross section ...
  • Integral measurement of the 12C(n, p)12B reaction up to 10 GeV 

    Žugec, Petar; Colonna, Nicola; Bosnar, Damir; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Gómez Hornillos, María Belén (2016-04-22)
    Article
    Accés obert
    The integral measurement of the 12C(n, p)12B reaction was performed at the neutron time-offlight facility n TOF at CERN. The total number of 12B nuclei produced per neutron pulse of the n TOF beam was determined using ...

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