Enviaments recents

  • Measurement of the 238 U ( n , gamma ) cross section up to 80 keV with the Total Absorption Calorimeter at the CERN n_TOF facility 

    Wright, T.; Guerrero, C.; Billowes, J.; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Gómez Hornillos, María Belén; Hernández Prieto, Álvaro; Riego Pérez, Albert; Tarifeño Saldivia, Ariel Esteban (AMER PHYSICAL SOC, 2017-12-01)
    Article
    Accés obert
    The radiative capture cross section of a highly pure (99.999%), 6.125(2) grams and 9.56(5) 10-4 atoms/barn areal density 238-U sample has been measured with the Total Absorption Calorimeter (TAC) in the 185 m flight path ...
  • The 236U neutron capture cross-section measured at the n TOF CERN facility 

    Mastromarco, M.; Barbagallo, Massimo; Vermeulen, M.J.; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Gómez Hornillos, María Belén; Riego Pérez, Albert (EDP Sciences, 2016)
    Text en actes de congrés
    Accés obert
    The 236U isotope plays an important role in nuclear systems, both for future and currently operating ones. The actual knowledge of the capture reaction of this isotope is satisfactory in the thermal region, but it is ...
  • High precision measurement of the radiative capture cross section of 238U at the n TOF CERN facility 

    Mingrone, Federica; Altstadt, Sebastian; Andrzejewski, Józef; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Gómez Hornillos, María Belén; Riego Pérez, Albert (EDP Sciences, 2016)
    Text en actes de congrés
    Accés obert
    The importance of improving the accuracy on the capture cross-section of 238U has been addressed by the Nuclear Energy Agency, since its uncertainty significantly affects the uncertainties of key design parameters for both ...
  • Measurement of the 241Am neutron capture cross section at the n TOF facility at CERN 

    Mendoza, E.; Cano-Ott, D; Altstadt, Sebastian; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Gómez Hornillos, María Belén; Riego Pérez, Albert (EDP Sciences, 2016)
    Text en actes de congrés
    Accés obert
    New neutron cross section measurements of minor actinides have been performed recently in order to reduce the uncertainties in the evaluated data, which is important for the design of advanced nuclear reactors and, in ...
  • Measurement of the neutron capture cross section of the fissile isotope 235U with the CERN n TOF total absorption calorimeter and a fission tagging based on micromegas detectors 

    Balibrea-Correa, J.; Mendoza, E.; Cano-Ott, D; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Gómez Hornillos, María Belén; Riego Pérez, Albert (EDP Sciences, 2016)
    Comunicació de congrés
    Accés obert
    The accuracy on neutron capture cross section of fissile isotopes must be improved for the design of future nuclear systems such as Gen-IV reactors and Accelerator Driven Systems. The High Priority Request List of the ...
  • New measurement of the 242Pu(n,gamma) cross section at n TOF-EAR1 for MOX fuels: Preliminary results in the RRR 

    Lerendegui-Marco, J.; Guerrero, C.; Cortés-Giraldo, M.A.; Calviño Tavares, Francisco; Casanovas Hoste, Adrià; Cortés Rossell, Guillem Pere; Gómez Hornillos, María Belén; Tarifeño Saldivia, Ariel Esteban (EDP Sciences, 2016)
    Comunicació de congrés
    Accés obert
    The spent fuel of current nuclear reactors contains fissile plutonium isotopes that can be combined with 238U to make mixed oxide (MOX) fuel. In this way the Pu from spent fuel is used in a new reactor cycle, contributing ...
  • 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 ...
  • Dynamic study of a supercritical carbon dioxide power cycle for DEMO 

    Batet Miracle, Lluís; Linares, José Ignacio; Aulet Prieto, David; Cantizano González, Alexis; Griñó Cubero, Robert; Moratilla, Beatriz Y. (2016)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    In the framework of the research program undertaken by the EUROFusion consortium (within H2020), the feasibility has been analysed of using a supercritical carbon dioxide Brayton cycle as the power conversion system in a ...
  • Development and assessment of fire-related risk unavailability matrices to support the application of the maintenance rule in a PWR nuclear power plant 

    Díaz Bayona, Pedro; Estruch Traveria, Enric; Dies Llovera, Javier; Tapia Fernández, Carlos; Blas Del Hoyo, Alfredo de; Asamoah, Matthew (2016-06-17)
    Article
    Accés obert
    Two methods are presented which serve to incorporate the fire-related risk into the current practices in nuclear power plants with respect to the assessment of configurations. The development of these methods is restricted ...
  • Characterization of a neutron-beta counting system with beta-delayed neutron emitters 

    Agramunt Ros, Jorge; Taín, J.L.; Gómez Hornillos, María Belén; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Pretel Sánchez, Carme; Riego Pérez, Albert; Tarifeño Saldivia, Ariel Esteban (2016-01-21)
    Article
    Accés obert
    A new detection system for the measurement of beta-delayed neutron emission probabilities has been characterized using fission products with well known ß-delayed neutron emission properties. The setup consists of BELEN-20, ...
  • Fractal structure and predictive strategy of the daily extreme temperature residuals at Fabra Observatory (NE Spain, years 1917-2005) 

    Lana Pons, Francisco Javier; Burgueño, August; Serra de Larrocha, Carina; Martínez Santafé, Maria Dolors (2015-07-01)
    Article
    Accés restringit per decisió de l'autor
    A compilation of daily extreme temperatures recorded at the Fabra Observatory (Catalonia, NE Spain) since 1917 up to 2005 has permitted an exhaustive analysis of the fractal behaviour of the daily extreme temperature ...
  • Aftershock sequences of three seismic crises at southern California, USA, simulated by a cellular automata model based on self-organized criticality 

    Monterrubio Velasco, Marisol; Lana Pons, Francisco Javier; Martínez Santafé, Maria Dolors (2015-03-01)
    Article
    Accés restringit per acord de confidencialitat
    Several properties of aftershock series related to the main shocks of Landers, Northridge and Hector Mine (southern California, USA) are reproduced by the Dynamic Fiber Bundle Model, DFBM. Optimum values for the three ...

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