Exploració per autor "Gómez Hornillos, María Belén"

Ara es mostren els items 18-37 de 56

    • Improved neutron capture cross section measurements with the n_TOF total absorption Cclorimeter 

      Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Gómez Hornillos, María Belén (2011-08-12)
      Article
      Accés restringit per política de l'editorial
      The n TOF collaboration operates a Total Absorption Calorimeter (TAC) [1] for measuring neu- tron capture cross-sections of low-mass and/or radioactive samples. The results obtained with the TAC have led to a substantial ...

    • 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 ...

    • Investigation of neutron-induced reactions at n TOF: an overview of the 2009-2012 experimental program 

      Altstadt, Sebastian; Andrzejewski, Józef; Audouin, Ludmila; Barbagallo, Massimo; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Gómez Hornillos, María Belén; Riego Pérez, Albert (2014-05)
      Article
      Accés restringit per política de l'editorial
      The neutron time-of-flight facility n TOF is operating at CERN (Switzerland) since 2001, having started in 2009 a new campaign with an upgraded spallation target. The ambitious program carried out includes a large number ...

    • Measurement and analysis of 241Am(n,¿) cross sections with C6D6 detectors at the n TOF facility at CERN 

      Fraval, Kevin; Altstadt, Sebastian; Andrzejewski, Józef; Audouin, Ludmila; Barbagallo, Massimo; Bécares, Vicente; Becvar, F.; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Gómez Hornillos, María Belén; Riego Pérez, Albert (2014-05-01)
      Article
      Accés restringit per política de l'editorial
      The 241Am(n,¿) cross sections have been measured at the n TOF facility at CERN using C6D6 liquid scintillators and time of flight spectrometry. The results in the resolved resonance range bring new constraints to evaluations ...

    • Measurement and analysis of the Am 241 (n, gamma) cross section with liquid scintillator detectors using time-of-flight spectroscopy at the n-TOF facility at CERN 

      Fraval, Kevin; Gunsing, Frank; Altstadt, Sebastian; Andrzejewski, Józef; Audouin, Ludmila; Barbagallo, Massimo; Bécares, Vicente; Belloni, Fabio; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Gómez Hornillos, María Belén; Hernández Prieto, Álvaro; Riego Pérez, Albert (2014-04-23)
      Article
      Accés restringit per política de l'editorial
      The Am241(n,¿) cross section has been measured at the n-TOF facility at CERN using deuterated benzene liquid scintillators, commonly known as C6D6 detectors, and time-of-flight spectrometry. The results in the resolved ...

    • Measurement and resonance analysis of the 33S (n, alpha) 30Si cross section at the CERN n_TOF facility in the energy region from 10 to 300 keV 

      Praena, J.; Sabaté-Gilarte, M.; Porras, I.; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Gómez Hornillos, María Belén (AMER PHYSICAL SOC, 2018-06-04)
      Article
      Accés obert
      The 33S(n,a)30Si cross section has been measured at the neutron time-of-flight (n_TOF) facility at CERN in the neutron energy range from 10 to 300 keV relative to the 10B(n,a)7Li cross-section standard. Both reactions were ...

    • 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 ...

    • Measurement of the 24,25,26Mg(n, gamma) reaction cross-section at n-TOF 

      Massimi, Cristian; Andriamonje, S.; Andrzejewski, Józef; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Gómez Hornillos, María Belén (PoS - Proceedings of Science, 2010)
      Text en actes de congrés
      Accés obert
      We have measured the neutron-induced capture cross-section of the importants-process isotopesof magnesium. The measurement has been performed at the neutron time-of-flight facility n_TOFat CERN. From a preliminary analysis ...

    • Measurement of the 241Am and the 243Am neutron capture cross sections at the n TOF facility at CERN 

      Altstadt, Sebastian; Andrzejewski, Józef; Audouin, Ludmila; Barbagallo, Massimo; Bécares, Vicente; Becvar, F.; Berthoumieux, Eric; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Gómez Hornillos, María Belén; Riego Pérez, Albert (2014-05-01)
      Article
      Accés restringit per política de l'editorial
      The capture cross sections of 241Am and 243Am were measured at the n TOF facility at CERN in the epithermal energy range with a BaF2 Total Absorption Calorimeter. A preliminary analysis of the 241Am and a complete analysis ...

    • 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 242Pu(n,f) cross section at the CERN n TOF facility 

      Tsinganis, A.; Berthoumieux, Eric; Colonna, Nicola; Calviani, Marco; Andriamonje, S.; Gunsing, Frank; Altstadt, Sebastian; Andrzejewski, Józef; Audouin, Ludmila; Barbagallo, Massimo; Bécares, Vicente; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Gómez Hornillos, María Belén; Riego Pérez, Albert (2014-05-01)
      Article
      Accés restringit per política de l'editorial
      The accurate knowledge of relevant nuclear data is crucial for the design of advanced nuclear systems. These data include neutron cross sections of various plutonium isotopes and other minor actinides. The 242Pu(n,f) cross ...

    • Measurement of the 54,57Fe(n,gamma) cross section in the resolved resonance region at CERN n TOF 

      Taín Enríquez, José Luis; Lederer, Claudia; Altstadt, Sebastian; Andrzejewski, Józef; Audouin, Ludmila; Barbagallo, Massimo; Bécares, Vicente; Becvar, F.; Belloni, Fabio; Berthoumieux, Eric; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Gómez Hornillos, María Belén; Riego Pérez, Albert (2014-05-01)
      Article
      Accés restringit per política de l'editorial
      54Fe and 57 Fe are stable iron isotopes, which play an important role in the nucleosynthesis of the slow neutron capture process (s process). In addition, these nuclei are present in many structural materials, and therefore, ...

    • Measurement of the a ratio and (n,¿) cross section of U 235 from 0.2 to 200 eV at n_TOF 

      Balibrea-Correa, J.; Mendoza, E.; Cano Ott, Daniel; Capote Noy, Roberto; Altstadt, Sebastian; Andrzejewski, Józef; Audouin, Ludmila; Bécares, Vicente; Barbagallo, Massimo; Becvar, F.; Belloni, Fabio; Berthoumieux, Eric; Billowes, J.; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Gómez Hornillos, María Belén (American Physical Society, 2020-10-20)
      Article
      Accés obert
      We measured the neutron capture-to-fission cross-section ratio (a ratio) and the capture cross section of 235U between 0.2 and 200 eV at the n_TOF facility at CERN. The simultaneous measurement of neutron-induced capture ...

    • Measurement of the angular distribution of fission fragments using a PPAC assembly at CERN n_TOF 

      Tarrío, D.; Audouin, Ludmila; Altstadt, Sebastian; Andrzejewski, Józef; Barbagallo, Massimo; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Gómez Hornillos, María Belén; Riego Pérez, Albert (2014-01-08)
      Article
      Accés restringit per política de l'editorial
      A fission reaction chamber based on Parallel Plate Avalanche Counters (PPACs) was built for measuring angular distributions of fragments emitted in neutron-induced fission of actinides at the neutron beam available at the ...

    • Measurement of the C-12(n, p)B-12 cross section at n_TOF at CERN by in-beam activation analysis 

      Žugec, Petar; Colonna, Nicola; Bosnar, Damir; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Gómez Hornillos, María Belén; Riego Pérez, Albert (2014-08-19)
      Article
      Accés restringit per política de l'editorial
      The integral cross section of the C-12(n,p)B-12 reaction has been determined for the first time in the neutron energy range from threshold to several GeV at the n_TOF facility at CERN. The measurement relies on the activation ...

    • 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 

      Altstadt, Sebastian; Andrzejewski, Józef; Audouin, Ludmila; Berthoumieux, Eric; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Gómez Hornillos, María Belén; Riego Pérez, Albert (2014-05-01)
      Article
      Accés restringit per política de l'editorial
      Current and future nuclear technologies require more accurate nuclear data on (n,¿) cross sections and the alpha-ratios of fissile isotopes. Their measurement presents several difficulties, mainly related to the strong ...

    • 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 ...

    • 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 ...

    • Neutron capture cross section of unstable 63-Ni: implications for stellar nucleosynthesis 

      Lederer, C.; Massimi, C.; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Gómez Hornillos, María Belén (2013-01-09)
      Article
      Accés restringit per política de l'editorial
      The 63Ni(n,γ) cross section has been measured for the first time at the neutron time-of-flight facility n_TOF at CERN from thermal neutron energies up to 200 keV. In total, capture kernels of 12 (new) resonances were ...

    • Neutron capture reactions on Fe and Ni isotopes for the astrophysical s-process 

      Lederer, Claudia; Massimi, Cristian; Žugec, Petar; Barbagallo, Massimo; Colonna, Nicola; Domingo Pardo, César; Gunsing, Frank; Taín Enríquez, José Luis; Altstadt, Sebastian; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Gómez Hornillos, María Belén; Riego Pérez, Albert (2014-06-01)
      Article
      Accés restringit per política de l'editorial
      Neutron capture cross sections in the keV neutron energy region are the key nuclear physics input to study the astrophysical slow neutron capture process. In the past years, a series of neutron capture cross section ...