Now showing items 1-20 of 27

    • 62Ni(n,gamma) and 63Ni(n,gamma) cross sections measured at the n_TOF facility at CERN 

      Lederer, Claudia; Massimi, Cristian; Berthoumieux, Eric; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Gómez Hornillos, María Belén; Riego Pérez, Albert (2014-02-28)
      Article
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      The cross section of the Ni62(n,gamma) reaction was measured with the time-of-flight technique at the neutron time-of-flight facility n_TOF at CERN. Capture kernels of 42 resonances were analyzed up to 200 keV neutron ...
    • A compact fission detector for fission-tagging neutron capture experiments with radioactive fissile isotopes 

      Bacak, Michael; Aiche, Mourad; Bélier, Gilbert; Berthoumieux, Eric; Diakaki, Maria; Dupont, Emmeric; Gunsing, Frank; Kopecky, Stefan; Calviño Tavares, Francisco; Casanovas Hoste, Adrià; Cortés Rossell, Guillem Pere; Tarifeño Saldivia, Ariel Esteban (2020-04-21)
      Article
      Open Access
      In the measurement of neutron capture cross-sections of fissile isotopes, the fission channel is a source of background which can be removed efficiently using the so-called fission-tagging or fission-veto technique. For ...
    • A Micromegas detector for neutron beam imaging at the n TOF facility at CERN 

      Belloni, Fabio; Andriamonje, S.; Berthoumieux, Eric; Calviani, Marco; Colonna, Nicola; Gunsing, Frank; Tsinganis, A.; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Gómez Hornillos, María Belén; Riego Pérez, Albert (2014-05-01)
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      Micromegas (Micro-MEsh Gaseous Structure) detectors are gas detectors consisting of a stack of one ionization and one proportional chamber. A micromesh separates the two communicating regions, where two different electric ...
    • Capture cross section of 236U: the n TOF results 

      Barbagallo, Massimo; Colonna, Nicola; Altstadt, Sebastian; Andrzejewski, Józef; Audouin, Ludmila; Bécares, Vicente; Becvar, Zdenek; Belloni, Fabio; Berthoumieux, Eric; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Hernández Prieto, Álvaro; Riego Pérez, Albert (2014-05-01)
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      Neutron induced capture cross section on 236U has been measured with high accuracy and high resolution at n TOF, in order to improve data libraries needed for the development of advanced nuclear reactors. Preliminary results ...
    • Erratum: 62Ni(n,¿) and 63Ni(n,¿ ) cross sections measured at the n_TOF facility at CERN 

      Lederer, Claudia; Massimi, Cristian; Berthoumieux, Eric; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Gómez Hornillos, María Belén; Riego Pérez, Albert (2015-07-23)
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    • First results of the new n_TOF spallation target commissioning 

      Berthoumieux, Eric; Andriamonje, S.; Andrzejewski, Józef; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere (2009)
      Conference report
      Open Access
      The Neutron Time of Flight facility n_TOF located at CERN started to take data in 2001 . Due to an increase of radioactivity released in the cooling water the experiment was stopped by end of 2004 . In 2008 a new spallation ...
    • Integral cross section measurement of the12C(n,p)12B reaction 

      Žugec, Petar; Colonna, Nicola; Bosnar, Damir; Ventura, A.; Altstadt, Sebastian; Andrzejewski, Józef; Audouin, Ludmila; Barbagallo, Massimo; Bécares, Vicente; Berthoumieux, Eric; Brugger, Matthias; Calviani, Marco; Calviño Tavares, Francisco; Cano Ott, Daniel; Riego Pérez, Albert (2015)
      Conference report
      Open Access
      The integral cross section of the12C(n, p)12B reaction was measured at the neutron time of flight facility nTOF at CERN, from the reaction threshold at 13.6 MeV up to 10 GeV, by means of the combined activation and a ...
    • Measurement of the 240,242Pu(n,f) cross section at the CERN n_TOF facility 

      Tsinganis, A.; Berthoumieux, Eric; Guerrero, Carlos; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere (2014)
      Conference report
      Open Access
      Knowledge of neutron cross sections of various plutonium isotopes and other minor actinides is crucial for the design of advanced nuclear systems. The 240, 242Pu(n,f) cross sections were measured at the CERN n_TOF facility, ...
    • 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)
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      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 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
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      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, J.L.; 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
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      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 70Ge(n,¿) cross section up to 300 keV at the CERN n_TOF facility 

      Lederer-Woods, C.; Andrzejewski, Józef; Battino, U.; Gunsing, Frank; Krticka, M.; Massimi, Cristian; Mingrone, Federica; Aberle, O.; Audouin, Ludmila; Bacak, M.; Barbagallo, Massimo; Beinrucker, C.; Berthoumieux, Eric; Bosnar, Damir; Brugger, Matthias; Calviño Tavares, Francisco; Chen, Yu-Hsiang; Colonna, Nicola; Cortés Rossell, Guillem Pere; Cosentino, Luigi; Diakaki, M.; Domingo Pardo, César; Dressler, Rugard; Dupont, E.; Gonzalez Romero, E.; Goverdovski, A.; Griesmayer, E.; Jericha, E.; Kaeppeler, F.; Kadi, Y; Ketlerov, V.; Kimura, Atsushi; Leal-Cidoncha, E.; Leeb, H.; Lerendegui-Marco, J.; Losito, R.; Marganiec, J.; Mastromarco, M.; Musumarra, A.; Patronis, N.; Pavlik, A.; Rauscher, Thomas; Rubbia, C.; Sabaté-Gilarte, M.; Saxena, Avadh; Schmidt, Samuel; Stamatopoulos, A.; Tassan-Got, L.; Vannini, Gianni; Vlachoudis, V.; Wallner, A.; Wright, T.; Žugec, Petar (American Physical Society (APS), 2019-10-17)
      Article
      Open Access
      Neutron capture data on intermediate mass nuclei are of key importance to nucleosynthesis in the weakcomponent of the slow neutron capture processes, which occurs in massive stars. The (n,¿) cross section on70Ge, which is ...
    • 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
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      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 236U 

      Barbagallo, Massimo; Belloni, Fabio; Berthoumieux, Eric; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere (2010-10-07)
      External research report
      Open Access
    • Measurement of the240Pu(n,f) cross-section at the CERN n-TOF facility: First results from EAR-2 

      Tsinganis, A.; Stamatopoulos, A.; Colonna, Nicola; Vlastou, R.; Barbagallo, Massimo; Berthoumieux, Eric; Calviani, Marco; Andrzejewski, Józef; Audouin, Ludmila; Bécares, Vicente; Bosnar, Damir; Brugger, Matthias; Caamaño, Manuel; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere (2015)
      Conference report
      Open Access
      The accurate knowledge of neutron cross-sections of a variety of plutonium isotopes and other minor actinides, such as neptunium, americium and curium, is crucial for feasibility and performance studies of advanced nuclear ...
    • Neutron beam imaging with micromegas detectors in combination with neutron time-of-flight at the n_tof facility at CERN 

      Belloni, Fabio; Andriamonje, S.; Berthoumieux, Eric; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Riego Pérez, Albert (2012)
      Conference report
      Open Access
      A bulk micromegas detector with the anode segmented in 2 orthogonal directions and equipped with a neutron/charged particle converter is employed at the neutron time-of-light (nTOF) facility at CERN to determine the incident ...
    • New measurement of the 25Mg(n,gamma) reaction cross section 

      Massimi, Cristian; Koehler, Paul E.; Mingrone, Federica; Altstadt, Sebastian; Andrzejewski, Józef; Audouin, Ludmila; Barbagallo, Massimo; Bécares, Vicente; Becvar, F.; Belloni, Fabio; Berthoumieux, Eric; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Riego Pérez, Albert (2014-05-01)
      Article
      Restricted access - publisher's policy
      The 25Mg(n,gamma) reaction cross-section has been measured at the neutron time-of-flight facility n TOF at CERN in 2003 and, with an improved experimental set up, in 2012. These measurements aim at addressing important ...
    • Ni-62(n,gamma) and Ni-63(n,gamma) cross sections measured at the n_TOF facility at CERN 

      Lederer, Claudia; Massimi, Cristian; Berthoumieux, Eric; Colonna, Nicola; Dressler, Rugard; Guerrero, Carlos; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Gómez Hornillos, María Belén; Riego Pérez, Albert (2014-02-28)
      Article
      Restricted access - publisher's policy
      The cross section of the Ni-62(n,gamma) reaction was measured with the time-of-flight technique at the neutron time-of-flight facility n_TOF at CERN. Capture kernels of 42 resonances were analyzed up to 200 keV neutron ...
    • Simultaneous measurement of neutron-induced capture and fission reactions at CERN 

      Guerrero, C.; Berthoumieux, Eric; Cano-Ott, D; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Gómez Hornillos, María Belén (2012)
      Article
      Open Access
      The measurement of the capture cross-section of fissile elements, of utmost importance for the design of innovative nuclear reactors and the management of nuclear waste, faces particular difficulties related to the -ray ...
    • Spin Measurements of n+87Sr for Level Density Studies 

      Gunsing, Frank; Fraval, Kevin; Becvar, F.; Mitchell, G.E.; Andrzejewski, Józef; Altstadt, Sebastian; Audouin, Ludmila; Barbagallo, Massimo; Bécares, Vicente; Belloni, Fabio; Berthoumieux, Eric; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Riego Pérez, Albert (2014-05-01)
      Article
      Restricted access - publisher's policy
      We have used the 4p BaF2 gamma-ray detector array at the n TOF neutron time-of-flight facility at CERN for an experiment in order to determine the spins of resonances of n+87Sr by measuring the gamma-ray spectra and ...