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Ara es mostren els items 109-128 de 241

    • Measurement of the 90,91,92,93,94,96-Zr(n,gamma) and 139-La(n,gamma) cross sections at n TOF 

      Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Poch Parés, Agustí; Pretel Sánchez, Carme (EDP Sciences, 2007)
      Text en actes de congrés
      Accés obert
      Neutron capture cross sections of Zr and La isotopes have important implications in the field of nuclear astrophysics as well as in the nuclear technology. In particular the Zr isotopes play a key role for the determination ...

    • 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 heaviest Beta-delayed 2-neutron emitter: 136Sb 

      Caballero-Folch, R.; Taín Enríquez, José Luis; Agramunt Ros, Jorge; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Riego Pérez, Albert (EDP Sciences, 2016)
      Comunicació de congrés
      Accés obert
      The Beta-delayed neutron emission probability, Pn , of very exotic nuclei is crucial for the understanding of nuclear structure properties of many isotopes and astrophysical processes such as the rapid neutron capture ...

    • Measurement of the N 14 (n,p) C 14 cross section at the CERN n_TOF facility from subthermal energy to 800 keV 

      Torres Sanchez, Pablo; Praena Rodríguez, Javier; Porras Sánchez, Ignacio; Sabaté-Gilarte, Marta; Lederer Woods, Claudia; Aberle, Oliver; Alcayne Aicua, Víctor; Amaducci, Simone; Andrzejewski, Józef; Audouin, Laurent; Calviño Tavares, Francisco; Casanovas Hoste, Adrià; Cortés Rossell, Guillem Pere; Tarifeño Saldivia, Ariel Esteban (American Physical Society, 2023-06-29)
      Article
      Accés obert
      Background: The 14N(n,p)14C reaction is of interest in neutron capture therapy, where nitrogen-related dose is the main component due to low-energy neutrons, and in astrophysics, where 14N acts as a neutron poison in the ...

    • Measurement of the neutron capture cross section of 234-U in n TOF at CERN 

      Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Poch Parés, Agustí; Pretel Sánchez, Carme (2006)
      Text en actes de congrés
      Accés obert
      Accurate and reliable neutron capture cross sections are needed in many research areas, including stellar nucleosynthesis, advanced nuclear fuel cycles, waste transmutation, and other applied programs. In particular, the ...

    • Measurement of the neutron capture cross section of 236-U 

      Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Poch Parés, Agustí; Pretel Sánchez, Carme (2006)
      Text en actes de congrés
      Accés obert
      In this paper we describe the 236U(n,γ) reaction cross section measurement at the GELINA white pulsed neutron source of the Institute for Reference Materials and Measurements (IRMM) in Geel. The sample was placed in the ...

    • 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 ...

    • 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 

      Mendoza, E.; Cano-Ott, D; Balibrea-Correa, J.; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Riego Pérez, Albert (2014)
      Text en actes de congrés
      Accés obert
      Actual and future nuclear technologies require more accurate nuclear data on the (n, gamma) cross sections and -ratios of fissile isotopes. Their measurement presents several difficulties, mainly related to the strong ...

    • Measurement of the neutron capture cross sections of 233U, 237Np, 240,242Pu, 241,243Am and 245Cm with a total absorption calorimeter at n_TOF 

      Abbondanno, U.; Aerts, G.; Álvarez, F.; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Pretel Sánchez, Carme (2003-10-10)
      Report de recerca
      Accés obert
      Accurate and reliable neutron capture cross section data for actinides are necessary for the proper design, safety regulation and precise performance assessment of transmutation devices such as Fast Critical Reactors or ...

    • 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)
      Report de recerca
      Accés obert

    • Measurement of the neutron flux at the Canfranc underground laboratory with HENSA 

      Orrigo, Sonja; Taín Enríquez, José Luis; Mont i Geli, Nil; Tarifeño Saldivia, Ariel Esteban; Fraile, L. M.; Grieger, Marcel; Agramunt Ros, Jorge; Algora, Alejandro; Bemmerer, Daniel; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Blas del Hoyo, Alfredo de; Dillmann, Iris; Domínguez Bugarín, Araceli; García Sánchez, Roger; Nacher González, Enrique; Tolosa Delgado, Alvaro (Institute of Physics (IOP), 2021)
      Article
      Accés obert
      We have performed a long-term measurement of the neutron flux with the High Efficiency Neutron Spectrometry Array HENSA in the Hall A of the Canfranc Underground Laboratory. The Hall A measurement campaign lasted from ...

    • Measurement of the neutron-induced fission cross section of Th 230 at the CERN n_TOF facility 

      Michalopoulou, Veatriki; Stamatopoulos, A.; Diakaki, Maria; Tsinganis, Andrea; Vlastou, Roza; Kokkoris, M.; Patronis, N.; Eleme, Zinovia; Macina, Daniela; Tassan Got, Laurence; Colonna, Nicola; Chiaveri, E.; Ventura, Alberto; Calviño Tavares, Francisco; Casanovas Hoste, Adrià; Cortés Rossell, Guillem Pere; Tarifeño Saldivia, Ariel Esteban (American Physical Society, 2023-07-26)
      Article
      Accés obert
      The neutron-induced fission cross section of 230 Th has been measured at the neutron time-of-flight facility n_TOF located at CERN. The experiment was performed at the experimental area EAR-1 with a neutron flight path of ...

    • Measurement of the neutron-induced fission cross-section of 243Am relative to 235U from 0.5 to 20 MeV 

      Belloni, F.; Calviani, M.; Colonna, N.; Mastinu, P.; Milazzo, P.M.; Abbondanno, U.; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Poch Parés, Agustí; Pretel Sánchez, Carme (2011-12)
      Article
      Accés restringit per política de l'editorial
      The ratio of the neutron-induced fission cross-sections of 243Am and 235U was measured in the energy range from 0.5 to 20 MeV with uncertainties of ≈4%. The experiment was performed at the CERN n TOF facility using a ...

    • Measurement of the prompt fission y -rays from slow neutron-induced fission of 235 U with STEFF 

      Wright, Tobias; Smith, Alastair; Sosnin, Nikolay Viktorovich; Bennett, Sam; Davies, Paul John; Popescu, Alexandra; Ryan, Joanne; Sekhar, Adhitya; Warren, Saskia; Aberle, Oliver; Amaducci, Simone; Andrzejewski, Józef; Calviño Tavares, Francisco; Casanovas Hoste, Adrià; Cortés Rossell, Guillem Pere; Tarifeño Saldivia, Ariel Esteban (Springer, 2024-03-19)
      Article
      Accés obert
      The average energy and multiplicity of prompt y -rays from slow neutron-induced fission of 235 U have been measured using the STEFF spectrometer at the neutron time-of-flight facility n_TOF. The individual responses from ...

    • Measurement of the radiative capture cross section of the s-process branching points 204Tl and 171Tm at the n_TOF facility (CERN) 

      Casanovas Hoste, Adrià; Domingo-Pardo, C; Guerrero, C.; Calviño Tavares, Francisco; Tarifeño Saldivia, Ariel Esteban; Cortés Rossell, Guillem Pere (EPJ Web of Conferences, 2018)
      Text en actes de congrés
      Accés obert
      The neutron capture cross section of some unstable nuclei is especially relevant for s-process nucleosynthesis studies. This magnitude is crucial to determine the local abundance pattern, which can yield valuable information ...

    • Measurement of the radiative neutron capture cross section of 206Pb and its astrophysical implications 

      Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Poch Parés, Agustí; Pretel Sánchez, Carme (2007-10)
      Article
      Accés restringit per política de l'editorial
      The (n, γ ) cross section of 206Pb has been measured at the CERN n TOF facility with high resolution in the energy range from 1 eV to 620 keV by using two optimized C6D6 detectors. In the investigated energy interval ...

    • Measurement of the resonance capture cross section of 204,206-Pb and termination of the s-process 

      Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Poch Parés, Agustí; Pretel Sánchez, Carme (American Institute of Physics (AIP), 2005)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The neutron capture cross sections of 204;206Pb have been measured with high resolution at the n_TOF facility of CERN (Geneva) [5]. The neutron capture cross section of 204Pb is of particular relevance in astrophysics, since ...