Now showing items 41-60 of 94

  • Measurements of the 90,91,92,94,96-Zr(n, gamma) cross-sections at n TOF 

    Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Poch Parés, Agustí; Pretel Sánchez, Carme (Elsevier Science Publishers B.V. NORTH HOLLAND, 2004)
    Article
    Open Access
    Neutron capture cross sections of the 90,91,92,94,96Zr have been measured over the energy range from 1 eV to 1 MeV at the spallation neutron facility n TOF at CERN in 2003. The innovative features of the neutron beam, in ...
  • Measurements of the 90,91,92,94,96Zr(n,g) cross-sections at n_TOF 

    Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Poch Parés, Agustí; Pretel Sánchez, Carme (2005-07)
    Article
    Restricted access - publisher's policy
    Neutron capture cross sections of the 90,91,92,94,96Zr have been measured over the energy range from 1 eV to 1 MeV at the spallation neutron facility n TOF at CERN in 2003. The innovative features of the neutron beam, in ...
  • 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
    Open Access
    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 measurements at n_TOF of 237Np, 240Pu, 243Am, for the transmutation of nuclear waste 

    Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Poch Parés, Agustí; Pretel Sánchez, Carme (2006-03-13)
    Article
    Open Access
    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 ...
  • Neutron Capture Cross Section Measurements at n_TOF of 237Np, 240Pu and 243Am for the Transmutation of Nuclear Waste 

    Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Poch Parés, Agustí; Pretel Sánchez, Carme (American Institute of Physics (AIP), 2005)
    Conference report
    Restricted access - publisher's policy
    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 ...
  • Neutron capture cross section measurements for nuclear astrophysics at CERN n TOF 

    Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Poch Parés, Agustí; Pretel Sánchez, Carme (Elsevier Science Publishers B.V. NORTH HOLLAND, 2004)
    Article
    Restricted access - publisher's policy
    A series of neutron capture cross section measurements of interest to nuclear astrophysics have been recently performed at n TOF, the neutron spallation source operating at CERN. The low repetition frequency of the proton ...
  • Neutron capture cross section measurements for nuclear astrophysics at CERN n_TOF 

    Lopes, I.; Rudolf, G.; Lorusso, G.; Pretel Sánchez, Carme; Milazzo, P.M.; Benlliure, J.; Koehler, P.; Abbondanno, U.; Konovalov, V.; Aerts, G.; Krticka, M.; Álvarez-Velarde, F.; Lamboudis, C.; Alvarez-Pol, H.; Leeb, H.; Andriamonje, S.; Lindote, A.; Andrzejewski, J.; Baumann, P.; Becvar, F.; Ketlerov, V.; Kerveno, M.; Karadimos, D.; Kadi, Y.; Herrera-Martinez, A.; Herrera-Martinez, A.; Haight, Y.; Heil, M.; Kappeler, F.; Isaev, S.; Jericha, E.; Griesmaye, E.; Haas, B.; Gunsing, F.; Gallino, R.; Gonzalez-Romero, E.; Goverdovski, A.; Gramegna, F.; Ferreira-Marques, R.; Frais-Koelbl, H.; Furman, W.; Goncalves, I.; Ferrari, A.; Ferrant, L.; Embid-Segura, M.; Domingo-Pardo, C.; Duran, I.; David, S.; Dolfini, R.; Dababneh, S.; Dahlfors, N.; Couture, A.; Cox, J.; Poch Parés, Agustí; Wisshak, K.; Wiescher, M.; Vlachoudis, V.; Voss, F.; Plompen, A.; Wendler, H.; Ventura, A.; Villamarin, D.; Vincente, M.C.; Terlizzi, R.; Papaevangelou, T.; Vaz, P.; Vannini, G.; Cortés Rossell, Guillem Pere; Colonna, N.; Cennini, P.; Tassan-Got, L.; Chiaveri, E.; Tavora, L.; Chepel, V.; Tain, J.L.; Capote, R.; Rosetti, N.; Cano-Ott, D.; Reifarth, R.; Calviño Tavares, Francisco; Tagliente, G.; Badurek, G.; Berthoumieux, E.; Cortina, D.; Stephan, C.; Soares, J.C.; Rapp, W.; Salgado, J.; Rullhusen, P. (2005-07)
    Article
    Restricted access - publisher's policy
    A series of neutron capture cross section measurements of interest to nuclear astrophysics have been recently performed at n TOF, the neutron spallation source operating at CERN. The low repetition frequency of the proton ...
  • Neutron capture cross section measurements for nuclear astrophysics at n_TOF 

    Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Poch Parés, Agustí; Pretel Sánchez, Carme (2006)
    Conference report
    Open Access
    The neutron time of flight (n_TOF) facility at CERN is a neutron spallation source with a flight path of 187.5m. Intense proton bunches fromthe CERN PS with an energy of 20 GeV, an intensity of 7×1012 protons per pulse, ...
  • Neutron capture cross section of 232Th measured at the n TOF facility at CERN in the unresolved resonance region up to 1 MeV 

    Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Pretel Sánchez, Carme; Poch Parés, Agustí (2006-03)
    Article
    Restricted access - publisher's policy
    We have measured the neutron capture reaction yield of 232Th at the neutron time-of-flight facility n TOF at CERN in the energy range from 1 eV to 1 MeV. The average capture cross section has been extracted in the energy ...
  • Neutron capture cross section of (90)Zr: bottleneck in the s-process reaction flow 

    Tagliente, G.; Fujii, K.; Milazzo, P.M.; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Pretel Sánchez, Carme (2008-03-11)
    Article
    Restricted access - publisher's policy
    The neutron capture cross sections of the Zr isotopes have important implications in nuclear astrophysics and for reactor design. The small cross section of the neutron magic nucleus 90Zr, which accounts for more than ...
  • Neutron Capture cross section of 90Zr: Bottleneck in the s-process reaction flow 

    Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Poch Parés, Agustí; Pretel Sánchez, Carme (2008-03-11)
    Article
    Open Access
    The neutron capture cross sections of the Zr isotopes have important implications in nuclear astrophysics and for reactor design. The small cross section of the neutron magic nucleus 90Zr, which accounts for more than ...
  • Neutron capture measurement on the s-process termination isotopes lead and bismuth 

    Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Poch Parés, Agustí; Pretel Sánchez, Carme (2006)
    Conference report
    Open Access
    Resonance cross sections relevant for the termination of the s-process reaction path have been determined for 204,206,207Pb and 209Bi at the CERN neutron time-of-flight spectrometer n_TOF. Themeasurementswere carried out ...
  • Neutron capture measuremetns on minor actinides at the n_TOF facility at CERN: past, present and future 

    Cano Ott, Daniel; Colonna, Nicola; Tagliente, G.; Belloni, Fabio; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Poch Parés, Agustí; Pretel Sánchez, Carme (2011-08-12)
    Article
    Restricted access - publisher's policy
    The successful development of advanced nuclear systems for sustainable energy production and nuclear waste management depends on high quality nuclear data libraries. Recent sensitivity stud- ies and reports [1-3] have ...
  • Neutron cross section measurements at n_TOF for ADS related estudies 

    Cortés Rossell, Guillem Pere; Calviño Tavares, Francisco; Poch Parés, Agustí; Pretel Sánchez, Carme (2006)
    Article
    Open Access
    A neutron Time-of-Flight facility (n_TOF) is available at CERN since 2001. The innovative features of the neutron beam, in particular the high instantaneous flux, the wide energy range, the high resolution and the low ...
  • Neutron cross section measurements at n-TOF for ADS related studies 

    Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Poch Parés, Agustí; Pretel Sánchez, Carme (IOP Publishing. Institute of Physics, 2005)
    Conference report
    Open Access
    A neutron Time-of-Flight facility (n_TOF) is available at CERN since 2001. The innovative features of the neutron beam, in particular the high instantaneous flux, the wide energy range, the high resolution and the low ...
  • Neutron cross-section measurements at the n_TOF facility at CERN 

    Cortés Rossell, Guillem Pere; Calviño Tavares, Francisco; Pretel Sánchez, Carme; Poch Parés, Agustí (2004-01)
    Article
    Restricted access - publisher's policy
    A neutron Time-of-Flight facility (n_TOF)has recently become operative at CERN. The innovative features of the neutron beam, in particular the high instantaneous flux, the wide energy range, the high resolution and the ...
  • Neutron cross-section measurements in the Th-U cycle by the activation method 

    Cortés Rossell, Guillem Pere; Calviño Tavares, Francisco; Poch Parés, Agustí; Pretel Sánchez, Carme (2003-06-01)
    Article
    Restricted access - publisher's policy
    The 232Th(n,2n)231Th reaction cross-section was measured relative to the 56Fe(n,p)56Mn and 27Al(n,a)24Na reaction cross-sections with the activation method for neutron energies up to 11 MeV. Neutrons were produced by the ...
  • Neutron-induced Fission Cross Section of240,242Pu 

    Salvador Castiñeira, P.; Brys, Tomasz; Eykens, Roger; Hambsch, Franz Josef; Gook, A.; Oberstedt, Stephan; Pretel Sánchez, Carme; Sibbens, Geodele; Vanleeuw, David; Vidali, Marzio (2015)
    Conference report
    Open Access
    A sensitivity analysis for the new generation of fast reactors [Salvatores (2008)] has shown the importance of improved cross section data for several actinides. Among them, the240,242Pu(n,f) cross sections require ...
  • Neutron-induced fission cross section of 245-Cm: New results from data taken at the time-of-flight facility n_TOF 

    Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Poch Parés, Agustí; Pretel Sánchez, Carme (2012-03-29)
    Article
    Restricted access - publisher's policy
    The neutron-induced fission cross section of 245Cm was measured at n_TOF in a wide energy range and with high resolution. The energy dependence, measured in a single measurement from 30 meV to 1 MeV neutron energy, has ...
  • Neutron-induced fission cross section of nat-Pb and 209-Bi from threshold to 1 GeV: An improved parametrization 

    Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Poch Parés, Agustí; Pretel Sánchez, Carme (2011-04-28)
    Article
    Restricted access - publisher's policy
    Neutron-induced fission cross sections for natPb and 209Bi were measured with a white-spectrum neutron source at theCERNNeutron Time-of-Flight (n TOF) facility. The experiment, using neutrons from threshold up to 1 GeV, ...