Exploració per autor "Poch Parés, Agustí"Més informació

Ara es mostren els items 41-60 de 71

    • 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
      Accés restringit per política de l'editorial
      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 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
      Accés obert
      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)
      Text en actes de congrés
      Accés obert
      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
      Accés restringit per política de l'editorial
      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 studies 

      Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Poch Parés, Agustí; Pretel Sánchez, Carme (IOP Publishing. Institute of Physics, 2005)
      Text en actes de congrés
      Accés obert
      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 estudies 

      Cortés Rossell, Guillem Pere; Calviño Tavares, Francisco; Poch Parés, Agustí; Pretel Sánchez, Carme (2006)
      Article
      Accés obert
      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
      Accés restringit per política de l'editorial
      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
      Accés restringit per política de l'editorial
      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 physics of the Re/Os clock. I. Measurement of the (n,gamma ) cross sections of 186,187,188Os at the CERN n TOF facility 

      Cortés Rossell, Guillem Pere; Calviño Tavares, Francisco; Poch Parés, Agustí; Pretel Sánchez, Carme (2010-07-15)
      Article
      Accés obert
      The precise determination of the neutron capture cross sections of 186Os and 187Os is important to define the s-process abundance of 187Os at the formation of the solar system. This quantity can be used to evaluate ...

    • Neutron physics of the Re/Os clock. III. Resonance analyses and stellar (n,gamma) cross sections of 186,187,188-Os 

      Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Poch Parés, Agustí; Pretel Sánchez, Carme (2010-07-15)
      Article
      Accés obert
      Neutron resonance analyses have been performed for the capture cross sections of 186Os, 187Os, and 188Os measured at the n TOF facility at CERN. Resonance parameters have been extracted up to 5, 3, and 8 keV, respectively, ...

    • Neutron reactions and nuclear cosmo-chronology 

      Tagliente, G.; Taín Enríquez, José Luis; Ketlerov, V.; Tassan-Got, L.; Tavora, L.; Konovalov, V.; Salgado, J.; Koehler, P.; Sarchiapone, L.; Krticka, M.; Savvidis, I.; Rauscher, T.; Reifarth, R.; Plompen, A.; Perrot, L.; Pavlopoulos, P.; Papadopoulos, C.; Paradela, C.; Patronis, N.; Pavlik, A.; O'Brien, S.; Baumann, P.; Pancin, J.; Papachristodoulou, C.; Neves, F.; Moreau, C.; Oshima, M.; Oberhummer, H.; Berthoumieux, E.; Becvar, F.; Mastinu, P.F.; Milazzo, P.M.; Badurek, G.; Marques, L.; Audouin, L.; Marrone, S.; Assimakopoulos, P.; Lukic, S.; Andrzejewski, J.; Marganiec, J.; Kossionides, E.; Andriamonje, S.; Álvarez-Velarde, F.; Álvarez-Pol, H.; Bisterzo, S.; Lozano, M; Lopes, I.; Lindote, A.; Leeb, H.; Lamboudis, C.; Stephan, C.; Vannini, G.; Vaz, P.; Abbondanno, U.; Isaev, S.; Mosconi, M.; Jericha, E.; Heil, M.; Kadi, Y.; Kappeler, F.; Karamanis, D.; Mengoni, A.; Karadimos, D.; Plag, R.; Kerveno, M.; Fujii, K.; Aerts, G.; Terlizzi, R.; Wendler, H.; Wiescher, M.; Voss, F.; Walter, S.; Igashira, M.; Vlachoudis, V.; Herrera-Martinez, A.; Vlastou, R.; Haight, R.; Villamarin, D.; Haas, B.; Vincente, M.C.; Wisshak, K.; Goverdovski, A.; Ventura, A.; Gramegna, F.; Goncalves, I.; Gonzalez-Romero, E.; Gunsing, F.; Griesmayer, E.; Guerrero, C.; Embid-Segura, M.; Ferrari, A.; Ferrant, L.; Domingo-Pardo, C.; Dridi, W.; Duran, I.; Eleftheriadis, C.; Dahlfors, M.; David, S.; Dillmann, I.; Dolfini, R.; Cox, J.; Couture, A.; Colonna, N.; Chiaveri, E.; Cortés Rossell, Guillem Pere; Cennini, P.; Chepel, V.; Capote, R.; Carrillo de Albornoz, A.; Calviño Tavares, Francisco; Cano-Ott, D.; Rullhusen, P.; Rudolf, G.; Pretel Sánchez, Carme; Quesada, J.; Plukis, A.; Poch Parés, Agustí; Rosetti, M.; Rubbia, C. (2007-07)
      Article
      Accés restringit per política de l'editorial
      The -decay of 187Re (t1/2 = 42.3 Gyr) represents a suited cosmo-chronometer for the age of the r-process abundances, since the radiogenic part of the daughter isotope 187Os is defined by the difference between the solar ...

    • Neutron resonance spectroscopy at n TOF at CERN 

      Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Poch Parés, Agustí; Pretel Sánchez, Carme (EDP Sciences, 2007)
      Text en actes de congrés
      Accés obert
      Neutron resonance spectroscopy plays an important role in the investigation of neutron induced reaction cross sections and nuclear structure in the MeV excitation range. Neutron time-of-flight facilities are the most used ...

    • 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
      Accés restringit per política de l'editorial
      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
      Accés restringit per política de l'editorial
      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, ...

    • Neutron-induced fission cross section of U-234 and Np-237 measured at the CERN Neutron Time-of-Flight (n_TOF) facility 

      Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Poch Parés, Agustí; Pretel Sánchez, Carme (2010-09-08)
      Article
      Accés restringit per política de l'editorial

    • Neutron-induced fission cross sections of 233-U and 243-Am in the energy range 0.5 Mev< En < 20 MeV @ n_TOF 

      Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Poch Parés, Agustí; Pretel Sánchez, Carme (2009)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Neutron-induced fission cross-sections of actinides have been recently measured at the neutron time of flight facility n_TOF at CERN in the frame of a research project involving isotopes relevant for nuclear astrophysics ...

    • Neutron-induced fission cross-section of U-233 in the energy range 0.5 < E-n < 20 MeV 

      Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Poch Parés, Agustí; Pretel Sánchez, Carme (2011-01)
      Article
      Accés restringit per política de l'editorial
      The neutron-induced fission cross-section of 233U has been measured at the CERN n TOF facility relative to the standard fission cross-section of 235U between 0.5 and 20MeV. The experiment was performed with a fast ...

    • New measurement of neutron capture resonances in Bi-209 

      Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Poch Parés, Agustí; Pretel Sánchez, Carme (2006-08)
      Article
      Accés obert
      The neutron capture cross section of 209Bi has been measured at the CERN n TOF facility by employing the pulse-height-weighting technique. Improvements over previous measurements are mainly because of an optimized detection ...

    • Nuclear physics for the Re/Os clock 

      Ventura, A.; Villamarin, D.; Lamboudis, C.; Vincente, M.C.; Vlachoudis, V.; Lindote, A.; Tassan-Got, L.; Leeb, H.; Tavora, L.; Lozano, M.; Vannini, G.; Carrapico, C.; Cennini, P.; Cano-Ott, D.; Capote, R.; Becvar, F.; Calviani, M.; Taín Enríquez, José Luis; Tagliente, G.; Rullhusen, P.; Salgado, J.; Stephan, C.; Rubbia, C.; Rudolf, G.; Savvidis, I.; Santos, C.; Sarchiapone, L.; Reifarth, R.; Rauscher, T.; Quesada, J.; Plompen, A.; Poch Parés, Agustí; Plukis, A.; Pretel Sánchez, Carme; Paradela, C.; Pavlopoulos, P.; Perrot, L.; Pigni, M.T.; Papadopoulos, C.; Pavlik, A.; Patronis, N.; Baumann, P.; Badurek, G.; Pancin, J.; Audouin, L.; Papachristodoulou, C.; Assimakopoulos, P.; Andriamonje, S.; Oberhummer, H.; Andrzejewski, J.; O'Brien, S.; Milazzo, P.M.; Álvarez-Velarde, H.; Neves, F.; Álvarez, H.; Abbondanno, U.; Gallino, R.; Calviño Tavares, Francisco; Mastinu, P.; Massimi, C.; Lopes, I.; Marrone, S.; Marganiec, J.; Lukic, S.; Vaz, P.; Vlastou, R.; Voss, F.; Terlizzi, R.; Karadimos, D.; Mosconi, M.; Karamanis, D.; Heil, M.; Kerveno, M.; Kappeler, F; Koehler, P.; Plag, R.; Kossionides, E.; Mengoni, A.; Krticka, M.; Fujii, K.; Domingo-Pardo, C.; Aerts, G.; Kadi, Y.; The n_TOF Collaboration; Jericha, E.; Igashira, M.; Wiescher, M.; Herrera-Martinez, A.; Wisshak, K.; Gramegna, F.; Walter, S.; Guerrero, C.; Goncalves, I.; Gonzalez-Romero, E.; Haight, R.; Gunsing, F.; Haas, B.; Ferrari, A.; Furman, W.; Ferreira-Marques, R.; Duran, I.; Eleftheriadis, C.; Embid-Segura, M.; Ferrant, L.; Dahlfors, M.; David, S.; Dillmann, I.; Dridi, W.; Cox, J.; Couture, A.; Cortés Rossell, Guillem Pere; Chepel, V.; Colonna, N. (2008-01)
      Article
      Accés restringit per política de l'editorial
      Dating the age of the universe by the β-decay of 187Re (t1/2 = 41.2 Gyr) requires the accurate assessment of the s-process reaction flow. The daughter nucleus 187Os as well as its immediate s-only neighbor 186Os are ...

    • Resonance capture cross section of Pb-207 

      Sarchiapone, L.; Savvidis, I.; Kerveno, M.; Stephan, C.; Tagliente, G.; Koehler, P.; Rubbia, C.; Ketlerov, V.; Rudolf, G.; Kossionides, E.; Rullhusen, P.; Goncalves, I.; Gallino, R.; Ferreira-Marques, R.; Fitzpatrick, L.; Frais-Koelbl, H.; Fujii, K.; Eleftheriadis, C.; Embid-Segura, M.; Ferrant, L.; Ferrari, A.; Poch Parés, Agustí; Duran, I.; Dridi, W.; Dolfini, R.; David, S.; Dillmann, I.; Cox, J.; Dahlfors, M.; Colonna, N.; Couture, A.; Chiaveri, E.; Perrot, L.; Cortés Rossell, Guillem Pere; Rosetti, M.; Reifarth, R.; Plompen, A.; Plag, R.; Quesada, J.; Rauscher, T.; Pretel Sánchez, Carme; Plukis, A.; Pavlopoulos, P.; Pavlik, A.; Patronis, N.; Mosconi, M.; Pancin, J.; Wisshak, K.; Papachristodoulou, C.; Wiescher, M.; Papadopoulos, C.; Paradela, C.; The nTOF Collaborat; Oberhummer, H.; Oshima, M.; O'Brien, S.; Wendler, H.; Moreau, C.; Milazzo, P.M.; Neves, F.; Voss, F.; Cennini, P.; Carrapico, C.; Mastinu, P.; Capote, R.; Mengoni, A.; Cano-Ott, D.; Marganiec, J.; Bisterzo, S.; Konovalov, V.; Marrone, S.; Calviño Tavares, Francisco; Lozano, M.; Berthoumieux, E.; Lukic, S.; Becvar, F.; Baumann, P.; Badurek, G.; Chepel, V.; Lopes, I.; Salgado, J.; Lindote, A.; Leeb, H.; Lamboudis, C.; Krticka, M.; Taín Enríquez, José Luis; Tassan-Got, L.; Audouin, L.; Isaev, S.; Domingo-Pardo, C.; Jericha, E.; Abbondanno, U.; Kadi, Y.; Aerts, G.; Kaeppeler, F.; Álvarez-Pol, H.; Karamanis, D.; Álvarez-Velarde, F.; Karadimos, D.; Andriamonje, S.; Andrzejewski, J.; Assimakopoulos, P.; Vlachoudis, V.; Vlastou, R.; Villamarin, D.; Vincente, M.C.; Igashira, M.; Vaz, P.; Herrera-Martinez, A.; Ventura, A.; Heil, M.; Terlizzi, R.; Haight, R.; Vannini, G.; Walter, S.; Gramegna, F.; Tavora, L.; Griesmayer, E.; Gonzalez-Romero, E.; Goverdovski, A.; Haas, B.; Guerrero, C.; Gunsing, F.; Furman, W. (2006-11)
      Article
      Accés restringit per política de l'editorial
      The radiative neutron capture cross section of 207Pb has been measured at the CERN neutron time of flight installation n TOF using the pulse height weighting technique in the resolved energy region. The measurement has ...