Exploració per autor "Andrzejewski, Józef"

Ara es mostren els items 41-54 de 54

    • Nuclear data for the thorium fuel cycle and the transmutation of nuclear waste 

      Gunsing, Frank; Altstadt, Sebastian; Andrzejewski, Józef; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere (Springer, 2016)
      Capítol de llibre
      Accés restringit per política de l'editorial
      Neutron-induced reaction cross sections play an important role in a wide variety of research fields, ranging from stellar nucleosynthesis, the investigation of nuclear level density studies, to applications of nuclear ...

    • Nuclear data measurements at the upgraded neutron time-of-flight facility n-TOF at CERN 

      Gunsing, Frank; Aberle, O.; Andrzejewski, Józef; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere (2015)
      Text en actes de congrés
      Accés obert
      Applications of nuclear data like neutron-induced reaction cross sections are related to research fields as stellar nucleosynthesis, the study of nuclear level densities and strength functions, and also play a key role in ...

    • Radiative neutron capture cross-section measurement of ge isotopes at n_TOF CERN facility and its importance for stellar nucleosynthesis 

      Gawlik Ramiega, Aleksandra; Lederer-Woods, C.; Andrzejewski, Józef; Battino, U.; Mingrone, Federica; Weiss, Christina; Aberle, O.; Audouin, Ludmila; Bacak, Michael; Balibrea-Correa, J.; Barbagallo, Massimo; Barros, S.; Bécares, Vicente; Becvar, F.; Calviño Tavares, Francisco; Casanovas Hoste, Adrià; Cortés Rossell, Guillem Pere (2021-04-01)
      Article
      Accés obert
      This manuscript summarizes the results of radiative neutron capture cross-section measurements on two stable germanium isotopes, 70Ge and 73Ge. Experiments were performed at the n_TOF facility at CERN via the time-of-flight ...

    • Recent results in nuclear astrophysics at the n_TOF facility at CERN 

      Aberle, O.; Andrzejewski, Józef; Audouin, Ludmila; Calviño Tavares, Francisco; Casanovas Hoste, Adrià; Cortés Rossell, Guillem Pere; Tarifeño Saldivia, Ariel Esteban (PoS - Proceedings of Science, 2016)
      Text en actes de congrés
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      The neutron time of flight (n_TOF) facility at CERN is a spallation source characterized by a white neutron spectrum. The innovative features of the facility, in the two experimental areas, (20 m and 185 m), allow for an ...

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

    • Study of 234U(n,f) resonances measured at the CERN n TOF facility 

      Tarrío, D.; Audouin, Ludmila; Tassan Got, Laurence; Abbondanno, U.; Andriamonje, S.; Andrzejewski, Józef; Badurek, G.; Becvar, Zdenek; Berthoumieux, Eric; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Pretel Sánchez, Carme (2014-05-01)
      Article
      Accés restringit per política de l'editorial
      We present the analysis of the resolved resonance region for the 234U(n,f) cross section data measured at the CERN n TOF facility. The resonance parameters in the energy range from 1 eV to 1500 eV have been obtained with ...

    • Study of the photon strength function of 152SM in resonance neutron capture at n-TOF 

      Marrone, S.; Colonna, Nicola; Krticka, M.; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Alvarez Pol, Héctor; Alvarez Velarde, Francisco; Andrzejewski, Józef; Audouin, Ludmila; Berthoumieux, Eric; Capdevila Paramio, Roser; Poch, Agustí; Pretel Sánchez, Carme (PoS - Proceedings of Science, 2018)
      Text en actes de congrés
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      The Photon Strength Function of 152Sm has been investigated at nTOF by studying the ¿-ray spectra from resonance neutron capture of 151Sm. The experimental apparatus consisted of two C6D6 liquid scintillator detectors. The ...

    • The (n,alpha) reaction in the s-process branching point 59Ni 

      Weiß, C.; Griesmayer, E.; Andrzejewski, Józef; Badurek, G.; Dressler, Rugard; Koehler, Paul E.; Lederer, Claudia; 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
      The (n,alpha) reaction in the radioactive 59Ni is of relevance in nuclear astrophysics as 59Ni can be considered as the first branching point in the astrophysical s-process. Its relevance in nuclear technology is especially ...

    • The CERN n TOF facility: neutron beams performances for cross section measurements 

      Altstadt, Sebastian; Andrzejewski, Józef; Audouin, Ludmila; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Gómez Hornillos, María Belén; Hernández Prieto, Álvaro; Riego Pérez, Albert (2014-05-01)
      Article
      Accés restringit per política de l'editorial
      This paper presents the characteristics of the existing CERN n TOF neutron beam facility (n TOF-EAR1 with a flight path of 185 meters) and the future one (n TOF EAR-2 with a flight path of 19 meters), which will operate ...

    • The CERN n_TOF facility: a unique tool for nuclear data measurement 

      Mingrone, Federica; Aberle, O.; Andrzejewski, Józef; Audouin, Ludmila; Bécares, Vicente; Bacak, M.; Barbagallo, Massimo; Barros, S.; Becvar, F.; Beinrucker, C.; Berthoumieux, Eric; Billowes, J.; Calviño Tavares, Francisco; Casanovas Hoste, Adrià; Cortés Rossell, Guillem Pere (2015)
      Text en actes de congrés
      Accés obert
      The study of the resonant structures in neutron-nucleus cross-sections, and therefore of the compoundnucleus reaction mechanism, requires spectroscopic measurements to determine with high accuracy the energy of the neutron ...

    • The measurement programme at the neutron time-of-flight facility n TOF at CERN 

      Gunsing, Frank; Aberle, O.; Andrzejewski, Józef; Calviño Tavares, Francisco; Casanovas Hoste, Adrià; Cortés Rossell, Guillem Pere; Tarifeño Saldivia, Ariel Esteban (EDP Sciences, 2016)
      Comunicació de congrés
      Accés obert
      Neutron-induced reaction cross sections are important for a wide variety of research fields ranging from the study of nuclear level densities, nucleosynthesis to applications of nuclear technology like design, and criticality ...

    • The n TOF facility: Neutron beams for challenging future measurements at CERN 

      Chiaveri, E.; Aberle, O.; Andrzejewski, Józef; Calviño Tavares, Francisco; Casanovas Hoste, Adrià; Cortés Rossell, Guillem Pere; Tarifeño Saldivia, Ariel Esteban (EDP Sciences, 2016)
      Comunicació de congrés
      Accés obert
      The CERN n TOF neutron beam facility is characterized by a very high instantaneous neutron flux, excellent TOF resolution at the 185m long flight path (EAR-1), low intrinsic background and coverage of a wide range of neutron ...

    • The neutron time-of-flight facility n_TOF at CERN: Phase II 

      Gunsing, Frank; Andriamonje, S.; Andrzejewski, Józef; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere (American Institute of Physics (AIP), 2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Neutron-induced reactions are studied at the neutron time-of-flight facility n_TOF at CERN. The facility uses 6~ns wide pulses of 20 GeV/c protons impinging on a lead spallation target. The large neutron energy range and ...

    • The Nuclear astrophysics program at n_TOF (CERN) 

      Colonna, Nicola; Aberle, O.; Andrzejewski, Józef; Calviño Tavares, Francisco; Casanovas Hoste, Adrià; Cortés Rossell, Guillem Pere; Tarifeño Saldivia, Ariel Esteban (EDP Sciences, 2018)
      Text en actes de congrés
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      An important experimental program on Nuclear Astrophysics is being carried out at the n_TOF since several years, in order to address the still open issues in stellar and primordial nucleosynthesis. Several neutron capture ...