Browsing by Author "Andrzejewski, Józef"

Now showing items 21-40 of 59

    • Measurement of the 238U radiative capture cross section with C6D6 at the CERN n TOF facility 

      Mingrone, Federica; Altstadt, Sebastian; Andrzejewski, Józef; Audouin, Ludmila; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Riego Pérez, Albert (2014-05-01)
      Article
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      We present the preliminary results of the U-238(n,gamma) reaction cross section measurement, performed on April 2012 at the CERN n TOF facility using C6D6 scintillation detectors over an energy range from thermal to 1 MeV. ...

    • Measurement of the 24,25,26Mg(n, gamma) reaction cross-section at n-TOF 

      Massimi, Cristian; Andriamonje, S.; Andrzejewski, Józef; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Gómez Hornillos, María Belén (PoS - Proceedings of Science, 2010)
      Conference report
      Open Access
      We have measured the neutron-induced capture cross-section of the importants-process isotopesof magnesium. The measurement has been performed at the neutron time-of-flight facility n_TOFat CERN. From a preliminary analysis ...

    • 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)
      Article
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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 Enríquez, José Luis; 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 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
      Open Access
      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
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      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 cross section at the n_TOF facility at CERN 

      Gawlik Ramiega, Aleksandra; Battino, U.; Andrzejewski, Józef; Aberle, O.; Audouin, Ludmila; Bacak, Michael; Balibrea-Correa, J.; Barbagallo, Massimo; Barros, S.; Bécares, Vicente; Becvar, F.; Beinrucker, C.; Berthoumieux, Eric; Billowes, J.; Calviño Tavares, Francisco; Bosnar, Damir (American Physical Society, 2021-10-01)
      Article
      Open Access
      The 76 Ge ( n , ¿ ) reaction has been measured at the n_TOF facility at CERN via the time-of-flight technique. Neutron capture cross sections on 76 Ge are of interest to a variety of low-background experiments, such as ...

    • 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
      Open Access
      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 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 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
      Open Access
      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 Se 78 (n,y) Se 79 cross section up to 600 keV at the n_TOF facility at CERN 

      Sosnin, Nikolay Viktorovich; Lederer Woods, Claudia; Garg, R.; Battino, Umberto; Cristallo, Sergio; Dietz, Mirco; Heinitz, S.; Krticka, Milan; Reifarth, R.; Valenta, S.; Vescovi, Diego; Aberle, Oliver; Alcayne Aicua, Víctor; Amaducci, Simone; Andrzejewski, Józef; Bécares, Vicente; Babiano Suárez, Víctor; Bacak, Michael; Calviño Tavares, Francisco; Casanovas Hoste, Adrià; Cortés Rossell, Guillem Pere; Tarifeño Saldivia, Ariel Esteban (American Physical Society (APS), 2024-12-17)
      Article
      Open Access
      The 78Se¿(¿,¿)¿79Se cross section has a high impact on the abundances of 78Se produced during the slow neutron capture process (¿ process) in massive stars. A measurement of the 78Se radiative neutron capture cross section ...

    • Measurement of the Yb 176 (n,y) cross section at the n_TOF facility at CERN 

      García Infantes, Francisco; Praena Rodríguez, Javier; Casanovas Hoste, Adrià; Henkelmann, Richard; Köster, Ulli; Aberle, Oliver; Alcayne Aicua, Víctor; Altieri, Saverio; Amaducci, Simone; Amar Es-Sghir, Hamza; Andrzejewski, Józef; Babiano Suárez, Víctor; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Tarifeño Saldivia, Ariel Esteban (American Physical Society (APS), 2024-12-27)
      Article
      Open Access
      Background: The 176Yb¿(¿,¿)¿177Yb¿177Lu reaction is of interest in nuclear medicine as it is the preferred production route for 177Lu. This radioisotope has seen a very fast growth of usage in nuclear medicine in recent ...

    • 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 ...

    • Multi-section fission ionization chamber for measurement of 239 Pu (n, y) reaction in fission tagging method 

      Perkowski, Jaroslaw; Alcayne Aicua, Víctor; Andrzejewski, Józef; Cano Ott, Daniel; Gawlik Ramiega, Aleksandra; Mendoza, Emilio; Sánchez Caballero, Adrián; Sibbens, Geodele; Vanleeuw, David; Aberle, Oliver; Altieri, Saverio; Amaducci, Simone; Babiano Suárez, Víctor; Bacak, Michael; Balibrea Correa, Javier; Calviño Tavares, Francisco; Casanovas Hoste, Adrià; Cortés Rossell, Guillem Pere; Tarifeño Saldivia, Ariel Esteban (2024-10-01)
      Article
      Open Access
      The 239 Pu (n, y) reaction cross section is very important for operation of both thermal and fast reactors, when loaded with MOX fuels. According to the NEA/OECD High Priority Request List the precision of cross section ...

    • Neutron capture cross section measurements of 238U, 241Am and 243Am at n_TOF 

      Andriamonje, S.; Andrzejewski, Józef; Audouin, Ludmila; Calviño Tavares, Francisco (2009-04-20)
      Research report
      Open Access
      The increase of the world energy demand and the need of low carbon energy sources have triggered the renaissance and/or enhancement of nuclear energy in many countries. Fundamental nuclear physics can contribute in a ...

    • Neutron research at the N_TOF facility (CERN): Results and perspectives 

      Altstadt, Sebastian; Colonna, Nicola; Andrzejewski, Józef; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere (American Institute of Physics (AIP), 2013)
      Conference report
      Restricted access - publisher's policy
      n the first ten years of operation, the neutron time-of-flight facility n_TOF at CERN has produced a large body of new and accurate data on neutron capture and fission cross sections, relevant to Nuclear Astrophysics and ...

    • Neutron spectroscopy of 26Mg states: constraining the stellar neutron source 22Ne(alpha, n) 25Mg 

      Massimi, Cristian; Altstadt, Sebastian; Andrzejewski, Józef; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere (Elsevier, 2017-02-16)
      Article
      Open Access
      This work reports on accurate, high-resolution measurements of the 25Mg(n, gamma )26Mg and 25Mg(n, tot) cross sections in the neutron energy range from thermal to about 300 keV, leading to a significantly improved 25Mg(n, ...

    • Neutron-induced fission cross sections of Th 232 and U 233 up to 1 GeV using parallel plate avalanche counters at the CERN n_TOF facility 

      Tarrío, Diego; Tassan Got, Laurence; Durán, I.; Leong, L.S.; Paradela Dobarro, Carlos; Audouin, Ludmila; Leal-Cidoncha, E.; Le Naour, Claire; Caamaño Fresco, Manuel; Ventura, Alberto; Altstadt, Sebastian; Andrzejewski, Józef; Barbagallo, Massimo; Bécares, Vicente; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Gómez Hornillos, María Belén; Riego Pérez, Albert (American Physical Society, 2023-04-01)
      Article
      Open Access
      The neutron-induced fission cross sections of 232 Th and 233 U were measured relative to 235 U in a wide neutron energy range up to 1 GeV (and from fission threshold in the case of 232 Th , and from 0.7 eV in case of 233 ...