Ara es mostren els items 21-40 de 181

  • Characterization of the n TOF EAR-2 neutron beam 

    Chen, Y.L.; Tassan Got, Laurence; Audouin, Ludmila; Calviño Tavares, Francisco; Casanovas Hoste, Adrià; Cortés Rossell, Guillem Pere (EDP Sciences, 2016)
    Comunicació de congrés
    Accés obert
    The experimental area 2 (EAR-2) at CERNs neutron time-of-flight facility (n TOF), which is operational since 2014, is designed and built as a short-distance complement to the experimental area 1 (EAR-1). The Parallel Plate ...
  • Commissioning of the BRIKEN beta-delayed neutron detector for the study of exotic neutron-rich nuclei 

    Tolosa-Delgado, Alvaro; Agramunt Ros, Jorge; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Tarifeño Saldivia, Ariel Esteban (EDP Sciences, 2018)
    Comunicació de congrés
    Accés obert
    Beta-delayed neutron emission (Beta-n) is a form of radioactive decay in which an electron, an anti-neutrino and one or more neutrons are emitted. This process arises if the energy window of the decay Q_Beta is greater ...
  • Commissionning of the n_TOF-Ph2 facility 

    Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Gómez Hornillos, María Belén (2010)
    Comunicació de congrés
    Accés obert
    The white spectrum neutron time-of-flight facility n_TOF is operating at CERN since 2001. The neutron beam has a very high instantaneous flux and high resolution in energy and it is delivered in the experimental area ...
  • Conceptual design of a hybrid neutron-gamma detector for study of ß-delayed neutrons at the RIB facility of RIKEN 

    Tarifeño Saldivia, Ariel Esteban; Taín, J.L.; Domingo Pardo, César; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Phong, V.H.; Riego Pérez, Albert; Agramunt Ros, Jorge; Algora, A. (2017-04-07)
    Article
    Accés obert
    The conceptual design of the BRIKEN neutron detector at the radioactive ion beam factory (RIBF) of the RIKEN Nishina Center is reported. The BRIKEN setup is a complex system aimed at detecting heavy-ion implants, ß particles, ...
  • Conceptual design of the BRIKEN detector: A hybrid neutron-gamma detection system for nuclear physics at the RIB facility of RIKEN 

    Tarifeño Saldivia, Ariel Esteban; Taín, J.L.; Domingo-Pardo, C; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere (2016-06-16)
    Report de recerca
    Accés obert
    BRIKEN is a complex detection system to be installed at the RIB-facility of the RIKEN Nishina Center. It is aimed at the detection of heavy-ion implants, ß-particles, ¿-rays and ß-delayed neu- trons. The whole detection ...
  • Dissemination of data measured at the CERN n TOF facility 

    Dupont, E.; Otuka, N.; Cabellos, O.; Calviño Tavares, Francisco; Casanovas Hoste, Adrià; Cortés Rossell, Guillem Pere; Tarifeño Saldivia, Ariel Esteban (EDP Sciences, 2016)
    Comunicació de congrés
    Accés obert
    The n TOF neutron time-of-flight facility at CERN is used for high quality nuclear data measurements from thermal energy up to hundreds of MeV. In line with the CERN open data policy, the n TOF Collaboration takes actions ...
  • Erratum: 62Ni(n,¿) and 63Ni(n,¿ ) cross sections measured at the n_TOF facility at CERN 

    Lederer, Claudia; Massimi, Cristian; Berthoumieux, Eric; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Gómez Hornillos, María Belén; Riego Pérez, Albert (2015-07-23)
    Article
    Accés restringit per política de l'editorial
  • Experimental challenges for the Re/Os clock 

    Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Poch Parés, Agustí; Pretel Sánchez, Carme (2006)
    Text en actes de congrés
    Accés obert
    The stellar neutron capture cross sections of 186Os and 187Os are fundamental for the Re/Os cosmo-chronometer since they are de ning the s-process abundance of 187Os. Subtraction of the s-component from the solar 187Os ...
  • Experimental neutron capture data of 58Ni from the CERN n_TOF facility 

    Žugec, Petar; Barbagallo, Massimo; Colonna, Nicola; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Riego Pérez, Albert (EDP Sciences, 2015)
    Comunicació de congrés
    Accés obert
    The neutron capture cross section of 58Ni was measured at the neutron time of flight facility n_TOF at CERN, from 27 meV to 400 keV neutron energy. Special care has been taken to identify all the possible sources of ...
  • Experimental neutron capture data of 58Ni from the CERN n_TOF facility 

    Zugec, P.; Barbagallo, M.; Colonna, Nicola; Bosnar, D.; Altstadt, S.; Andrzejewski, J.; Audouin, L.; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Gómez Hornillos, María Belén; Riego Pérez, Albert (2014-01-09)
    Article
    Accés restringit per política de l'editorial
    The 58Ni(n,γ ) cross section has been measured at the neutron time of flight facility n_TOF at CERN, in the energy range from 27 meV up to 400 keV. In total, 51 resonances have been analyzed up to 122 keV. Maxwellian ...
  • Experimental setup and procedure for the measurement of the 7Be(n,alpha)alpha reaction at n_TOF 

    Cosentino, L.; Musumarra, A.; Barbagallo, Massimo; Calviño Tavares, Francisco; Casanovas, Adria; Cortés Rossell, Guillem Pere; Riego Pérez, Albert; Tarifeño Saldivia, Ariel Esteban (2016-09-11)
    Article
    Accés obert
    The newly built second experimental area EAR2 of the n_TOF spallation neutron source at CERN allows to perform (n, charged particles) experiments on short-lived highly radioactive targets. This paper describes a detection ...
  • Experimental setup and procedure for the measurement of the 7Be(n,p)7Li reaction at n_TOF 

    Barbagallo, Massimo; Andrzejewski, Józef; Mastromarco, M.; Calviño Tavares, Francisco; Casanovas Hoste, Adrià; Cortés Rossell, Guillem Pere; Tarifeño Saldivia, Ariel Esteban (2018-04-11)
    Article
    Accés obert
    Following the completion of the second neutron beam line and the related experimental area (EAR2) at the n_TOF spallation neutron source at CERN, several experiments were planned and performed. The high instantaneous neutron ...
  • Experimental study of the 91Zr(n, gamma ) reaction up to 26 keV 

    Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Poch Parés, Agustí; Pretel Sánchez, Carme (2008-10)
    Article
    Accés restringit per política de l'editorial
    The neutron capture cross sections of the Zr isotopes are relevant to studies in nuclear structure, nuclear astrophysics, and nuclear technology. The valence neutron of 91Zr with respect to the neutron magic nucleus 90Zr ...
  • Experiments with neutron beams for the astrophysical s process 

    Lederer, Claudia; Altstadt, Sebastian; Andrzejewski, Józef; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Gómez Hornillos, María Belén (Institute of Physics (IOP), 2013)
    Text en actes de congrés
    Accés obert
    Neutron capture cross sections are the key nuclear physics input to study the slow neutron capture process, which is responsible for forming about half of the elemental abundances above Fe. Stellar neutron capture cross ...
  • First determination of ß -delayed multiple neutron emission beyond A=100 through direct neutron measurement: the P2n value of Sb 136 

    Caballero-Folch, R.; Dillmann, Iris; Agramunt Ros, Jorge; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Riego Pérez, Albert; Salvador Castiñeira, Paula Genoveva; Tarifeño Saldivia, Ariel Esteban (American Physical Society (APS), 2018-09-10)
    Article
    Accés obert
    Background: ß-delayed multiple neutron emission has been observed for some nuclei with A=100, being the 100Rb the heaviest ß2n emitter measured to date. So far, only 25P2n values have been determined for the ˜300 nuclei ...
  • First evidence of multiple ß-delayed neutron emission for isotopes with A > 100 

    Caballero-Folch, R.; Dillmann, I.; Agramunt Ros, Jorge; Tan, J.L.; Domingo Pardo, César; Äystö, J.; Calviño Tavares, Francisco; Canete, L.; Eronen, T.; Ganioglu, E.; Gelletly, W.; Gorelov, D.; Guadilla, V.; Hakala, J.; Jokinen, A.; Kankainen, A.; Kolhinen, V.S.; Koponen, J.; Marta, M.; Mendoza Cembrano, Emilio; Montaner Piza, A.; Moore, I.; Nobs, Ch.; Orrigo, S.; Penttila, H.; Pohjalainen, I.; Reinikainen, J.; Riego Pérez, Albert; Rinta-Antila, S.; Rubio, B.; Salvador Castiñeira, Paula Genoveva; Simutkin, V.; Voss, A.; Cortés Rossell, Guillem Pere (2017-03-01)
    Article
    Accés obert
    The beta-delayed neutron emission probability, P-n, of very neutron-rich nuclei allows us to achieve a better understanding of the nuclear structure above the neutron separation energy, S-n. The emission of neutrons can ...
  • First measurement of several beta-delayed neutron emitting isotopes beyond N=126 

    Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Algora, A.; Benlliure, J.; Bowry, M.; Cortes, G.; Dillmann, I.; Estradé, A.; Farinon, F.; Geissel, H.; Gelletly, W.; Heil, M.; Kurcewicz, J.; Marganiec, J.; Nociforo, C.; Pietri, S.; Prochazka, A.; Maurice, S.; Rubio, B.; Smith, K.M; Tain, J. L.; Weick, H.; Woody, R.W. (2016-06-29)
    Article
    Accés obert
    The beta-delayed neutron emission probabilities of neutron rich Hg and Tl nuclei have been measured together with beta-decay half-lives for 20 isotopes of Au, Hg, Tl, Pb, and Bi in the mass region N greater than or similar ...
  • First measurements with the BEta deLayEd Neutron Detector (BELEN-20) at JYFLTRAP 

    Martínez, T.; Gómez Hornillos, María Belén; Rissanen, J.; Tain, J.L.; Algora, A.; Cano Ott, Daniel; Agramunt, J.; Gorlychev, V.; Caballero Folch, Roger; Kolhinen, V.S.; Karvonen, P.; Jokinen, Ari; Hakala, P.J.; Garcia, A.; Eronen, T.; Elomaa, V.V.; Cortés Rossell, Guillem Pere; Äystö, J.; Achouri, L.; Moore, I.; Valencia, E; Reponen, M.; Sonnenschein, V.; Podolyak, Z.; Pretel Sánchez, Carme; Parlog, M.; Penttila, H. (IOPScience, 2010)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    A prototype version of the BEta deLayEd Neutron detector, which is being developed for the FAIR/DESPEC experiment, has been used for the first time in an experiment at JYFL (Finland). This detector is based on 3He counters ...
  • Fission cross-section measurements of 233-U, 245-Cm and 241,243-Am at CERN n_TOF facility 

    Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Poch Parés, Agustí; Pretel Sánchez, Carme (2011-08-12)
    Article
    Accés restringit per política de l'editorial
    Neutron-induced ssion cross-sections of minor actinides have been measured using the n TOF white neutron source at CERN, Geneva, as part of a large experimental program aiming at collecting new data relevant for nuclear ...
  • Fission fragment angular distribution measurements of U-235 and U-238 at CERN n_TOF facility 

    Leal-Cidoncha, E.; Durán, I.; Paradela, C.; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere (EDP Sciences, 2015)
    Text en actes de congrés
    Accés obert
    Neutron-induced fission cross sections of U-238 and U-235 are used as standards in the fast neutron region up to 200 MeV. A high accuracy of the standards is relevant to experimentally determine other neutron reaction cross ...