Ara es mostren els items 2-11 de 11

  • Enhanced gamma-ray emission from neutron unbound states populated in beta decay 

    Tain, J. L.; Valencia, E.; Algora, A.; Rubio, B.; Maurice, S.; Gelletly, W.; Fallot, M.; Rissanen, J.; Eronen, T.; Äystö, J.; Batist, L.; Bowry, M.; Caballero Folch, Roger; Gómez Hornillos, María Belén; Gorlychev, V.; Mendoza, E.; Moore, I.; Penttila, H.; Reponen, M.; Sonnenschein, V. (2015-08-06)
    Accés obert
  • Experimental determination of the activity of a 252Cf source 

    Caballero Folch, Roger (Universitat Politècnica de Catalunya / Universitat de Barcelona, 2011-06)
    Projecte Final de Màster Oficial
    Accés obert
    An important research line in nuclear physics nowadays is the study of unstable nuclei. Within this, one area of interest is the study of delayed neutron emission which is of relevance for di erent elds such as ...
  • First measurement of beta-decay half-lives and neutron emission probabilities in several isotopes beyond N = 126 

    Caballero Folch, Roger (Universitat Politècnica de Catalunya, 2015-06-05)
    Accés obert
    In this work beta-decay half-lives and neutron-emission probability values have been experimentally determined for first time in several nuclei beyond the neutron-shell closure at N=126. To this aim the accelerator complex ...
  • 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 ...
  • Measurement of very low (alpha,n) cross sections of astrophysical interest 

    Taín, J.L.; Jordan Herrero, Donato; Agramunt Ros, Jorge; Algora, A.; Bandac, I; Bettini, S; Caballero Folch, Roger; Calviño Tavares, Francisco; Cano-Ott, D; Cortés Rossell, Guillem Pere; Domingo-Pardo, C; Fraile, L. M.; Garcia, A.R.; Gomez-Cadenas, J.J.; José Pont, Jordi; Longland, Richard; Mendoza, E (Institute of Physics (IOP), 2016)
    Accés obert
    The reactions 13C( ; n)16O and 22Ne( ; n)25Mg are the primary sources of neutrons for the astrophysical s-process. The feasibility of cross section measurements within the respective Gamow windows is discussed in quantitative ...
  • Millora del monitor d’aerosols radioactius de l’estació radiometeorològica del Campus Nord 

    Caballero Folch, Roger (Universitat Politècnica de Catalunya, 2008-09-08)
    Projecte/Treball Final de Carrera
    Accés obert
    Un  dels  descobriments  més  interessants  del  passat  SXX  és  el  de  les  radiacions  ionitzants. Es va verificar que la Terra està exposada a radiacions ionitzants d’alta energia  provinents  de  l’espai  ...
  • New Beta-delayed neutron measurements in the light-mass fission group 

    Äystö, J.; Caballero Folch, Roger; Calviño Tavares, Francisco; Eronen, T.; Gelletly, W.; Gómez Hornillos, María Belén; Moore, I.; Penttila, H.; Reponen, M.; Riego Pérez, Albert; Rissanen, J.; Rubio, B.; Valencia, E. (2014-06-01)
    Accés restringit per política de l'editorial
    A new accurate determination of beta-delayed neutron emission probabilities from nuclei in the low mass region of the light fission group has been performed. The measurements were carried out using the BELEN 4 pi neutron ...
  • Total absorption spectroscopy study of Rb-92 decay: a major contributor to reactor antineutrino spectrum shape 

    Zakari-Issoufou, A.-A.; Fallot, M.; Porta, A.; Caballero Folch, Roger; Gómez Hornillos, María Belén; Gorlychev, V. (2015-09-04)
    Accés obert
    The antineutrino spectra measured in recent experiments at reactors are inconsistent with calculations based on the conversion of integral beta spectra recorded at the ILL reactor. Rb-92 makes the dominant contribution to ...
  • ß-decay and ß-delayed neutron emission measurements at GSI-FRS Beyond N=126, for r-process nucleosynthesis 

    Caballero Folch, Roger; Benlliure, J.; Cortés Rossell, Guillem Pere; Bowry, M.; Calviño Tavares, Francisco; Dillmann, I.; Estradé, A.; Farinon, F.; Geissel, H.; Gelletly, W.; Gómez Hornillos, María Belén; Heil, M.; Nociforo, C.; Kurcewicz, J.; Marganiec, J.; Paradela, C.; Pietri, S.; Prochazka, A.; Maurice, S.; Riego Pérez, Albert; Rubio, B.; Weick, H.; Smith, K.M; Woody, R.W. (2014-06-01)
    Accés restringit per política de l'editorial
    New measurements of very exotic nuclei in the neutron-rich region beyond N=126 have been performed at the GSI facility with the fragment separator (FRS). The aim of the experiment is to determine half-lives and beta-delayed ...
  • ß-delayed neutron emission measurements around the third r-process abundance peak 

    Caballero Folch, Roger; Domingo Pardo, César; Cortés Rossell, Guillem Pere; Calviño Tavares, Francisco; Riego Pérez, Albert (2012)
    Comunicació de congrés
    Accés restringit per política de l'editorial
    The elements heavier than iron are produced in the Universe mainly by means of the slow (s) and rapid (r) neutron capture processes (for a recent review see e.g. [1]). The latter nucleosynthesis mechanism occurs between ...