Now showing items 1-20 of 85

  • Angular distribution in the neutron-induced fission of actinides 

    Leong, L.S.; Tassan Got, Laurence; Tarrío, D.; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Gómez Hornillos, María Belén (EPJ Web of Conferences, 2013)
    Conference report
    Open Access
    Above 1MeV of incident neutron energy the fission fragment angular distribution (FFAD) has generally a strong anisotropic behavior due to the combination of the incident orbital momentum and the intrinsic spin of the ...
  • Application of Photon Strength Functions to (n,gamma) measurements with the n_TOF TAC 

    Guerrero, Carlos; Abbondanno, U.; Aerts, G.; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Pretel Sánchez, Carme; Poch, Agustí (PoS - Proceedings of Science, 2018)
    Conference report
    Open Access
    The neutron capture cross section measurements at the CERN n_TOF facility are performed using a new detection system, the segmented Total Absorption Calorimeter (TAC). All measurements are performed in reference to the ...
  • Astrophysics at n-TOF facility 

    Tagliente, G.; Colonna, Nicola; Marrone, S.; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Poch Parés, Agustí; Pretel Sánchez, Carme (2008)
    Conference report
    Open Access
    The neutron time of flight (n_TOF) facility at CERN is a neutron spallation source, its white neutron energy spectrum ranges from thermal to several GeV, covering the full energy range of interest for nuclear astrophysics, ...
  • Astrophysics at n-TOF facility at CERN 

    Tagliente, G.; Abbondanno, U.; Aerts, G.; Calviño Tavares, Francisco; Pretel Sánchez, Carme (Institute of Physics (IOP), 2010)
    Conference report
    Open Access
    The neutron time of flight (n_TOF) facility at CERN is a spallation neutron source with white neutron energy spectrum (from thermal to several GeV), covering the full energy range of interest for nuclear astrophysics, in ...
  • Binary systems and their nuclear explosions 

    Isern Vilaboy, Jordi; Hernanz Carbó, Margarita; José Pont, Jordi (2011-01)
    Part of book or chapter of book
    Restricted access - publisher's policy
  • Characterisation of the Hamamatsu photomultipliers for the KM3NeT Neutrino Telescope 

    Aiello, S; Ameli, F; André, Michel; Anghinolfi, Marco; Anton, G.; Ardid Ramírez, Miguel; Avgitas, T.; Bertin, V.; Bormuth, R.; Bouwhuis, M.C.; Puricelli, Stefano; Cherubini, Silvio; Coniglione, R.; Mannheim, Karl; Morganti, Michele; Pellegrino, Carlo; Piattelli, P.; Real, Del; Santangelo, A; Sharma, Aniruddh; Trovato, A.; Zaborov, D.; Zúñiga Román, Juan (2018-05-01)
    Article
    Open Access
    The Hamamatsu R12199-02 3-inch photomultiplier tube is the photodetector chosen for the first phase of the KM3NeT neutrino telescope. About 7000 photomultipliers have been characterised for dark count rate, timing spread ...
  • Charm photoproduction results from NA14' 

    Álvarez, M.P.; Barate, R.; Calviño Tavares, Francisco (Springer, 1988)
    Conference report
    Open Access
    High statistics samples of reconstructed charmed particles have been obtained by the NA14' experiment. Signals are presented in a variety of decay channels, and are used for the measurement of lifetimes and the study of ...
  • Commissioning of the BRIKEN detector for the measurement of very exotic ß-delayed neutron emitters 

    Tolosa Delgado, Alvaro; Agramunt Ros, Jorge; Taín, J.L.; Tarifeño Saldivia, Ariel Esteban; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere (2019-05-01)
    Article
    Restricted access - publisher's policy
    A new detection system has been installed at the RIKEN Nishina Center (Japan) to investigate decay properties of very neutron-richnuclei. The setup consists of three main parts: a moderated neutron counter, a detection ...
  • Cross section measurements of 155,157Gd(n,gamma) induced by thermal and epithermal neutrons 

    Mastromarco, M.; Aberle, O.; Calviño Tavares, Francisco; Casanovas Hoste, Adrià; Cortés Rossell, Guillem Pere; Tarifeño Saldivia, Ariel Esteban (2019-01-28)
    Article
    Restricted access - publisher's policy
    Neutron capture cross section measurements on 155Gd and 157Gd were performed using the time-of-flight technique at the n_TOF facility at CERN on isotopically enriched samples. The measurements were carried out in the n_TOF ...
  • Development and validation of a simplified tritium migration simulation tool for its dynamics monitoring at ITER 

    Sojo Gordillo, Jose Manuel (Universitat Politècnica de Catalunya, 2018-04-27)
    Master thesis
    Open Access
    El TFM se enmarca en un proyecto R&D del CDTI con la empresa PROCON SYSTEMS, la UPC y el IQS (URL). Uno de los objetivos del proyecto Demostración Prototípica de Sistemas de Control, Adquisición de Datos, Monitorización ...
  • Dielectric characterization of alcoholic beverages and solutions of ethanol in water under microwave radiation in the 1–20 GHz range 

    Bohigas Janoher, Xavier; Tejada, J. (2010-07)
    Article
    Restricted access - publisher's policy
  • Diffraction control of reflected beam by chirped mirror 

    Cheng, Yu Chieh; Peckus, Martynas; Kicas, S.; Trull Silvestre, José Francisco; Cojocaru, Crina; Vilaseca Alavedra, Ramon; Drazdys, R.; Staliunas, Kestutis (2013)
    Conference lecture
    Restricted access - publisher's policy
    We propose and demonstrate a novel functionality of chirped mirror for monochromatic light beams: a diffraction control in reflections resulting in focusing or imaging of beams. The chirped mirrors, commonly used for ...
  • Elaboration of the TDR for the BELEN Detector 

    Torner Carrion, Aleix (Universitat Politècnica de Catalunya, 2013-11)
    Master thesis (pre-Bologna period)
    Open Access
    El projecte final de carrera descrit a continuació tracta sobre l’elaboració del Technical Design Report (TDR) o document tècnic de disseny del detector de neutrons BELEN concebut i desenvolupat a la UPC. És necessari ...
  • El origen de la física moderna : el papel de Fermi 

    Hernández Fernández, Antonio (2014-08)
    Article
    Open Access
    La primera mitad del siglo XX fue crucial para que la ciencia moderna se estableciese tal y como la conocemos. El ser humano extendió su comprensión del mundo tras explorar el mundo atómico y el astronómico. Entender lo ...
  • 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)
    Article
    Open Access
  • Estudi de la detecció del Xenó en les explosions nuclears subterrànies 

    Sansaloni Florit, Francesc (Universitat Politècnica de Catalunya / Universitat de Barcelona, 2009-12)
    Master thesis
    Open Access
    El 9 d’octubre del 2006 Corea del Nord dugué a terme una prova nuclear. Les estacions de vigilància del CTBTO (Comprensive Nuclear Test Ban Treaty Organization) van detectar aquesta explosió mitjançant la xarxa de vigilància ...
  • Estudio con MCNPX de un módulo de prueba de la envoltura regeneradora de tritio para el reactor ITER 

    Juárez Mañas, Rafael (Universitat Politècnica de Catalunya / Universitat de Barcelona, 2009-09-01)
    Master thesis
    Restricted access - author's decision
    En el estudio presente se exponen una serie de experiencias reunidas del intento de establecer una metodología de traducción de geometrías generadas con CATIA a archivos de inputs reconocibles por MCNPX. En concreto, se ...
  • Experimental determination of the activity of a 252Cf source 

    Caballero Folch, Roger (Universitat Politècnica de Catalunya / Universitat de Barcelona, 2011-06)
    Master thesis
    Open Access
    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 astrophysics, ...
  • 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
    Open Access
    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 ...
  • 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
    Open Access
    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 ...