Now showing items 1-20 of 28

  • 20 anys de "Física i ciència-ficció" 

    Moreno Lupiáñez, Manuel; José Pont, Jordi (2014-06)
    Article
    Open Access
  • 8è Premi ex-aequo a la Qualitat de la Docència Universitària del Consell Social de la UPC: "La física a través de la Ciència-ficció" 

    Moreno Lupiáñez, Manuel; José Pont, Jordi (2006-02)
    Conference report
    Open Access
    La ciència-ficció, gènere característic del nostre temps, és una eina magnífica per a l’aprenentatge-ensenyament de la tecnociència, en general, i de la física, en particular. Els mites del gènere com ara King Kong, ...
  • Absolute determination of the Na-22(rho, gamma)Mg-23 reaction rate in novae 

    José Pont, Jordi; Caggiano, J. A.; Hutcheon, D. A.; Vockenhuber, C.; Buchmann, L.; Sallaska, A.L.; Wrede, C.; Garcia, A.; Storm,, D. W.; Brown, T. A. D.; Ruiz, C.; Snover, K.A.; Ottewell, D. (2011-03-23)
    Article
    Open Access
    Gamma-ray telescopes in orbit around the earth are searching for evidence of the elusive radionuclide 22Na produced in novae. Previously published uncertainties in the dominant destructive reaction, 22Na(p,γ)23Mg, indicated ...
  • A Trojan horse approach to the production of 18F in Novae 

    la Cognata, M; Pizzone, R; José Pont, Jordi; Hernanz Carbó, Margarita; Cherubini, S; Gulino, M; Rapisarda, G; Spitaleri, C (2017-09-01)
    Article
    Open Access
    Crucial information on nova nucleosynthesis can be potentially inferred from ¿-ray signals powered by 18F decay. Therefore, the reaction network producing and destroying this radioactive isotope has been extensively studied ...
  • 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
  • Classical and recurrent nova models 

    José Pont, Jordi; Casanova Bustamante, Jordi; García-Berro Montilla, Enrique; Hernanz Carbó, Margarita; Shore, Steven N.; Calder, A. (2011)
    Conference lecture
    Open Access
    Remarkable progress in the understanding of nova outbursts has been achieved through combined efforts in photometry, spectroscopy and numerical simulations. According to the thermonuclear runaway model, novae are powered ...
  • Coordinated analysis of two graphite grains from the CO3.0 LAP 031117 meteorite: First identification of a CO Nova graphite and a presolar iron sulfide subgrain 

    Haenecour, P.; Floss, C.; José Pont, Jordi; Amari, S.; Lodders, K.; Jadhav, M.; Wang, A.; Gyngard, F. (2016-07)
    Article
    Open Access
    Presolar grains constitute remnants of stars that existed before the formation of the solar system. In addition to providing direct information on the materials from which the solar system formed, these grains provide ...
  • Detonations in white dwarf dynamical interactions 

    Aznar Siguan, Gabriela; García-Berro Montilla, Enrique; Lorén Aguilar, Pablo; José Pont, Jordi; Isern Vilaboy, Jordi (2013)
    Article
    Open Access
    n old, dense stellar systems collisions of white dwarfs are a rather frequent phenomenon. Here we present the results of a comprehensive set of Smoothed Particle Hydrodynamics simulations of close encounters of white ...
  • First measurement of the 34S(p,gamma)35Cl reaction rate through indirect methods for presolar nova grains 

    Gillespie, S; Parikh, A.; Barton, C; Faestermann, Thomas; José Pont, Jordi; Hertenberger, R.; Wirth, Hans Friedrich; de Séréville, N; Riley, J; Williams, M (AMER PHYSICAL SOC, 2017-08-02)
    Article
    Open Access
    Sulphur isotopic ratio measurements may help to establish the astrophysical sites in which certain presolar grains were formed. Nova model predictions of the 34S/32S ratio are, however, unreliable due to the lack of an ...
  • Física i ciència-ficció 

    José Pont, Jordi; Moreno Lupiáñez, Manuel (Edicions UPC, 1994)
    Book
    Restricted access to the UPC academic community
    Les sorprenents creacions de la ciència-ficció constitueixen magnífics punts de partida per introduir-se en el fascinant món de la física. Per mitjà de films i novel·les del gènere es descriuen, des d'una perspectiva lúdica, ...
  • Introduction 

    José Pont, Jordi (2013-03)
    Part of book or chapter of book
    Restricted access - publisher's policy
  • De King Kong a Einstein : la física en la ciencia ficción 

    Moreno Lupiáñez, Manuel; José Pont, Jordi (Edicions UPC, 1999)
    Book
    Restricted access to the UPC academic community
    La ciencia ficción es un poderoso vehículo con el que pueden traspasarse incluso los límites de la imaginación humana. Frankenstein, Supermán, Terminator y otros mixtos de la ciencia ficción constituyen, a su vez, una vía ...
  • M31N 2008-12a - The remarkable recurrent Nova in M31: Panchromatic observations of the 2015 eruption 

    Darnley, M. J.; Henze, Martin; Bode, M. F.; Hachisu, I.; Hernanz Carbó, Margarita; Hornoch, Kamil; Hounsell, R.; Kato, M.; Ness, Jan-Uwe; Osborne, Julian; Page, Kim; Ribeiro, V. A.; Rodríguez-Gil, Pablo; Shafter, A. W.; Shara, M.; Steele, I. A.; Williams, S. C.; Figueira, Joana; José Pont, Jordi; Sala Cladellas, Glòria (2016-12-20)
    Article
    Open Access
  • Measurement of key resonance states for the 40P(p,g)31S reaction rate, and the production of intermediate-mass elements in nova explosions 

    Kankainen, A; Woods, P.J.; Schatz, H.; Poxon-Pearson, T; Doherty, D.T.; Bader, V.; Baugher, T.; Bazin, D.; Brown, B.A.; Browne, J.; Estrade, A.; Gade, A.; José Pont, Jordi; Kontos, A.; Langer, C.; Lotay, G.; Meisel, Z.; Montes, F.; Noji, S.; Nunes, F.; Perdikakis, G.; Pereira, J.; Recchia, F.; Redpath, T.; Stroberg, R.; Scott, M.; Seweryniak, D.; Stevens, J.; Weisshaar, D.; Wimmer, K.; Zegers, R. (Elsevier, 2017-05-17)
    Article
    Open Access
    We report the first experimental constraints on spectroscopic factors and strengths of key resonances in the 30P(p, γ)31Sreaction critical for determining the production of intermediate-mass elements up to Ca in nova ejecta. ...
  • 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)
    Article
    Open Access
    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 ...
  • Multidimensional modeling of Nova outbursts 

    José Pont, Jordi (2014-02-28)
    Part of book or chapter of book
    Restricted access - publisher's policy
  • Nucleosynthesis during the merger of white dwarfs and the origin of R Coronae Borealis stars 

    Longland, Richard Leigh; Lorén Aguilar, Pablo; José Pont, Jordi; García-Berro Montilla, Enrique; Althaus, Leandro Gabriel; Isern Vilaboy, Jordi (2011-08-20)
    Article
    Restricted access - publisher's policy
    Many hydrogen-deficient stars are characterized by surface abundance patterns that are hard to reconcile with conventional stellar evolution. Instead, it has been suggested that they may represent the result of a merger ...
  • P-process nucleosynthesis in detonating white dwarfs in the light of multidimensional hydrodynamical models 

    Goriely, S; García Senz, Domingo; Bravo Guil, Eduardo; José Pont, Jordi (2005-12)
    Article
    Open Access
    The p-process nucleosynthesis in He-accreting white dwarfs with sub-Chandrasekhar mass is revisited in the light of multi-dimensional hydrodynamical simulations. Post-processing calculations are performed on a sample of ...
  • Recent advances in the modelling of classical novae and type I X-ray bursts 

    José Pont, Jordi; Casanova Bustamante, Jordi; Parikh, Anuj Ramesh; García-Berro Montilla, Enrique (2012)
    Article
    Open Access
    Classical nova outbursts and type I X-ray bursts are thermonuclear stellar explosions driven by charged-particle reactions. Extensive numerical simulations of nova explosions have shown that the accreted envelopes attain ...
  • SIXE: An X-ray experiment for the MINISAT platform 

    Bravo Guil, Eduardo; García-Berro Montilla, Enrique; Gutierrez Cabello, Jorge Luis; José Pont, Jordi; García Senz, Domingo; Cabestany Moncusí, Joan; Madrenas Boadas, Jordi (2001-01)
    Article
    Restricted access - publisher's policy
    SIXE (Spanish Italian X-ray Experiment) is an X-ray payload with geometric area of ~3200 cm2 , formed by four identical gas-filled Multiwire Proportional Counters devoted for a long term spectroscopy of selected X-ray ...