Now showing items 1-20 of 46

  • 123-321 models of classical novae 

    José Pont, Jordi; Shore, Steven N.; Casanova Bustamante, Jordi (EDP Sciences, 2020-01-28)
    Article
    Open Access
    Context. High-resolution spectroscopy has revealed large concentrations of CNO and sometimes other intermediate-mass elements (e.g., Ne, Na, Mg, or Al, for ONe novae) in the shells ejected during nova outbursts, suggesting ...
  • 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 ...
  • Application of the THM to the investigation of reactions induced by unstable nuclei: the 18F(p,a)15O case 

    LaCognata, M; Pizzone, R; José Pont, Jordi (2019-12-04)
    Article
    Open Access
    The Trojan Horse Method is applied to the investigation of the18F(p,a)15O reaction, by extractingthe quasi free contribution to the2H(18F,a15O)nprocess. For the first time the method is applied to a reaction ofastrophysical ...
  • 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 ...
  • Beta-decay spectroscopy of S-27 

    José Pont, Jordi (American Physical Society (APS), 2019-06-10)
    Article
    Open Access
  • Binary systems and their nuclear explosions 

    Isern Vilaboy, Jordi; Hernanz Carbó, Margarita; José Pont, Jordi (Springer, 2018-08-01)
    Part of book or chapter of book
    Open Access
  • 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
  • Breaking the habit: the peculiar 2016 eruption of the unique recurrent nova M31N 2008-12a 

    Henze, Martin; Darnley, Matt J.; Williams, Steven Charles; José Pont, Jordi (2018-04-10)
    Article
    Open Access
  • 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 ...
  • Ernst K. Zinner (1937-2015) 

    Nittler, L.; José Pont, Jordi (2017)
    Conference report
    Open Access
  • Experimentally well-constrained masses of 27P and 27S: implications for studies of explosive binary systems 

    Sun, Lijie; Xu, Xinxing; Hou, S.Q.; José Pont, Jordi (Elsevier, 2020-03-10)
    Article
    Open Access
    The mass of 27P is expected to impact the X-ray burst (XRB) model predictions of burst light curves and the composition of the burst ashes, but large uncertainties and inconsistencies still exist in the reported 27P masses. ...
  • 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, ...
  • Gamma-ray observations of Nova Sgr 2015 No. 2 with INTEGRAL 

    Siegert, Thomas; Coc, A; Delgado Soler, Laura; Diehl, Roland; Greiner, Jochen; Hernanz Carbó, Margarita; Jean, Pierre; José Pont, Jordi; Molaro, Paolo; Pleintinger, Mortiz M.M.; Savchenko, Volodymyr; Starrfield, Sumner; Tatischeff, Vincent; Weinberger, Christoph (EDP Sciences, 2018-07-23)
    Article
    Open Access
  • Hydrodynamic simulations of classical novae: accretion onto CO white dwarfs as SN Ia progenitors 

    Starrfield, Sumner; Bose, M; Iliadis, Christian; Hix, W. R.; Woodward, C; Wagner, R; José Pont, Jordi; Hernanz Carbó, Margarita (PoS - Proceedings of Science, 2018)
    Conference report
    Open Access
  • Introduction 

    José Pont, Jordi (2013-03)
    Part of book or chapter of book
    Restricted access - publisher's policy