Now showing items 41-60 of 121

  • Intrinsic limits on resolutions in muon- and electron-neutrino charged-current events in the KM3NeT/ORCA detector 

    Ageron, M.; Aiello, G.; Ameli, F; André, Michel (2017-05-01)
    Article
    Open Access
    Studying atmospheric neutrino oscillations in the few-GeV range with a multi-megaton detector promises to determine the neutrino mass hierarchy. This is the main science goal pursued by the future KM3NeT/ORCA water Cherenkov ...
  • Joint Constraints on Galactic Diffuse Neutrino Emission from the ANTARES and IceCube Neutrino Telescopes 

    Albert, A.; André, Michel; Anghinolfi, Marco; Ardid Ramírez, Miguel; Aubert, J.-J. (Institute of Physics (IOP), 2018-12-01)
    Article
    Open Access
    The existence of diffuse Galactic neutrino production is expected from cosmic-ray interactions with Galactic gas and radiation fields. Thus, neutrinos are a unique messenger offering the opportunity to test the products ...
  • Laue lens simulation for gamma radiation in the energy range of 1 MeV 

    Perengüez Lopez, James (Universitat Politècnica de Catalunya, 2013-05-20)
    Master thesis
    Open Access
    [ANGLÈS] The study of difraction applied to Laue lenses is a very promising tool in the field of astrophysics of gamma radiation. In the present work we carried out a theoretical study and a computational simulation of a ...
  • Limits on dark matter annihilation in the sun using the ANTARES neutrino telescope 

    Adrian Martinez, Silvia; Albert, A.; André, Michel (Elsevier, 2016-08-10)
    Article
    Open Access
    A search for muon neutrinos originating from dark matter annihilations in the Sun is performed using the data recorded by the ANTARES neutrino telescope from 2007 to 2012. In order to obtain the best possible sensitivities ...
  • LISA Pathfinder platform stability and drag-free performance 

    Armano, M.; Audley, H.; Baird, J.; Binetruy, P.; Born, M.; Bortoluzzi, D.; Ramos Castro, Juan José (American Physical Society (APS), 2019-04-15)
    Article
    Open Access
    The science operations of the LISA Pathfinder mission have demonstrated the feasibility of sub-femto-g free fall of macroscopic test masses necessary to build a gravitational wave observatory in space such as LISA. While ...
  • Local behaviour of evaporating stars and black holes around the total evaporation event 

    Fayos Vallés, Francisco; Torres Herrera, Ramon (2010-06-21)
    Article
    Open Access
  • Long-term monitoring of the ANTARES optical module efficiencies using 40K decays in sea water 

    Albert, A.; André, Michel; Anghinolfi, Marco (Springer, 2018-08-01)
    Article
    Open Access
    Cherenkov light induced by radioactive decay products is one of the major sources of background light for deep-sea neutrino telescopes such as ANTARES. These decays are at the same time a powerful calibration source. Using ...
  • Maneuvering spacecraft formations using a dynamically maneuvering spacecraft formations using a dynamically adapted finite element methodology 

    Masdemont Soler, Josep; García Taberner, Laura (2009)
    Article
    Restricted access - publisher's policy
    The formation reconfiguration or the deployment of multiple spacecraft is a key issue that demands a robust methodology safely avoiding collision hazards. In this paper we present a systematic procedure to perform proximity ...
  • Mass and eccentricity constraints on the planetary debris orbiting the white dwarf WD 1145+017 

    Gurri Pérez, Pol (Universitat Politècnica de Catalunya, 2016-06-29)
    Bachelor thesis
    Open Access
    Covenantee:  University of Warwick
    Being the first of its kind, the white dwarf WD 1145+017 exhibits a complex system of disintegrating debris which offers a unique opportunity to study its disruption process in real time. Even with plenty of transit ...
  • 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.; Jordán, D.; Agramunt Ros, Jorge; Caballero-Folch, R.; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Longland, Richard; Parikh, Anuj Ramesh (Institute of Physics (IOP), 2013)
    Conference report
    Open Access
    The reactions C-13(alpha,n)O-16 and Ne-22(alpha,n)Mg-25 are the primary sources of neutrons for the astrophysical s-process. The feasibility of cross section measurements within the respective Gamow windows is discussed ...
  • 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 ...
  • Measurement of very low (alpha,n) cross sections of astrophysical interest 

    Taín, J.L.; Jordán, D.; Agramunt Ros, Jorge; Caballero-Folch, R.; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere (Institute of Physics (IOP), 2013)
    Conference report
    Open Access
    The reactions 13C(alpha, n)16O and 22Ne(alpha, 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 ...
  • Measuring the atmospheric neutrino oscillation parameters and constraining the 3+1 neutrino model with ten years of ANTARES data 

    Albert, A.; André, Michel; Anghinolfi, Marco; Anton, Gisela; Ardid Ramírez, Miguel; Aubert, J.-J. (Springer, 2019-06-01)
    Article
    Open Access
    The ANTARES neutrino telescope has an energy threshold of a few tens of GeV. This allows to study the phenomenon of atmospheric muon neutrino disappearance due to neutrino oscillations. In a similar way, constraints on ...
  • Measuring the galactic cosmic ray flux with the LISA Pathfinder radiation monitor 

    Armano, M.; Audley, H.; Baird, J.; Ramos Castro, Juan José (2018-01-31)
    Article
    Restricted access - publisher's policy
    Test mass charging caused by cosmic rays will be a significant source of acceleration noise for space-based gravitational wave detectors like LISA. Operating between December 2015 and July 2017, the technology demonstration ...
  • Model-independent search for neutrino sources with the ANTARES neutrino telescope 

    Albert, A.; André, Michel; Anghinolfi, Marco; Anton, Gisela; Ardid Ramírez, Miguel; Aubert, J.-J.; Avgitas, T.; Barrios Martí, Javier; Basa, S.; Bertin, Vincent; Biagi, S.; Bormuth, R. (2020-01-01)
    Article
    Open Access
    A novel method to analyse the spatial distribution of neutrino candidates recorded with the ANTARES neutrino telescope is introduced, searching for an excess of neutrinos in a region of arbitrary size and shape from any ...
  • Modeling of thermal environment for an astrophysical satellite 

    Bedmar Castillo, Francisco G. (Universitat Politècnica de Catalunya, 2010-06-01)
    Master thesis
    Restricted access - author's decision
    The aim of this thesis is to design a thermal analysis workflow for design of nano and micro satellites at the Space Center EPFL. Currently orbiting Swiss Cube nano satellite and a future extrasolar planet observation ...
  • Modelling of the optical light-curve of the accreting binary V5116 Sgr 

    Moreno Garcia, Daniel (Universitat Politècnica de Catalunya, 2017-06-22)
    Bachelor thesis
    Open Access
    Covenantee:  Max-Planck-Institut für extraterrestrische Physik
    Context. Cataclysmic Variables are binary stars in which a relatively normal star is transferring mass to its compact companion. This interaction gives rise to a broad range of behaviours, the most energetic phenomenon ...
  • Modelos cosmológicos en el marco de la teoría general de la relatividad 

    Ribera Manzano, Pablo (Universitat Politècnica de Catalunya, 2016-06-29)
    Bachelor thesis
    Open Access
    Detailed work about relativistic cosmology: exposition of the principles and postulates, description of the geometry of spacetime and its matter contents, Hubble's law from a relativistic point of view, analysis of the ...
  • Models of classical novae with MESA 

    Abril Pla, Oriol (Universitat Politècnica de Catalunya, 2017-06)
    Bachelor thesis
    Open Access
    Classical novae are thermonuclear runaways at the envelope of a WD due to the piling up of H-rich accreted material. They have been observed to produce heavy elements during the explosion, and their role in galactical ...