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Mostrando 501 - 520 Resultados de 591 Para Buscar '"supernova"', tiempo de consulta: 0.12s Limitar resultados
  1. 501
    Publicado 2013
    “…We will also cover the latest developments in neutrino physics, astrophysics and cosmology more broadly, including neutrinoless double beta decay, neutrino interactions, and supernovae. The emphasis of the conference will be on how new experimental techniques and theoretical ideas will impact the future directions of the field.…”
    Enlace del recurso
    Aspen Winter Workshop: New Directions in Neutrino Physics
  2. 502
    por Kisslinger, Leonard S
    Publicado 2014
    “…Based on this, fascinating topics such as Dark Matter, measuring Dark Energy via supernovae velocities, and the creation of mass via the Higgs mechanism are explained. …”
    Enlace del recurso
    Astrophysics and the evolution of the universe
  3. 503
    por Dar, Arnon, De Rújula, Alvaro
    Publicado 2003
    “…We show that the observations support the CB-model interpretation that XRFs, like GRBs, are produced by the explosions of core-collapse supernovae (SNe) akin to SN1998bw, by jets of highly-relativistic CBs. …”
    Enlace del recurso
    On the origin of X-ray Flashes
  4. 504
    “…Our understanding of the universe has been revolutionized by observations of the cosmic microwave background (in particular Wilkinson Microwave Anisotropy Probe), the large-scale structure of the universe (Two-degree-Field Galaxy Redshift Survey and Sloan Digital Sky Survey), and distant supernovae. These studies have conclusively shown that we are living in a strange universe: 96% of the present-day energy density of the universe is dominated by the so-called dark matter and dark energy. …”
    Enlace del recurso
    186th International School of Physics "Enrico Fermi" : New Horizons for Observational Cosmology
  5. 505
    “…It covers astronomical objects, such as stars, planets, nebulae, novae, supernovae, and events such as eclipses and comet passages. …”
    Enlace del recurso
    Enlace del recurso
    Spectroscopy for amateur astronomers: recording, processing, analysis and interpretation
  6. 506
    por De Rújula, Alvaro
    Publicado 2004
    “…The mechanism underlying these phenomena is the emission of relativistic "cannonballs" by ordinary supernovae, analogous to the observed ejection of plasmoids by quasars and microquasars. …”
    Enlace del recurso
    Enlace del recurso
    A Unified Model of High-Energy Astrophysical phenomena
  7. 507
    “…We focus on two aspects that can present substantial differences with respect to the environment in the disk: (i) the ionizing radiation environment, due to the presence of the central black hole and to the highest rate of supernovae explosions and (ii) the efficiency of putative lithopanspermia mechanism for the diffusion of life between stellar systems. …”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Online Artículo Texto
    The Habitability of the Galactic Bulge
  8. 508
    “…The liquid argon time projection chamber (LArTPC) detector technology has an excellent capability to measure properties of low-energy neutrinos produced by the sun and supernovae and to look for exotic physics at very low energies. …”
    Enlace del recurso
    Enlace del recurso
    A deep-learning based raw waveform region-of-interest finder for the liquid argon time projection chamber
  9. 509
    “…Among these scenarios, motivated by the recent measurements of the luminosity distance versus redshift relation for type Ia supernovae, is the quintessence hypothesis. It consists in assuming that the acceleration of the Universe is due to a scalar field whose final evolution is insensitive to the initial conditions. …”
    Enlace del recurso
    Enlace del recurso
    Exhaustive Study of Cosmic Microwave Background Anisotropies in Quintessential Scenarios
  10. 510
    por Hardy, Stephen J., Thoma, Markus H.
    Publicado 2000
    “…If sufficiently strong fields exist in the regions surrounding the core of a type II supernovae or in the central engines of gamma ray bursts, these processes will lead to more efficient plasma heating mechanism than in an unmagnetized medium, and moreover, one which is intrinsically anisotropic.…”
    Enlace del recurso
    Enlace del recurso
    Neutrino-electron processes in a strongly magnetized thermal plasma
  11. 511
    por Walker, Richard
    Publicado 2017
    “…It allows you to read and interpret the recorded spectra of the main stellar classes, as well as most of the steps from protostars through to the final stages of stellar evolution as planetary nebulae, white dwarfs or the different types of supernovae. It also presents integrated spectra of stellar clusters, galaxies and quasars, and the reference spectra of some terrestrial light sources, for calibration purposes. …”
    Enlace del recurso
    Enlace del recurso
    Spectral atlas for amateur astronomers: a guide to the spectra of astronomical objects and terrestrial light sources
  12. 512
    “…For instance, this volume records 119 papers on minor planets (subject category 098), 155 papers on supernovae (subject category 125), and 554 papers on cosmology (subject category 161). …”
    Enlace del recurso
    Enlace del recurso
    Astronomy and astrophysics abstracts: literature 1997, part 1
  13. 513
    por Boffin, Henri M J, Jones, David
    Publicado 2019
    “…This book emphasises the wider impact of the field, highlighting the critical role binary central stars of planetary nebulae have in understanding a plethora of astrophysical phenomena, including type Ia supernovae, chemically peculiar stars and circumbinary exoplanets.…”
    Enlace del recurso
    Enlace del recurso
    The importance of binaries in the formation and evolution of planetary nebulae
  14. 514
    “…LBNF provides the cryogenic infrastructure necessary to supply and maintain that argon throughout the life of DUNE, as it enables the study of neutrinos from a new and improved beamline from Fermilab, as well as the dynamics of supernovae responsible for producing the heavy elements necessary for life and the possibility of proton decay. …”
    Enlace del recurso
    Enlace del recurso
    Overview and status of the Long Baseline Neutrino Facility cryogenics system
  15. 515
    “…We found that the sticking probability for the formation of Fe grains is extremely small; only a few atoms will stick per hundred thousand collisions so that homogeneous nucleation of metallic Fe grains is highly ineffective, even in the Fe-rich ejecta of type Ia supernovae. This implies that most Fe is locked up as grains of Fe compounds or as impurities accreted onto other grains in the interstellar medium.…”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Online Artículo Texto
    Pure iron grains are rare in the universe
  16. 516
    “…Such a term represents a correction to the usual Hilbert–Einstein action. By using Supernovae Ia, Barionic Acoustic Oscillations, Cosmic Microwave Background and H(z) data, the free parameters of the model are well constrained. …”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Online Artículo Texto
    Is exponential gravity a viable description for the whole cosmological history?
  17. 517
    por Ratledge, David
    Publicado 2005
    “…The techniques explained here range from the use of inexpensive webcams, through to highly technical aspects such as supernovae patrolling. Computer processing, stacking and image-enhancement are also detailed, along with many hints and tips from the experts.…”
    Enlace del recurso
    Enlace del recurso
    Digital astrophotography: the state of the art
  18. 518
    por Halzen, Francis
    Publicado 1999
    “…This instrument is monitoring the sky for neutrinos from supernovae and gamma ray bursts. We are already performing a first search for neutrino emission from the most energetic cosmic processes involving pulsars, black holes, active galactic nuclei and the like. …”
    Enlace del recurso
    The AMANDA South Pole neutrino telescope: first light
  19. 519
    “…For certain values of currently allowed axion parameters, the energy injection into the intergalactic medium from soliton decays to photons is comparable to or larger than the energy injection due to core collapse supernovae at $z>10$. A companion paper explores the phenomenology of such an energy injection.…”
    Enlace del recurso
    Soliton Merger Rates and Enhanced Axion Dark Matter Decay
  20. 520
    “…The cryogenics system supplies and maintains the argon needed for DUNE, as it enables the study of neutrinos from a new and improved beamline from Fermilab, as well as the dynamics of supernovae and the possibility of proton decay. This contribution describes the main features, performance, functional requirements and modes of operations of the LBNF cryogenics system. …”
    Enlace del recurso
    Enlace del recurso
    Overview and Status of the Long-Baseline Neutrino Facility Cryogenics System
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