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Mostrando 461 - 480 Resultados de 591 Para Buscar '"supernova"', tiempo de consulta: 0.15s Limitar resultados
  1. 461
    por Kipreos, Edward T.
    Publicado 2014
    “…The observation that distant Type Ia supernovae are dimmer than predicted by linear Hubble expansion currently provides the most direct evidence for an accelerating universe. …”
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    Online Artículo Texto
    Implications of an Absolute Simultaneity Theory for Cosmology and Universe Acceleration
  2. 462
    por Vitagliano, Edoardo
    Publicado 2023
    “…In this talk, I will summarize some of the most recent developments, with a focus on supernovae and astrophysical transients.…”
    Enlace del recurso
    Stellar Probes of Feebly Interacting Particles, Circa 2023
  3. 463
    por Gil-Botella, I.
    Publicado 2015
    “…The detection of neutrinos from supernovae explosions and the information that this measurement can provide are also summarized at the end.…”
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    Enlace del recurso
    Neutrino Physics
  4. 464
    por Ellis, John R.
    Publicado 1999
    “…In combination with other cosmological observations, including those of high-redshift supernovae and large-scale structure, the CMB is on the way to providing a detailed budget for the density of the Universe, to be compared with particle-physics calculations for neutrinos and cold dark matter. …”
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    Enlace del recurso
    Learning Physics from the Cosmic Microwave Background
  5. 465
    por Burdick, A
    Publicado 2002
    “…Gravity should halt the expansion of the universe but a few years ago a study of supernovae showed that in fact cosmic expansion is speeding up. …”
    Enlace del recurso
    The year in ideas; dark energy
  6. 466
    por Ahluwalia, D V, Burgard, C
    Publicado 1998
    “…The physical observability of these phases in the context of the solar neutrino anomaly, type-II supernovae, and certain atomic systems is briefly discussed.…”
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    Interplay of gravitation and linear superposition of different mass eigenstates
  7. 467
    “…If this energy density is dominant, the Universe expands with a scale factor $R(t) observational constraints from high-redshift supernovae, and may also respect other phenomenological bounds on time variation in the vacuum energy imposed by early cosmology.…”
    Enlace del recurso
    Enlace del recurso
    Time-Dependent Vacuum Energy Induced by $D$-Particle Recoil
  8. 468
    por Margerin, Vincent
    Publicado 2017
    “…The most in influential reaction to the amount of 44Ti in supernovae is 44Ti(alpha, p)47V. Here we report on a direct study of this reaction conducted at the REX-ISOLDE facility, CERN. …”
    Enlace del recurso
    Transfer reaction measurements and the stellar nucleosynthesis of 26Al and 44Ti
  9. 469
    “…Topics include Solar Neutrinos, Supernovae, Gamma-Ray Bursts, High-Energy Neutrinos (atmospheric, astrophysical), Cosmology, and Future Prospects. …”
    Enlace del recurso
    Proceedings of the 4th SFB-375 Ringberg Workshop Neutrino Astrophysics
  10. 470
    “…Combined with the COBE measurement and the high redshift supernovae data we obtain new constraints on the fractional matter density and the cosmological constant.…”
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    A measurement of $\Omega$ from the North American test flight of BOOMERANG
  11. 471
    “…The nucleosynthesis associated with the ejected wind from type-II supernovae as well as from compact object binary mergers is studied, by using state-of-the-art hydrodynamic simulations. …”
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    Precision Mass Measurements of 129-131Cd and Their Impact on Stellar Nucleosynthesis via the Rapid Neutron Capture Process
  12. 472
    por Stanev, Todor
    Publicado 2010
    “…Presents the acceleration scenario in some detail in supernovae explosions as well as in the passage of cosmic rays through the Galaxy. …”
    Enlace del recurso
    High energy cosmic rays
  13. 473
    por Alloin, Danielle, Gieren, Wolfgang
    Publicado 2003
    “…The "standard candles", used to set up the extragalactic distance scale, reviewed in this book include cepheid variables, RR Lyrae variables, novae, Type Ia and Type II supernovae as well as globular clusters and planetary nebulae.…”
    Enlace del recurso
    Enlace del recurso
    Stellar candles for the extragalactic distance scale
  14. 474
    por Murphy, A St J
    Publicado 2017
    “…Collectively, these works advance our understanding of big bang nucleosynthesis, quiescent and explosive burning in novae and x-ray bursts, and core-collapse supernovae, both in terms of the underlying explosion mechanism and gamma-ray satellite observable radioisotopes.…”
    Enlace del recurso
    Enlace del recurso
    Physics with post accelerated beams: nuclear astrophysics
  15. 475
    por Hartquist, T W, Dyson, J E, Ruffle, D P
    Publicado 2004
    “…Winds from Main-Sequence and Post-Main-Sequence Stars8. Supernovae and Their Remnants9. Galactic Winds, Starburst Superwinds, and the Epoch of Galaxy Formation10. …”
    Enlace del recurso
    Blowing bubbles in the cosmos: astronomical winds, jets, and explosions
  16. 476
    por Ovgün, Alï, Jusufi, Kimet
    Publicado 2017
    “…We explore stability analyses using different models of the modified Chaplygin gas with constraints from cosmological observations, such as seventh-year full Wilkinson microwave anisotropy probe data points, type Ia supernovae, and baryon acoustic oscillation. In all these models we find stable solutions by choosing suitable values for the parameters of the Lorentz symmetry breaking effect.…”
    Enlace del recurso
    Enlace del recurso
    Stability of Effective Thin-shell Wormholes Under Lorentz Symmetry Breaking Supported by Dark Matter and Dark Energy
  17. 477
    “…Our results should presumably also describe the gravitational collapse to black holes and explosive events such as supernovae. In the context of a theory with massive gravitons and screening, merging objects up to 1 Gpc away or collapsing stars in the nearby galaxy may be used to constrain the mass of the graviton to be smaller than ∼10-23  eV, with low-frequency detectors. …”
    Enlace del recurso
    Enlace del recurso
    Gravitational waves in massive gravity theories: waveforms, fluxes and constraints from extreme-mass-ratio mergers
  18. 478
    por Wells, James D.
    Publicado 1998
    “…Recent measurements of cosmological parameters from the microwave background radiation, type Ia supernovae, and the age of globular clusters help determine the relic matter density in the universe. …”
    Enlace del recurso
    Enlace del recurso
    Supersymmetric Dark Matter with a Cosmological Constant
  19. 479
    Publicado 2014
    “…The following topics will be discussed : - Equation of state of dense matter, including hyperon, kaon and quark degrees of freedom - Neutrino emission and cooling of compact stars - Superconductivity-superfluidity - Constraints from EM observations - Transients - Gravitational wave emission - Models for Supernovae and for Gamma Ray Bursts - Magnetars. This conference is supported in part by the European network CompStar (MPNS COST Action MP1304 - Exploring fundamental physics with compact stars)…”
    Enlace del recurso
    The Structure and Signals of Neutron Stars, from Birth to Death
  20. 480
    por Cook, N
    Publicado 2004
    “…This paper shall then test the consequences of the mechanism for general relativity, solving the problem of recession speeds of distant supernovae. The success of this model for gravity has implications for the unification of fundamental forces via quantum theory.…”
    Enlace del recurso
    Solution to a problem with general relativity
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