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Showing 81-100 of 10,000 results

  1. GRB Synchrotron-Self-Compton Emission Generated by Self-Consistent Electron Distribution

    The spectra of Gamma-Ray Burst (GRB) emission have been investigated theoretically by a number of authors (e.g., [1-3]) for different versions of a...
    E. V. Derishev, V. V. Kocharovsky, ... P. Mészáros in Gamma-Ray Bursts in the Afterglow Era
    Conference paper

  2. New Results on the Temporal Structure of GRBs

    We analyze the temporal structure of long ( T 90 > 2sec) and short ( T...
    E. Nakar, T. Piran in Gamma-Ray Bursts in the Afterglow Era
    Conference paper

  3. Ultra Efficient Internal Shocks

    We define ultra efficient internal shocks as those in which the fraction of emitted energy is larger than the fraction of energy given to the...
    Shiho Kobayashi, Re’em Sari in Gamma-Ray Bursts in the Afterglow Era
    Conference paper

  4. The INTEGRAL Burst Alert System

    We describe the INTEGRAL Burst Alert System (IBAS): the automatic software developed at the INTEGRAL Science Data Center to allow the rapid...
    Sandro Mereghetti, Davide I. Cremonesi, Jurek Borkowski in Gamma-Ray Bursts in the Afterglow Era
    Conference paper

  5. Beyond the Standard Model

    Some possible directions for physics beyond the Standard Model are reviewed, with particular emphasis on topics relevant to astrophysics and...
    John Ellis in Astronomy, Cosmology and Fundamental Physics
    Conference paper

  6. Cosmic Microwave Background Fluctuations

    Several experiments have recently detected very low contrast, sub-horizon scale structures in the Cosmic Microwave Background (CMB). In the current...
    S. Masi, P. A. R. Ade, ... F. Scaramuzzi in Astronomy, Cosmology and Fundamental Physics
    Conference paper

  7. Evidence for an Accelerating Universe from Type Ia Supernovae

    The expansion history of the universe is revealed by measurements of cosmic distances. Since the various energy components in a Friedmann universe...
    Bruno Leibundgut in Astronomy, Cosmology and Fundamental Physics
    Conference paper

  8. Constraining Cosmological Parameters with Observations of Galaxy Clusters

    Galaxy clusters are ideal probes of the large-scale structure of the Universe and for the tests of cosmological models. Based on the REFLEX redshift...
    Hans Böhringer, Peter Schuecker, ... Chris A. Collins in Astronomy, Cosmology and Fundamental Physics
    Conference paper

  9. The NASA - MIDEX Swift Mission

    The Gamma Ray Bursts as powerful extragalactic sources are one of the major discovery which occurred in the last decade thanks to the BATSE satellite...
    G. Chincarini in Astronomy, Cosmology and Fundamental Physics
    Conference paper

  10. Fundamental Physics with Space Experiments

    I review a category of experiments in fundamental physics that need space as a laboratory. All these experiments have in common the need of a very...
    S. Vitale in Astronomy, Cosmology and Fundamental Physics
    Conference paper

  11. Connections Between Quantum Theory and Cosmology: An Unconventional View

    Usually cosmology is seen as a special part of general relativity. Quantum theory is normally understood as responsible for the small and the very...
    Thomas Görnitz in Astronomy, Cosmology and Fundamental Physics
    Conference paper

  12. A New Unifying Field Spacetime Structure

    Analysis of the data and equations for the solar system and the hydrogen atom identified a unifying spacetime structure intrinsic to the fields. The...
    Bruce Feigler, Margaret Joseph in Astronomy, Cosmology and Fundamental Physics
    Conference paper

  13. High Energy Photon Flux Prediction from Neutralino Annihilation in M 31

    Considering a NFW halo of M 31 made of neutralinos, predictions for the...
    Alain Falvard, Edmond Giraud, ... Richard Taillet in Astronomy, Cosmology and Fundamental Physics
    Conference paper

  14. Cosmic Shear from STIS Pure Parallels - II. Analysis

    The tidal gravitational field due to the inhomogeneous distribution of matter in the Universe causes the distortion of light bundles from distant...
    H. Hämmerle, J.-M. Miralles, ... S. D. M. White in Astronomy, Cosmology and Fundamental Physics
    Conference paper

  15. APPLES: A Parallel Slitless Imaging Survey for ACS

    We present APPLES, the ACS Pure Parallel Ly $\alpha$ Emission...
    Anna Pasquali, Norbert Pirzkal, ... the APPLES Team in Astronomy, Cosmology and Fundamental Physics
    Conference paper

  16. Big Bang Nucleosynthesis of Lithium-7 and the Baryon Density of the Universe

    Thanks to recent nuclear physic compilations, we update Standard Big Bang Nucleosynthesis (SBBN) calculations. By a Monte-Carlo technique, we...
    Elisabeth Vangioni-Flam, Alain Coc, Michel Cassé in Astronomy, Cosmology and Fundamental Physics
    Conference paper

  17. Problems of Cosmological Darwinian Selection and the Origin of Habitable Universes

    For the cosmologist and physicist Lee Smolin, our universe is only one in a much larger cosmos (the Multiverse), a member of a growing community of...
    Rüdiger Vaas in Astronomy, Cosmology and Fundamental Physics
    Conference paper

  18. Thermonuclear Supernovae: Is Deflagration Triggered by Floating Bubbles?

    In recent years, it has become clear from multidimensional simulations that the outcome of deflagrations depends strongly on the initial...
    Eduardo Bravo, Domingo García-Senz in From Twilight to Highlight: The Physics of Supernovae
    Conference paper

  19. Gamma-Ray Bursts and Jet-Powered Supernovae

    The last five years have seen growing challenges to the traditional paradigm of a core collapse supernova powered by the neutrino emission of a young...
    S. E. Woosley, Weiqun Zhang, A. Heger in From Twilight to Highlight: The Physics of Supernovae
    Conference paper

  20. Variety in Supernovae

    Detailed observations of a growing number of supernovae have determined a bloom of new peculiar events. In this paper we take a short tour through...
    Massimo Turatto, Stefano Benetti, Enrico Cappellaro in From Twilight to Highlight: The Physics of Supernovae
    Conference paper
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