• Publications
  • Influence
Primordial nucleosynthesis redux
The abundances of D, He-3, He-4, and Li-7, are presently recalculated within the framework of primordial nucleosynthesis in the standard hot big band model, in order to estimate the primordialExpand
  • 544
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Nucleosynthesis, neutrino bursts and γ-rays from coalescing neutron stars
NEUTRON-STAR collisions occur inevitably when binary neutron stars spiral into each other as a result of damping of gravitational radiation. Such collisions will produce a characteristic burst ofExpand
  • 1,192
  • 42
Big-bang nucleosynthesis enters the precision era
The last parameter of big-bang nucleosynthesis, the baryon density, is being pinned down by measurements of the deuterium abundance in high-redshift hydrogen clouds. When it is determined, it will
  • 238
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  • PDF
Black-Hole-Neutron-Star Collisions
  • 397
  • 16
Big-bang nucleosynthesis and the baryon density of the universe
For almost 30 years, the predictions of big-bang nucleosynthesis have been used to test the big-bang model to within a fraction of a second of the bang. The agreement between the predicted andExpand
  • 252
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Geological Isotope Anomalies as Signatures of Nearby Supernovae
Nearby supernova explosions may cause geological isotope anomalies via the direct deposition of debris or by cosmic-ray spallation in the earth's atmosphere. We estimate the mass of materialExpand
  • 87
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Could a nearby supernova explosion have caused a mass extinction?
  • J. Ellis, D. Schramm
  • Physics, Medicine
  • Proceedings of the National Academy of Sciences…
  • 2 March 1993
We examine the possibility that a nearby supernova explosion could have caused one or more of the mass extinctions identified by paleontologists. We discuss the possible rate of such events in theExpand
  • 89
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  • PDF
Tidal Disruption Of Neutron Stars By Black-Holes In Close Binaries
The formation of close, doubly compact binary systems from close massive binaries is considered. Massive X-ray binaries are shown to be possible progenitors of these systems. The recent observationExpand
  • 240
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Neutrino Opacities at High Temperatures and Densities
A detailed calculation is made of the major cross sections contributing to neutrino opacities at high temperatures and densities such as those encountered in gravitational collapse. TheseExpand
  • 133
  • 6
Dust in the Universe
The possible existence of intergalactic dust with properties similar to interstellar dust is examined in some detail. If such dust does exist, it could result in a correction to the observedExpand
  • 64
  • 6
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