D
David N. Schramm
Researcher at University of Chicago
Publications - 326
Citations - 16087
David N. Schramm is an academic researcher from University of Chicago. The author has contributed to research in topics: Nucleosynthesis & Neutrino. The author has an hindex of 59, co-authored 325 publications receiving 15224 citations. Previous affiliations of David N. Schramm include University of Illinois at Urbana–Champaign & Max Planck Society.
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Book ChapterDOI
Big Bang Nucleosynthesis and the Density of Baryons in the Universe
TL;DR: In this article, the cosmological baryon density of the universe has been analyzed using the Big Bang Nucleosynthesis (BBN) model and it has been shown that the bulk of the baryons are dark and also that the vast majority of the matter in the universe is non-baryonic.
Journal ArticleDOI
Neutrinos and the age of the universe
TL;DR: In this paper, a consistent age of the universe is reported, whose implications for the constituent mass density are very interesting and are affected by the existence of a third neutrino flavor, and by allowing the possibility that neutrinos may have a non-zero rest mass.
Late-time cosmological phase transitions
TL;DR: In this paper, it is shown that the potential galaxy formation and large-scale structure problems of objects existing at high redshifts (Z {approx gt} 5), structures existing on scales of 100M pc as well as velocity flows on such scales, and minimal microwave anisotropies ({Delta}T/T) { approx lt} 10{sup {minus}5} can be solved if the seeds needed to generate structure form in a vacuum phase transition after decoupling.
Journal ArticleDOI
Superheavy elements from r-process calculations with an energy density mass formula
Journal ArticleDOI
High energy neutrino astronomy
David Eichler,David N. Schramm +1 more
TL;DR: The possibility of doing point source neutrino astronomy is discussed in this paper, where possible sources include galactic nuclei, Seyferts, quasars, radio galaxies, pulsars and supernovae.