The first second of the Universe

Schwarz D (2003)
Annalen der Physik 12(4): 220-270.

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Zeitschriftenaufsatz | Veröffentlicht | Englisch
Abstract / Bemerkung
The history of the Universe after its first second is now tested by high quality observations of light element abundances and temperature anisotropies of the cosmic microwave background. The epoch of the first second itself has not been tested directly yet; however, it is constrained by experiments at particle and heavy ion accelerators. Here I attempt to describe the epoch between the electroweak transition and the primordial nucleosynthesis. The most dramatic event in that era is the quark-hadron transition at 10 mus. Quarks and gluons condense to form a gas of nucleons and light mesons, the latter decay subsequently. At the end of the first second, neutrinos and neutrons decouple from the radiation fluid. The quark-hadron transition and dissipative processes during the first second prepare the initial conditions for the synthesis of the first nuclei. As for the cold dark matter (CDM), WIMPs (weakly interacting massive particles) - the most popular candidates for the CDM - decouple from the presently known forms of matter, chemically (freeze-out) at 10 ns and kinetically at 1 ms. The chemical decoupling fixes their present abundances and dissipative processes during and after thermal decoupling set the scale for the very first WIMP clouds.
Erscheinungsjahr
Zeitschriftentitel
Annalen der Physik
Band
12
Zeitschriftennummer
4
Seite
220-270
ISSN
eISSN
PUB-ID

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Schwarz D. The first second of the Universe. Annalen der Physik. 2003;12(4):220-270.
Schwarz, D. (2003). The first second of the Universe. Annalen der Physik, 12(4), 220-270. doi:10.1002/andp.200310010
Schwarz, D. (2003). The first second of the Universe. Annalen der Physik 12, 220-270.
Schwarz, D., 2003. The first second of the Universe. Annalen der Physik, 12(4), p 220-270.
D. Schwarz, “The first second of the Universe”, Annalen der Physik, vol. 12, 2003, pp. 220-270.
Schwarz, D.: The first second of the Universe. Annalen der Physik. 12, 220-270 (2003).
Schwarz, Dominik. “The first second of the Universe”. Annalen der Physik 12.4 (2003): 220-270.

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arXiv: astro-ph/0303574

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