Results 271 to 280 of about 66,893 (303)

Heavy-element production in a compact object merger observed by JWST. [PDF]

Nature
Levan AJ, Gompertz BP, Salafia OS, Bulla M, Burns E, Hotokezaka K, Izzo L, Lamb GP, Malesani DB, Oates SR, Ravasio ME, Rouco Escorial A, Schneider B, Sarin N, Schulze S, Tanvir NR, Ackley K, Anderson G, Brammer GB, Christensen L, Dhillon VS, Evans PA, Fausnaugh M, Fong WF, Fruchter AS, Fryer C, Fynbo JPU, Gaspari N, Heintz KE, Hjorth J, Kennea JA, Kennedy MR, Laskar T, Leloudas G, Mandel I, Martin-Carrillo A, Metzger BD, Nicholl M, Nugent A, Palmerio JT, Pugliese G, Rastinejad J, Rhodes L, Rossi A, Saccardi A, Smartt SJ, Stevance HF, Tohuvavohu A, van der Horst A, Vergani SD, Watson D, Barclay T, Bhirombhakdi K, Breedt E, Breeveld AA, Brown AJ, Campana S, Chrimes AA, D'Avanzo P, D'Elia V, De Pasquale M, Dyer MJ, Galloway DK, Garbutt JA, Green MJ, Hartmann DH, Jakobsson P, Kerry P, Kouveliotou C, Langeroodi D, Le Floc'h E, Leung JK, Littlefair SP, Munday J, O'Brien P, Parsons SG, Pelisoli I, Sahman DI, Salvaterra R, Sbarufatti B, Steeghs D, Tagliaferri G, Thöne CC, de Ugarte Postigo A, Kann DA.   +84 more
europepmc   +1 more source

Nucleosynthesis in Supernovae [PDF]

Space Science Reviews, 2018
We present the status and open problems of nucleosynthesis in supernova explosions of both types, responsible for the production of the intermediate mass, Fe-group and heavier elements (with the exception of the main s-process). Constraints from observations can be provided through individual supernovae (SNe) or their remnants (e.g.
Friedrich-Karl Thielemann, J. Isern, A. Perego, P. Ballmoos   +3 more
semanticscholar   +4 more sources

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Supernovae and their Nucleosynthesis

Encyclopedia of Nuclear Physics and its Applications, 2013
Supernovae belong to the most powerful explosions in galaxies (only γ-ray bursts seem to be more energetic). They are also the dominant sources of the elements in the Universe, as the Big Bang led only to the formation of H, He, and Li. Heavier elements (in astronomical terms, metals) are to some extent due to stellar winds, which contribute to C, N, O,
Thielemann, F. -K., Liebendörfer, M.
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Theories of Nucleosynthesis

Space Science Reviews, 1973
A review is presented of current theories of nucleosynthesis. The predicted contributions from (1) cosmological nucleosynthesis, (2) super-massive stars, (3) non-violent (quasi-static) stellar evolution, (4) supernova explosions, (5) cosmic ray interactions with the interstellar medium and (6) nova explosions to the observed solar system abundances are
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Nucleosynthesis

Philosophical Transactions of the Royal Society of London. Series A, Mathematical and Physical Sciences, 1986
Both Big-Bang and stellar nucleosynthesis have outcomes related to the density of baryonic matter, but whereas in the first case there is a standard model that makes very precise predictions of light element abundances as a function of the mean density of baryons in the Universe, in the second case various uncertainties permit only very ...
B. E. J. Pagel, R. J. Tayler
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Essentials of Nucleosynthesis and Theoretical Nuclear Astrophysics

, 2020
Essentials of Nucleosynthesis and Theoretical Nuclear Astrophysics provides a concise summary of the most important concepts and equations related to nucleosynthesis and theoretical nuclear astrophysics and is a suitable basis for a graduate course on ...
T. Rauscher
semanticscholar   +1 more source

Populating the periodic table: Nucleosynthesis of the elements

Science, 2019
Elements heavier than helium are produced in the lives and deaths of stars. This Review discusses when and how the process of nucleosynthesis made elements.
Jennifer A. Johnson
semanticscholar   +1 more source

Primordial nucleosynthesis

The European Physical Journal A, 2016
Big Bang nucleosynthesis (BBN) describes the production of light nuclei in the early phases of the Universe. For this, precise knowledge of the cosmological parameters, such as the baryon density, as well as the cross section of the fusion reactions involved are needed.
Gustavino, C., Andersson, M., Bemmerer, D., Elekes, Zoltán, Trezzi, D.   +4 more
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Primordial Nucleosynthesis

Transactions of the International Astronomical Union, 1988
Primordial nucleosynthesis which is responsible for the formation of the lightest elements (D, 3He, 4HE and 7Li) might be as important as the overall expansion of the Universe and the cosmic background radiation to prove the occurrence of a dense and hot phase for the Unvierse about 15 billion years ago. As recalled in many reviews (e.g. refs.
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An Introduction to Primordial Nucleosynthesis [PDF]

EAS Publications Series, 2007
Primordial nucleosynthesis is one of the three observational evidences for the Big Bang model. Even though they span a range of nine orders of magnitude, there is indeed a good overall agreement between primordial abundances of ^4He, D, ^3He and 7Li either deduced from observation or primordial nucleosynthesis.
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