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Zoology and wildlife conservation

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Abstracts » Zoology and wildlife conservation

Revised rates for the stellar triple-alpha process from measurement of super(12) C nuclear resonances

Article Abstract:

A measurement of the inverse process, where a super(12)C nucleus decays to three alpha-particles, is described. It is also shown that interference between two resonances has important effects on the measured spectrum. The data obtained are used to calculate the triple-alpha rate for temperatures from (super 7)10K to 10(super 10)K and find significant deviations from the standard rates.

Author: Nilsson, Thomas, Fynbo, Hans O.U., Dendooven, Peter, Fulton, Brian R., Jonson, Bjorn, Riisager, Karsten, Diget, Christian Aa., Bergmann, Uffe C., Borge, Maria J.G., Cederkall, Joakim, Fraile, Luis M., Franchoo, Serge, Fedosseev, Valentin N., Wenxue Huang, Huikari, Jussi, Jeppesen, Henrik B., Jokinen, Ari S., Koster, Ulli, Langanke, Karlheinz, Meister, Mikael, Nyman, Goran, Prezado, Yolanda, Rinta-Antila, Sami, Tengblad, Olof, Turrion, Manuela, Youbao Wang, Weissman, Leonid, Wilhelmsen, Katarina, Aysto, Juha
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2005
Supernovae, Supernovas, Nuclear magnetic resonance

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Superficial resonance

Article Abstract:

The author discusses the study on neutron stars. The topics include the analysis of the physical clues to the neutron stars' fundamental properties, and of the nature of the neutron stars' surface and composition revealed via the observation of X-rays emitted from the stars.

Author: Paerels, Frits
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2003
Analysis, Observations, Composition, X-rays, Resonance, Resonance (Physics), Neutron stars, Properties, Emission spectra

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A collimated, high-speed outflow from the dying star V Hydrae

Article Abstract:

The discovery of newly launched, high-speed jet-like outflow in the nearby asymptotic giant branch (AGB) star, V Hydrae is reported. The V Hya jet helps in improving the understanding of astrophysical jets and their operation.

Author: Sahal, R., Morris M., Knapp, G. R., Young, K., Barnbaum, C.
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2003
Planetary nebulae

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Subjects list: Research, United States, Astrophysics
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