Origin of Elements

Geochemistry and origin of elements of Upper Triassic Olang coal deposits in northeastern Iran

The Olang area is a part of Gheshlagh-Olang synclinal, which is a member of eastern Alborz coal basin and is situated at a distance of70 km northeast of Shahroud city. Coal-bearing strata of this region are part of the Shemshak group (Upper Triassic to Lower Jurassic).Samples from the 9 coal seams of the Olang coal deposits were collected and ashed. The aim of this study is to determine theoccu...

Origin of the main r-process elements

The r-process is supposed to be a primary process which assembles heavy nuclei from a photo-dissociated nucleon gas. Hence, the reaction flow through light elements can be important as a constraint on the conditions for the r-process. We have studied the impact of di-neutron capture and the neutron-capture of light (Z 10) elements on r-process nucleosynthesis in three different environments: ne...

Nuclear Astrophysics Origin of the Elements

Nuclear Astrophysics Origin of the Elements

with the help of a steering committee and was co-sponsored by the American Physical Society's Division of Nuclear Physics. Its goal was to define and summarize the state of the field of nuclear astrophysics and the opportunities for the future of the field. Even though the meeting was organized on relatively short notice, it was attended by over 170 individuals from 68 institutions worldwide, a...

Origin of the Elements in Stars.

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