Results 41 to 50 of about 884,607 (65)

Entrance Channel Dynamics of Hot and Cold Fusion Reactions Leading to Superheavy Elements

open access: yes, 2010
We investigate the entrance channel dynamics for the reactions $\mathrm{^{70}Zn}+\mathrm{^{208}Pb}$ and $\mathrm{^{48}Ca}+\mathrm{^{238}U}$ using the fully microscopic time-dependent Hartree-Fock (TDHF) theory coupled with a density constraint.
Maruhn, J. A.   +3 more
core   +1 more source

Characterization of the noble gases and CRE age of the D'Orbigny angrite [PDF]

open access: yes, 2002
Introduction: The D’Orbigny angrite, a 16.55 kg stone, was found 1979 in Argentina [1]. Mineralogy and chemistry of this meteorite were characterized in detail [2-6]. A Pb-U-Th age of 4.559 Ga was obtained for pyroxenes by Jagoutz et al. [7].
Busemann, H.   +4 more
core  

Early history of the moon: Implications of U-Th-Pb and Rb-Sr systematics [PDF]

open access: yes
Anorthosite 60015 contains the lowest initial Sr-87/Sr-86 ratio yet reported for a lunar sample. The initial ratio is equal to that of the achondrite Angra dos Reis and slightly higher than the lowest measured Sr-87/Sr-86 ratio for an inclusion in the C3
Numes, P. D.   +2 more
core   +1 more source

Earthtime Lesson Plan for U/Pb Dating (grade 8-12) [PDF]

open access: yes
The Earthtime Lesson Plan is a complete description of a radiometric dating module taught to high school students at MIT. U/Pd dating and it's uses, teacher background, materials needed, time frame and National Science Standards are all provided as well ...

core  

High spatial-resolution isotope geochemistry of monazite (U-Pb & Sm-Nd) and zircon (U-Pb & Lu-Hf) in the Old Woman Piute Range Batholith, Mojave Desert, California [PDF]

open access: yes, 2014
Darling, James   +5 more
core  
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