必应词典为您提供Cosmic-ray-spallation的释义,un. 宇宙射线散裂;
A correlation in the plot of 124Xe/ 130Xe versus 129Xe/ 130Xe points to a 129Xe/ 126Xe ratio of ≤ 0.84 in xenon from cosmic ray spallation and allows us to set a lower limit on the amount of radiogenic 129Xe from the decay of extinct 129I in the achondrites. The average value...
1、pasquale blasiinaf/arcetri astrophysical observatory4th school on cosmic rays and astrophysics ufabc - santo andr - so paulo brazillecture 1 - plan short historical introduction to crs some observational data basics of cosmic ray transport interaction of particles and waves: why particles diffuse ...
Cosmic-ray propagation at high energies is dominated by escape from the galaxy, which is dependent on particle rigidity (R). From measurements of secondary cosmic rays generated by spallation of primary nuclei in the interstellar medium (ISM), the mean escape length, λe, is known to decrease...
To better understand the early galactic production of Li, Be, and B by cosmic rayspallation and fusion reactions, the dependence of these production rates on cosmic ray models and model parameters is examined. The sensitivity of elemental and isotropic production to the cosmic ray pathlength magnit...
Discovery of beryllium and boron in metal-deficient stars of the Galactic halo population raises raises serious problems about production of these elements by cosmic-ray spallation on interstellar CNO nuclei. Several solutions have been proposed, including confinement of cosmic rays by a strong magnetic...
at still higher energies, into the cosmic ray "knee", there are some disagreements between measurements, suggesting that there are various issues which remain to be resolved in this region. we also emphasize the important role played by measurements of spallation-produced nuclei in cosmic-rays. ...
<Abstrcat>Cosmogenic nuclides found in rocks and sediments at the Earth s surface are produced primarily by three forms of interaction between cosmic rays and minerals: spallation,neutron-capture reactions and muon-induced reactions. 宇宙核素是宇宙射线与地表物质相互作用的产物,具有蜕变、中子捕获和介子...
Starting in 2008, its purpose is to perform accurate, high statistics, long duration measurements of energetic (0.1 GeV to ˜TeV) charged cosmic ray spectra in space, providing fundamental information about key ingredients in the spallation reactions taking place in the interstellar medium. We ...
The power requirements for these acceleration regions are estimated from measurements of the local cosmic ray energy density, anisotropy and spallation-deduced pathlength. Possible constraints on the acceleration spectrum of the cosmic rays and on a charge dependence of the acceleration process, implied ...