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absorption cross section |
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absorption cross section [əb′sȯrp·shən ¦krȯs ′sek·shən] (electromagnetism) In radar, the ratio of the amount of power removed from a beam by absorption of radio energy by a target to the power in the beam incident upon the target. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| ? Mentioned in | ? References in periodicals archive | ||
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| Since cold neutrons will depolarize in a liquid
deuterium target in which the scattering cross section is much larger
than the absorption cross section, it will be necessary to quantify the
loss of polarization before capture. The neutron absorption cross section [sigma] is inversely
proportional to neutron velocity, and therefore proportional to the
neutron's deBroglie wavelength [lambda]. |
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