Assertion: deuteron's size | /r/HasProperty | proportional
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Source sentences:
text: A simple estimation of energy dependence of any kind of cross section is provided by the Ramsauer Model, which is based on idea that the effective size of a neutron is proportional to the breadth of the probability density function of where the neutron is likely to be, which itself is proportional to the neutron's thermal de Broglie wavelength.