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Figure 1
Calculated total (Σa + ΣS) cross sections, shown as solid lines, and scattering (ΣS) cross sections, shown as dashed lines, for five gases and air versus neutron wavelength at temperature T = 298 K and pressure P = 1 × 105 Pa. The air composition assumes a water content corresponding to a dew point of Td = 283 K. (Magenta = air, He = red, Ar = blue, N2 = black, H2O = orange and CH4 = green.) Solid symbols correspond to measured total cross sections.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 48| Part 4| August 2015| Pages 1055-1071
https://doi.org/10.1107/S1600576715010729
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