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. 1993 Jan-Feb;98(1):1–13. doi: 10.6028/jres.098.001

Table 1.

Neutron and x-ray scattering characteristicsa,b,c

Element/isotope bcoh(fm) σcoh(fm2) σtot(fm2) fx-ray(fm)
1H −3.74   1.76 81.7    0.2
2H   6.67   5.59 7.6  0.2
 C   6.65   5.55   5.55  4.8
 N   9.36 11.01 11.50  5.3
 O   5.80   4.23   4.23  6.2
  Al   3.45   1.50   1.50   15.5
  Fe   9.54 11.44 11.83   33.0
 W   4.77   2.86   4.86 114.0
 U   8.42   8.90   8.91 148.0
a

Neutron characteristics from V. F. Sears, in Methods of Experimental Physics: Neutron Scattering, Vol. 23A, eds. K. Sköld and D. L. Price, Academic Press, Inc. (1986) pp. 521–550.

b

bcoh= coherent scattering length, σcoh = bound-atom coherent scattering cross section, σcoh = coherent + incoherent scattering cross sections.

c

Atomic scattering factors for x rays (sin θ/λ =5 nm−1) from G. E. Bacon, Neutron Diffraction, 3rd Edition, Clarendon Press, Oxford (1975) pp. 38–41.