scattering length

scattering length

[′skad·ə·riŋ ‚leŋkth]
(nuclear physics)
A parameter used in analyzing nuclear scattering at low energies; as the energy of the bombarding particle becomes very small, the scattering cross section approaches that of an impenetrable sphere whose radius equals this length. Also known as scattering power.
References in periodicals archive ?
Practically the same scattering length is obtained from the real k-dependence of the phase shift (see the lower left graph in Fig.
collided gold atoms to produce abundant antiprotons and measured two important parameters of their interaction: the scattering length and the effective range.
b], the scattering length density inside the micelles [[rho].
The neutron-scattering experiments, in this situation, should be performed with protonated polymers where the contrast of some structural elements (defects) is determined by the coherent scattering length density of material.
Bringing together writings by an international group of researchers working in different areas of quantum physics, the proceedings includes such topics as universality in few-body systems with large scattering length, simulations of dilute Fermi gases, normal persistent currents and gross shell structure in high spin, geometric aspects of the shell model, and quantum phase transitions in two-fluid systems.
The authors do not distinguish among light, X-ray, and neutron, excepting their scattering length, q-range, coherence and detection differences.
DenPro also displays the electron density or neutron scattering length density obtained in a crystallography experiment.
By selectively deuterating either the chromophore or the polymer, a difference in the scattering length densities of these two components is introduced without significantly affecting the electron density.
Black, University of North Carolina at Wilmington 11:55-12:15 Measurement of the coherent neutron scattering length of [.
If I(Q) is an intensity of small-angle scattering and [Delta][rho] is a scattering length density difference, then I(Q) is proportional to the square of [Delta][rho] [15]:
Titanium has a negative scattering length and UCN cannot be held in this trap when uncoated.