Scrabble?! SCATTERINGLY

Definitions of SCATTERINGLY in various dictionaries:

The scattering length in quantum mechanics describes low-energy scattering. It is defined as the following low-energy limit: lim k → 0 k cot ⁡ δ ( k ) = − 1 a , {\displaystyle \lim _{k\to 0}k\cot \delta (k)=-{\frac {1}{a}}\;,} where a {\displaystyle a} is the scattering length, k {\displaystyle k} is the wave number, and δ ( k ) {\displaystyle \delta (k)} is the phase shift of the outgoing spherical wave. The elastic cross section, σ e {\displaystyle \sigma _{e}} , at low energies is determined solely by the scattering length: lim k → 0 σ e = 4 π a 2 . {\displaystyle \lim _{k\to 0}\sigma _{e}=4\pi a^{2}\;.}