Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Observed angles in the forward and backward processes. The black line represents the protocol while the filled triangles correspond to both the forward trajectories, first and third rows in green, and the backward trajectories, second and fourth rows in red.
