⚛️ Neutron Diffraction: De Broglie Wavelength, Bragg Angle and the Scattering Triangle (2D)

2D diagram of neutron diffraction from a crystal. Set neutron energy, lattice spacing, diffraction order and flight path and read the de Broglie wavelength, speed, Bragg angle, momentum transfer and time of flight, with the reciprocal-space scattering triangle. Same relations as the 3D spectrometer page, with four in-page numerical checks.