Cezanne's painting?

Authentic/Fake?

History

= AUTHENTIC

Electromagnetic Spectrum

Ultraviolet Spectrum

Polyene

= FAKE

UV Spectroscopy

= FAKE

Infrared Spectroscopy

= FAKE

IR Refractography

= FAKE

XRF

= AUTHENTIC

Mercury Lamp

Long Wave UV

= AUTHENTIC

Short wave UV

= AUTHENTIC