2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/89147We point out that the presence of a term proportional to the scalar curvature in the Schroedinger equation in curved space can easily be detected in atomic spectra with Russel-Saunders coupling by a violation of the Lande interval rule for adjacent levels E_J-E_{J-1} propto J.Author Information under http://www.physik.fu-berlin.de/~kleinert/institution.html . Latest update of paper (including all PS fonts) at http://www.physik.fu-berlin.de/~kleinert/316Quantum PhysicsExperimental Test for Absence of R-Term in Schroedinger Equation in Curved Spacetext