Search for exchange-antisymmetric states for spin-0 particles at the 10(-11) level

Year: 2001

Authors: Mazzotti D., Cancio P., Giusfredi G., Inguscio M., De Natale P.

Autors Affiliation: Ist. Nazionale di Ottica Applicata, Largo E. Fermi 6, I-50125 Firenze, Italy; Ist. Naz. per la Fis. della Materia, Europ. Lab. for Nonlinear Spectrosc., Largo E. Fermi 2, I-50125 Firenze, Italy

Abstract: We set a new upper limit of 1.7 x 10(-11) to the probability that two spin-0 O-16 nuclei are in forbidden exchange-antisymmetric states. testing the validity of fundamental principles of quantum mechanics. A newly designed difference-frequency spectrometer is used to look for the existence of these states. The experimental test was performed by tuning the spectrometer across a molecular transition of (CO2)-C-12-O-16 belonging to the rovibrational band at 4.25 mum, connecting the forbidden states (00(0)0, J = 25) and (00(0)1, J = 26).

Journal/Review: PHYSICAL REVIEW LETTERS

Volume: 86 (10)      Pages from: 1919  to: 1922

KeyWords: Calculations; Carbon dioxide; Elementary particles; Frequency modulation; Infrared radiation; Molecular dynamics; Molecules; Neodymium lasers; Spectrometers, Boltzman constant; Difference frequency spectrometer; Exchange antisymmetric states; Molecular transition; Planks constant, Quantum theory
DOI: 10.1103/PhysRevLett.86.1919

Citations: 30
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