Scientific Results

Quantum electrodynamic calculation of the hyperfine structure of He-3

Year: 2012

Authors: Pachucki K., Yerokhin V.A., Cancio P.

Autors Affiliation: Faculty of Physics, University of Warsaw, Hoza 69, 00-681 Warsaw, Poland; St. Petersburg State Polytechnical University, Polytekhnicheskaya 29, St. Petersburg 195251, Russian Federation; Istituto Nazionale di Ottica-CNR (INO-CNR), Via Nello Carrara 1, I-50019 Sesto Fiorentino, Italy; European Laboratory for Non-Linear Spectroscopy (LENS), Dipartimento di Fisica, Universit√° di Firenze, Via Nello Carrara 1, I-50019 Sesto Fiorentino, Italy

Abstract: The combined fine and hyperfine structure of the 23P states in 3He is calculated within the framework of nonrelativistic quantum electrodynamics. The calculation accounts for the effects of order mα6 and increases the accuracy of theoretical predictions by an order of magnitude. The results obtained are in good agreement with recent spectroscopic measurements in 3He.

Journal/Review: PHYSICAL REVIEW A

Volume: 85 (4)      Pages from: 042517  to: 042517

KeyWords: Hyperfine structure; Nonrelativistic; Quantum electrodynamics; Spectroscopic measurements; Theoretical prediction, Quantum electronics, Electrodynamics; He spectroscopy; Fundamental Physics
DOI: 10.1103/PhysRevA.85.042517

Citations: 14
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