Hyperfine Structure of 7Li79,81Br by Molecular‐Beam Electric Resonance

1972 ◽  
Vol 56 (2) ◽  
pp. 855-861 ◽  
Author(s):  
R. C. Hilborn ◽  
T. F. Gallagher ◽  
N. F. Ramsey
Keyword(s):  
Hyperfine Structure ◽  
Molecular Beam ◽  
Electric Resonance

Metastable a 3Π 13CO: Molecular‐Beam Electric‐Resonance Measurements of the Fine Structure, Hyperfine Structure, and Dipole Moment

1971 ◽  
Vol 54 (5) ◽  
pp. 2136-2150 ◽  
Author(s):  
R. H. Gammon ◽  
R. C. Stern ◽  
M. E. Lesk ◽  
B. G. Wicke ◽  
W. Klemperer
Keyword(s):  
Dipole Moment ◽  
Fine Structure ◽  
Hyperfine Structure ◽  
Molecular Beam ◽  
Electric Resonance

Stark-zeeman hyperfine structure of H79 Br and H81 Br by molecular-beam electric-resonance spectroscopy

1973 ◽  
Vol 2 (4) ◽  
pp. 473-477 ◽  
Author(s):  
O.B. Dabbousi ◽  
W.L. Meerts ◽  
F.H. de Leeuw ◽  
A. Dymanus
Keyword(s):  
Hyperfine Structure ◽  
Molecular Beam ◽  
Resonance Spectroscopy ◽  
Electric Resonance

Molecular Beam Investigation of Rotational Transitions. II. The Rotational Levels of KBr and Their Hyperfine Structure

1953 ◽  
Vol 91 (6) ◽  
pp. 1403-1408 ◽  
Author(s):  
B. P. Fabricand ◽  
R. O. Carlson ◽  
C. A. Lee ◽  
I. I. Rabi
Keyword(s):  
Hyperfine Structure ◽  
Molecular Beam ◽  
Rotational Transitions

33S Nuclear Hyperfine Structure in the Rotational Spectrum of Thiazole

1993 ◽  
Vol 48 (12) ◽  
pp. 1219-1222 ◽  
Author(s):  
U. Kretschmer ◽  
H. Dreizler
Keyword(s):  
Fourier Transform ◽  
Hyperfine Structure ◽  
Molecular Beam ◽  
Microwave Spectroscopy ◽  
Coupling Constants ◽  
Rotational Spectrum ◽  
Centrifugal Distortion ◽  
Quadrupole Coupling ◽  
Nuclear Quadrupole ◽  
Centrifugal Distortion Constants

Abstract We investigated the 33S nuclear quadrupole coupling of thiazole- 33S in natural abundance by molecular beam Fourier transform microwave spectroscopy. In addition the 14N nuclear quadrupole coupling could be analyzed with high precision. We derived the rotational constants A = 8529.29268 (70) MHz, B = 5427.47098 MHz, and C = 3315.21676 (26) MHz, quartic centrifugal distortion constants and the quadrupole coupling constants of 33S χaa = 7.1708 (61) MHz and χbb= -26.1749 (69) MHz and of 14N χ aa = -2.7411 (61) MHz and χbb = 0.0767 (69) MHz.

Anomalous transitions in two-level systems driven by the ac Stark effect

2001 ◽  
Vol 79 (2-3) ◽  
pp. 533-545 ◽  
Author(s):  
W L Meerts ◽  
I Ozier ◽  
J T Hougen
Keyword(s):  
Molecular Beam ◽  
Stark Effect ◽  
Electric Resonance ◽  
Avoided Crossing ◽  
Different Types ◽  
Two Level Systems ◽  
Experimental Findings ◽  
Ac Stark Effect ◽  
Unusual Type ◽  
Good Agreement

An unusual type of nonresonant absorption signal produced by the ac Stark effect has been observed in a two-level avoided-crossing system. The theory for these anomalous transitions has been developed. The nonresonant signals have been shown to be caused by the perturbation by the oscillating field of the dephasing of the two-level system at the avoided crossing. A series of measurements of these anomalous transitions has been carried out using the avoided-crossing molecular-beam electric-resonance technique. In addition, different types of resonant multiphoton transitions have been investigated. Results are reported for the AE-barrier anticrossing with J = 1 in CH3SiH3. The experimental findings are in good agreement with the theory developed. PACS Nos.: 33.20Bx, 33.80Be, 42.50Hz

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