2026-09-24T09:08:55Zhttps://dspace.mit.edu/server/oai/requestoai:dspace.mit.edu:1721.1/82922022-01-13T07:54:41Zcom_1721.1_7582com_1721.1_7581col_1721.1_131022
Daniel Kleppner.
De Vries, Joel Christopher, 1971-
Massachusetts Institute of Technology. Dept. of Physics.
Massachusetts Institute of Technology. Department of Physics
2005-08-23T18:56:37Z
2005-08-23T18:56:37Z
2001
2002
http://hdl.handle.net/1721.1/8292
50421471
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, February 2002.
Includes bibliographical references (p. 161-163).
The Rydberg frequency, cR[infinity], sets the frequency scale for the spectrum of hydrogen atoms. From a frequency measurement of one transition in hydrogen, cR[infinity] can be extracted and the frequency of any other transition can be predicted, given that the reduced-mass, relativistic, QED, and proton structure corrections can be computed to the desired accuracy. Recent advances in optical frequency techniques applied to transitions involving low-lying states of hydrogen have decreased the uncertainty in cR[infinity], to 7.6 x 10⁻¹². This thesis presents our measurement of cR[infinity] using millimeter-wave transitions between high-lying "circular Rydberg" states of atomic hydrogen with a principle quantum number, n, between 27 and 30. This measurement provides an independent check, in a different regime, of the optical measurements. Our measurement, cR[infinity] = 3 289 841 960 306(69) kHz with an uncertainty of 2.1 x 10⁻¹¹, is consistent with the CODATA 98 recommended value.
by Joel Christopher De Vries.
Ph.D.
166 p.
11163100 bytes
11162860 bytes
application/pdf
application/pdf
eng
Massachusetts Institute of Technology
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http://dspace.mit.edu/handle/1721.1/7582
Physics.
A precision millimeter-wave measurement of the Rydberg frequency
Thesis
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<Abstract>The Rydberg frequency, cR[infinity], sets the frequency scale for the spectrum of hydrogen atoms. From a frequency measurement of one transition in hydrogen, cR[infinity] can be extracted and the frequency of any other transition can be predicted, given that the reduced-mass, relativistic, QED, and proton structure corrections can be computed to the desired accuracy. Recent advances in optical frequency techniques applied to transitions involving low-lying states of hydrogen have decreased the uncertainty in cR[infinity], to 7.6 x 10⁻¹². This thesis presents our measurement of cR[infinity] using millimeter-wave transitions between high-lying "circular Rydberg" states of atomic hydrogen with a principle quantum number, n, between 27 and 30. This measurement provides an independent check, in a different regime, of the optical measurements. Our measurement, cR[infinity] = 3 289 841 960 306(69) kHz with an uncertainty of 2.1 x 10⁻¹¹, is consistent with the CODATA 98 recommended value.</Abstract>
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