[time-nuts] Zeeman effect and tuning cesium clocks

Bill Hawkins bill at iaxs.net
Sat Jan 22 22:30:35 EST 2005


What a gold mine of knowledge is available at that site.
They offer the full text of papers from 1999 on. There
was a hiccup in 2000. If you select any paper from session
32, you get a 66 MB file of all of the papers - the entire
proceedings of the conference.

Many thanks for the reference.

Bill Hawkins

-----Original Message-----
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com]On
Behalf Of Joe Geller
Sent: Saturday, January 22, 2005 6:41 PM
To: bill at iaxs.net, Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] Zeeman effect and tuning cesium clocks


>>There is no clue as to how to retrieve the article ...

The library at the Naval Observatory in Washington can probably get a copy
for you, see:

http://tycho.usno.navy.mil/ptti/index6.html

INDEX TO THE PROCEEDINGS OF THE PRECISE TIME AND TIME INTERVAL (PTTI)
SYSTEMS AND APPLICATIONS
(FORMERLY APPLICATIONS AND PLANNING) MEETING

The entry for each paper is preceded by a hyphenated numerical code
indicating its subject, Proceedings volume number, and page number therein,
i.e, 06-02-129 represents subject category "6", Proceedings volume number
"2" and page number "129". The following index covers the PTTI Proceedings
from the 2nd (1970) through the 34th (2002). The subject category for the
following papers is:

6. ATOMIC AND MOLECULAR FREQUENCY STANDARDS

06-07-231     Demonstration of the Frequency Offset Errors Introduced by an
Incorrect Setting of the Zeeman/Magnetic Field
                Adjustment on the Cesium Beam Frequency Standard; D. C.
Kaufmann


Regards,

Joe Geller




On Sat, 22 Jan 2005 18:18:45 -0600, Bill Hawkins wrote:
> The discussion of cesium (or Caesium) beam clocks has shaken my
> feeling that there had to be an absolute clock in physics
> somewhere. I guess that's why NIST at Boulder is still coming up
> with new oscillators.
>
> Searching Google for the elusive Zeeman produced this link to a
> 1976 paper by D.C. Kaufmann:
>
> http://adsabs.harvard.edu/cgi-bin/nph-
> bib_query?bibcode=1976STIN...7625444K& amp;db_key=INST
>
> (Copy the rest of the link and paste it to the first part in your
> browser if your mail program split the link line.)
>
> The title is, "Demonstration of the frequency offset errors
> introduced by an incorrect setting of the Zeeman/magnetic field
> adjustment on the cesium beam frequency standard"
>
> The Journal is Unknown. There is no clue as to how to retrieve the
> article.
>
> Now I'm wondering how they ever got two portable cesium beam clocks
> of the seventies to show relativistic affects when their accuracy
> depends on external magnetic fields.
>
> What does Boulder use for secondary standards to transfer the
> frequency of the near-perfect oscillator to Fort Collins?
>
> Maybe I should go back to looking for the perfect pendulum, but I
> fear gravity will prove to be inconstant.
>
> Regards,
> Bill Hawkins
>
>
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> time-nuts at febo.com
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