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A MEASUREMENT OF THE POSITIVE pi- Mu DECAY LIFETIME
The lifetime for the decay of a {pi} meson into {mu} meson and neutral particle was first measured by Richardson and later by Martinelli and Panofsky. The method was the same in both cases: The fraction of {pi} mesons surviving various times of flight is measured by placing photographic detectors at various path lengths from the target. In the experiment reported here we observe the time lag between the two bursts of fluorescence due to mesons decaying in a scintillation crystal. The first burst is due to the stopping of the entering {pi} meson, the second to the {mu}-meson. As is shown in Fig. 1, a particle penetrating the first and into the second crystal starts the sweep (10{sup -8} sec/mm) of an oscilloscope. The pulses in the second crystal are delayed 0.5 x 10{sup -6} sec to allow the sweep to start and brighten and are then photographed. If the responsible particle is a {pi}{sup +} meson which stops in the crystal, it undergoes {pi}-{mu} decay and two pulses appear on the trace. The {mu}{sup +} meson has a range of only 2 mm in the crystal. If its decay electron is detected some time (.5-2.5 x 10{sup -6} …
Date:
May 10, 1950
Creator:
Chamberlain, O.; Mozely, R.F.; Steinberger, J. & Wiegand, C.
Object Type:
Report
System:
The UNT Digital Library
The El Reno Daily Tribune (El Reno, Okla.), Vol. 58, No. 267, Ed. 1 Tuesday, January 10, 1950
Daily newspaper from El Reno, Oklahoma that includes local, state, and national news along with advertising.
Date:
January 10, 1950
Creator:
Harle, Budge
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The El Reno Daily Tribune (El Reno, Okla.), Vol. 59, No. 243, Ed. 1 Sunday, December 10, 1950
Daily newspaper from El Reno, Oklahoma that includes local, state, and national news along with advertising.
Date:
December 10, 1950
Creator:
Dyer, Ray J.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The El Reno Daily Tribune (El Reno, Okla.), Vol. 59, No. 140, Ed. 1 Thursday, August 10, 1950
Daily newspaper from El Reno, Oklahoma that includes local, state, and national news along with advertising.
Date:
August 10, 1950
Creator:
Harle, Budge
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The El Reno Daily Tribune (El Reno, Okla.), Vol. 59, No. 61, Ed. 1 Wednesday, May 10, 1950
Daily newspaper from El Reno, Oklahoma that includes local, state, and national news along with advertising.
Date:
May 10, 1950
Creator:
Harle, Budge
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The El Reno Daily Tribune (El Reno, Okla.), Vol. 59, No. 218, Ed. 1 Friday, November 10, 1950
Daily newspaper from El Reno, Oklahoma that includes local, state, and national news along with advertising.
Date:
November 10, 1950
Creator:
Dyer, Ray J.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The El Reno Daily Tribune (El Reno, Okla.), Vol. 59, No. 191, Ed. 1 Tuesday, October 10, 1950
Daily newspaper from El Reno, Oklahoma that includes local, state, and national news along with advertising.
Date:
October 10, 1950
Creator:
Dyer, Ray J.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Dublin Progress (Dublin, Tex.), Vol. 61 YEARS, No. 51, Ed. 1 Friday, March 10, 1950
Weekly newspaper from Dublin, Texas that includes local, state, and national news along with advertising.
Date:
March 10, 1950
Creator:
Perry, Francis E.
Object Type:
Newspaper
System:
The Portal to Texas History
The Dublin Progress (Dublin, Tex.), Vol. 62 YEARS, No. 34, Ed. 1 Friday, November 10, 1950
Weekly newspaper from Dublin, Texas that includes local, state, and national news along with advertising.
Date:
November 10, 1950
Creator:
Perry, Francis E.
Object Type:
Newspaper
System:
The Portal to Texas History
The Dublin Progress (Dublin, Tex.), Vol. 61 YEARS, No. 47, Ed. 1 Friday, February 10, 1950
Weekly newspaper from Dublin, Texas that includes local, state, and national news along with advertising.
Date:
February 10, 1950
Creator:
Perry, Francis E.
Object Type:
Newspaper
System:
The Portal to Texas History
The Denison Press (Denison, Tex.), Vol. 22, No. 20, Ed. 1 Friday, November 10, 1950
Weekly newspaper from Denison, Texas that includes local, state and national news along with advertising.
Date:
November 10, 1950
Creator:
Anderson, LeRoy M.
Object Type:
Newspaper
System:
The Portal to Texas History
The Denison Press (Denison, Tex.), Vol. 21, No. 33, Ed. 1 Friday, February 10, 1950
Weekly newspaper from Denison, Texas that includes local, state and national news along with advertising.
Date:
February 10, 1950
Creator:
Anderson, LeRoy M.
Object Type:
Newspaper
System:
The Portal to Texas History
The Shamrock Texan (Shamrock, Tex.), Vol. 47, No. 15, Ed. 1 Thursday, August 10, 1950
Weekly newspaper from Shamrock, Texas that includes local, state, and national news along with advertising.
Date:
August 10, 1950
Creator:
Montgomery, Arval
Object Type:
Newspaper
System:
The Portal to Texas History
The Denison Press (Denison, Tex.), Vol. 21, No. 37, Ed. 1 Friday, March 10, 1950
Weekly newspaper from Denison, Texas that includes local, state and national news along with advertising.
Date:
March 10, 1950
Creator:
Anderson, LeRoy M.
Object Type:
Newspaper
System:
The Portal to Texas History
The Bogata News (Bogata, Tex.), Vol. 38, No. 16, Ed. 1 Friday, February 10, 1950
Weekly newspaper from Bogata, Texas that includes local, state, and national news along with advertising.
Date:
February 10, 1950
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Bogata News (Bogata, Tex.), Vol. 38, No. 20, Ed. 1 Friday, March 10, 1950
Weekly newspaper from Bogata, Texas that includes local, state, and national news along with advertising.
Date:
March 10, 1950
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Bogata News (Bogata, Tex.), Vol. 39, No. 3, Ed. 1 Friday, November 10, 1950
Weekly newspaper from Bogata, Texas that includes local, state, and national news along with advertising.
Date:
November 10, 1950
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The McGregor Mirror and Herald-Observer (McGregor, Tex.), Vol. 61, No. 40, Ed. 1 Friday, March 10, 1950
Weekly newspaper from McGregor, Texas that includes local, state, and national news along with advertising.
Date:
March 10, 1950
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Comanche Chief (Comanche, Tex.), Vol. 78, No. 17, Ed. 1 Friday, November 10, 1950
Weekly newspaper from Comanche, Texas that includes local, state, and national news along with advertising.
Date:
November 10, 1950
Creator:
Wilkerson, J. C.
Object Type:
Newspaper
System:
The Portal to Texas History
The Determination of Total Plutonium in the Presence of Aluminum
Introduction: "The adoption of aluminum nitrate as salting agent in the Redox process made it imperative that a method be available for determining plutonium in the presence of aluminum. However, large amounts of aluminum have been found to interfere with the determination of plutonium by the lanthanum fluoride procedure. Previous attempts to increase the accuracy of the lanthanum fluoride method, by precipitating LaF3 from 4 M HF (rather than 2 M), have been successful only when the initial plutonium level was high."
Date:
February 10, 1950
Creator:
Burns, R. E. & Barton, G. B.
Object Type:
Report
System:
The UNT Digital Library
The Determination of Tributyl Phosphate in Deodorized Shell Base with the Infrared Spectrometer
The following report describes methods used to determine tributylphosphate in a deodorized shell base. An infrared absorption method is developed to emphasize toward determination of TBP in RCW streams, the organic waste streams.
Date:
March 10, 1950
Creator:
Moore, R. H.
Object Type:
Report
System:
The UNT Digital Library
The McGregor Mirror and Herald-Observer (McGregor, Tex.), Vol. 62, No. 23, Ed. 1 Friday, November 10, 1950
Weekly newspaper from McGregor, Texas that includes local, state, and national news along with advertising.
Date:
November 10, 1950
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The McGregor Mirror and Herald-Observer (McGregor, Tex.), Vol. 61, No. 36, Ed. 1 Friday, February 10, 1950
Weekly newspaper from McGregor, Texas that includes local, state, and national news along with advertising.
Date:
February 10, 1950
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Caldwell News and The Burleson County Ledger (Caldwell, Tex.), Vol. 64, No. 15, Ed. 1 Friday, November 10, 1950
Weekly newspaper from Caldwell, Texas that includes local, state and national news along with extensive advertising.
Date:
November 10, 1950
Creator:
Fall, George C.
Object Type:
Newspaper
System:
The Portal to Texas History