ANNUAL PROGRESS REPORT [ON HIGH ENERGY PHYSICS], TASK A, JUNE 1, 1970--MAY 31, 1971. Page: 1 of 36
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flrdue University -
Contract AT(31-1)-1428- Task A
AMUAL PROGRESS REPORT FOR THE PERIOD
June 1, 1970 - May 31. 1971
I' Introduction and General Suusmary
During the year 1970-71 the Purdue High Energy Physics Group has
continued bubble chamber experiments already begun; extended physics analysis
of old data; extended bubble chamber runs on the basis of -interesting current
data; begun vork towards extending current studies by use of spectrometer and
hybrid apparatus at NI, HAL and SLC; ane important progresd in upgrading our
present measuring system; and moved to new quarters in the Physics building.
Publications, .talks, propoaals, and these. resulting from this effort are noted
in section V of this report.
The 230,000 picture 13.1 GeV/c Tip experimnt in the SIAC 82" RBC was
extended by 250,000 pictures while publications continued to emerge from the
first data. An additional 250,000 (total of 7$0,000) have been approved for
next fall. The 360,000 picture e'd run at the same momentum in the same chamber
has been measured, and publications are appearing.' The 150,000 picture K+* run
in the ENL 80" chamber was extended by 250,000 pictures; measurement on some
topologies is now complete for the entire sample; and publications are continuing
to appear. New results from 5- and 6-prong topologies in old 3 Cevlc rd film
from the LRL 72" chamber is being published, as have been further results from
our old K d experiment at 4.5 CeV/c in the ANL 30" chamber. Publication continues
from oar study of pion-pion interaction., based on still older Purdue data. This
marerial is reported in section II of this report.
Purdue staff have taken part in several experiments or in the preparation
for them at BNL, ANL, and PAL. These collaborations are reported in section III.
In each ease these collaborations are related to,or are extensions of, work
piSJR1BUITION OF THis OCUMEWT IS UNDiMI
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ANNUAL PROGRESS REPORT [ON HIGH ENERGY PHYSICS], TASK A, JUNE 1, 1970--MAY 31, 1971., report, October 31, 1971; United States. (https://digital.library.unt.edu/ark:/67531/metadc1033669/m1/1/: accessed March 26, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.