Heng's sideward flow paper
Draft #4 (version seen by referees) (.ps)
Referee reports
Response to referee reports
Draft #5 (30 March '00) (.ps)
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Main supporting material
Extra material on deuteron contamination
New corrections for pion contamination
Page requested by Jim (method III vs IV)
Main USB page on proton flow at 6A GeV
Additional USB material (5 April '00)
In December 1999, we began to suspect (mistakenly, as it turns out) that
there was a significant discrepancy in <px> between
BTF and JTF. This prompted the tracker comparison by Paul and Roy (2nd last
link above). The latter quotes a preliminary
JTF flow calculated by Heng, which was amended later, and also quotes
Heng's flow from his primary BTF analysis before his final correction for
pion contamination. Also, there is a typo in the final table for the
USB result based on BTF. The following table gives the best "final values"
at 6A GeV beam energy for the slope F = d<px>/dy
in MeV/c:
| |
JTF |
BTF |
| Heng | 196 |
171 |
| USB | 200 |
186 |
Subsequently, Richard has carried out a
slow simulator study
which serves to confirm that (a) we need not be concerned about tracker
differences in sideward flow analyses, and (b) the detector distortion
using the py slice approach is within error bars for
both trackers over the rapidity range of interest.
Last Updated: May 20, 2000