Introduction to QCD slides - P.Hoyer.pdf - High Energy Physics Group
Introduction to QCD slides - P.Hoyer.pdf - High Energy Physics Group
Introduction to QCD slides - P.Hoyer.pdf - High Energy Physics Group
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π-<br />
π,<br />
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Paul <strong>Hoyer</strong> Mugla 2010<br />
! "#$ %&'()*<br />
! !" !" #<br />
./0 0 1 2 3 4 5 6 7 .8 08 18 28<br />
⇓<br />
! !" !" #<br />
⇓<br />
elastic<br />
Total and Elastic Hadron Cross Sections<br />
0/0 1 2 3 4 5 6 7 .8 08 18 28 38 48<br />
π ∓ d <strong>to</strong>tal<br />
π − p elastic<br />
π − p <strong>to</strong>tal<br />
Not yet explained<br />
by <strong>QCD</strong><br />
! "#$ %&'()*<br />
Figure 40.13: Total and elastic cross sections for π ± p and π ± d (<strong>to</strong>tal only) collisions as a function of labora<strong>to</strong>ry beam momentum and <strong>to</strong>tal<br />
center-of-mass energy. Corresponding computer-readable data files may be found at http://pdg.lbl.gov/current/xsect/. (Courtesy of the<br />
COMPAS <strong>Group</strong>, IHEP, Protvino, August 2005)<br />
32
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