2 The CDF Experiment at Fermilab Contents - Harvard University ...
2 The CDF Experiment at Fermilab Contents - Harvard University ...
2 The CDF Experiment at Fermilab Contents - Harvard University ...
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94 Section 2: <strong>CDF</strong> Physics Analysis<br />
D s<br />
→ φπ, φ → K + K - / OS lepton<br />
Events / 10 MeV<br />
120<br />
100<br />
80<br />
60<br />
40<br />
130 ± 25 events<br />
20<br />
0<br />
1.75 1.8 1.85 1.9 1.95 2 2.05 2.1 2.15 2.2<br />
m(φπ) (GeV)<br />
Figure 46: Mass plot of D s ! ; ! K + K , with an opposite side lepton which could be<br />
used for a B avor tag.