Rare B meson decays - mathieu trocmé

III- Analysis Method 41
Practically, this leads to the following schemes:
s+b
s /
s+b
s /
4
3.5
3
2.5
2
1.5
1
0.5
s/
s+b
vs |cosθt|
0
0 0.2 0.4 0.6 0.8 1
| cos θ |
3
2.5
2
1.5
1
0.5
s/
s+b
vs |cosθt|
0
0 0.2 0.4 0.6 0.8 1
| cos θ |
Figure 17: Real example of the optimisation interest via the error calculation of the
statistical significance σ. The second scheme obviously contains more relevant
information than the first one. A relevant value for the cut can thus be determined.
t
t