A Mathematica based Version of the CKMfitter Package
A Mathematica based Version of the CKMfitter Package
A Mathematica based Version of the CKMfitter Package
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6.1. New Physics in B 0 - ¯ B 0 Oscillations 53<br />
strongly suppressed at more than 99.5 % CL, <strong>the</strong> SM-like solution shows a small bias<br />
in 2ϑd, mainly caused by <strong>the</strong> inputs |Vub|incl. and sin 2β.<br />
η<br />
1.5<br />
1<br />
0.5<br />
0<br />
-0.5<br />
-1<br />
γ<br />
α<br />
-1.5<br />
-1 -0.5 0 0.5 1 1.5 2<br />
ρ<br />
β<br />
CKM<br />
1-CL<br />
f i t t e r<br />
ICHEP 2006<br />
0.9<br />
0.8<br />
0.7<br />
0.6<br />
0.5<br />
0.4<br />
0.3<br />
0.2<br />
0.1<br />
0<br />
(rad)<br />
d<br />
2 ϑ<br />
3<br />
2<br />
1<br />
0<br />
-1<br />
-2<br />
CKM<br />
1-CL<br />
f i t t e r<br />
ICHEP 2006<br />
-3<br />
0 1 2 3<br />
r 2<br />
d<br />
4 5 6<br />
Figure 6.5: Constraints within <strong>the</strong> framework <strong>of</strong> New Physics contributions to <strong>the</strong> B 0 - ¯ B 0<br />
mixing amplitude on <strong>the</strong> (¯ρ,¯η) plane (left) and on <strong>the</strong> (r 2 d ,2ϑd) plane (right), obtained from<br />
a global CKM fit including |Vud|, |Vus|, |Vub|, |Vcb|, ∆md, sin 2β, cos 2β, γ, α and ASL.<br />
1 - CL<br />
1<br />
0.8<br />
0.6<br />
0.4<br />
0.2<br />
CKM<br />
f i t t e r<br />
ICHEP 2006<br />
0<br />
0 1 2 3<br />
r 2<br />
d<br />
4 5 6<br />
1 - CL<br />
1<br />
0.8<br />
0.6<br />
0.4<br />
0.2<br />
f i t t e r<br />
ICHEP 2006<br />
0<br />
-3 -2 -1 0<br />
2 ϑ (rad)<br />
1 2 3<br />
Figure 6.6: Confidence level on r 2 d and 2ϑd obtained from <strong>the</strong> global CKM fit, assuming<br />
possible New Physics contributions to <strong>the</strong> B 0 - ¯ B 0 mixing amplitude.<br />
CKM<br />
d<br />
0.9<br />
0.8<br />
0.7<br />
0.6<br />
0.5<br />
0.4<br />
0.3<br />
0.2<br />
0.1<br />
0