TH Thursday Seminar

B -> ππ decays: branching ratios and CP asymmetries

Name: B -> ππ decays: branching ratios and CP asymmetries
Start: 2006-05-11T14:00:00+02:00
End: 2006-05-11T15:00:00+02:00
Location: CERN

by Vysotsky, M. (ITEP, Moscow)

Thursday 11 May 2006, 14:00 → 15:00 Europe/Zurich

TH Auditorium (CERN)

TH Auditorium

CERN

Description

The theoretically motivated smallness of the penguin amplitude in B -> ππ decays allows us to calculate the value of the unitarity triangle angle α(Φ₂) with good accuracy. The relatively large branching ratio of the decay into π⁰ π⁰ is explained by the large value of the FSI phase difference between Δ I = 1/2 and Δ I = 3/2 tree amplitudes.