CP Violation in {B_s}^0 > J psi.phi Decays 87 one of the founding fathers formatIsbn:Softcover 9781493953370 one of the founding fathers of European Administrative Law The power of number was an idea the En lightenment thinkers deployed with their legendary passion and vigor Interference occurs between direct decays and decays following virtual particle antiparticle transitions (B_s antiB_s) The phase difference between transition amplitudes (“mixing phase”) is observable and extremely sensitive to contributions from non standard model particles or interactions that may be very hard to detect otherwise – a fact that makes the precise measurement of the B_s mixing phase one of the most important goals of particle physics