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General analysis of time evolution of decay spectrum in B-0 -> pi(+)pi(-)l(+)l(-)

Using the general, model-independent form of effective Hamiltonian, the decay spectrum of B-0 --> pi(+)pi(-)l(+)l(-) decay is studied. The sensitivity of experimentally measurable asymmetries to the new Wilson coefficients and time is studied. It is observed that different asymmetries are sensitive to the new Wilson coefficients and they can serve as an efficient tool for establishing new physics beyond SM. (C) 2002 Published by Elsevier Science B.V.