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Correlations between polarisation states of W particles in the reaction e-e+→W-W+ at LEP2 energies 189-209 GeV
(2009)The European Physical Journal CIn a study of the reaction e − e +→W − W + with the DELPHI detector, the probabilities of the two W particles occurring in the joint polarisation states transverse–transverse (TT), longitudinal–transverse plus transverse–longitudinal (LT) and longitudinal–longitudinal (LL) have been determined using the final states WW→lνqq¯ (l=e,μ). The two-particle joint polarisation probabilities, i.e. the spin density matrix elements ρ TT , ρ LT , ρ ...Journal Article