Measurement of the spin density matrix for the rho(0), K*(0)(892) and phi produced in Z(0) decays

The spin density matrix elements for the ρ0, K*0(892) and φ produced in hadronic Z0 decays are measured in the DELPHI detector. There is no evidence for spin alignment of the K*0(892) and φ in the region xp ≤ 0.3 (xp = p/pbeam), where ρ00 = 0.33 ± 0.05 and ρ00 = 0.30 ± 0.04, respectively. In the fra...

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Κύριοι συγγραφείς:	Abreu, P, Adam, W, Adye, T, Alekseev, G, Alemany, R, Allport, P, Almehed, S, Amaldi, U, Amato, S, Andersson, P, Andreazza, A, Antilogus, P, Apel, W, Arnoud, Y, Asman, B, Augustin, J, Augustinus, A, Baillon, P, Bambade, P, Barao, F, Barbi, M, Barbiellini, G, Bardin, D, Barker, G, Baroncelli, A
Μορφή:	Journal article
Γλώσσα:	English
Έκδοση:	1997

Measurement of the spin density matrix for the rho(0), K*(0)(892) and phi produced in Z(0) decays

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