Show that an arbitrary n Atilde n unitary matrix has n 2 real parameters, and hence that is the most general form of a 2 Atilde 2 unitary matrix The most general form of (d, s) mixing is where U is an arbitrary 2 Atilde 2 unitary matrix, U U 1 Show that this can be reduced to the form (9 39) by adjusting the arbitrary phases of the quark states s, s ' and d sin Oceiy cos Oce i U e ia cos Oc eB sin Oce iy

Question: Show that an arbitrary n Ã n unitary matrix has n 2 real parameters, and hence that is the most general form of a 2

Show that an arbitrary n Ã— n unitary matrix has n²real parameters, and hence that

sin Oceiy cos Oce-iß U = e-ia cos Oc eB -sin Oce-iy

is the most general form of a 2 Ã— 2 unitary matrix. The most general form of (d, s) mixing is

Show that an arbitrary n × n unitary matrix has

where U is an arbitrary 2 Ã— 2 unitary matrix, U^U = 1. Show that this can be reduced to the form (9.39) by adjusting the arbitrary phases of the quark states s, s' and d.

sin Oceiy cos Oce-i U = e-ia cos Oc eB -sin Oce-iy

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