Properties of pions in (Ä) operations

Properties of pions in (Å) operations

1) [ π ± = ( u _ d ) ]

2) ( π ) 0 = [ ( π + ) _ ( π ) ] = [ ( u d _ ) _ ( u _ d _ ) ] = [ ( π + ) ( π ) ] [ ( u u _ ) ( d d _ ) ]

3) ( π ± ) 0 = [ ( π + ) ( π ) ] virtual neutral pion

4) m [ ( π + ) ( π ) ] = ( π ± ) 0 = m ( π ± ) Equation (11)

5) m ( π + π + ) = m ( π + )

6) m ( π + π ) = m ( π + ) , m ( π )

7) { Δ m ( π ) = [ m ( π ± ) m ( π 0 ) ] } = ( 4.59 ) MeV

8) [ ( π 1 ± π 2 ± ) π 3 ± ]

Δ m ( π i ± π j ± ) = Δ m ( π j ± )

4) m ( π + π ) = m ( π + ) + m ( π )

5) { ( π r 0 ) = ( π + π ) } ; m ( π r 0 ) = 2 m ( π ± )

6) F m [ ( π + π ) ( π + π ) ] = F m [ 2 ( π ± ) 0 ]

7) Δ m [ ( π 1 ± π 2 ) π 0 ] = Δ m [ ( π 1 ± π 2 ) π 0 ]