.. , .. ( , ) e+e- , - , , 26-30 , 2007

e+e- , c (b)- , t-

Q = c, b e+e- , n Qn QNQ

Q : Q (Schumm et al., 1992)

. Kisselev , Petrov EPJC 50 (2007) 21Dokshitzer et al. EPJC 45 (2006) 387 Average corrected measurement .

e+e- , :

- W- t b- ( W-)

k2

t- ( ) (m t = 171 /c2) , - ( t-)(W = 500 )

e+e- 500 , t-:) t-

) W-

(m t = 171 /c2)LHCILC

) W- b-

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(W = 390 , m t = 175 /c2)(Ballistrero et al., 1996)

vs.(OPAL Collaboration, 1999) W- ( )