slides PDF - Theory Group
slides PDF - Theory Group
slides PDF - Theory Group
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Transverse quark densities<br />
Fourier transform of form factors/GPDs gives probability<br />
Transverse quark distributions:<br />
u-d<br />
NLO: g A,0 --> g A,lat , same with f π<br />
Self consistent HBχPT<br />
LHPC<br />
C. Alexandrou, University of Cyprus PSI, December 18th 2007<br />
1<br />
dx x n-1<br />
! q(x, ! b ) = " d2 # "<br />
(2$ ) 2 ! e -i! b " . ! # !<br />
" q 2<br />
An0 (- #" )<br />
-1<br />
q(x % 1, ! b " ) & ' 2 (b " )<br />
M. Burkardt, PRD62 (2000)<br />
q(x, ! 2 d<br />
b ) = !<br />
2 " !<br />
(2# ) 2 $ e -i! b ! . ! " ! 2<br />
H(x,% = 0, -"! )<br />
as n increases slope of A n0 decreases
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