A b s t r a c t . W e u s e PATRICIA t o s t u d y t h e q u a l i t y of t h e m u l t i p o l a r c o n t r i b u t i o n i n t h e Window Frame Dipoles (WFD) . In o r d e r t o avoid p o s s i b l e n o i s e w i t h i n s e t i o n s , w e o n l y u s e 81 c h a r a c t e r i s t i c RHIC c e l l : As w e want t o make a comparison w i t h ? a v a i l a b l e i n f o r m a t i o n on t h e Dedicated R H I C d i p o l e s (DRD), w e o n l y determine t h e a p p e r t u r e of WFD ' f o r some v a l u e s of . A ? / P I .