--- DarthVader/TrackerLevel2/src/F77/analysissubroutines.f	2007/02/16 14:56:02	1.18
+++ DarthVader/TrackerLevel2/src/F77/analysissubroutines.f	2007/02/20 08:32:52	1.19
@@ -3341,8 +3341,8 @@
          ayv_nt(ip,ntr)   = sngl(ayv(ip))   
 c     l'avevo dimenticato!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
          factor = sqrt( 
-     $        sin( acos(-1.) * sngl(axv(ip)) /180. )**2 +
-     $        sin( acos(-1.) * sngl(ayv(ip)) /180. )**2 + 
+     $        tan( acos(-1.) * sngl(axv(ip)) /180. )**2 +
+     $        tan( acos(-1.) * sngl(ayv(ip)) /180. )**2 + 
      $        1. )
 c     !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
          dedx_x(ip,ntr)   = sngl(dedxtrk_x(ip)/factor)