Examining acceptances with different RP positions

The following plots have higher resolution (200x200) compared to those given in my talk at the UPC/pp2pp meeting on Mar. 16, 2011.  One is for runs 10183013-10183017 earlier in the store; whereas another one is for the runs 10183027-10183028 later in the store in which  RP's wents further towards the beampipe.