Drell-Yan Ratios from E866 versus X1 for bins in Mass
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                                          E866 5/21/01

       4 < Mass < 5 GeV
  X1  Fe/Be   err  W/Be  err
 ---- -----  ---- -----  ----
 .250 1.088  .051  .978  .046
 .350  .958  .020  .939  .019
 .450  .942  .019  .933  .018
 .550  .947  .023  .916  .022
 .650  .984  .036  .893  .033
 .750  .920  .060  .834  .055
 .850  .987  .145  .769  .118
 .950  .905  .884 1.035  .907

       5 < Mass < 6 GeV
  X1  Fe/Be   err  W/Be  err
 ---- -----  ---- -----  ----
 .250  .968  .067  .962  .065
 .350 1.006  .029 1.025  .028
 .450  .979  .025  .952  .024
 .550  .961  .031  .956  .030
 .650  .959  .047  .898  .044
 .750 1.039  .097 1.061  .096
 .850  .896  .195  .695  .159

       6 < Mass < 7 GeV
  X1  Fe/Be   err  W/Be  err
 ---- -----  ---- -----  ----
 .250 1.509  .448  .865  .288
 .350  .970  .051  .920  .048
 .450 1.008  .040 1.027  .040
 .550  .970  .043  .970  .042
 .650  .962  .064  .985  .064
 .750  .750  .081  .743  .078
 .850  .841  .223  .760  .202

       7 < Mass < 8 GeV
  X1  Fe/Be   err  W/Be  err
 ---- -----  ---- -----  ----
 .350 1.095  .145  .994  .132
 .450  .973  .069 1.010  .069
 .550 1.061  .075 1.045  .073
 .650 1.035  .097  .927  .087
 .750  .892  .175 1.036  .190
 .850 1.394  .539 1.849  .669