As a test sample for 2013, we have produced 258 events, each, for W⁺→e⁺+ν and W^-→e^-+ν. Jinlong has provided some nice Q/A plots for comparison to the 2012 production.

Figure 1

2013 W+→e++ν Test	2012 W+→e++ν Embedding

In Fig. 1 I show a comparison of the 2013 test production to the 2012 production for W⁺. Statistics are still sparse; so, at this stage, conclusions may be premature. The mean 2013 E_T is ~33.6 GeV compared to 32.7 GeV in 2012. The mean Q/p_T is ~0.030/GeV/c in 2013 compared to 0.033/GeV/c in 2012. The RMS may be different, as well; but that stat was not provided. The shift from global to primary tracks does not appear to improve the distributions in the small 2013 sample as in the 2012 production. Perhaps, it's small statistics, but it might be good for me to check that the proper vertex finder is utilized.

Figure 2

2013 W+→e++ν Test	2013 W-→e-+ν Test

In Fig. 2 I show a comparison of the W+ and W- samples for the 2013 test production. In general the comparisons between the two are fairly consistent. Jinlong feels like the efficiency is reasonable.

Figure 3

In Fig. 3 I show the dE/dx of the W⁺ sample for the 2013 test production.