1 Single-Top NN Training 2 Jets, 1 bTag, t-channel Training 36.0 t-channel events @ 1.5 fb -1 18.6 s-channel events 981.2 background events.

1

Single-Top NN Training

2 Jets, 1 bTag, t-channel Training36.0 t-channel events @ 1.5 fb36.0 t-channel events @ 1.5 fb-1-1

18.6 s-channel events18.6 s-channel events981.2 background events981.2 background events

2

Prepro_iter_mix_#hidden: 912_100_50_15

3

Variation of number of hidden nodes

4

Variation of number of hidden nodes

5

Variation of signal fraction

6

912_100_50_15

Total corr to target: 66% / 184sigmaBest variables:M(lnub) 119 sigmaKA_NN_btag 87 sigmaM(j1j2) 76 sigmaQEta 52 sigmaCos_Theta(lep,q) 29 sigma M_T_lnub 29 sigmaEta_loosej1 22 sigmaEta_W 20 sigmaCos(lep_W,W) 17 sigmaP_T(lnub) 14 sigmaM_T(W) 10 sigmaHT 10 sigma

7

Prepro_iter_mix_#hidden: 612_100_50_15

t-channel signal / sqrt(B*1.2)Sum 3.04CEM 2.30PHX 0.99CMUP 1.56CMX 1.03

s-channel signal / sqrt(B*1.2)Sum 0.82

8

M(lnub)

9

NN btag (KIT NN Flavor Separator)

10

M(j1j2)

11

Q x Eta(lj)

12

Cosθ(lep,lj)

13

MT(lnub)

14

η(loose j1)

15

η(W)

16

Cosθ(lep_W,W)

17

PT(lnub)

18

MT(W)

19

HT