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...

  • divide into 4 jet / 6 jet topologies
  • apply preselection depending on topology
  • train/apply TMVA's
  • validate with cut table
  • check remaining backgrounds

^variables_id_c1.png|||||\ ^variables_id_c2.png|||||\ ^variables_id_c3.png|||||\



...

Preselection variables:

Code Block
Evis<140.0: (4 Jet category)
# nTrks>10 &&
# EvisJETS>60.0 &&&nbsp;
# PTvisJETS>5.0 &&&nbsp;
# hmass>50.  && hmass<140. &&&nbsp;
# fabs(fabs(dph)-3.14159)>0.15  &&&nbsp;
# ej1>40. &&&nbsp;
# jetthrust<0.99

Evis>140: (6 jet category)

# nTrks>20 &&
# EvisJETS<220.0 &&
# PTvisJETS>5.0  &&
# hmass>100. && hmass<150. &&
# fabs(fabs(dph)-3.14159)>0.05 &&
# ej1<130. &&
# jetthrust<0.99

...

^variables_id_c1-nopresel.png|||||\ ^variables_id_c2-nopresel.png|||||\ ^variables_id_c3-nopresel.png|||||\

nu nu H only:

^variables_id_c1-4jonly.png|||||\

Code Block
 --- Classifier   (  #signal, #backgr.)  Optimal-cut  S/sqrt(S+B)      NSig      NBkg   EffSig   EffBkg
--- --------------------------------------------------------------------------------------------------
---       Cuts:  (172.67554,  53762.5)       0.0350      2.42407  5.876106         0  0.03403        0
--- Likelihood:  (172.67554,  53762.5)       0.7786     0.910341  161.7188  31396.51   0.9365    0.584
---     Fisher:  (172.67554,  53762.5)       0.0942      5.84493  34.16319         0   0.1978        0
---       BDTG:  (172.67554,  53762.5)       0.4529      4.48342  20.10101         0   0.1164        0
---        BDT:  (172.67554,  53762.5)       0.1717      5.33182  28.42833         0   0.1646        0
--- --------------------------------------------------------------------------------------------------

...

Code Block
 --- Classifier   (  #signal, #backgr.)  Optimal-cut  S/sqrt(S+B)      NSig      NBkg   EffSig   EffBkg
--- --------------------------------------------------------------------------------------------------
---       Cuts:  (491.39883,  1258440)      -0.0050            0         0         0        0        0
--- Likelihood:  (491.39883,  1258440)       1.0000     0.575508   479.389  693382.9   0.9756    0.551
---     Fisher:  (491.39883,  1258440)       0.0274      1.59132  2.532298         0 0.005153        0
---       BDTG:  (491.39883,  1258440)      -0.9906     0.918097  174.4497  35930.22    0.355  0.02855
---        BDT:  (491.39883,  1258440)       0.0076      2.53129  6.407406         0  0.01304        0
--- --------------------------------------------------------------------------------------------------

Background contributions for Evis<140:

Code Block

 [neal@localhost weights]$ sed 's/\./,/g' zzhpassing.dat | awk '{if ($18<140. && NF==18) print $3,$7,$15}' | sort -n | uniq -c | awk '{if (NF==4) aa+=($1*$4);print $1*$4"\t"$0} END{print "Sum of weights = "aa}' | sort -k 1,1 -n
Sum of weights = 575
12,5          1 106551 4f_ww 12,500000
12,5          1 106562 4f_sz 12,500000
12,5          1 106566 4f_sw 12,500000
12,5          1 106572 4f_sz 12,500000
12,5          1 106575 4f_zz 12,500000
12,5          1 106607 2f_z_ 12,500000
25            2 106571 4f_sz 12,500000
37,5          3 106578 4f_ww 12,500000
75            6 106608 2f_z_ 12,500000
137,5        11 106576 4f_zz 12,500000
225          18 106577 4f_ww 12,500000

Background contributions for Evis>140:

Code Block

 [neal@localhost weights]$ sed 's/\./,/g' zzhpassing.dat | awk '{if ($18>=140. && NF==18) print $3,$7,$15}' | sort -n | uniq -c | awk '{if (NF==4) aa+=($1*$4);print $1*$4"\t"$0} END{print "Sum of weights = "aa}' | sort -k 1,1 -n
Sum of weights = 187,5
12,5          1 106551 4f_ww 12,500000
12,5          1 106577 4f_ww 12,500000
25            2 106553 4f_zz 12,500000
25            2 106573 4f_zz 12,500000
25            2 106576 4f_zz 12,500000
37,5          3 106574 4f_zz 12,500000
50            4 106608 2f_z_ 12,500000