A global data/background comparison

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A global data/background comparison

1. Generate all SM processes
2. Run through simulation / misID matrix
3. Partition data/background into exclusive final
   states
4. Perform a systematic comparison

Industrial strength
Bruce Knuteson University of Chicago
Exotics 13 June 2002
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1. Generate all SM processes

PYTHIA jj, W, Z, ?j, ??, WW, WZ,
tt MADGRAPH eve, eve j, eve jj, eve bb jj,
. . . .
(Only need ? 100k events)
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2. Run through simulation / misID matrix
PGS fast detector simulation (Conway) cdfSim de
tailed detector simulation misID
reconstructed
e ? ? ? j b
e .65 .05
? .39
? 1
? .65
j 4e-5 1
b 1
true
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3. Partition data/background into exclusive
final states
Make use of standard particle ID Reasonably
tight, but not overly tight
e µ ? ? j b ET
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4. Perform a systematic comparison
Wed Jun 5 161249 CDT 2002 With 517
distributions considered in 111 final states in
31.14pb-1, Dissimilarities follow Final state
ps ? data bkg
1mu-1pmiss 86 0 1639 1582.8 - 74.6 (
w 1473.4 , z 109.4 ) 1e-1pmiss2j 50 0
126 108.5 - 24.9 ( jj 1.6 , w 105.2
, ww 1.7 ) 1mu-2j - 0 11 15.2 - 7
( jj 4.2 , z 10.9 ) 1mu-1pmiss2j -
0 16 12.2 - 6.2 ( w 10.5 , ww 1 ,
wz 0.7 ) 1mu-4j - 0 1 1.4 - 1 (
tt 1.4 ) 1e1e- 3 0 388 406.7 - 40.1
( z 406.7 ) 1e1e-1j - 0 62 55.6
- 14.8 ( z 55.3 , zz 0.3 )
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Conclusions
. . . a different (and perhaps profitable) way of
tackling data in Run II
http//hep.uchicago.edu/knuteson/tmp1_real/