Comparison PYTHIA vs 4 fermion generators

Hints for discrepancy in the Hee analysis:

PYTHIA (x-sect in fb)

-

Generated

Presel.

El.id

No btag

Btag

ZZ

1338

76

45

17

11

Zee

6810

134

67

37

24

WW

15440

572

99

9

4

Wenu

600

8

0.9

0.1

0

Total

24188

790

211.9

63.1

39

4 ferm (Excalibur /Wphact; agreement checked )

eeqq(Ex)

471

95

71

27

16

eeqq(Wp)

1000

110

80

25

13

l+l-qq

262

8

3

0

0

e nu qq

2497

252

67

13

6

l nu qq

4638

115

13

0.9

0.9

qqqq

7618

191

14

0

0

Total

(eeqq Ex)

15486

661

-16%

168

-21%

40.9

-35%

22.9

-41%

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