negativ points

Asked by bota

Dear Prof
when i used the code calchep_3.4.1 the batch_file work goode error is 0.46 but when i used code calchep 3.6.25 the error is big and i have negativ point.
what is the probleme ?
my batch_file:
Model: Standard Model
Model changed: False
Gauge: Feynman

Process: e,E->e,E,k,K
Composite: k=ne,nm,nl
Composite: K=Ne,Nm,Nl

p1: 125
p2: 125

Kinematics: 12 -> 34, 56
Kinematics: 34 -> 3, 4
Kinematics: 56 -> 5, 6

Cut parameter: T(e)
Cut invert: False
Cut min: 1
Cut max:

Cut parameter: T(E)
Cut invert: False
Cut min: 1
Cut max:

Cut parameter: M(e,E)
Cut invert: False
Cut min: 1
Cut max:

Regularization momentum: 36
Regularization mass: MW
Regularization width: wW
Regularization power: 2

Regularization momentum: 45
Regularization mass: MW
Regularization width: wW
Regularization power: 2

Regularization momentum: 56
Regularization mass: MZ
Regularization width: wZ
Regularization power: 2

Regularization momentum: 34
Regularization mass: MZ
Regularization width: wZ
Regularization power: 2

Dist parameter: E(e)
Dist min: 0
Dist max: 125
Dist n bins: 300
Dist title: e,E->e,E,k,K
Dist x-title: E(e)(GeV)

Dist parameter: E(E)
Dist min: 0
Dist max: 125
Dist n bins: 300
Dist title: e,E->e,E,k,K
Dist x-title: E(E)(GeV)

Dist parameter: T(e)
Dist min: 0
Dist max: 125
Dist n bins: 300
Dist title: e,E->e,E,k,K
Dist x-title: T(e)(GeV)

Dist parameter: T(E)
Dist min: 0
Dist max: 125
Dist n bins: 300
Dist title: e,E->e,E,k,K
Dist x-title: T(E)(GeV)

Dist parameter: N(e)
Dist min: -5
Dist max: +5
Dist n bins: 300
Dist title: e,E->e,E,k,K
Dist x-title: N(e)(GeV)

Dist parameter: N(E)
Dist min: -5
Dist max: +5
Dist n bins: 300
Dist title: e,E->e,E,k,K
Dist x-title: N(E)(GeV)

Dist parameter: M(e,E)
Dist min: 0
Dist max: 250
Dist n bins: 300
Dist title: e,E->e,E,k,K
Dist x-title: M(e,E)(GeV)

Dist parameter: M(k,K)
Dist min: 0
Dist max: 250
Dist n bins: 300
Dist title: e,E->e,E,k,K
Dist x-title: M(miss)(GeV)

Dist parameter: M(e,k,K)
Dist min: 0
Dist max: 250
Dist n bins: 300
Dist title: e,E->e,E,k,K
Dist x-title: M(e,k,K)(GeV)

Dist parameter: M(E,k,K)
Dist min: 0
Dist max: 250
Dist n bins: 300
Dist title: e,E->e,E,k,K
Dist x-title: M(E,k,K)(GeV)

Dist parameter: C(e)
Dist min: -1
Dist max: +1
Dist n bins: 300
Dist title: e,E->e,E,k,K
Dist x-title: C(e)(GeV)

Dist parameter: C(E)
Dist min: -1
Dist max: +1
Dist n bins: 300
Dist title: e,E->e,E,k,K
Dist x-title: C(E)(GeV)

Dist parameter: C(e,E)
Dist min: -1
Dist max: +1
Dist n bins: 300
Dist title: e,E->e,E,k,K
Dist x-title: C(e,E)(GeV)

Breit Wigner range: 2.7
T-channel widths: ON
GI in T-channel: ON
GI in S-channel: ON

Number of events (per run step): 0
Filename: Dist_eE250kK
nSess_1: 10
nCalls_1: 500000
nSess_2: 15
nCalls_2: 900000

Question information

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CalcHEP Edit question
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Revision history for this message
Alexander Pukhov (pukhov) said :
#1

More likely you forget to implement cut in GUI session.

Cut parameter: M(e,E)
Cut invert: False
Cut min: 1
Cut max:

Then you have a couple of massless electrons produced via virtual photon. It leads to problem.

Best
    Alexander Pukhov

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