CLAS FAST-MC

1
CLAS FAST-MC
Main components
1. Generators 1) clasDVCS 2) clas12DIS (PEPSI
/LEPTO for events) 3).. 2. clasev (Detector
acceptance smearing) Input 1) simple
event 2) LUND input from generated data
file Output 1) Ntuple with predefined
(editable) content 2) histo-data file 3).
clas_cvs/12gev/generators
Command line
clasev --trig 10000 -accept config1 --beam
11.0 -ntyes
2
LUND input (a single event) /home/avakian/w9/cla
sdispr.00.e5.725.emin.75tmin.24.xs31.80nb.0.3.dat
Number of tracks in the event
A,Z of target
Polarization of proton and electron
x,y,W2,Q2,n
e
K
L
p
p-
ep -gt eLK -gt e p-pKp0
3
LUND input /home/avakian/w9/clasdispr.00.e5.725.em
in.75tmin.24.xs31.80nb.0.3.dat
Particle number in the event
charge and status
Lund ID
Parent and first daughter line numbers
px py pz Momentum in GeV,
Vx Vy Vz, Vertex in cm
E m
K
L
K
p0
p
p-
ep -gt eLK -gt e p-pKp0
4
? in target fragmentation
e
e
1
p
?
2
p
6
pp- Z-vertex in cm
5
? in target fragmentation
e
e
1
p
?
2
p
L- mass
Mac
Stepan
6
6
Single K electroproduction
generated
reconstructed
6
7
?(pp-) in target fragmentation
e
e
1
p
?
2
p
generated
K
K
p
reconstructed
6
8
single p electroproduction
e
e
1
p
generated
n
D
p
6
reconstructed
9
epp production
e
e
p
p
generated
p-
reconstructed
6
10
pp electroproduction
e
e
1
p
p
pp-
p
r0
pp0
n
6
r
11
epg (DVCS)
e
e
1
p
6
12
single g electroproduction (DVCS)
e
e
1
g
6