flukaIR15.html

FLUKA simulations of inelastic beam-gas IR1 and IR5, 4 TeV

New FLUKA model 2013 extending into the arc.
Magnetic fields for squeezed optics, beta*=0.6m, 4 TeV. Including 145 urad crossing angle
beam-gas events sampled homogenously along ideal trajectory between z=22.6 m and z=546.6 m
inelastic interaction on gas atom forced at starting position
no biasing used
FLUKA geometry by L. Esposito, V. Boccone, F. Cerutti, A. Lechner and A. Mereghetti, modified by R. Bruce

Data Files
With 20 GeV cutoff, nitrogen.
download particles entering interface plane IR1, (177 840 000 inelastic interactions simulated)

With 20 GeV cutoff, nitrogen, mumu pair production.
download particles entering interface plane IR1, (299 940 000 inelastic interactions simulated)

With 20 MeV cutoff, nitrogen.
download particles entering interface plane IR1, (28 788 000 inelastic interactions simulated)

Data columns in files:

FLUKA run number (between 1 and 3000)
ID of primary particle (between 1 and 60 000 in each run)
FLUKA particle type (an explanation of the numbers can be found here)
kinetic energy (GeV)
statistical weight (should be 1 for all particles)
X (cm)
Y (cm)
directional cosine w.r.t X-axis
directional cosine w.r.t Y-axis
time (s) since start of primary particle
total energy (GeV)
X_start (cm) : starting position of primary particle
Y_start (cm)
Z_start (cm)
t_start (s) : starting time of primary particle where t=0 is at the entrance of the TCTH