download the file ppfrag02.tar.gz and unpack it,
> tar -xvf ppfrag02.tar.gz
Two examples for a main files (one for antiproton,
another one for gamma spectra), the subroutines frag.f
and param.f, two data files (ap-table.dat and gamfrag.dat),
a Makefile and this Readme file shoud appear.
Compiling the program with a fortran compiler, and
running it
> make aproton
> ./ap.out
and
> make gamma
> ./gam.out
produces as output files:
* aprot.dat
* p+p-gamma0.dat, p+p-gamma0.dat, and He+p-gamma.dat
* The program main_aprot.f contains
as example calls to the subroutine
apspec(e0,epbar,iap,iat) which returns Epbar * d[sig(E0,Epbar)] / d[Epbar]
for primary nuclei with mass number iap =1,..,60,
target nuclei with mass number iat =1,4.
* The main_gamma.f contains
as examples calls to the subroutine
double precision function spec_int(ep,es,id,reac) which
interpolates the energy spectra es*dsigma/des of photons
in the lab system. Its variables are
ep - incident energy per nucleon (GeV);
es - secondary particle energy (GeV);
id - secondary particle type (0 - photon)
reac - production process: 2 - p+He; 3 - He+p using only QGSJET,
0: photon spectra for p+p collisions based on the
non-diffractive part of the Kamae parametrization
for ep<ethr and QGSJET tables for ep>ethr
All cross sections are in mbarn, all energies are the usual relativistic
energy.
