set term png enhanced transparent 
set grid
set key bottom right
unset logscale; set logscale y
set title 'gamma p —> eta p'
set xlabel 't (GeV^2)'
set ylabel 'Dsigma/Dt (micro b/GeV^2)'
set output 'plot_dsigdt_t_proton.png'
plot 'outputfile_etaphot_proton.txt' using 1:3 w l ls 2 lw 3 lc rgb "blue" title 'Model'

set grid
set key bottom right
unset logscale; set logscale y
set title 'gamma p —> eta p'
set xlabel 'Cos theta'
set ylabel 'Dsig/DOmega (micro b)'
set output 'plot_dsigdomega_cost_proton.png'
plot 'outputfile_etaphot_proton.txt' using 2:4 w l lt -1 lw 3 lc rgb "red" title 'Model'

set grid
set key bottom right
unset logscale;
set title 'gamma p —> eta p'
set xlabel 't (GeV^2)'
set ylabel 'Sigma'
set output 'plot_sigma_t_proton.png'
plot 'outputfile_etaphot_proton.txt' using 1:5 w l lt -1 lw 3 lc rgb "blue" title 'Model'

set grid
set key bottom right
unset logscale;
set title 'gamma p —> eta p'
set xlabel 'Cos theta'
set ylabel 'Sigma'
set output 'plot_sigma_cost_proton.png'
plot 'outputfile_etaphot_proton.txt' using 2:5 w l lt -1 lw 3 lc rgb "red" title 'Model'