set terminal postscript eps color enhanced solid font 'Helvetica, 24pt' size 12.9cm, 8cm  dl .5
set output 'efficiency.eps'



set style line 4 default
set style line 4  ps 0.5 lt 1 lc 18 pt 7 lw 1
set style line 3  ps 0.8 lt 1 lc 1 pt 7 lw 1
set style line 2  ps 0.8 lt 1 lc 3 pt 7 lw 1
set bars 0.25

set xlabel " Time (ns)"
set ylabel "Coincidence rate (cps) " offset 2, 0
set arrow from 4.38, 70 to 5.62, 70 lw 1 nohead front
set arrow from 4.38, 0 to 4.38, 100 lw 1 nohead front
set arrow from 5.62, 0 to 5.62, 100 lw 1 nohead front
set arrow from 11.38, 70 to 12.6, 70 lw 1 nohead front
set arrow from 11.38, 0 to 11.38, 100 lw 1 nohead front
set arrow from 12.6, 0 to 12.6, 100 lw 1 nohead front
set label '{/Symbol t}_c = 1.25 ns = {/Symbol t}_{acc}' at 6, 160
#set xrange [0:2.02]
filename ='g2_smaple.txt'
stats filename u 1:2 nooutput
set xtics 5

set yrange [0:1000]
set xrange [0:14.9]
set ytics nomirror 500
plot filename every ::1::492 u ($1*0.05-20.2):($2) ls 4 notitle ,\
     filename every ::517::632 u ($1*0.05-20.2):($2) ls 4  notitle ,\
     filename every ::657::1000 u ($1*0.05-20.2):($2) ls 4  notitle ,\
     filename every ::493::517 u ($1*0.05-20.2):($2) ls 3 pt 2 title "Coincidence",\
     filename every ::633::656 u ($1*0.05-20.2):($2) ls 2 pt 3 title "Accidental"