plot(y,xlab="Channel",ylab="Count",lwd=4,pch="-") lines(v[3]*exp(-1/2*(x-v[1])^2/v[2]^2),col=2,lwd=1.4) abline(v = 7813.63,col=4,lwd=1) axis(3,at=7813.63,"5.486 MeV") dev.print(pdf,"../report/calibration.pdf") Alpha Activity plot(data_4_2,xlab="Energy [MeV]",ylab="Count [Alpha Particles]",pch=".") minor.tick(nx=5,ny=2) abline(v = 5.631,col=2,lwd=1) axis(3,at=5.631,"5.6") abline(v = 5.323,col=2,lwd=1) axis(3,at=5.323,"5.3") dev.print(pdf,"../report/activity.pdf")