HepSim

Repository with Monte Carlo simulations for particle physics

  • June 5, 2020: Moving to a new (larger) web storage
  • May 21, 2020: Filtered 2-leptons in multijet QCD
  • Apr, 24, 2020: MG5/Pythia8 samples for KK+radion model
  • Feb 20, 2020: Several samples for dark QCD processes
  • Nov 28, 2019: DOI (Digital Object Identifier) by OSTI DOE (see osti.gov)
  • Apr 15, 2019: Moving to Globus (Petrel)
  • Sep.10 2018: Zprime/DM event samples
  • Mar.15 2018: Charged Higgs event samples
  • Sep,22 2017: Z+Higgs → nunu+XX event samples
  • Sep,15 2017: Higgs → mu+mu- event samples
  • Sep,10 2017: rfull059 tag with improved tracking strategy
  • Aug.25, 2017: rfull300 for the DPF (ATLAS/CMS -like) detector
  • Aug.7, 2017: J/Psi and Upsilon(S1) event samples for ep 45 GeV
  • Jun.29, 2017: rfull058 tag with improved tracking strategy from D.Blyth
  • Jun.20, 2017: rfull057 tag with alternative tracking strategy from D.Blyth
  • Jun.9, 2017: Reprocessing rfull009 - rfull015 tags after correcting timing problem in SLIC. Using modifications for low-memory footprint
  • Jun.9, 2017: Reprocessing rfull009 - rfull015 tags after correcting timing problem in SLIC. Using modifications for low-memory footprint
  • May.16, 2017: Production of rfull056 using SiEIC(v5) detector for EIC
  • Apr.30, 2017: CLIC 3 TeV e+e- samples using Pythia8
  • Apr.20, 2017: Started production of ep 35 GeV samples
  • Apr.13, 2017: New rfull015 with Geant10.3p1 using SiFCC(v7)
  • Apr.3, 2017: rfull054 and rfull055 using SiEIC(v4) detector
  • Feb.3, 2017: CLIC event samples for e+e- at 380 GeV. Link to events
  • Feb.1, 2017: Updated rfull053 using SiEIC(v3) detector including track timing
  • Nov.12, 2016: Production of rfull053 using SiEIC(v3) detector for EIC
  • Nov.2, 2016: Production of rfull101 using SiCEPC(v2) detector for CEPC
  • Nov.2, 2016: Production of Higgs+V for different CM energies (8-100 TeV pp)
  • Oct.31,2016: Production of rfull052 using SiEIC(v2) detector for EIC
  • Oct.14, 2016: Production of rfast005 for FCC-hh (pp 100 TeV) using Delphes-3.3.3
  • Sep.23, 2016: Production of rfull051 using SiEIC(v1) detector for EIC
  • Sep.15, 2016: Z'(5 TeV) to different channels using several SiFCC(v7) geometries
  • Aug.28, 2016: rfull010, rfull011, rfull012and rfull013 for SiFCC(v7) using HCAL cells from 1 to 20 cm
  • Aug.11, 2016: Production of rfull009 for 100 TeV (pp) with SiFCC-hh (v7) detector using new Pandora
  • Aug.9, 2016: OSG grid pack with new (fast) PandoraPFA from J.Marshall
  • Jul.27, 2016: Simulation of SiFCC-hh (v7) detector for 100 TeV (pp) (rfull008)
  • Jul.24, 2016: Inclusive jets (100 TeV pp)  tev100_qcd_pythia8_ptall
  • Jul.13, 2016: Increase in statistics for ttbar+b (13 TeV pp) to 2.1 ab-1 tev13_mg5_ttbar_bjet
  • Jun.20, 2016: Samples with single and double K-long for calorimeter studies. See KL samples
  • May 19, 2016: Creating rfull007 for the SiFCC-hh (v5) detector with coarse HCAL granularity
  • May 19, 2016: Re-processing rfull006 for SiFCC-hh (v4) after fixing endcap.
  • Apr 8, 2016: H+ttbar (MG5) for 13 TeV (pp) (link)
  • Apr 3, 2016: A new tag for fast simulation of 14 TeV (pp) (rfast004)
  • Mar.29, 2016: Simulation of SiFCC-hh (v4) detector for 100 TeV (pp) (rfull006)
  • Mar.26, 2016. All data sources were redirected to OSG due to a problem at ANL
  • Mar.9, 2016: Fast simulation of ttbar+N jet process (pp, 14 TeV, MG5) (link)
  • Mar.4, 2016: Full simulation of SiFCC-hh (v3) detector for 100 TeV (pp) (rfull005)
  • Feb.5, 2016: Single particles for ITK studies (ATLAS phase II upgrade) (link)
  • Feb.1, 2016: Z' with M=10,20,40 TeV decaying to qqbar, ttbar, WW for full simulations (link)
  • Jan.19, 2016: 10 TeV Z' using a full simulation with 40 and 64 HCAL layers (link)
  • Jan.14, 2016: TTbar+N jet process (pp, 14 TeV, MG5) (link)
  • Jan.06, 2016: Heavy Higgs simulation (mu+mu-, 5 TeV) (link)
  • Dec.17, 2015: Full SiD detector simulation of Zprime (10 TeV) to WW (link)
  • Dec.17, 2015: Heavy higgs simulation for pp at 100 TeV (link)
  • Dec.07, 2015: Full SiD detector simulation of Zprime to tautau (link)
  • Nov.25, 2015: Particle gun samples for detector performance studies (pgun)
  • Nov.18, 2015: Simulation of ttbar+bjet at 13,14,100 TeV (mg5_ttbar_bjet)
  • Nov.9, 2015: Full simulation for e+e- (250 GeV) for SiD-CC (rfull002)
  • Nov.6, 2015: Fast simulation of DIS events for EIC (141gev%rfast001)
  • Oct.22, 2015: DIS events at the EIC collider (141 GeV)
  • Oct.16, 2015: Delphes 3.3 fast simulation for ATLAS-like (13tev%rfast002) and CMS-like (13tev%rfast003) detectors. Same for 14 TeV.
  • Oct.16, 2015: b-tagging was corrected for the tag rfast002
  • Oct.15, 2015: Please update hs-toolkit.tgz
  • Oct.9, 2015: Delphes 3.3 simulation of pp events (100 TeV) using the FCC detector (rfast002)
  • Oct.6, 2015: Full simulation. e+e- events (250 GeV) for the SiD detector (rfull001)
  • Sep.27, 2015: Fast simulation. e+e- events (250 GeV) for the ILD detector (rfast001)

ttbar_mcfm.py (raw text file)
# HepSim script using DataMelt http://jwork.org/dmelt
# Part of =HepMC= : https://atlaswww.hep.anl.gov/asc/hepsim/
# S.Chekanov (ANL)

from java.lang import *
from java.awt import Color,Font
from jhplot import  HPlot,P1D,HLabel,H1D
from jhplot.io import HBook
from proto import FileNLO   # import FileMC
from jhplot.utils import FileList
from hephysics.particle import LParticle # physics
from hepsim import HepSim
import sys

url="";  TotalEvents=10000000
default_www="http://mc.hep.anl.gov/asc/hepsim/events/pp/100tev/ttbar_mcfm/"
if len(sys.argv)>1:
   if sys.argv[1].startswith("http"):
                            flist=HepSim.getList(sys.argv[1])
                            url=sys.argv[1]
   else: flist=FileList.get(sys.argv[1],"promc")
   if (len(sys.argv)>2): TotalEvents=int(sys.argv[2])
else:
   url=default_www; flist=HepSim.getList(url)
if len(flist)==0: print "Error: No input file!"; sys.exit(0)
else: print "Reading "+str(len(flist))+" files. Nr events= ",TotalEvents

bins=[0,30,60,90,120,150,180,210,240,280,320,360,400,500,600,700,800,1000,1500,2000]
minJetPt=50
nPDF=52     # 52 histograms with different PDF
histo=[]
for i in range(nPDF):
      h1=H1D("pdf="+str(i),bins)
      histo.append(h1)

#histo[0].doc()   # check its methods
nev=0;  Nfiles=len(flist)
for m in range(Nfiles):              # loop over all files in this list    
   file=FileNLO(url+flist[m])        # get input file
#   if (m>5): break                   # uncomment for debug
   header = file.getHeader()
   un=float(header.getMomentumUnit()) # convertion units
   lunit=float(header.getLengthUnit())
   nIterations=header.getWeight()     # MCFM Nr of iterations
   NXF=nIterations*Nfiles
   if m==0:
        print "ProMC v=",file.getVersion(), "M unit=",un,"L unit=",lunit
   if (nev>TotalEvents): print "Max Nr of events are done"; break # stop after some events
   for i in range(file.size()):
      if (nev>TotalEvents): break
      nev=nev+1  
      if (nev%20000==0): 
           if (Nfiles==1): print "Event=",nev
           else: print "Event=",nev," done=",int((100.0*m)/Nfiles),"%"
      eve = file.read(i) 
      pa = eve.getParticles()    # particle information
      ve = eve.getEvent()        # event information
      gweight=ve.getFdata(0)     # global weight. 1-gg, 2-gq, 3-qq, 4-qqb
      weight=gweight/NXF         # take into account iterations & Nr of files
      ttbar=[]
      for j in range(pa.getPxCount()):
           p=LParticle(pa.getPx(j)/un,pa.getPy(j)/un,pa.getPz(j)/un,pa.getEnergy(j)/un)
           mass=p.calcMass()
           if (mass>170 and mass<175):   ttbar.append(p)            
      if len(ttbar)==2:
           for k in range(nPDF):
               delta = 1.0-(ve.getIdata(k)/1000.) # PDF errors (1-PDF(i)/PDF(0))*1000
               histo[k].fill(p.perp(),weight*delta)

   file.close()
 
cross=histo[0].sumAllBinHeights()/1000 # convert to pb
print "Total cross section (pb)=",cross
data=[]
for k in range(nPDF):
    newD=histo[k].getDividedByBinWidth()
    newD.scale(0.001) # convert to pb 
    data.append(P1D(newD))

# create P1D with errors evaluated from an array of P1D
xsec=P1D("MCFM CT10")
for j in range(data[0].size()):
     x=data[0].getX(j)
     y=data[0].getY(j)
     errX=0.5*(bins[j+1]-bins[j])
     up=0; dw=0;
     for n in range(1,nPDF):
        d=data[n].getY(j)-y
        if (d>0): up=up+d*d
        if (d<0): dw=dw+d*d
     xsec.add(x,y,errX,errX,Math.sqrt(up),Math.sqrt(dw))
xsec.setErr(1)       # show errors
xsec.setColor(Color.blue)

errors=P1D("Relative errors")
for j in range(xsec.size()):
   y=xsec.getY(j)
   if y !=0:
     errors.add(xsec.getX(j),1,xsec.getXleft(j),xsec.getXright(j),xsec.getYupper(j)/y,xsec.getYlower(j)/y)
errors.setErr(1)
# errors.setErrFillColor(Color.blue,0.3)

c1 =HPlot("=HepSim=",400,600, 1,2)
c1.visible(True)
c1.resizePad(0,0,1.0, 1.5)
c1.resizePad(0,1,1.0, 0.5)

xmin=0
xmax=2000
c1.cd(1,1)
c1.setNameY("d σ / d p_{T} [pb/GeV]")
c1.setNameYpos(-0.01, 0.93)
c1.setMarginLeft(55)
c1.setMarginBottom(0.0)
c1.setTicLabels(0, False)
c1.setRange(xmin,xmax,0.00011,10000)
c1.setLogScale(1,1)

tot=0
for i in range(xsec.size()):
  tot=tot+xsec.getY(i)*(bins[i+1]-bins[i])
l1=HLabel("σ( t#bar{t})=%.3e pb"%cross, 0.15, 0.7, "NDC")
l1.setFont(Font("Helvetica", Font.PLAIN, 15))
c1.add(l1)

l2=HLabel("=HepSim=",0.5,0.87, "NDC")
l2.setColor(Color.gray)
l2.setFont(Font("Helvetica", Font.PLAIN, 14))
c1.add(l2)
c1.draw(xsec)

c1.cd(1,2)
c1.setRange(xmin,xmax,0.7,1.3)
c1.setLegend(False)
c1.setNameY("Ratio")
c1.setNameYpos(-0.01, 0.9)
c1.setMarginTop(0.0)
c1.setMarginLeft(55)
c1.setNameX("p_{T}(H0) [GeV]")
c1.setNameXpos(0.55, 0.1)

from jhplot.shapes  import Line
line = Line(xmin,1.0, xmax, 1.0)
line.setPosCoord("USER")
line.setTransparency(0.5)
c1.add(line)
c1.draw(errors)

# create file/image using name of the file
name="output"
if len(sys.argv[0])>0: name=sys.argv[0].replace(".py","")
file=HBook(name+".jdat","w"); print name+".jdat created"
file.write(xsec)
file.write(errors)
file.close()
c1.export(name+".svg");    print name+".svg created"
# xsec.toFile(name+".txt");  print name+".txt created"
# sys.exit(0)

HEP.ANL.GOV