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---+ Alpgen Production 2008 * Alpgen ttbar + N partons, N = 0,1,2,3,4 * ptjmin = 30, 40, 50 !GeV * Library: 2Qwork * Production of grid2 files. * Maria's rule of thumb: 5+N iterations, where N is the number of light (udsg) partons. * ~ 43000 events per minute. Template file: <verbatim> 1 ! generation mode ttbar4j_40 ! string labeling the output files 0 ! start with: 0=new grid, 1=previous warmup grid, 2=previous generation grid 4000000 5 ! N(events)/iteration and N(iter's) for initial grid optimiz 50000000 ! number evts to generate *** The above 5 lines provide mandatory inputs for all processes *** (Comment lines are introduced by the three asteriscs) *** The lines below modify existing defaults for the hard process under study *** For a complete list of accessible parameters and their values, *** input 'print 1' (to display on the screen) or 'print 2' to write to file njets 4 ebeam 5000 ih2 1 ickkw 1 ptjmin 40 etajmax 5 drjmin 0.7 mt 175 ihvy 6 itdecmode 7 </verbatim> * Tried only 5 iterations for ttbar + 4 jets, trying now with 9 iterations and seeing if it makes a difference. -- Main.ThiagoTomei - 15 Dec 2008 * Using the SPRACE cluster to generate 0,1,2,3 jets. * 4 jets still running in access. * [[%ATTACHURL%/sprace_ALPGEN_submit.py.txt][sprace_ALPGEN_submit.py.txt]]: Script to submit Alpgen generation jobs. -- Main.ThiagoTomei - 16 Dec 2008 | Sample | Asked events | Wgt events | Unw events | Unw efficiency | Matched | Mat. eff.| | ttbar0j_30GeV |50000000|6462816|1136665| | | | | ttbar0j_40GeV |50000000|6462816|1136665| | | | | ttbar0j_50GeV |50000000|6462816|1136665| | | | | ttbar1j_30GeV |50000000|2120429|424774|8.50E-03|159965|0.38| | ttbar1j_40GeV |50000000|2350711|453316|9.07E-03|194990|0.43| | ttbar1j_50GeV |50000000|2585228|506646|1.01E-02|236252|0.47| | ttbar2j_30GeV |50000000|190817|35558|7.11E-04|8410|0.24| | ttbar2j_40GeV |50000000|237619|46028|9.21E-04|12701|0.28| | ttbar2j_50GeV |50000000|298591|59939|1.20E-03|18102|0.3| | ttbar3j_30GeV |50000000|262729|39244|7.85E-04|5835|0.15| | ttbar3j_40GeV |50000000|376197|48051|9.61E-04|8515|0.18| | ttbar3j_50GeV |50000000|339983|56262|1.13E-03|11006|0.2| | ttbar4j_30GeV |50000000|208188|20263|4.05E-04|2760|0.14| | ttbar4j_40GeV |50000000|155193|25736|5.15E-04|3854|0.15| | ttbar4j_50GeV |50000000|180885|30121|6.02E-04|4854|0.16| -- Main.ThiagoTomei - 17 Dec 2008 Grids done. Running showering and matching now. Efficiencies seem to come down a little bit too low. -- Main.ThiagoTomei - 17 Dec 2008
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Topic revision: r9 - 2008-12-18
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