*------------------------------------------------------------------------------------* | | | *------------------------------------------------------------------------------* | | | | | | | | | | | PPP Y Y TTTTT H H III A Welcome to the Lund Monte Carlo! | | | | P P Y Y T H H I A A This is PYTHIA version 8.201 | | | | PPP Y T HHHHH I AAAAA Last date of change: 14 Oct 2014 | | | | P Y T H H I A A | | | | P Y T H H III A A Now is 14 Oct 2014 at 09:59:06 | | | | | | | | Torbjorn Sjostrand; Department of Astronomy and Theoretical Physics, | | | | Lund University, Solvegatan 14A, SE-223 62 Lund, Sweden; | | | | e-mail: torbjorn@thep.lu.se | | | | Jesper Roy Christiansen; Department of Astronomy and Theoretical Physics, | | | | Lund University, Solvegatan 14A, SE-223 62 Lund, Sweden; | | | | e-mail: Jesper.Roy.Christiansen@thep.lu.se | | | | Nishita Desai; Institut fuer Theoretische Physik, | | | | Universitaet Heidelberg, Philosophenweg 16, D-69120 Heidelberg, Germany; | | | | e-mail: Nishita.Desai@cern.ch | | | | Philip Ilten; Massachusetts Institute of Technology, | | | | stationed at CERN, CH-1211 Geneva 23, Switzerland; | | | | e-mail: philten@cern.ch | | | | Stephen Mrenna; Computing Division, Simulations Group, | | | | Fermi National Accelerator Laboratory, MS 234, Batavia, IL 60510, USA; | | | | e-mail: mrenna@fnal.gov | | | | Stefan Prestel; Theoretical Physics Group, | | | | SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA; | | | | e-mail: prestel@slac.stanford.edu | | | | Christine O. Rasmussen; Department of Astronomy and Theoretical Physics, | | | | Lund University, Solvegatan 14A, SE-223 62 Lund, Sweden; | | | | e-mail: christine.rasmussen@thep.lu.se | | | | Peter Skands; School of Physics, | | | | Monash University, PO Box 27, 3800 Melbourne, Australia; | | | | e-mail: peter.skands@monash.edu | | | | | | | | The main program reference is 'An Introduction to PYTHIA 8.2', | | | | T. Sjostrand et al, arXiv:1410.3012 [hep-ph] | | | | | | | | The main physics reference is the 'PYTHIA 6.4 Physics and Manual', | | | | T. Sjostrand, S. Mrenna and P. Skands, JHEP05 (2006) 026 [hep-ph/0603175]. | | | | | | | | An archive of program versions and documentation is found on the web: | | | | http://www.thep.lu.se/~torbjorn/Pythia.html | | | | | | | | This program is released under the GNU General Public Licence version 2. | | | | Please respect the MCnet Guidelines for Event Generator Authors and Users. | | | | | | | | Disclaimer: this program comes without any guarantees. | | | | Beware of errors and use common sense when interpreting results. | | | | | | | | Copyright (C) 2014 Torbjorn Sjostrand | | | | | | | | | | | *------------------------------------------------------------------------------* | | | *------------------------------------------------------------------------------------* *------- PYTHIA Process Initialization --------------------------* | | | We collide p+ with pbar- at a CM energy of 1.960e+03 GeV | | | |------------------------------------------------------------------| | | | | Subprocess Code | Estimated | | | max (mb) | | | | |------------------------------------------------------------------| | | | | Les Houches User Process(es) 9999 | 5.480e-09 | | | *------- End PYTHIA Process Initialization -----------------------* *------- PYTHIA Multiparton Interactions Initialization ---------* | | | sigmaNonDiffractive = 40.89 mb | | | | pT0 = 1.73 gives sigmaInteraction = 141.26 mb: accepted | | | *------- End PYTHIA Multiparton Interactions Initialization -----* *------- PYTHIA Flag + Mode + Parm + Word + FVec + MVec + PVec Settings (changes only) -------------------------* | | | Name | Now | Default Min Max | | | | | | BeamRemnants:halfScaleForKT | 1.50000 | 1.00000 0.0 | | BeamRemnants:primordialKThard | 1.80000 | 2.00000 0.0 | | BeamRemnants:primordialKTsoft | 0.90000 | 0.50000 0.0 | | Beams:frameType | 4 | 1 1 5 | | Beams:LHEF | ttbar.lhe | void | | ColourReconnection:range | 1.80000 | 10.00000 0.0 10.00000 | | Diffraction:largeMassSuppress | 4.00000 | 2.00000 0.0 | | Init:showChangedParticleData | off | on | | Main:numberOfSubruns | 2 | 0 0 | | Main:subrun | 1 | -999 0 | | Main:timesAllowErrors | 3 | 10 0 | | MultipartonInteractions:alphaSvalue | 0.13000 | 0.12700 0.0600000 0.25000 | | MultipartonInteractions:bProfile | 3 | 1 0 4 | | MultipartonInteractions:ecmPow | 0.21500 | 0.24000 0.0 0.50000 | | MultipartonInteractions:ecmRef | 7000.000 | 1800.000 1.00000 | | MultipartonInteractions:expPow | 1.85000 | 1.00000 0.40000 10.00000 | | MultipartonInteractions:pT0Ref | 2.28000 | 2.15000 0.50000 10.00000 | | Next:numberCount | 0 | 1000 0 | | Next:numberShowEvent | 0 | 1 0 | | PDF:pSet | 13 | 2 | | SigmaDiffractive:dampen | on | off | | SigmaDiffractive:maxAX | 65.00000 | 15.00000 0.0 | | SigmaDiffractive:maxXB | 65.00000 | 15.00000 0.0 | | SigmaDiffractive:maxXX | 65.00000 | 15.00000 0.0 | | SigmaProcess:alphaSvalue | 0.13000 | 0.12650 0.0600000 0.25000 | | SigmaTotal:zeroAXB | on | off | | SpaceShower:alphaSvalue | 0.13650 | 0.13700 0.0600000 0.25000 | | SpaceShower:ecmRef | 7000.000 | 1800.000 1.00000 | | SpaceShower:rapidityOrder | on | off | | StringFlav:etaSup | 0.60000 | 0.63000 0.0 1.00000 | | StringFlav:mesonBvector | 2.20000 | 3.00000 0.0 3.00000 | | StringFlav:mesonCvector | 0.88000 | 1.06000 0.0 3.00000 | | StringFlav:mesonSvector | 0.55000 | 0.72500 0.0 3.00000 | | StringFlav:mesonUDvector | 0.50000 | 0.62000 0.0 3.00000 | | StringFlav:popcornSpair | 0.90000 | 0.50000 0.0 1.00000 | | StringFlav:probQQ1toQQ0 | 0.0275000 | 0.0270000 0.0 1.00000 | | StringFlav:probQQtoQ | 0.0810000 | 0.0900000 0.0 1.00000 | | StringFlav:probSQtoQQ | 0.91500 | 1.00000 0.0 1.00000 | | StringFlav:probStoUD | 0.21700 | 0.19000 0.0 1.00000 | | StringPT:sigma | 0.33500 | 0.30400 0.0 1.00000 | | StringZ:aExtraDiquark | 0.97000 | 0.50000 0.0 2.00000 | | StringZ:aLund | 0.68000 | 0.30000 0.0 2.00000 | | StringZ:bLund | 0.98000 | 0.80000 0.20000 2.00000 | | StringZ:rFactB | 0.85500 | 0.67000 0.0 2.00000 | | StringZ:rFactC | 1.32000 | 1.00000 0.0 2.00000 | | TimeShower:alphaSvalue | 0.13650 | 0.13830 0.0600000 0.25000 | | TimeShower:pTmin | 0.50000 | 0.40000 0.10000 2.00000 | | TimeShower:pTminChgQ | 0.50000 | 0.40000 0.10000 2.00000 | | | *------- End PYTHIA Flag + Mode + Parm + Word + FVec + MVec + PVec Settings ------------------------------------* -------- LHA initialization information ------------ beam kind energy pdfgrp pdfset A 2212 980.000 0 7 B -2212 980.000 0 7 Event weighting strategy = 3 Processes, with strategy-dependent cross section info number xsec (pb) xerr (pb) xmax (pb) 81 5.2201e+00 5.3841e-01 1.0000e+00 82 2.6026e-01 1.0625e-01 1.0000e+00 -------- End LHA initialization information -------- -------- LHA event information and listing ---------------------------------------------------------------------- process = 81 weight = 1.0000e+00 scale = 1.7331e+02 (GeV) alpha_em = 7.8198e-03 alpha_strong = 1.1567e-01 Participating Particles no id stat mothers colours p_x p_y p_z e m tau spin 1 2 -1 0 0 101 0 0.000 0.000 108.382 108.382 0.000 0.000 9.000 2 -2 -1 0 0 0 102 0.000 0.000 -279.761 279.761 0.000 0.000 9.000 3 6 2 1 2 101 0 33.629 8.912 -110.596 212.418 177.987 0.000 9.000 4 -6 2 1 2 0 102 -33.629 -8.912 -60.783 175.725 161.166 0.000 9.000 5 24 2 3 0 0 0 -30.885 -12.140 -4.785 86.623 79.871 0.000 9.000 6 5 1 3 0 101 0 64.514 21.052 -105.811 125.794 4.800 0.000 9.000 7 -24 2 4 0 0 0 -50.940 34.881 -75.292 126.217 80.315 0.000 9.000 8 -5 1 4 0 0 102 17.311 -43.792 14.509 49.507 4.800 0.000 9.000 9 -1 1 5 0 0 103 18.584 9.166 18.652 27.882 0.330 0.000 9.000 10 2 1 5 0 103 0 -49.469 -21.306 -23.437 58.741 0.330 0.000 9.000 11 13 1 7 0 0 0 9.691 39.074 -25.560 47.687 0.106 0.000 9.000 12 -14 1 7 0 0 0 -60.632 -4.194 -49.732 78.530 0.000 0.000 9.000 pdf: id1 = 2 id2 = -2 x1 = 1.106e-01 x2 = 2.855e-01 scalePDF = 1.733e+02 pdf1 = 5.530e-01 pdf2 = 3.572e-01 -------- End LHA event information and listing ------------------------------------------------------------------ -------- PYTHIA Info Listing ---------------------------------------- Beam A: id = 2212, pz = 9.800e+02, e = 9.800e+02, m = 9.383e-01. Beam B: id = -2212, pz = -9.800e+02, e = 9.800e+02, m = 9.383e-01. In 1: id = 2, x = 1.106e-01, pdf = 5.530e-01 at Q2 = 3.004e+04. In 2: id = -2, x = 2.855e-01, pdf = 3.572e-01 at same Q2. Process Les Houches User Process(es) with code 9999 is 2 -> 2. Subprocess user process 81 with code 81 is 2 -> 2. It has sHat = 1.213e+05, tHat = -3.834e+04, uHat = -2.529e+04, pTHat = 3.479e+01, m3Hat = 1.780e+02, m4Hat = 1.612e+02, thetaHat = 2.065e+00, phiHat = 2.590e-01. alphaEM = 7.820e-03, alphaS = 1.157e-01 at Q2 = 3.004e+04. Impact parameter b = 1.325e+00 gives enhancement factor = 2.294e-01. Max pT scale for MPI = 1.960e+03, ISR = 1.960e+03, FSR = 1.960e+03. Number of MPI = 1, ISR = 6, FSRproc = 16, FSRreson = 32. -------- End PYTHIA Info Listing ------------------------------------ -------- PYTHIA Event Listing (hard process) ----------------------------------------------------------------------------------- no id name status mothers daughters colours p_x p_y p_z e m 0 90 (system) -11 0 0 0 0 0 0 0.000 0.000 0.000 1960.000 1960.000 1 2212 (p+) -12 0 0 3 0 0 0 0.000 0.000 980.000 980.000 0.938 2 -2212 (pbar-) -12 0 0 4 0 0 0 0.000 0.000 -980.000 980.000 0.938 3 2 (u) -21 1 0 5 6 101 0 0.000 0.000 108.382 108.382 0.000 4 -2 (ubar) -21 2 0 5 6 0 102 0.000 0.000 -279.761 279.761 0.000 5 6 (t) -22 3 4 7 8 101 0 33.629 8.912 -110.596 212.418 177.987 6 -6 (tbar) -22 3 4 9 10 0 102 -33.629 -8.912 -60.783 175.725 161.166 7 24 (W+) -22 5 0 11 12 0 0 -30.885 -12.140 -4.785 86.623 79.871 8 5 b 23 5 0 0 0 101 0 64.514 21.052 -105.811 125.794 4.800 9 -24 (W-) -22 6 0 13 14 0 0 -50.940 34.881 -75.292 126.217 80.315 10 -5 bbar 23 6 0 0 0 0 102 17.311 -43.792 14.509 49.507 4.800 11 -1 dbar 23 7 0 0 0 0 103 18.584 9.166 18.652 27.882 0.330 12 2 u 23 7 0 0 0 103 0 -49.469 -21.306 -23.437 58.741 0.330 13 13 mu- 23 9 0 0 0 0 0 9.691 39.074 -25.560 47.687 0.106 14 -14 nu_mubar 23 9 0 0 0 0 0 -60.632 -4.194 -49.732 78.530 0.000 Charge sum: 0.000 Momentum sum: -0.000 0.000 -171.379 388.143 348.258 -------- End PYTHIA Event Listing ----------------------------------------------------------------------------------------------- PYTHIA Warning in StringFragmentation::fragmentToJunction: bad convergence junction rest frame PYTHIA Abort from Pythia::next: reached end of Les Houches Events File *------- PYTHIA Event and Cross Section Statistics -------------------------------------------------------------* | | | Subprocess Code | Number of events | sigma +- delta | | | Tried Selected Accepted | (estimated) (mb) | | | | | |-----------------------------------------------------------------------------------------------------------------| | | | | | Les Houches User Process(es) 9999 | 200 200 200 | 5.480e-09 5.488e-10 | | ... whereof user classification code 81 | 192 192 192 | | | ... whereof user classification code 82 | 8 8 8 | | | | | | | sum | 200 200 200 | 5.480e-09 5.488e-10 | | | *------- End PYTHIA Event and Cross Section Statistics ----------------------------------------------------------* *------- PYTHIA Error and Warning Messages Statistics ----------------------------------------------------------* | | | times message | | | | 2 Abort from Pythia::next: reached end of Les Houches Events File | | 3 Warning in StringFragmentation::fragmentToJunction: bad convergence junction rest frame | | | *------- End PYTHIA Error and Warning Messages Statistics ------------------------------------------------------* 2014-10-14 09:59 charged particle multiplicity 1.20*10^ 1 X X 1.15*10^ 1 X X 1.10*10^ 1 X X 1.05*10^ 1 X X 1.00*10^ 1 X X X 0.95*10^ 1 X X X 0.90*10^ 1 X X XX 0.85*10^ 1 X X XX 0.80*10^ 1 X X X X XXX X 0.75*10^ 1 X X X X XXX X 0.70*10^ 1 X XXX X XXX X XX XXX X 0.65*10^ 1 X XXX X XXX X XX XXX X 0.60*10^ 1 XXXXXX X XXXXXX XX XXX X 0.55*10^ 1 XXXXXX X XXXXXX XX XXX X 0.50*10^ 1 XXXXXX XXXXXXXX XX XXXXXXXX 0.45*10^ 1 XXXXXX XXXXXXXX XX XXXXXXXX 0.40*10^ 1 XXXXXXXXXXXXXXX XX XXXXXXXX 0.35*10^ 1 XXXXXXXXXXXXXXX XX XXXXXXXX 0.30*10^ 1 XXXXXXXXXXXXXXXXXXXXXXXXXXX 0.25*10^ 1 XXXXXXXXXXXXXXXXXXXXXXXXXXX 0.20*10^ 1 X XX XXXXXXXXXXXXXXXXXXXXXXXXXXXXX X 0.15*10^ 1 X XX XXXXXXXXXXXXXXXXXXXXXXXXXXXXX X 0.10*10^ 1 X X XXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXX 0.05*10^ 1 X X XXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXX Contents *10^ 1 0000000000000000000000000000000010010000100000000000000000000000000000000000000000000000000000000000 *10^ 0 0000000000010102122027687764758726623773098558552011200000000000000000000000000000000000000000000000 *10^-1 0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 *10^-2 0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 Low edge - *10^ 2 0000000000000000000000000111111111111111111111111122222222222222222222222223333333333333333333333333 *10^ 1 0001122233444556667788899000112223344455666778889900011222334445566677888990001122233444556667788899 *10^ 0 1482604826048260482604826048260482604826048260482604826048260482604826048260482604826048260482604826 Entries = 200 Mean = 1.3490e+02 Underflow = 0.0000e+00 Low edge = -5.0000e-01 All chan = 2.0000e+02 Rms = 3.5222e+01 Overflow = 0.0000e+00 High edge = 3.9950e+02