*------------------------------------------------------------------------------------* | | | *------------------------------------------------------------------------------* | | | | | | | | | | | 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 8.170 | | | | PPP Y T HHHHH I AAAAA Last date of change: 21 Sep 2012 | | | | P Y T H H I A A | | | | P Y T H H III A A Now is 21 Sep 2012 at 21:33:14 | | | | | | | | Torbjorn Sjostrand; Department of Astronomy and Theoretical Physics, | | | | Lund University, Solvegatan 14A, SE-223 62 Lund, Sweden; | | | | phone: + 46 - 46 - 222 48 16; e-mail: torbjorn@thep.lu.se | | | | Stefan Ask; Department of Physics, University of Cambridge, | | | | Cavendish Laboratory, JJ Thomson Ave., Cambridge CB3 0HE, UK; | | | | phone: + 41 - 22 - 767 6707; e-mail: Stefan.Ask@cern.ch | | | | Richard Corke; Niels Bohr Institute, University of Copenhagen, | | | | Blegdamsvej 17, 2100 Copenhagen, Denmark; | | | | e-mail: richard.corke@thep.lu.se | | | | Stephen Mrenna; Computing Division, Simulations Group, | | | | Fermi National Accelerator Laboratory, MS 234, Batavia, IL 60510, USA; | | | | phone: + 1 - 630 - 840 - 2556; e-mail: mrenna@fnal.gov | | | | Stefan Prestel; Department of Astronomy and Theoretical Physics, | | | | Lund University, Solvegatan 14A, SE-223 62 Lund, Sweden; | | | | phone: + 46 - 46 - 222 06 64; e-mail: stefan.prestel@thep.lu.se | | | | Peter Skands; Theoretical Physics, CERN, CH-1211 Geneva 23, Switzerland; | | | | phone: + 41 - 22 - 767 2447; e-mail: peter.skands@cern.ch | | | | | | | | The main program reference is the 'Brief Introduction to PYTHIA 8.1', | | | | T. Sjostrand, S. Mrenna and P. Skands, Comput. Phys. Comm. 178 (2008) 85 | | | | [arXiv:0710.3820] | | | | | | | | 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) 2012 Torbjorn Sjostrand | | | | | | | | | | | *------------------------------------------------------------------------------* | | | *------------------------------------------------------------------------------------* *------- PYTHIA Process Initialization --------------------------* | | | We collide p+ with p+ at a CM energy of 8.000e+03 GeV | | | |------------------------------------------------------------------| | | | | Subprocess Code | Estimated | | | max (mb) | | | | |------------------------------------------------------------------| | | | | f fbar -> gamma*/Z0 gamma*/Z0 231 | 2.815e-07 | | f fbar' -> Z0 W+- (no gamma*!) 232 | 3.934e-07 | | f fbar -> W+ W- 233 | 4.239e-07 | | | *------- End PYTHIA Process Initialization -----------------------* *------- PYTHIA Flag + Mode + Parm + Word Settings (changes only) ----------------------------------------------* | | | Name | Now | Default Min Max | | | | | | BeamRemnants:reconnectRange | 1.50000 | 10.00000 0.0 10.00000 | | Beams:eCM | 8000.000 | 14000.000 10.00000 | | MultipartonInteractions:alphaSvalue | 0.13500 | 0.12700 0.0600000 0.25000 | | MultipartonInteractions:bProfile | 3 | 1 0 4 | | MultipartonInteractions:ecmPow | 0.19000 | 0.24000 0.0 0.50000 | | MultipartonInteractions:expPow | 2.00000 | 1.00000 0.40000 10.00000 | | MultipartonInteractions:pT0Ref | 2.08500 | 2.15000 0.50000 10.00000 | | PartonLevel:all | off | on | | PDF:pSet | 8 | 2 1 12 | | 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 | 0.13500 | 0.12650 0.0600000 0.25000 | | SigmaTotal:zeroAXB | on | off | | SpaceShower:rapidityOrder | on | off | | WeakDoubleBoson:all | on | off | | | *------- End PYTHIA Flag + Mode + Parm + Word Settings ---------------------------------------------------------* -------- PYTHIA Particle Data Table (changed only) ------------------------------------------------------------------------------ id name antiName spn chg col m0 mWidth mMin mMax tau0 res dec ext vis wid no onMode bRatio meMode products 23 Z0 3 0 0 91.18760 2.50687 50.00000 0.00000 0.00000e+00 1 1 0 0 0 0 1 0.1541199 0 1 -1 1 1 0.1195484 0 2 -2 2 1 0.1541093 0 3 -3 3 1 0.1193873 0 4 -4 4 1 0.1523969 0 5 -5 5 1 0.0335122 0 11 -11 6 1 0.0666593 0 12 -12 7 1 0.0335119 0 13 -13 8 1 0.0666593 0 14 -14 9 1 0.0334363 0 15 -15 10 1 0.0666593 0 16 -16 24 W+ W- 3 3 0 80.38500 2.09454 50.00000 0.00000 0.00000e+00 1 1 0 1 0 0 1 0.3206876 0 -1 2 1 1 0.0174315 0 -1 4 2 1 0.0174549 0 -3 2 3 1 0.3199453 0 -3 4 4 1 0.0000053 0 -5 2 5 1 0.0005990 0 -5 4 6 1 0.1079853 0 -11 12 7 1 0.1079850 0 -13 14 8 1 0.1079062 0 -15 16 -------- End PYTHIA Particle Data Table ----------------------------------------------------------------------------------------- -------- PYTHIA Info Listing ---------------------------------------- Beam A: id = 2212, pz = 4.000e+03, e = 4.000e+03, m = 9.383e-01. Beam B: id = 2212, pz = -4.000e+03, e = 4.000e+03, m = 9.383e-01. In 1: id = -2, x = 2.691e-02, pdf = 2.754e-01 at Q2 = 7.519e+03. In 2: id = 2, x = 7.693e-02, pdf = 5.689e-01 at same Q2. Subprocess f fbar -> W+ W- with code 233 is 2 -> 2. It has sHat = 1.325e+05, tHat = -1.507e+03, uHat = -1.171e+05, pTHat = 3.117e+01, m3Hat = 8.092e+01, m4Hat = 8.546e+01, thetaHat = 1.938e-01, phiHat = 1.501e-01. alphaEM = 7.815e-03, alphaS = 1.356e-01 at Q2 = 7.888e+03. -------- 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 8000.000 8000.000 1 2212 (p+) -12 0 0 3 0 0 0 0.000 0.000 4000.000 4000.000 0.938 2 2212 (p+) -12 0 0 4 0 0 0 0.000 0.000 -4000.000 4000.000 0.938 3 -2 (ubar) -21 1 0 5 6 0 101 0.000 0.000 107.632 107.632 0.000 4 2 (u) -21 2 0 5 6 101 0 0.000 0.000 -307.734 307.734 0.000 5 -24 (W-) -22 3 4 7 8 0 0 30.817 4.660 81.766 119.184 80.918 6 24 (W+) -22 3 4 9 10 0 0 -30.817 -4.660 -281.867 296.183 85.461 7 3 s 23 5 0 0 0 102 0 -22.069 20.172 18.067 34.938 0.500 8 -4 cbar 23 5 0 0 0 0 102 52.886 -15.512 63.699 84.246 1.500 9 -3 sbar 23 6 0 0 0 0 103 25.512 0.448 -157.437 159.492 0.500 10 4 c 23 6 0 0 0 103 0 -56.330 -5.109 -124.430 136.690 1.500 Charge sum: -0.000 Momentum sum: -0.000 -0.000 -200.102 415.366 363.990 -------- End PYTHIA Event Listing ----------------------------------------------------------------------------------------------- *------- PYTHIA Event and Cross Section Statistics -------------------------------------------------------------* | | | Subprocess Code | Number of events | sigma +- delta | | | Tried Selected Accepted | (estimated) (mb) | | | | | |-----------------------------------------------------------------------------------------------------------------| | | | | | f fbar -> gamma*/Z0 gamma*/Z0 231 | 565 11 11 | 5.030e-09 8.097e-10 | | f fbar' -> Z0 W+- (no gamma*!) 232 | 807 22 22 | 1.295e-08 1.168e-09 | | f fbar -> W+ W- 233 | 816 67 67 | 3.613e-08 2.036e-09 | | | | | | sum | 2188 100 100 | 5.410e-08 2.483e-09 | | | *------- End PYTHIA Event and Cross Section Statistics ----------------------------------------------------------* *------- PYTHIA Error and Warning Messages Statistics ----------------------------------------------------------* | | | times message | | | | 0 no errors or warnings to report | | | *------- End PYTHIA Error and Warning Messages Statistics ------------------------------------------------------*