Welcome to Sherpa, Daniel Reichelt on ip3-cpu3.phyip3.dur.ac.uk. Initialization of framework underway. The local time is Wed Oct 11 00:29:10 2023. Run_Parameter::Init(): Setting memory limit to 503.276 GB. Random::SetSeed(): Seed set to 1012 ----------------------------------------------------------------------------- ----------- Event generation run with SHERPA started ....... ----------- ----------------------------------------------------------------------------- ................................................ | + ................................................ || | + + ................................... .... | | / + ................. ................ _,_ | .... || +| + + ............................... __.' ,\| ... || / +| + .............................. ( \ \ ... | | | + + \ + ............................. ( \ -/ .... || + | + ........ ................... (~~~~~~~~~## + + + ............................. ~~(! '~~~~~~~ \ + + + + ............................... `~~~QQQQQDb // | + + + + ........................ .......... IDDDDP|| \ + + + + + + .................................... IDDDI|| \ + .................................... IHD HD|| \ + + + + + + + + ................................... IHD ##| :-) + +\ + ......... ............... ......... IHI ## / / + + + + +\ + ................................... IHI/ / / + + + + + ................................... ## | | / / + + + + / + ....................... /TT\ ..... ##/ /// / + + + + + + +/ + ......................./TTT/T\ ... /TT\/\\\ / + + + + + + +/ \ + ....................../TTT/TTTT\...|TT/T\\\/ + ++ + / ----------------------------------------------------------------------------- SHERPA version 3.0.0beta1 (Dhaulagiri) Authors: Enrico Bothmann, Stefan Hoeche, Frank Krauss, Silvan Kuttimalai, Marek Schoenherr, Holger Schulz, Steffen Schumann, Frank Siegert, Korinna Zapp Former Authors: Timo Fischer, Tanju Gleisberg, Hendrik Hoeth, Ralf Kuhn, Thomas Laubrich, Andreas Schaelicke, Jan Winter This program uses a lot of genuine and original research work by other people. Users are encouraged to refer to the various original publications. Users are kindly asked to refer to the documentation published under JHEP 02(2009)007 Please visit also our homepage http://sherpa.hepforge.org for news, bugreports, updates and new releases. ----------------------------------------------------------------------------- WARNING: You are using an unsupported development branch. Git branch unknownurl, revision unknownrevision. Hadron_Init::Init(): Initializing kf table for hadrons. Beam_Spectra_Handler: type = Collider Setup for P+ (on = 0, p = (6500,0,0,6500)) and P+ (on = 0, p = (6500,0,0,-6500)). ISR handling: PDFs for hard scattering: CT14nnlo + CT14nnlo PDFs for multiple parton interactions: PDF4LHC21_40_pdfas + PDF4LHC21_40_pdfas Remnant_Handlers: hard process: P+: Hadron + P+: Hadron Standard_Model::FixEWParameters() { Input scheme: alpha0 alpha(0) scheme, input: 1/\alphaQED(0), m_W, m_Z, m_h, widths Ren. scheme: alpha0 Parameters: sin^2(\theta_W) = 0.222928 - 0.00110708 i vev = 243.034 - 3.75493 i } Running_AlphaQED::PrintSummary() { Setting \alpha according to EW scheme 1/\alpha(0) = 137.036 1/\alpha(def) = 128.802 } One_Running_AlphaS::PrintSummary() { Setting \alpha_s according to PDF perturbative order 2 \alpha_s(M_Z) = 0.118 } One_Running_AlphaS::PrintSummary() { Setting \alpha_s according to PDF perturbative order 2 \alpha_s(M_Z) = 0.118 } List of Particle Data IDName kfc Mass Width Stable Massive Active Yukawa d 1 0.01 0 1 0 1 0 u 2 0.005 0 1 0 1 0 s 3 0.2 0 1 0 1 0 c 4 1.42 0 1 0 1 0 b 5 4.92 0 1 0 1 0 t 6 173.21 2 0 1 1 173.21 e- 11 0.000511 0 1 0 1 0 ve 12 0 0 1 0 1 0 mu- 13 0.105 0 1 0 1 0 vmu 14 0 0 1 0 1 0 tau- 15 1.777 2.26735e-12 0 1 1 1.777 vtau 16 0 0 1 0 1 0 G 21 0 0 1 0 1 0 P 22 0 0 1 0 1 0 Z 23 91.1876 2.4952 0 1 1 91.1876 W+ 24 80.385 2.085 0 1 1 80.385 h0 25 125 0.00407 0 1 1 125 string 95 0 0 1 0 1 0 cluster 96 0 0 1 0 1 0 Instanton 999 0 0 0 0 1 0 List of Particle Containers IDName kfc Constituents l 90 {e-,e+,mu-,mu+} v 91 {ve,veb,vmu,vmub,vtau,vtaub} f 92 {d,db,u,ub,s,sb,c,cb,b,bb,e-,e+,mu-,mu+,ve,veb,vmu,vmub,vtau,vtaub} j 93 {d,db,u,ub,s,sb,c,cb,b,bb,G} Q 94 {d,db,u,ub,s,sb,c,cb,b,bb} ewj 98 {d,db,u,ub,s,sb,c,cb,b,bb,G,P} Shower_Handler initialised. +-----------------------------------------+ | X X X XXXX XXX XXX XXX | | X X XX XX X X X X X X | | X X X X X XXX X XXX X X XXX XXX | | XXXXX X X X X X X X X X | | X X X X XXXX XXX XXX XXX | +-----------------------------------------+ | please cite: JHEP 0202:044,2002 | +-----------------------------------------+ Matrix_Element_Handler::Matrix_Element_Handler(): Set pilot run mode to 0. ME_Generator_Base::SetPSMasses(): Massive PS flavours for Comix: (none) +----------------------------------+ | | | CCC OOO M M I X X | | C O O MM MM I X X | | C O O M M M I X | | C O O M M I X X | | CCC OOO M M I X X | | | +==================================+ | Color dressed Matrix Elements | | http://comix.freacafe.de | | please cite JHEP12(2008)039 | +----------------------------------+ ME_Generator_Base::SetPSMasses(): Massive PS flavours for Amegic: (none) ME_Generator_Base::SetPSMasses(): Massive PS flavours for Internal: (none) Matrix_Element_Handler::BuildProcesses(): 3 ME generators, 1 process blocks. Matrix_Element_Handler::BuildProcesses(): Setting up processes ............ done ( 52 MB, 0s / 0s ). Matrix_Element_Handler::InitializeProcesses(): Performing tests ............ done ( 52 MB, 0s / 0s ). Matrix_Element_Handler::InitializeProcesses(): Initializing scales done ( 52 MB, 0s / 0s ). Initialized the Matrix_Element_Handler for the hard processes. Initialized the Beam_Remnant_Handler. ME_Generator_Base::SetPSMasses(): Massive PS flavours for Amisic::Processes: (none) MI_Handler::MI_Handler(id = 2, name = Amisic, type = 1) Underlying event/multiple interactions handler: MI[2]: on = 1 (type = 1, Amisic) Soft-collision handlers: Type[2]: None Hadron_Init::Init(): Initializing kf table for hadrons. Initialized the Fragmentation_Handler. Initialized the Hadron_Decay_Handler, Decay model = HADRONS++ Initialized the Soft_Photon_Handler. Initialized the Reweighting. ISR_Channels::CheckForStructuresFromME for 0: (none) Read in channels from directory: Results/Comix/MC_2_2__j__j__j__j Process_Group::CalculateTotalXSec(): Calculate xs for '2_2__j__j__j__j' (Comix) 2_2__j__j__j__j : 15611 pb +- ( 92.7365 pb = 0.594045 % )  exp. eff: 1.0921e-10 % reduce max for 2_2__j__j__j__j to 1 ( eps = 0.001 -> exp. eff 1.0921e-12 ) ---------------------------------------------------------- -- SHERPA generates events with the following structure -- ---------------------------------------------------------- Event generation : Weighted Perturbative : Signal_Processes Perturbative : Minimum_Bias: None Perturbative : Hard_Decays Perturbative : Jet_Evolution:CSS Perturbative : Lepton_FS_QED_Corrections:None Perturbative : Multiple_Interactions: Amisic Hadronization : Beam_Remnants:Parametrised Hadronization : Hadronization:Ahadic Hadronization : Hadron_Decays Userhook : Analysis : Rivet --------------------------------------------------------- #-------------------------------------------------------------------------- # FastJet release 3.3.2 [fjcore] # M. Cacciari, G.P. Salam and G. Soyez # A software package for jet finding and analysis at colliders # http://fastjet.fr # # Please cite EPJC72(2012)1896 [arXiv:1111.6097] if you use this package # for scientific work and optionally PLB641(2006)57 [hep-ph/0512210]. # # FastJet is provided without warranty under the terms of the GNU GPLv2. # It uses T. Chan's closest pair algorithm, S. Fortune's Voronoi code # and 3rd party plugin jet algorithms. See COPYING file for details. #-------------------------------------------------------------------------- Event 1 ( 13s elapsed / 39d 13h 59m 46s left ) -> ETA: Sun Nov 19 13:29 XS = 4787.16 pb +- ( 4787.16 pb = 100 % ) Event 2 ( 13s elapsed / 19d 19h 41m 26s left ) -> ETA: Mon Oct 30 19:10 XS = 2393.59 pb +- ( 2393.56 pb = 99 % ) Event 3 ( 13s elapsed / 13d 5h 49m 12s left ) -> ETA: Tue Oct 24 06:18 XS = 16675.9 pb +- ( 14349 pb = 86 % ) Event 4 ( 13s elapsed / 10d 1h 18m 56s left ) -> ETA: Sat Oct 21 01:48 XS = 15123.6 pb +- ( 8890.64 pb = 58 % ) Event 5 ( 14s elapsed / 8d 3h 8m 5s left ) -> ETA: Thu Oct 19 03:37 XS = 12643.9 pb +- ( 7671.01 pb = 60 % ) Event 6 ( 14s elapsed / 6d 19h 11m 25s left ) -> ETA: Tue Oct 17 19:40 XS = 18945.1 pb +- ( 9985.12 pb = 52 % ) Event 7 ( 14s elapsed / 5d 20h 22m 22s left ) -> ETA: Mon Oct 16 20:51 XS = 16844.2 pb +- ( 9053.2 pb = 53 % ) Event 8 ( 14s elapsed / 5d 3h 20m 48s left ) -> ETA: Mon Oct 16 03:50 XS = 11663.4 pb +- ( 6546.8 pb = 56 % ) Event 9 ( 14s elapsed / 4d 14h 1m 36s left ) -> ETA: Sun Oct 15 14:31 XS = 10835.5 pb +- ( 6117.43 pb = 56 % ) Event 10 ( 14s elapsed / 4d 3h 9m 45s left ) -> ETA: Sun Oct 15 03:39 XS = 8923.34 pb +- ( 5109.48 pb = 57 % ) Event 20 ( 14s elapsed / 2d 3h 41m 50s left ) -> ETA: Fri Oct 13 04:11 XS = 29355.6 pb +- ( 16328.9 pb = 55 % ) Event 30 ( 15s elapsed / 1d 11h 40m 1s left ) -> ETA: Thu Oct 12 12:09 XS = 24490.6 pb +- ( 11001.7 pb = 44 % ) Event 40 ( 15s elapsed / 1d 3h 37m 1s left ) -> ETA: Thu Oct 12 04:06 XS = 21609.9 pb +- ( 7765.15 pb = 35 % ) Event 50 ( 17s elapsed / 1d 39m 42s left ) -> ETA: Thu Oct 12 01:09 XS = 28857.7 pb +- ( 11688.6 pb = 40 % ) Event 60 ( 18s elapsed / 21h 17m 28s left ) -> ETA: Wed Oct 11 21:46 XS = 37975.7 pb +- ( 15287.9 pb = 40 % ) Event 70 ( 19s elapsed / 18h 53m left ) -> ETA: Wed Oct 11 19:22 XS = 36398.5 pb +- ( 13592.2 pb = 37 % ) Event 80 ( 19s elapsed / 17h 11m 57s left ) -> ETA: Wed Oct 11 17:41 XS = 31684.4 pb +- ( 11797.9 pb = 37 % ) Event 90 ( 20s elapsed / 15h 41m 19s left ) -> ETA: Wed Oct 11 16:10 XS = 29978.3 pb +- ( 11027.7 pb = 36 % ) Event 100 ( 20s elapsed / 14h 32m 9s left ) -> ETA: Wed Oct 11 15:01 XS = 29220.9 pb +- ( 10195.6 pb = 34 % ) Warning: Kinematics_Generator::TransverseKinematicsHH reduced overall prescale for kt to scale = 0.1 Warning: Kinematics_Generator::TransverseKinematicsHH: Not able to create the breakup kinematics for Particle List with 2 elements [I] 1 d 6 ( -> 2) [( 6.4939e+03,-0.0000e+00,-0.0000e+00, 6.4939e+03), p^2= 0.0000e+00, m= 3.0000e-01] (612, 0) 0 [I] 1 d 58 ( -> 4) [( 5.0970e+00, 0.0000e+00, 0.0000e+00, 5.0970e+00), p^2= 0.0000e+00, m= 3.0000e-01] (614, 0) 0 and Particle List with 2 elements [I] 1 G 5 ( -> 2) [( 5.1823e+03, 0.0000e+00, 0.0000e+00,-5.1823e+03), p^2= 0.0000e+00, m= 0.0000e+00] (614,612) 1 [I] 1 G 59 ( -> 4) [( 2.1604e+02, 0.0000e+00, 0.0000e+00,-2.1604e+02), p^2= 0.0000e+00, m= 0.0000e+00] (666,614) 1 and the corresponding remnants are Particle List with 2 elements [B] 1 uu_1 66 ( -> ) [( 0.0000e+00, 0.0000e+00, 0.0000e+00, 0.0000e+00), p^2= 0.0000e+00, m= 7.7133e-01] ( 0,614) 0 [B] 1 db 63 ( -> ) [( 1.0438e+00, 0.0000e+00, 0.0000e+00, 1.0438e+00), p^2= 1.4137e-04, m= 0.0000e+00] ( 0,612) 0 and Particle List with 2 elements [B] 1 uu_1 68 ( -> ) [( 9.5929e+02, 0.0000e+00, 0.0000e+00,-9.5929e+02), p^2= 1.1313e-01, m= 7.7133e-01] ( 0,666) 1 [B] 1 d 67 ( -> ) [( 1.4240e+02, 0.0000e+00, 0.0000e+00,-1.4240e+02), p^2= 2.4930e-03, m= 0.0000e+00] (612, 0) 1 Event 200 ( 27s elapsed / 9h 36m 37s left ) -> ETA: Wed Oct 11 10:06 XS = 27285.8 pb +- ( 6222.45 pb = 22 % ) Warning: Kinematics_Generator::TransverseKinematicsHH: Not able to create the breakup kinematics for Particle List with 2 elements [I] 1 G 5 ( -> 2) [( 2.6108e+03, 2.4270e-16,-4.8541e-16, 2.6108e+03), p^2=-2.9453e-31, m= 0.0000e+00] (609,611) 0 [I] 1 u 35 ( -> 4) [( 1.8021e+03, 0.0000e+00, 0.0000e+00, 1.8021e+03), p^2= 0.0000e+00, m= 3.0000e-01] (611, 0) 0 and Particle List with 2 elements [I] 1 G 12 ( -> 2) [( 6.4981e+03, 0.0000e+00, 0.0000e+00,-6.4981e+03), p^2= 0.0000e+00, m= 0.0000e+00] (604,602) 1 [I] 1 sb 36 ( -> 4) [( 4.8869e-01, 0.0000e+00, 0.0000e+00,-4.8869e-01), p^2= 1.5223e-09, m= 4.0000e-01] ( 0,604) 1 and the corresponding remnants are Particle List with 1 elements [B] 1 ud_0 48 ( -> ) [( 2.0870e+03,-2.4270e-16, 4.8541e-16, 2.0870e+03), p^2= 2.8267e-01, m= 5.7933e-01] ( 0,609) 0 and Particle List with 3 elements [B] 1 ud_0 50 ( -> ) [( 0.0000e+00, 0.0000e+00, 0.0000e+00,-0.0000e+00), p^2= 0.0000e+00, m= 5.7933e-01] ( 0,636) 1 [B] 1 s 45 ( -> ) [( 4.5210e-01, 0.0000e+00, 0.0000e+00,-4.5208e-01), p^2= 1.9034e-05, m= 0.0000e+00] (636, 0) 1 [B] 1 u 49 ( -> ) [( 1.0022e+00, 0.0000e+00, 0.0000e+00,-1.0022e+00), p^2= 9.3538e-05, m= 0.0000e+00] (602, 0) 1 Event 300 ( 33s elapsed / 7h 47m 12s left ) -> ETA: Wed Oct 11 08:16 XS = 23787.2 pb +- ( 4366.07 pb = 18 % ) Warning: Kinematics_Generator::TransverseKinematicsHH reduced overall prescale for kt to scale = 0.1 Event 400 ( 1m 41s elapsed / 17h 37m 28s left ) -> ETA: Wed Oct 11 18:08 XS = 20261 pb +- ( 3335.73 pb = 16 % ) Warning: Kinematics_Generator::TransverseKinematicsHH reduced overall prescale for kt to scale = 0.1 Event 500 ( 1m 49s elapsed / 15h 13m 35s left ) -> ETA: Wed Oct 11 15:44 XS = 19733.1 pb +- ( 3199.13 pb = 16 % ) Warning: Kinematics_Generator::TransverseKinematicsHH reduced overall prescale for kt to scale = 0.01 Warning: Kinematics_Generator::TransverseKinematicsHH: Not able to create the breakup kinematics for Particle List with 2 elements [I] 1 G 5 ( -> 2) [( 6.4953e+03, 0.0000e+00, 0.0000e+00, 6.4953e+03), p^2= 0.0000e+00, m= 0.0000e+00] (605,606) 0 [I] 1 db 24 ( -> 4) [( 3.3695e+00, 0.0000e+00, 0.0000e+00, 3.3695e+00), p^2= 0.0000e+00, m= 3.0000e-01] ( 0,618) 0 and Particle List with 2 elements [I] 1 u 6 ( -> 2) [( 3.0336e+03,-2.8443e-13,-4.5508e-13,-3.0336e+03), p^2=-2.8800e-25, m= 3.0000e-01] (608, 0) 1 [I] 1 G 25 ( -> 4) [( 1.8874e+02, 0.0000e+00, 0.0000e+00,-1.8874e+02), p^2=-7.5101e-11, m= 0.0000e+00] (620,608) 1 and the corresponding remnants are Particle List with 3 elements [B] 1 uu_1 33 ( -> ) [( 0.0000e+00, 0.0000e+00, 0.0000e+00, 0.0000e+00), p^2= 0.0000e+00, m= 7.7133e-01] ( 0,605) 0 [B] 1 d 29 ( -> ) [( 6.6463e-01, 0.0000e+00, 0.0000e+00, 6.6460e-01), p^2= 4.6203e-05, m= 0.0000e+00] (606, 0) 0 [B] 1 d 32 ( -> ) [( 6.3025e-01, 0.0000e+00, 0.0000e+00, 6.3022e-01), p^2= 4.1546e-05, m= 0.0000e+00] (618, 0) 0 and Particle List with 1 elements [B] 1 ud_0 34 ( -> ) [( 3.2777e+03, 2.8443e-13, 4.5508e-13,-3.2777e+03), p^2= 4.4393e-01, m= 5.7933e-01] ( 0,620) 1 Event 600 ( 1m 56s elapsed / 13h 26m 48s left ) -> ETA: Wed Oct 11 13:57 XS = 19720.3 pb +- ( 2914.99 pb = 14 % ) Event 700 ( 2m 2s elapsed / 12h 9m 58s left ) -> ETA: Wed Oct 11 12:41 XS = 18179.5 pb +- ( 2518.95 pb = 13 % ) Warning: Kinematics_Generator::TransverseKinematicsHH: Not able to create the breakup kinematics for Particle List with 6 elements [I] 1 d 6 ( -> 2) [( 3.1192e+03,-1.5543e-15, 2.4425e-15, 3.1192e+03), p^2=-2.8369e-08, m= 3.0000e-01] (614, 0) 0 [I] 1 sb 52 ( -> 4) [( 7.0580e+01, 0.0000e+00,-1.0132e-15, 7.0580e+01), p^2=-2.0060e-12, m= 4.0000e-01] ( 0,614) 0 [I] 1 c 63 ( -> 6) [( 2.8434e+02, 0.0000e+00, 0.0000e+00, 2.8434e+02), p^2= 0.0000e+00, m= 1.8000e+00] (641, 0) 0 [I] 1 G 80 ( -> 8) [( 1.8476e+01, 0.0000e+00, 0.0000e+00, 1.8476e+01), p^2=-1.3128e-13, m= 0.0000e+00] (655,641) 0 [I] 1 G 92 ( -> 10) [( 8.7096e+02,-3.1613e-13, 7.9032e-14, 8.7096e+02), p^2=-1.9803e-10, m= 0.0000e+00] (664,655) 0 [I] 1 G 106 ( -> 12) [( 4.3393e+02, 2.5091e-14, 5.7732e-14, 4.3393e+02), p^2= 4.9332e-11, m= 0.0000e+00] (676,664) 0 and Particle List with 6 elements [I] 1 G 5 ( -> 2) [( 6.3397e+03, 0.0000e+00, 0.0000e+00,-6.3397e+03), p^2= 0.0000e+00, m= 0.0000e+00] (601,603) 1 [I] 1 G 55 ( -> 4) [( 1.9907e+01, 0.0000e+00, 0.0000e+00,-1.9907e+01), p^2= 0.0000e+00, m= 0.0000e+00] (603,638) 1 [I] 1 G 67 ( -> 6) [( 3.4260e+01, 0.0000e+00, 0.0000e+00,-3.4260e+01), p^2=-1.9475e-12, m= 0.0000e+00] (645,601) 1 [I] 1 G 81 ( -> 8) [( 9.7430e+01, 0.0000e+00, 0.0000e+00,-9.7430e+01), p^2= 0.0000e+00, m= 0.0000e+00] (638,657) 1 [I] 1 ub 98 ( -> 10) [( 5.5873e+00, 0.0000e+00, 0.0000e+00,-5.5873e+00), p^2= 0.0000e+00, m= 3.0000e-01] ( 0,645) 1 [I] 1 db 110 ( -> 12) [( 1.2910e+00, 0.0000e+00, 0.0000e+00,-1.2910e+00), p^2= 6.5933e-14, m= 3.0000e-01] ( 0,673) 1 and the corresponding remnants are Particle List with 3 elements [B] 1 uu_1 116 ( -> ) [( 1.1008e+03, 1.8919e-13,-8.9354e-14, 1.1008e+03), p^2= 9.6405e-02, m= 7.7133e-01] ( 0,676) 0 [B] 1 cb 75 ( -> ) [( 1.3501e+01, 2.3202e-15,-1.0959e-15, 1.3501e+01), p^2= 1.4501e-05, m= 0.0000e+00] ( 0,640) 0 [B] 1 s 58 ( -> ) [( 5.8819e+02, 1.0108e-13,-4.7743e-14, 5.8819e+02), p^2= 2.7522e-02, m= 0.0000e+00] (640, 0) 0 and Particle List with 4 elements [B] 1 uu_1 118 ( -> ) [( 0.0000e+00, 0.0000e+00, 0.0000e+00,-0.0000e+00), p^2= 0.0000e+00, m= 7.7133e-01] ( 0,669) 1 [B] 1 d 113 ( -> ) [( 4.1214e-01, 0.0000e+00, 0.0000e+00,-4.1212e-01), p^2= 1.2759e-05, m= 0.0000e+00] (657, 0) 1 [B] 1 u 101 ( -> ) [( 6.3465e-01, 0.0000e+00, 0.0000e+00,-6.3463e-01), p^2= 3.0256e-05, m= 0.0000e+00] (669, 0) 1 [B] 1 d 117 ( -> ) [( 7.5623e-01, 0.0000e+00, 0.0000e+00,-7.5620e-01), p^2= 4.2958e-05, m= 0.0000e+00] (673, 0) 1 Event 800 ( 2m 9s elapsed / 11h 11m 26s left ) -> ETA: Wed Oct 11 11:42 XS = 16923.2 pb +- ( 2222.26 pb = 13 % ) Warning: Kinematics_Generator::TransverseKinematicsHH reduced overall prescale for kt to scale = 0.1 Event 900 ( 2m 19s elapsed / 10h 41m 50s left ) -> ETA: Wed Oct 11 11:13 XS = 17030 pb +- ( 2054.53 pb = 12 % ) Warning: Kinematics_Generator::TransverseKinematicsHH: Not able to create the breakup kinematics for Particle List with 6 elements [I] 1 G 5 ( -> 2) [( 5.8482e+03, 0.0000e+00, 0.0000e+00, 5.8482e+03), p^2= 0.0000e+00, m= 0.0000e+00] (601,603) 0 [I] 1 G 39 ( -> 4) [( 5.6775e+02, 0.0000e+00, 0.0000e+00, 5.6775e+02), p^2= 0.0000e+00, m= 0.0000e+00] (632,601) 0 [I] 1 d 52 ( -> 6) [( 7.0342e-01, 0.0000e+00, 0.0000e+00, 7.0342e-01), p^2=-1.2795e-12, m= 3.0000e-01] (645, 0) 0 [I] 1 G 65 ( -> 8) [( 6.8836e+01, 0.0000e+00, 0.0000e+00, 6.8836e+01), p^2= 0.0000e+00, m= 0.0000e+00] (655,645) 0 [I] 1 s 81 ( -> 10) [( 1.0133e+01, 0.0000e+00, 0.0000e+00, 1.0133e+01), p^2= 0.0000e+00, m= 4.0000e-01] (603, 0) 0 [I] 1 G 93 ( -> 12) [( 2.4058e+00, 0.0000e+00, 0.0000e+00, 2.4058e+00), p^2= 0.0000e+00, m= 0.0000e+00] (668,674) 0 and Particle List with 6 elements [I] 1 G 6 ( -> 2) [( 1.2104e+03,-8.8818e-16,-4.4409e-16,-1.2104e+03), p^2=-7.9814e-08, m= 0.0000e+00] (621,620) 1 [I] 1 G 43 ( -> 4) [( 7.3077e+01, 0.0000e+00, 0.0000e+00,-7.3077e+01), p^2= 8.3079e-12, m= 0.0000e+00] (631,621) 1 [I] 1 u 55 ( -> 6) [( 1.1596e+03, 0.0000e+00, 0.0000e+00,-1.1596e+03), p^2= 0.0000e+00, m= 3.0000e-01] (644, 0) 1 [I] 1 G 69 ( -> 8) [( 1.3312e+02, 1.0716e-15, 6.6973e-17,-1.3312e+02), p^2=-1.1527e-30, m= 0.0000e+00] (620,653) 1 [I] 1 G 82 ( -> 10) [( 3.0271e+01, 8.8818e-16,-4.4409e-16,-3.0271e+01), p^2=-9.8608e-31, m= 0.0000e+00] (653,603) 1 [I] 1 u 94 ( -> 12) [( 4.2464e+01, 0.0000e+00, 0.0000e+00,-4.2464e+01), p^2= 0.0000e+00, m= 3.0000e-01] (603, 0) 1 and the corresponding remnants are Particle List with 4 elements [B] 1 ud_0 100 ( -> ) [( 0.0000e+00, 0.0000e+00, 0.0000e+00, 0.0000e+00), p^2= 0.0000e+00, m= 5.7933e-01] ( 0,655) 0 [B] 1 sb 88 ( -> ) [( 7.0556e-01, 0.0000e+00, 0.0000e+00, 7.0553e-01), p^2= 3.4868e-05, m= 0.0000e+00] ( 0,668) 0 [B] 1 db 59 ( -> ) [( 4.7390e-01, 0.0000e+00, 0.0000e+00, 4.7388e-01), p^2= 1.5730e-05, m= 0.0000e+00] ( 0,632) 0 [B] 1 u 99 ( -> ) [( 7.5417e-01, 0.0000e+00, 0.0000e+00, 7.5415e-01), p^2= 3.9839e-05, m= 0.0000e+00] (674, 0) 0 and Particle List with 2 elements [B] 1 ud_0 101 ( -> ) [( 2.5510e+03,-7.0983e-16, 5.4398e-16,-2.5510e+03), p^2= 2.2887e-01, m= 5.7933e-01] ( 0,644) 1 [B] 1 ub 60 ( -> ) [( 1.3000e+03,-3.6174e-16, 2.7722e-16,-1.3000e+03), p^2= 5.9440e-02, m= 0.0000e+00] ( 0,631) 1 Event 1000 ( 2m 25s elapsed / 10h 4m 9s left ) -> ETA: Wed Oct 11 10:35 XS = 16594.5 pb +- ( 1890.58 pb = 11 % ) Blob_List::FourMomentumConservation throws four momentum error for Soft Collision : (0.266146,6.30164e-05,-0.000411349,0.201736) (1) Blob_List::FourMomentumConservation throws four momentum error for Shower : (-0.816225,1.53945e-05,-0.000512675,0.463971) (1) Blob_List::FourMomentumConservation throws four momentum error for Shower : (-0.565708,-0.000384526,-0.000163955,0.292227) (2) Blob_List::FourMomentumConservation throws four momentum error for Shower : (0.0101603,0.000440145,0.000308761,0.0118567) (3) Blob_List::FourMomentumConservation throws four momentum error for Shower : (0.015373,0.000477503,0.000132162,-0.00867267) (4) Blob_List::FourMomentumConservation throws four momentum error for Shower : (0.0307295,-0.000315342,8.62742e-05,-0.160096) (5) Blob_List::FourMomentumConservation throws four momentum error for Fragmentation : (1.54167e-07,-2.06143e-08,3.92633e-08,-1.57994e-07) (1) Blob_List::FourMomentumConservation throws four momentum error for Hadron Decay : (2.19075e-10,-1.06732e-11,1.96252e-11,2.17852e-10) (1) Blob_List::FourMomentumConservation throws four momentum error for Hadron Decay : (2.77023e-12,-8.66945e-14,7.04712e-14,-2.77023e-12) (2) Blob_List::FourMomentumConservation throws four momentum error for Hadron Decay : (4.59649e-08,-1.02604e-09,1.64969e-09,-4.59238e-08) (3) Blob_List::FourMomentumConservation throws four momentum error for Hadron Decay : (1.82224e-09,-1.97093e-11,6.46456e-11,-1.82096e-09) (4) Blob_List::FourMomentumConservation throws four momentum error for Hadron Decay : (1.55175e-10,1.4318e-12,-2.33556e-13,-1.55158e-10) (5) Event 2000 ( 4m 12s elapsed / 8h 41m 38s left ) -> ETA: Wed Oct 11 09:15 XS = 15483.5 pb +- ( 1187.31 pb = 7 % ) Event 3000 ( 5m 44s elapsed / 7h 52m 46s left ) -> ETA: Wed Oct 11 08:27 XS = 15117.1 pb +- ( 948.069 pb = 6 % ) Event 4000 ( 7m 37s elapsed / 7h 48m 54s left ) -> ETA: Wed Oct 11 08:25 XS = 14804.2 pb +- ( 802.405 pb = 5 % ) Event 5000 ( 9m 19s elapsed / 7h 37m 8s left ) -> ETA: Wed Oct 11 08:15 XS = 14814.4 pb +- ( 700.955 pb = 4 % ) Event 6000 ( 11m 4s elapsed / 7h 30m 23s left ) -> ETA: Wed Oct 11 08:10 XS = 14648.8 pb +- ( 625.005 pb = 4 % ) Event 7000 ( 12m 40s elapsed / 7h 19m 53s left ) -> ETA: Wed Oct 11 08:01 XS = 14505.6 pb +- ( 571.693 pb = 3 % ) Event 8000 ( 13m 58s elapsed / 7h 2m 57s left ) -> ETA: Wed Oct 11 07:46 XS = 14331 pb +- ( 534.902 pb = 3 % ) Event 9000 ( 16m 18s elapsed / 7h 16m 38s left ) -> ETA: Wed Oct 11 08:02 XS = 14568.9 pb +- ( 514.211 pb = 3 % ) Event 10000 ( 17m 48s elapsed / 7h 7m 17s left ) -> ETA: Wed Oct 11 07:54 XS = 14509.6 pb +- ( 485.753 pb = 3 % ) Phase_Space_Handler::CheckStability(): Skip point in '2_2__G__u__G__u', weight = 4.6173e+15, thkill = -1e+12, totalxs = 9.91795e-06, result = 1.18581e+07. Event 20000 ( 34m 14s elapsed / 6h 33m 45s left ) -> ETA: Wed Oct 11 07:37 XS = 15479.1 pb +- ( 403.84 pb = 2 % ) Phase_Space_Handler::CheckStability(): Skip point in '2_2__G__u__G__u', weight = 4.98072e+15, thkill = -1e+12, totalxs = 9.91795e-06, result = 1.27914e+07. Event 30000 ( 49m 59s elapsed / 6h 6m 34s left ) -> ETA: Wed Oct 11 07:25 XS = 15365.8 pb +- ( 320.173 pb = 2 % ) Phase_Space_Handler::CheckStability(): Skip point in '2_2__G__u__G__u', weight = 4.51706e+15, thkill = -1e+12, totalxs = 9.91795e-06, result = 1.16006e+07. Phase_Space_Handler::CheckStability(): Skip point in '2_2__G__u__G__u', weight = 4.94968e+15, thkill = -1e+12, totalxs = 9.91795e-06, result = 1.27117e+07. Event 40000 ( 1h 9m 30s elapsed / 6h 4m 56s left ) -> ETA: Wed Oct 11 07:43 XS = 15221.4 pb +- ( 273.217 pb = 1 % ) Phase_Space_Handler::CheckStability(): Skip point in '2_2__G__u__G__u', weight = 5.53979e+15, thkill = -1e+12, totalxs = 9.91795e-06, result = 1.42272e+07. Phase_Space_Handler::CheckStability(): Skip point in '2_2__G__u__G__u', weight = 3.87357e+15, thkill = -1e+12, totalxs = 9.91795e-06, result = 9.94804e+06. Phase_Space_Handler::CheckStability(): Skip point in '2_2__G__u__G__u', weight = 4.30441e+15, thkill = -1e+12, totalxs = 9.91795e-06, result = 1.10545e+07. Phase_Space_Handler::CheckStability(): Skip point in '2_2__G__u__G__u', weight = 4.70755e+15, thkill = -1e+12, totalxs = 9.91795e-06, result = 1.20899e+07. Phase_Space_Handler::CheckStability(): Skip point in '2_2__G__u__G__u', weight = 4.15155e+15, thkill = -1e+12, totalxs = 9.91795e-06, result = 1.0662e+07. Blob_List::FourMomentumConservation throws four momentum error for Soft Collision : (1.04324,0.000317922,0.000544677,0.774398) (2) Blob_List::FourMomentumConservation throws four momentum error for Fragmentation : (-7.53659e-08,-2.60952e-09,2.3615e-08,-7.55275e-08) (2) Event 50000 ( 1h 26m 42s elapsed / 5h 46m 49s left ) -> ETA: Wed Oct 11 07:42 XS = 15041.3 pb +- ( 240.538 pb = 1 % ) Phase_Space_Handler::CheckStability(): Skip point in '2_2__G__u__G__u', weight = 4.76933e+15, thkill = -1e+12, totalxs = 9.91795e-06, result = 1.22485e+07. Phase_Space_Handler::CheckStability(): Skip point in '2_2__G__u__G__u', weight = 5.26046e+15, thkill = -1e+12, totalxs = 9.91795e-06, result = 1.35098e+07. Phase_Space_Handler::CheckStability(): Skip point in '2_2__G__u__G__u', weight = 4.41675e+15, thkill = -1e+12, totalxs = 9.91795e-06, result = 1.1343e+07. Phase_Space_Handler::CheckStability(): Skip point in '2_2__G__u__G__u', weight = 3.92772e+15, thkill = -1e+12, totalxs = 9.91795e-06, result = 1.00871e+07. Event 60000 ( 1h 46m 6s elapsed / 5h 36m 1s left ) -> ETA: Wed Oct 11 07:51 XS = 14983.8 pb +- ( 217.172 pb = 1 % ) Phase_Space_Handler::CheckStability(): Skip point in '2_2__G__u__G__u', weight = 4.23186e+15, thkill = -1e+12, totalxs = 9.91795e-06, result = 1.08682e+07. Phase_Space_Handler::CheckStability(): Skip point in '2_2__G__u__G__u', weight = 4.10306e+15, thkill = -1e+12, totalxs = 9.91795e-06, result = 1.05374e+07. Event 70000 ( 2h 2m 51s elapsed / 5h 15m 55s left ) -> ETA: Wed Oct 11 07:47 XS = 14957.8 pb +- ( 199.938 pb = 1 % ) Phase_Space_Handler::CheckStability(): Skip point in '2_2__G__u__G__u', weight = 4.36372e+15, thkill = -1e+12, totalxs = 9.91795e-06, result = 1.12068e+07. Blob_List::FourMomentumConservation throws four momentum error for Soft Collision : (2.58327,-0.000423379,-0.000634655,-1.56244) (3) Blob_List::FourMomentumConservation throws four momentum error for Hard Collision : (-2.7228e-11,0,0,-2.7228e-11) (1) Blob_List::FourMomentumConservation throws four momentum error for Fragmentation : (-2.07688e-07,9.08119e-09,-5.36677e-09,-1.19361e-07) (3) Phase_Space_Handler::CheckStability(): Skip point in '2_2__G__u__G__u', weight = 4.24341e+15, thkill = -1e+12, totalxs = 9.91795e-06, result = 1.08979e+07. Event 80000 ( 2h 20m 52s elapsed / 4h 59m 20s left ) -> ETA: Wed Oct 11 07:49 XS = 15089.3 pb +- ( 189.539 pb = 1 % ) Phase_Space_Handler::CheckStability(): Skip point in '2_2__G__u__G__u', weight = 3.95292e+15, thkill = -1e+12, totalxs = 9.91795e-06, result = 1.01518e+07. Event 90000 ( 2h 39m 21s elapsed / 4h 43m 18s left ) -> ETA: Wed Oct 11 07:51 XS = 15087 pb +- ( 179.033 pb = 1 % ) Event 100000 ( 2h 56m 59s elapsed / 4h 25m 28s left ) -> ETA: Wed Oct 11 07:51 XS = 15022.6 pb +- ( 169.391 pb = 1 % ) Phase_Space_Handler::CheckStability(): Skip point in '2_2__G__u__G__u', weight = 4.24046e+15, thkill = -1e+12, totalxs = 9.91795e-06, result = 1.08903e+07. Phase_Space_Handler::CheckStability(): Skip point in '2_2__G__d__G__d', weight = 1.93394e+15, thkill = -1e+12, totalxs = 4.83974e-06, result = 4.96671e+06. Decay_Handler_Base::TreatInitialBlob:("Initial particle Delta(1232)++b not onshell: sqrt|p^2|=1.232 vs. m=1.232") Phase_Space_Handler::CheckStability(): Skip point in '2_2__G__u__G__u', weight = 4.52675e+15, thkill = -1e+12, totalxs = 9.91795e-06, result = 1.16255e+07. Phase_Space_Handler::CheckStability(): Skip point in '2_2__G__u__G__u', weight = 4.79774e+15, thkill = -1e+12, totalxs = 9.91795e-06, result = 1.23215e+07. Phase_Space_Handler::CheckStability(): Skip point in '2_2__G__u__G__u', weight = 5.27086e+15, thkill = -1e+12, totalxs = 9.91795e-06, result = 1.35366e+07. Phase_Space_Handler::CheckStability(): Skip point in '2_2__G__u__G__u', weight = 4.39943e+15, thkill = -1e+12, totalxs = 9.91795e-06, result = 1.12986e+07. Phase_Space_Handler::CheckStability(): Skip point in '2_2__G__u__G__u', weight = 4.24369e+15, thkill = -1e+12, totalxs = 9.91795e-06, result = 1.08986e+07. Phase_Space_Handler::CheckStability(): Skip point in '2_2__G__u__G__u', weight = 4.36517e+15, thkill = -1e+12, totalxs = 9.91795e-06, result = 1.12106e+07. Phase_Space_Handler::CheckStability(): Skip point in '2_2__G__d__G__d', weight = 2.13502e+15, thkill = -1e+12, totalxs = 4.83974e-06, result = 5.48314e+06. Phase_Space_Handler::CheckStability(): Skip point in '2_2__G__u__G__u', weight = 5.15212e+15, thkill = -1e+12, totalxs = 9.91795e-06, result = 1.32316e+07. Phase_Space_Handler::CheckStability(): Skip point in '2_2__G__u__G__u', weight = 4.30614e+15, thkill = -1e+12, totalxs = 9.91795e-06, result = 1.1059e+07. Phase_Space_Handler::CheckStability(): Skip point in '2_2__G__G__G__G', weight = 5.39351e+15, thkill = -1e+12, totalxs = 1.34579e-05, result = 1.38516e+07. Phase_Space_Handler::CheckStability(): Skip point in '2_2__G__u__G__u', weight = 3.9098e+15, thkill = -1e+12, totalxs = 9.91795e-06, result = 1.00411e+07. Phase_Space_Handler::CheckStability(): Skip point in '2_2__G__d__G__d', weight = 1.92435e+15, thkill = -1e+12, totalxs = 4.83974e-06, result = 4.94209e+06. Phase_Space_Handler::CheckStability(): Skip point in '2_2__G__u__G__u', weight = 4.79022e+15, thkill = -1e+12, totalxs = 9.91795e-06, result = 1.23022e+07. Blob_List::FourMomentumConservation throws four momentum error for Soft Collision : (3.3847,-0.00085889,-0.000840877,0.0593942) (4) Blob_List::FourMomentumConservation throws four momentum error for Fragmentation : (1.87157e-06,1.17945e-08,1.34982e-06,-3.08595e-06) (4) Phase_Space_Handler::CheckStability(): Skip point in '2_2__G__u__G__u', weight = 3.87203e+15, thkill = -1e+12, totalxs = 9.91795e-06, result = 9.9441e+06. Phase_Space_Handler::CheckStability(): Skip point in '2_2__G__G__G__G', weight = 5.96401e+15, thkill = -1e+12, totalxs = 1.34579e-05, result = 1.53167e+07. Phase_Space_Handler::CheckStability(): Skip point in '2_2__G__u__G__u', weight = 4.28146e+15, thkill = -1e+12, totalxs = 9.91795e-06, result = 1.09956e+07. Phase_Space_Handler::CheckStability(): Skip point in '2_2__G__u__G__u', weight = 4.10525e+15, thkill = -1e+12, totalxs = 9.91795e-06, result = 1.0543e+07. Blob_List::FourMomentumConservation throws four momentum error for Soft Collision : (0.962611,0.000424807,-9.61693e-05,-0.877153) (5) Blob_List::FourMomentumConservation throws four momentum error for Fragmentation : (-1.55317e-07,1.25972e-08,-4.01195e-09,-6.47249e-07) (5) Event 200000 ( 5h 48m 12s elapsed / 1h 27m 3s left ) -> ETA: Wed Oct 11 07:44 XS = 15192.7 pb +- ( 121.926 pb = 0 % ) Phase_Space_Handler::CheckStability(): Skip point in '2_2__G__u__G__u', weight = 7.18713e+15, thkill = -1e+12, totalxs = 9.91795e-06, result = 1.84579e+07. Phase_Space_Handler::CheckStability(): Skip point in '2_2__G__u__G__u', weight = 5.58124e+15, thkill = -1e+12, totalxs = 9.91795e-06, result = 1.43337e+07. Phase_Space_Handler::CheckStability(): Skip point in '2_2__G__u__G__u', weight = 4.62628e+15, thkill = -1e+12, totalxs = 9.91795e-06, result = 1.18811e+07. Event_Handler::GenerateStandardPerturbativeEvent(): Four momentum not conserved. Rejecting event. Phase_Space_Handler::CheckStability(): Skip point in '2_2__G__u__G__u', weight = 4.32757e+15, thkill = -1e+12, totalxs = 9.91795e-06, result = 1.1114e+07. Decay_Handler_Base::TreatInitialBlob:("Initial particle Delta(1232)- not onshell: sqrt|p^2|=1.232 vs. m=1.232") Phase_Space_Handler::CheckStability(): Skip point in '2_2__G__u__G__u', weight = 4.71215e+15, thkill = -1e+12, totalxs = 9.91795e-06, result = 1.21017e+07. Phase_Space_Handler::CheckStability(): Skip point in '2_2__G__u__G__u', weight = 4.38325e+15, thkill = -1e+12, totalxs = 9.91795e-06, result = 1.1257e+07. Event 250000 ( 26118 s total ) = 827025 evts/day In Event_Handler::Finish : Summarizing the run may take some time. Rivet_Interface::Finish(Analysis_CSS/1012){ } -------------------------------------------------------------------------- Nominal or variation name XS [pb] RelDev AbsErr [pb] RelErr -------------------------------------------------------------------------- Nominal  15249 0 % 109.987 0.72 % -------------------------------------------------------------------------- Return_Value::PrintStatistics(): Statistics { Generated events: 250000 New events { From "Beam_Remnants:Parametrised": 1059 (251067) -> 0.4 % From "Jet_Evolution:CSS": 5 (1545130) -> 0 % } Retried events { From "Hadron_Decays": 2 (660121) -> 0 % } Retried phases { From "Hadron_Decay_Handler::RejectExclusiveChannelsFromFragmentation": 277939 (0) -> 277939. } Retried methods { From "Decay_Channel::GenerateKinematics": 17078 (75721970) -> 0 % } } Blob_List: Momentum Fail Statistics { Hard Collision : 1 fails Soft Collision : 6 fails Shower : 51 fails Fragmentation : 6 fails Hadron Decay : 688 fails } Decay_Channel: Kinematics max fail statistics { B --> D D*(2010)+b K+ pi maximal fail by 1.70599. B --> D D+b K+ pi maximal fail by 1.69324. B --> D Db K+ pi+b maximal fail by 1.35691. B --> D*(2007) D*(2007)b K+ pi+b maximal fail by 2.11051. B --> D*(2007) D*(2010)+b K+ pi maximal fail by 4.60691. B --> D*(2007) D+b K+ pi maximal fail by 1.62787. B --> D*(2007) Db K+ pi+b maximal fail by 2.66651. B --> D*(2007)b D K+ pi+b maximal fail by 2.84073. B --> D*(2007)b D*(2010)+ K pi+b maximal fail by 3.77392. B --> D*(2007)b D+ K pi+b maximal fail by 2.5152. B --> D*(2010)+ D*(2010)+b K pi maximal fail by 3.51825. B --> D*(2010)+ D+b K pi maximal fail by 1.97304. B --> D*(2010)+b D+ K pi maximal fail by 3.18876. B --> D*(2010)+b pi+ pi pi maximal fail by 1.33052. B --> D+ D+b K pi maximal fail by 1.38736. B --> Db D*(2010)+ K pi+b maximal fail by 1.95. B --> Db D+ K pi+b maximal fail by 1.40643. B(c)+ --> B(s) ve e+ maximal fail by 1.43041. B(c)+ --> B(s) vmu mu+ maximal fail by 1.51074. B(c)+ --> B(s)* ve e+ maximal fail by 1.51907. B(c)+ --> B(s)* vmu mu+ maximal fail by 2.08658. B(c)+ --> B* vmu mu+ maximal fail by 1.73519. B(c)+ --> J/psi(1S) vtau tau+ maximal fail by 1.4075. B(c)+ --> c cb c sb maximal fail by 1.58002. B(c)+ --> eta(c)(1S) ve e+ maximal fail by 1.31465. B(s) --> f(0)(980) J/psi(1S) maximal fail by 2.71442. B+ --> D D*(2010)+b K+ pi+ maximal fail by 1.77755. B+ --> D D+b K+ pi+ maximal fail by 1.43347. B+ --> D*(2007) D*(2007)b K+ pi maximal fail by 2.3618. B+ --> D*(2007) D*(2010)+b K+ pi+ maximal fail by 4.50719. B+ --> D*(2007) D+b K+ pi+ maximal fail by 2.064. B+ --> D*(2007) Db K+ pi maximal fail by 2.21222. B+ --> D*(2007)b D K+ pi maximal fail by 2.33529. B+ --> D*(2007)b D*(2010)+ K pi maximal fail by 3.59815. B+ --> D*(2007)b D+ K pi maximal fail by 2.15648. B+ --> D*(2010)+ D*(2010)+b K pi+ maximal fail by 2.89963. B+ --> D*(2010)+ D+b K pi+ maximal fail by 1.67207. B+ --> D*(2010)+b D+ K pi+ maximal fail by 3.22086. B+ --> D+ D+b K pi+ maximal fail by 1.3322. B+ --> Db D*(2010)+ K pi maximal fail by 2.95757. B+ --> Db D+ K pi maximal fail by 1.62628. B+ --> Db pi+ pi pi maximal fail by 1.58645. } WARNING: You are using an unsupported development branch. Gluon_Splitter::~Gluon_Splitter with 53756 kinematic fails. Decay_Handler_Base::~Decay_Handler_Base with 2 particles not on their mass shell. Remnant handling yields 1059 fails in creating good beam breakups. Remnant Kinematics: 1059 errors (no kinematics found) and 598 warnings (scale kt down by factor of 10). WARNING: Some settings that have been defined in the input files and/or the command line have not been used. For more details, see the Settings Report. Time: 7h 15m 22s on Wed Oct 11 07:44:33 2023 (User: 7h 13m 54s, System: 2s, Children User: 0s, Children System: 0s)