Welcome to Sherpa, Daniel Reichelt. Initialization of framework underway. The local time is Thu May 23 14:23:15 2024. Run_Parameter::Init(): Setting memory limit to 503.276 GB. Random::SetSeed(): Seed set to 1132 ----------------------------------------------------------------------------- ----------- Event generation run with SHERPA started ....... ----------- ----------------------------------------------------------------------------- ................................................ | + ................................................ || | + + ................................... .... | | / + ................. ................ _,_ | .... || +| + + ............................... __.' ,\| ... || / +| + .............................. ( \ \ ... | | | + + \ + ............................. ( \ -/ .... || + | + ........ ................... (~~~~~~~~~## + + + ............................. ~~(! '~~~~~~~ \ + + + + ............................... `~~~QQQQQDb // | + + + + ........................ .......... IDDDDP|| \ + + + + + + .................................... IDDDI|| \ + .................................... IHD HD|| \ + + + + + + + + ................................... IHD ##| :-) + +\ + ......... ............... ......... IHI ## / / + + + + +\ + ................................... IHI/ / / + + + + + ................................... ## | | / / + + + + / + ....................... /TT\ ..... ##/ /// / + + + + + + +/ + ......................./TTT/T\ ... /TT\/\\\ / + + + + + + +/ \ + ....................../TTT/TTTT\...|TT/T\\\/ + ++ + / ----------------------------------------------------------------------------- SHERPA version 2.2.15 (Cho Oyu) 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. ----------------------------------------------------------------------------- Git branch rel-2-2-15, revision a743ae308589a49fe1bfa08beffa3531a19d890e. Beam_Spectra_Handler : type = Monochromatic*Monochromatic for P+ ((6500,0,0,6500)) and P+ ((6500,0,0,-6500)) WARNING: M_TOP=0 replacing with SHERPA top mass: M_TOP=173.21 PDF set 'NNPDF30NNLO' loaded for beam 1 (P+). WARNING: M_TOP=0 replacing with SHERPA top mass: M_TOP=173.21 PDF set 'NNPDF30NNLO' loaded for beam 2 (P+). Initialized the ISR: (SF)*(SF) WARNING: M_TOP=0 replacing with SHERPA top mass: M_TOP=173.21 WARNING: M_TOP=0 replacing with SHERPA top mass: M_TOP=173.21 Standard_Model::FixEWParameters(EW_SCHEME=1){ 288:1./aqed->Default()=128.802 289:csin2thetaW=(0.222928,-0.00110708) 290:cvev=(243.034,-3.75493) } One_Running_AlphaS::One_Running_AlphaS() { Setting \alpha_s according to PDF perturbative order 2 \alpha_s(M_Z) = 0.118 } One_Running_AlphaS::One_Running_AlphaS() { 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 4.8 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 0 1 0 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 List of Particle Containers IDName kfc Constituents l 90 {e-,e+,mu-,mu+,tau-,tau+} v 91 {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} r 99 {d,db,u,ub,s,sb,c,cb,b,bb,G} Library_Loader::LoadLibrary(): Failed to load library 'libSherpaHepMCOutput.so'. Hadron_Init::Init(): Initializing kf table for hadrons. Initialized the Fragmentation_Handler. Initialized the Soft_Collision_Handler. CS_Shower::CS_Shower(): Set respect Q2 mode 0 CS_Shower::CS_Shower(): Set color setter mode 0 CS_Shower::CS_Shower(): Set respect Q2 mode 0 CS_Shower::CS_Shower(): Set color setter mode 0 Initialized the Shower_Handler. +-----------------------------------------+ | 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 | +-----------------------------------------+ ME_Generators::ME_Generators(): Try loading 'OpenLoops' from 'libSherpaOpenLoops'. Matrix_Element_Handler::Matrix_Element_Handler(): Set pilot run mode to 1. ME_Generator_Base::SetPSMasses(): Massive PS flavours for Comix: (c,cb,b,bb,e-,e+,mu-,mu+,tau-,tau+) +----------------------------------+ | | | 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: (c,cb,b,bb,e-,e+,mu-,mu+,tau-,tau+) Amegic::Initialize(): Set gauge 1. Initialising OpenLoops generator from /mt/home/dreichelt/hepsoftware/src/OpenLoops #################################################################### # ___ ___ ____ _ _ __ __ ___ __ ___ # # / \ |__| |__ |\ | | / \ / \ |__| /__ __/ # # \___/ | |___ | \| |__ \__/ \__/ | __/ /__ # # You are using OpenLoops 2 to evaluate loop amplitudes # # F. Buccioni, J.-N. Lang, J. Lindert, P. Maierhoefer, # # S. Pozzorini, M. Zoller, H. Zhang # # Eur.Phys.J. C79 (2019) no.10, 866 # # arXiv:1907.13071 # #################################################################### Matrix_Element_Handler::BuildProcesses(): Looking for processes ................................ done ( 25 MB, 0s / 0s ). Matrix_Element_Handler::InitializeProcesses(): Performing tests done ( 25 MB, 0s / 0s ). Initialized the Matrix_Element_Handler for the hard processes. Initialized the Beam_Remnant_Handler. Hadron_Decay_Map::Read: Initializing HadronDecays.dat. This may take some time. Initialized the Hadron_Decay_Handler, Decay model = Hadrons ME_Generator_Base::SetPSMasses(): Massive PS flavours for Amisic: (c,cb,b,bb,e-,e+,mu-,mu+,tau-,tau+) Simple_Chain::InitializeProcessList(): Init processes ................................................................................................................................................................................ done. Grid_Creator::ReadInGrid(): Reading grid ................................................................................................................................................................................ done. Simple_Chain::CalculateTotal(): Result is { \sigma_{hard} = 59.0732 mb at PT_{min} = 3.97224 GeV } Profile_Function_Base::CalculateOMean(3.4684): Results are { k = 13.8796 <\tilde{O}> = 0.249891 } Initialized the Multiple_Interactions_Handler (MI_Handler). Initialized the Soft_Photon_Handler. Variations::InitialiseParametersVector(){ Number of variations: 7 Named variations: MUR0.5_MUF0.5_PDF261000_PSMUR0.5_PSMUF0.5 MUR0.5_MUF1_PDF261000_PSMUR0.5_PSMUF1 MUR1_MUF0.5_PDF261000_PSMUR1_PSMUF0.5 MUR1_MUF1_PDF261000 MUR1_MUF2_PDF261000_PSMUR1_PSMUF2 MUR2_MUF1_PDF261000_PSMUR2_PSMUF1 MUR2_MUF2_PDF261000_PSMUR2_PSMUF2 } Read in channels from directory : Results/Amegic/MC_2_2__j__j__j__j Process_Group::CalculateTotalXSec(): Calculate xs for '2_2__j__j__j__j' (Amegic) 2_2__j__j__j__j : 255.155 pb +- ( 1.65565 pb = 0.648882 % )  exp. eff: 1.31656e-11 % reduce max for 2_2__j__j__j__j to 1.68598e-07 ( eps = 0.001 ) ---------------------------------------------------------- -- SHERPA generates events with the following structure -- ---------------------------------------------------------- Perturbative : Signal_Processes Perturbative : Hard_Decays Perturbative : Jet_Evolution:CSS Perturbative : Lepton_FS_QED_Corrections:Photons Perturbative : Multiple_Interactions:Amisic Perturbative : Minimum_Bias:Off Hadronization : Beam_Remnants Hadronization : Hadronization:Ahadic Hadronization : Hadron_Decays Unknown : Analysis : Rivet --------------------------------------------------------- Event 1 ( 10s elapsed / 12d 1h 43m 9s left ) -> ETA: Tue Jun 04 16:06 XS = 0.00097033 pb +- ( 0.00097033 pb = 100 % ) Event 2 ( 10s elapsed / 6d 2h 6m 29s left ) -> ETA: Wed May 29 16:29 XS = 0.00194066 pb +- ( 0 pb = 0 % ) Event 3 ( 10s elapsed / 4d 2h 47m 35s left ) -> ETA: Mon May 27 17:11 Event_Handler::MPISync() {  Memory usage increased by 19 MB, now 190 MB.  This might indicate a memory leak! Please monitor this process closely. } XS = 0.00291099 pb +- ( -nan pb = -2.14748e+07 % ) Event 4 ( 10s elapsed / 3d 3h 37m 19s left ) -> ETA: Sun May 26 18:00 XS = 0.00388132 pb +- ( -nan pb = -2.14748e+07 % ) Event 5 ( 11s elapsed / 2d 13h 19m 48s left ) -> ETA: Sun May 26 03:43 XS = 0.00485165 pb +- ( -nan pb = -2.14748e+07 % ) Event 6 ( 11s elapsed / 2d 3h 25m 55s left ) -> ETA: Sat May 25 17:49 XS = 0.00582198 pb +- ( -nan pb = -2.14748e+07 % ) Event 7 ( 11s elapsed / 1d 20h 24m 5s left ) -> ETA: Sat May 25 10:47 XS = 0.00679231 pb +- ( -nan pb = -2.14748e+07 % ) Event 8 ( 11s elapsed / 1d 15h 7m 43s left ) -> ETA: Sat May 25 05:31 XS = 0.00776264 pb +- ( -nan pb = -2.14748e+07 % ) Event 9 ( 11s elapsed / 1d 10h 54m 15s left ) -> ETA: Sat May 25 01:17 XS = 0.00873297 pb +- ( -nan pb = -2.14748e+07 % ) Event 10 ( 11s elapsed / 1d 7h 38m 8s left ) -> ETA: Fri May 24 22:01 XS = 0.0097033 pb +- ( -nan pb = -2.14748e+07 % ) Event 20 ( 12s elapsed / 16h 47m 17s left ) -> ETA: Fri May 24 07:10 XS = 0.0194066 pb +- ( -nan pb = -2.14748e+07 % ) Event 30 ( 12s elapsed / 11h 54m 13s left ) -> ETA: Fri May 24 02:17 XS = 0.0291099 pb +- ( -nan pb = -2.14748e+07 % ) Event 40 ( 13s elapsed / 9h 28m 56s left ) -> ETA: Thu May 23 23:52 XS = 0.0388132 pb +- ( -nan pb = -2.14748e+07 % ) Event 50 ( 14s elapsed / 8h 5s left ) -> ETA: Thu May 23 22:23 XS = 0.0485165 pb +- ( -nan pb = -2.14748e+07 % ) Event 60 ( 15s elapsed / 7h 3m 54s left ) -> ETA: Thu May 23 21:27 XS = 0.0582198 pb +- ( -nan pb = -2.14748e+07 % ) Event 70 ( 15s elapsed / 6h 18m 18s left ) -> ETA: Thu May 23 20:41 XS = 0.0679231 pb +- ( -nan pb = -2.14748e+07 % ) Event 80 ( 16s elapsed / 5h 46m 35s left ) -> ETA: Thu May 23 20:10 XS = 0.0776264 pb +- ( -nan pb = -2.14748e+07 % ) Event 90 ( 17s elapsed / 5h 24m 53s left ) -> ETA: Thu May 23 19:48 XS = 0.0873297 pb +- ( -nan pb = -2.14748e+07 % ) Event 100 ( 18s elapsed / 5h 4m 11s left ) -> ETA: Thu May 23 19:27 XS = 0.097033 pb +- ( -nan pb = -2.14748e+07 % ) Event 200 ( 27s elapsed / 3h 45m 12s left ) -> ETA: Thu May 23 18:08 XS = 0.194066 pb +- ( -nan pb = -2.14748e+07 % ) Event 300 ( 35s elapsed / 3h 17m 40s left ) -> ETA: Thu May 23 17:41 XS = 0.291099 pb +- ( -nan pb = -2.14748e+07 % ) Event 400 ( 45s elapsed / 3h 7m 9s left ) -> ETA: Thu May 23 17:31 XS = 0.388132 pb +- ( -nan pb = -2.14748e+07 % ) Event 500 ( 53s elapsed / 2h 56m 4s left ) -> ETA: Thu May 23 17:20 XS = 0.485165 pb +- ( -nan pb = -2.14748e+07 % ) Event 600 ( 1m 1s elapsed / 2h 49m 46s left ) -> ETA: Thu May 23 17:14 XS = 0.582198 pb +- ( -nan pb = -2.14748e+07 % ) Event 700 ( 1m 10s elapsed / 2h 46m 55s left ) -> ETA: Thu May 23 17:11 XS = 0.679231 pb +- ( -nan pb = -2.14748e+07 % ) Event 800 ( 1m 19s elapsed / 2h 44m 57s left ) -> ETA: Thu May 23 17:09 XS = 0.776264 pb +- ( -nan pb = -2.14748e+07 % ) Event 900 ( 1m 28s elapsed / 2h 42m 47s left ) -> ETA: Thu May 23 17:07 Event_Handler::MPISync() {  Memory usage increased by 17 MB, now 207 MB.  This might indicate a memory leak! Please monitor this process closely. } XS = 0.873297 pb +- ( -nan pb = -2.14748e+07 % ) Blob_List::FourMomentumConservation(): (0x2cb4d98) Four Momentum is not conserved. p_{in} = (13000,0,0,0) vs. p_{out} = (13001.4,-0.231367,-0.296564,2.53124), diff = (1.42524,-0.231367,-0.296564,2.53124). Event 1000 ( 1m 37s elapsed / 2h 40m 56s left ) -> ETA: Thu May 23 17:05 XS = 0.97033 pb +- ( -nan pb = -2.14748e+07 % ) Event 2000 ( 3m 7s elapsed / 2h 32m 49s left ) -> ETA: Thu May 23 16:59 XS = 1.94066 pb +- ( -nan pb = -2.14748e+07 % ) Event 3000 ( 4m 42s elapsed / 2h 32m 24s left ) -> ETA: Thu May 23 17:00 XS = 2.91099 pb +- ( -nan pb = -2.14748e+07 % ) Event 4000 ( 6m 17s elapsed / 2h 30m 49s left ) -> ETA: Thu May 23 17:00 XS = 3.88132 pb +- ( -nan pb = -2.14748e+07 % ) Event 5000 ( 7m 52s elapsed / 2h 29m 28s left ) -> ETA: Thu May 23 17:00 XS = 4.85165 pb +- ( -nan pb = -2.14748e+07 % ) Event 6000 ( 9m 26s elapsed / 2h 28m 1s left ) -> ETA: Thu May 23 17:00 XS = 5.82198 pb +- ( -nan pb = -2.14748e+07 % ) Event 7000 ( 11m 1s elapsed / 2h 26m 32s left ) -> ETA: Thu May 23 17:00 XS = 6.79231 pb +- ( -nan pb = -2.14748e+07 % ) Event 8000 ( 12m 36s elapsed / 2h 25m left ) -> ETA: Thu May 23 17:00 XS = 7.76264 pb +- ( -nan pb = -2.14748e+07 % ) Event 9000 ( 14m 10s elapsed / 2h 23m 14s left ) -> ETA: Thu May 23 17:00 XS = 8.73297 pb +- ( -nan pb = -2.14748e+07 % ) Event 10000 ( 15m 43s elapsed / 2h 21m 29s left ) -> ETA: Thu May 23 17:00 XS = 9.7033 pb +- ( -nan pb = -2.14748e+07 % ) Decay_Channel::GenerateKinematics(B+ --> D*(2007) D*(2010)+b K+ pi+ ) warning: d\Gamma(x)=1.48117e-06 > max(d\Gamma)=8.179e-07 Event 20000 ( 31m 18s elapsed / 2h 5m 15s left ) -> ETA: Thu May 23 16:59 XS = 19.4066 pb +- ( -nan pb = -2.14748e+07 % ) Blob_List::FourMomentumConservation(): (0x2cb4d98) Four Momentum is not conserved. p_{in} = (13000,0,0,0) vs. p_{out} = (13004.5,0.36773,0.348257,-4.47167), diff = (4.50032,0.36773,0.348257,-4.47167). Event 30000 ( 47m 10s elapsed / 1h 50m 5s left ) -> ETA: Thu May 23 17:00 Event_Handler::MPISync() {  Memory usage increased by 28 MB, now 236 MB.  This might indicate a memory leak! Please monitor this process closely. } XS = 14.3039 pb +- ( -nan pb = -2.14748e+07 % ) Decay_Channel::GenerateKinematics(B+ --> D*(2007)b D+ K pi ) warning: d\Gamma(x)=2.34243e-06 > max(d\Gamma)=1.31e-06 Decay_Channel::GenerateKinematics(D --> Kb pi+ pi+b pi ) warning: d\Gamma(x)=4.11007e-15 > max(d\Gamma)=3.14e-15 Event 40000 ( 1h 9m 21s elapsed / 1h 44m 1s left ) -> ETA: Thu May 23 17:16 XS = 14.9217 pb +- ( -nan pb = -2.14748e+07 % ) Decay_Channel::GenerateKinematics(B+ --> D*(2010)+ D*(2010)+b K pi+ ) warning: d\Gamma(x)=4.78249e-06 > max(d\Gamma)=7.299e-07 Event 50000 ( 1h 31m 38s elapsed / 1h 31m 38s left ) -> ETA: Thu May 23 17:26 Event_Handler::MPISync() {  Memory usage increased by 42 MB, now 278 MB.  This might indicate a memory leak! Please monitor this process closely. } XS = 15.5396 pb +- ( -nan pb = -2.14748e+07 % ) Decay_Channel::GenerateKinematics(B --> D*(2010)+b D+ K pi ) warning: d\Gamma(x)=2.00502e-06 > max(d\Gamma)=1.274e-06 Decay_Channel::GenerateKinematics(B --> D*(2007) Db K+ pi+b ) warning: d\Gamma(x)=2.38588e-06 > max(d\Gamma)=1.349e-06 Decay_Channel::GenerateKinematics(B --> D Db K+ pi+b ) warning: d\Gamma(x)=2.20495e-06 > max(d\Gamma)=1.59912e-06 Decay_Channel::GenerateKinematics(B --> D*(2007) D+b K+ pi ) warning: d\Gamma(x)=2.09093e-06 > max(d\Gamma)=1.354e-06 Event 60000 ( 1h 53m 36s elapsed / 1h 15m 44s left ) -> ETA: Thu May 23 17:32 XS = 16.1574 pb +- ( -nan pb = -2.14748e+07 % ) Decay_Channel::GenerateKinematics(B(c)+ --> eta(c)(1S) vtau tau+ ) warning: d\Gamma(x)=1.25554e-12 > max(d\Gamma)=9.263e-13 Decay_Channel::GenerateKinematics(B+ --> D*(2007) Db K+ pi ) warning: d\Gamma(x)=2.18842e-06 > max(d\Gamma)=1.41e-06 Decay_Channel::GenerateKinematics(B --> D*(2007)b D*(2010)+ K pi+b ) warning: d\Gamma(x)=2.0471e-06 > max(d\Gamma)=8.72787e-07 Event 70000 ( 2h 15m 23s elapsed / 58m 1s left ) -> ETA: Thu May 23 17:36 XS = 16.7753 pb +- ( -nan pb = -2.14748e+07 % ) Decay_Channel::GenerateKinematics(B --> Db D+ K pi+b ) warning: d\Gamma(x)=1.85739e-06 > max(d\Gamma)=1.184e-06 Event 80000 ( 2h 37m 39s elapsed / 39m 24s left ) -> ETA: Thu May 23 17:40 XS = 17.3931 pb +- ( -nan pb = -2.14748e+07 % ) Decay_Channel::GenerateKinematics(B+ --> D*(2007) D+b K+ pi+ ) warning: d\Gamma(x)=3.03296e-06 > max(d\Gamma)=1.294e-06 ...... Cluster_Part::TestDecay fails for ------------------------------------------------------------- Cluster [cluster, 5, 0] ((7.15626,1.34919,0.089049,5.98991), mass = 3.67489, y = 1.21113) [> 4] [< 6] : l : ss_1b (4.12124,0.661464,-1.20733,3.58321) 1.5, kt_max = 0.342711, pt = 1.37666, y = 1.33082 l : ud_1 (3.03503,0.687721,1.29638,2.4067) 1.125, kt_max = 0.836737, pt = 1.4675, y = 1.0794 Ahadic::Hadronize(): Momentum imbalance: (7.15626,1.34919,0.089049,5.98991) Event 90000 ( 2h 59m 8s elapsed / 19m 54s left ) -> ETA: Thu May 23 17:42 XS = 18.011 pb +- ( -nan pb = -2.14748e+07 % ) Decay_Channel::GenerateKinematics(B+ --> D*(2007)b D*(2010)+ K pi ) warning: d\Gamma(x)=1.22572e-06 > max(d\Gamma)=8.264e-07 Blob_List::FourMomentumConservation(): (0x2cb4d98) Four Momentum is not conserved. p_{in} = (13000,0,0,0) vs. p_{out} = (12999.6,0.27981,-0.0684826,0.0345729), diff = (-0.400514,0.27981,-0.0684826,0.0345729). Decay_Channel::GenerateKinematics(B --> D*(2007) D*(2010)+b K+ pi ) warning: d\Gamma(x)=3.33609e-06 > max(d\Gamma)=8.84e-07 Decay_Channel::GenerateKinematics(B+ --> D D*(2010)+b K+ pi+ ) warning: d\Gamma(x)=2.14774e-06 > max(d\Gamma)=1.54366e-06 Decay_Channel::GenerateKinematics(Omega(b)- --> ss_1 c cb s ) warning: d\Gamma(x)=4.03092e-14 > max(d\Gamma)=2.716e-14 Event 100000 ( 11989 s total ) = 720666 evts/day In Event_Handler::Finish : Summarizing the run may take some time. Rivet_Interface::Finish(Analysis_CSS/1132){ } +----------------------------------------------------------+ | | | Total XS is 18.6288 pb +- ( -nan pb = -2.14748e+07 % ) | | | +----------------------------------------------------------+ Return_Value::PrintStatistics(): Statistics { Generated events: 100000 New events { From "Beam_Remnants": 3 (100078) -> 0 % } Retried events { From "Beam_Remnants": 50 (100078) -> 0 % From "Hadronization:Ahadic": 25 (139258) -> 0 % From "Jet_Evolution:CSS": 3990 (576113) -> 0.6 % } Retried phases { From "Hadron_Decay_Handler::RejectExclusiveChannelsFromFragmentation": 19278 (0) -> 19278. } Retried methods { From "Decay_Channel::GenerateKinematics": 41 (41692398) -> 0 % } } Time: 3h 19m 54s on Thu May 23 17:43:09 2024 (User: 3h 19m 5s, System: 7s, Children User: 0s, Children System: 0s)