{"artifact_id":"L1-482","layer":"L1","title":"Monte Carlo Event Generation","domain":"Particle Physics","sub_domain":"Collider phenomenology","physics_fingerprint":{"L_DAG":4.5,"title":"Monte Carlo Event Generation","domain":"Particle Physics","carrier":"particle","primitives":["G.structured","S.hadronization.lund_string","O.chi2.event_shape"],"sub_domain":"Collider phenomenology","noise_model":"monte_carlo_statistical","problem_class":"parameter_estimation","solution_space":"shower_parameter_vector","difficulty_delta":5,"integration_axis":"phase_space","sensing_mechanism":"parton_shower_hadronization"},"observable_profile":{"metric":"tune_chi2_per_dof","regime":"Existence of the recovered shower_parameter_vector is guaranteed within the declared Omega bounds. Uniqueness holds on the measurement-supported subspace; out-of-support modes are controlled by declared priors. Stability is conditionally stable (kappa_eff ~= 1000.0); non_perturbative_power_corrections dominates the stability cliff; the remaining mismatch parameters contribute higher-order bias terms. Monte carlo statistical sets the irreducible data-fidelity floor.","secondary":"event_shape_RMSE"},"size_tiers":{"center_spec":{"omega":{"energy_GeV":91.2,"N_observables":50,"alpha_s_range":0.12,"N_events_per_point":1000},"input_format":"measurement_only","problem_class":"parameter_estimation","forward_operator":"parton_shower_hadronization","epsilon_fn_center":"1.1 tune_chi2_per_dof"},"omega_bounds":{"energy_GeV":[14,14000],"N_observables":[10,200],"alpha_s_range":[0.1,0.14],"N_events_per_point":[100,100000]},"epsilon_bounds":{"tune_chi2_per_dof":[0.8,3.0]},"allowed_problem_classes":["parameter_estimation"],"allowed_omega_dimensions":["N_observables","N_events_per_point","alpha_s_range","energy_GeV"],"allowed_forward_operators":["parton_shower_hadronization"]},"hardness_fn":{"type":"epsilon_fn","delta":5,"kappa":100000.0,"metric":"tune_chi2_per_dof"},"initiator_dataset":[{"name":"primary","weight":1.0,"ipfs_cid":null,"license_hash":null}],"status":"testnet","staked_pwm":0.0,"chain_hash":"0x8fc5f8da1f4c2de286421b8fd16cd9fb1776c67066902c4bfbd1ac08cc7cc4c4","chain_tx_hash":"0x273b61d986bd867cba824525bc91324edb62d388cfd0fa61c94bad35e96b5aa3","chain_block":41555301}