| # *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~* | |
| # * CLASS input parameter file * | |
| # *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~* | |
| # This example of input file, intended for CLASS beginners, lists only | |
| # the most common input parameters with small comments. Only lines | |
| # containing an equal sign not preceded by a sharp sign "#" are considered by | |
| # the code, any other line is considered as a comment. | |
| # | |
| # The normal syntax is: parameter = value(s) | |
| # ------------------------- | |
| # ----> General parameters: | |
| # ------------------------- | |
| # REQUESTED OUTPUT FROM CLASS (Important!) | |
| # - 'tCl' for temperature Cls, | |
| # - 'pCl' for polarization (TE,BB,EE) Cls, | |
| # - 'lCl' for CMB lensing POTENTIAL Cl (Cl^psi-psi, required for lensed Cls), | |
| # - 'nCl' (or 'dCl') for density number count Cls, | |
| # - 'sCl' for galaxy lensing potential Cls (Cl^phi-phi), | |
| # - 'mPk' for total matter power spectrum P(k), | |
| # - 'dTk' for density transfer functions, | |
| # - 'vTk' for velocity transfer functions, | |
| # - 'Sd' for spectral distortions | |
| # --> deflection d: Cl^dd = l(l+1) C_l^phi-phi | |
| # --> convergence kappa and shear gamma: the share the same harmonic | |
| # power spectrum: Cl^gamma-gamma = 1/4 * [(l+2)!/(l-2)!] C_l^phi-phi | |
| output = tCl,pCl,lCl,mPk | |
| #output = tCl,pCl,lCl | |
| #output = mPk,mTk | |
| #output = Sd | |
| lensing = yes # Should the Cls from above be lensed for CMB? | |
| lcmb_rescale = 1 # Amplitude rescale of lensing only | |
| lcmb_tilt = 0 # CMB l tilt of lensing | |
| lcmb_pivot = 0.1 # CMB l pivot of lensing | |
| non_linear = # Select 'halofit' or 'HMCode' or leave blank | |
| ic = ad # Select initial conditions | |
| #(ad,bi,cdi,nid,nvi) -> (adiabatic,baryon,cdm,neutrino density,neutrino velocity) | |
| modes = s # Modes of the perturbations | |
| # (s,v,t) -> (scalar,vector,tensor) | |
| #number_count_contributions = # nCl contributions | |
| #(density,lensing,rsd,gr) -> (density, lensing, rsd+doppler, all others) | |
| #selection=gaussian # nCl window function type | |
| #selection_mean=1.0,1.25,2.0,3.5 # Mean redshifts of nCl window functions | |
| #selection_width = 0.1 # Widths of nCl window functions | |
| #selection_bias = # Biases of nCl window functions | |
| #selection_magnification_bias = # Biases of lensing of nCl | |
| #non_diagonal=3 # Number of non-diagonal terms | |
| l_max_scalars = 2500 # lmax of CMB for scalar mode | |
| #l_max_tensors = 500 # lmax of CMB for tensor mode | |
| #l_max_lss = 300 # lmax of nCl | |
| P_k_max_h/Mpc = 1. # Maximum k for P(k) in 1/Mpc | |
| #P_k_max_1/Mpc = 0.7 # Maximum k for P(k) in h/Mpc | |
| z_pk = 0 # Redshifts of P(k,z) | |
| # ---------------------------- | |
| # ----> Cosmological parameters: | |
| # ---------------------------- | |
| h = 0.67810 # Dimensionless reduced Hubble parameter (H_0 / (100km/s/Mpc)) | |
| #H0 = 67.810 # Hubble parameter in km/s/Mpc | |
| #100*theta_s = 1.041783 # Angular size of the sound horizon, exactly 100(ds_dec/da_dec) | |
| # with decoupling time given by maximum of visibility function | |
| # (different from theta_MC of CosmoMC and | |
| # slightly different from theta_* of CAMB) | |
| T_cmb = 2.7255 # CMB temperature | |
| omega_b = 0.02238280 # Reduced baryon density (Omega*h^2) | |
| #Omega_b = # Baryon density | |
| omega_cdm = 0.1201075 # Reduced cold dark matter density (Omega*h^2) | |
| #Omega_cdm = # CDM density | |
| omega_dcdmdr = 0.0 # Reduced decaying dark matter density (Omega*h^2) | |
| #Omega_dcdmdr = # DCDM density | |
| #Gamma_dcdm = 0.0 # Decay constant of DCDM in km/s/Mpc | |
| Omega_k = 0. # Curvature density | |
| Omega_fld = 0 # Dark Energy as Fluid density | |
| Omega_scf = 0 # Dark Energy as Scalar field density | |
| # Usually Omega_Lambda will be matched by the budget equation sum Omega_i = 1, no need to set it manually | |
| #Omega_Lambda = 0.7 # Cosmological constant density | |
| # If you have respectively 0,1,2, or 3 MASSIVE neutrinos and the default T_ncdm of 0.71611, | |
| # designed to give M_tot/omega_nu of 93.14 eV, and if you want N_eff equal to 3.044, | |
| # then you should pass for N_ur 3.044,2.0308,1.0176, or 0.00441 | |
| N_ur = 3.044 # Effective number of MASSLESS neutrino species | |
| #Omega_ur = # Reduced MASSLESS neutrino density (Omega*h^2) | |
| #omega_ur = # MASSLESS neutrino density | |
| N_ncdm = # Massive neutrino species | |
| #m_ncdm = 0.06 # Mass of the massive neutrinos | |
| #omega_ncdm = 0.0006451439 # Reduced massive neutrino density (Omega*h^2) | |
| #Omega_ncdm = # Massive neutrino density | |
| #deg_ncdm = # Degeneracy of massive neutrinos | |
| ### For Omega_fld != 0 | |
| # Chevalier-Linder-Polarski => CLP | |
| # Early Dark Energy => EDE | |
| #fluid_equation_of_state = CLP | |
| #CLP case | |
| #w0_fld = -0.9 | |
| #wa_fld = 0. | |
| #cs2_fld = 1 | |
| #EDE case | |
| #w0_fld = -0.9 | |
| #Omega_EDE = 0. | |
| #cs2_fld = 1 | |
| # ---------------------------- | |
| # ----> Thermodynamics/Heating parameters: | |
| # ---------------------------- | |
| # Infer YHe from BBN. Alternatively provide your own number here | |
| YHe = BBN | |
| # Recombination code : 'RECFAST' or 'HyRec' | |
| recombination = HyRec | |
| z_reio = 7.6711 # Redshift of reionization | |
| #tau_reio = 0.05430842 # Optical depth of reionization | |
| reio_parametrization = reio_camb | |
| reionization_exponent = 1.5 | |
| reionization_width = 0.5 | |
| helium_fullreio_redshift = 3.5 | |
| helium_fullreio_width = 0.5 | |
| ### Energy injections | |
| DM_annihilation_cross_section = 0.# Dark Matter annihilation cross section in [cm^3/s] | |
| DM_annihilation_mass = 0. # Dark Matter mass in [GeV] | |
| DM_decay_fraction = 0. # Dark Matter decay fraction | |
| DM_decay_Gamma = 0. # Dark Matter decay width | |
| f_eff_type = on_the_spot # Injection efficiency | |
| chi_type = CK_2004 # Deposition function | |
| # ---------------------------- | |
| # ----> Primordial parameters: | |
| # ---------------------------- | |
| P_k_ini type = analytic_Pk # Select primordial spectrum | |
| #('analytic_Pk','inflation_V','inflation_H','inflation_V_end','two scales','external_Pk') | |
| k_pivot = 0.05 # Pivot scale for A_s,n_s | |
| A_s = 2.100549e-09 # Amplitude of prim spectrum | |
| #ln10^{10}A_s = 3.0980 # ln Amplitude of prim spectrum | |
| # sigma8 = 0.848365 # Final density averaged over 8 Mpc | |
| n_s = 0.9660499 # Spectrum tilt | |
| alpha_s = 0. # Spectrum running of tilt | |
| #r = 1. # If tensors are activated | |
| # See explanatory.ini for more information about all the different primordial spectra | |
| # --------------------------- | |
| # ----> Spectral distortions: | |
| # --------------------------- | |
| sd_branching_approx = exact # Appriximation for the calculation of the branching ratios | |
| sd_PCA_size = 2 # Number of multipoles in PCA expansion | |
| sd_detector_name = PIXIE # Name of the detector | |
| #sd_detector_nu_min = 30. # Detector specifics | |
| #sd_detector_nu_max = 1000. | |
| #sd_detector_nu_delta = 15. | |
| #sd_detector_bin_number = 65 # Alternative to 'sd_detector_nu_delta' | |
| #sd_detector_delta_Ic = 5.e-26 | |
| #include_SZ_effect = no | |
| # ---------------------------------- | |
| # ----> Output parameters: | |
| # ---------------------------------- | |
| #root = output/default # Root name of output files | |
| overwrite_root = no # Overwrite the output files? | |
| write_background = no # Write background parameter table | |
| write_thermodynamics = no # Write thermodynamics parameter table | |
| #k_output_values = 1e-3,1e-2 # Write perturbations parameter table (at given k) | |
| write_primordial = no # Write primordial parameter table | |
| write_parameters = yeap # Write used/unused parameter files | |
| write_warnings = yes # Warn about forgotten/wrong inputs | |
| #Verbosity | |
| input_verbose = 1 | |
| background_verbose = 1 | |
| thermodynamics_verbose = 1 | |
| perturbations_verbose = 1 | |
| transfer_verbose = 1 | |
| primordial_verbose = 1 | |
| harmonic_verbose = 1 | |
| fourier_verbose = 1 | |
| lensing_verbose = 1 | |
| output_verbose = 1 | |