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SARAH
SARAH

Defined_FlavorKit_parameters

Last edited by Martin Gabelmann
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Defined FlavorKit parameters

The following parameters can be used in the Fortran files FlavorKit

SM parameters

Paramter Variable
αS(MZ) AlphaS_MZ
αS(Q) AlphaS_160
sin(ΘW)2 atMZ sinW2_MZ
sin(ΘW)2 atQ sinW2
sin(ΘW)2 sinW2
α(0) Alpha
α(MZ) Alpha_MZ
α(Q) Alpha_160
CKM at(MZ) CKM_MZ
CKM atQ CKM_160
input CKM CKM
MW(MZ) MW_MZ
MW(Q) MW_160
MW MW
md(Q) mf_d_160
md(MZ) mf_d_MZ
md mf_d
mu(Q) mf_u_160
mu(MZ) mf_u_MZ
mu mf_u
ml(Q) mf_l_160
ml(MZ) mf_l_MZ
ml mf_l
WidthΓμ ofμ GammaMu
WidthΓμ ofτ GammaTau

Hadronic parameters

Life time and mass

Particle Life time default [s] Mass default [GeV] PDG number
π0 tau_pi0 8.52 ⋅ 10−17 mass_pi0 0.13498 111
π+ tau_pip 2.60 ⋅ 10−8 mass_pip 0.13957 211
ρ(770)0 tau_rho0 4.41 ⋅ 10−24 mass_rho0 0.77549 113
D0 tau_D0 4.10 ⋅ 10−13 mass_D0 1.86486 421
D+ tau_Dp 1.04 ⋅ 10−12 mass_Dp 1.86926 411
Ds+ tau_DSp 5.00 ⋅ 10−13 mass_DSp 1.96849 431
Ds*+ tau_DSsp - mass_DSsp 2.1123 433
η tau_eta 5.06 ⋅ 10−19 mass_eta 0.54785 221
η′(958) tau_etap 3.31 ⋅ 10−21 mass_etap 0.95778 331
ω(782) tau_omega 7.75 ⋅ 10−23 mass_omega 0.78265 223
ϕ(1020) tau_phi 1.54 ⋅ 10−22 mass_phi 1.01946 333
KL0 tau_KL0 5.12 ⋅ 10−8 mass_KL0 - 130
KS0 tau_KS0 0.90 ⋅ 10−10 mass_KS0 - 310
K0 tau_K0 - mass_K0 0.49761 311
K+ tau_Kp 1.24 ⋅ 10−8 mass_Kp 0.49368 321
Bd0 tau_B0d 1.52 ⋅ 10−12 mass_B0d 5.27958 511
Bs0 tau_B0s 1.50 ⋅ 10−12 mass_B0s 5.36677 531
B+ tau_Bp 1.64 ⋅ 10−12 mass_Bp 5.27925 521
B*0 tau_B0c 1.43 ⋅ 10−23 mass_B0c 5.3252 513
B*+ tau_Bpc 1.43 ⋅ 10−23 mass_Bpc 5.3252 523
Bc+ tau_Bcp 4.54 ⋅ 10−13 mass_Bcp 6.277 541
K*0(892) tau_K0c 1.42 ⋅ 10−23 mass_K0c 0.8959 313
K*+(892) tau_Kpc 1.30 ⋅ 10−23 mass_Kpc 0.8917 323
ηc(1S) tau_etac 2.22 ⋅ 10−23 mass_etac 2.9810 441
J/Ψ(1S) tau_JPsi 7.08 ⋅ 10−24 mass_JPSi 3096.92 443
Υ(1S) tau_Ups 1.21 ⋅ 10−23 mass_Ups 9.4603 553

Decay constants

Decay constant Variable default [MeV] FLHA
fK f_k_CONST 176 FCONST[321,1]
fK+ f_Kp_CONST 156 FCONST[323,1]
fπ f_pi_CONST 118 FCONST[111,1]
fBd0 f_B0d_CONST 194 FCONST[511,1]
fBs0 f_B0s_CONST 234 FCONST[531,1]
fB+ f_Bp_CONST 234 FCONST[521,1]
fη′ f_etap_CONST 172 FCONST[231,1]
fρ f_rho_CONST 220 FCONST[213,1]
fD+ f_Dp_CONST 256 FCONST[411,1]
fDs f_Ds_CONST 248 FCONST[431,1]

See also