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---
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title: Defined FlavorKit parameters
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permalink: /Defined_FlavorKit_parameters/
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---
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[Category:FlavorKit](/Category:FlavorKit "wikilink") The following parameters can be used in the Fortran files FlavorKit
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SM parameters
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-------------
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| Paramter | Variable |
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|:------------------------------------------------------:|:------------:|
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| *α*<sub>*S*</sub>(*M*<sub>*Z*</sub>) | `AlphaS_MZ` |
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| *α*<sub>*S*</sub>(*Q*) | `AlphaS_160` |
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| sin(*Θ*<sub>*W*</sub>)<sup>2</sup> at*M*<sub>*Z*</sub> | `sinW2_MZ` |
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| sin(*Θ*<sub>*W*</sub>)<sup>2</sup> at*Q* | `sinW2` |
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| sin(*Θ*<sub>*W*</sub>)<sup>2</sup> | `sinW2` |
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| *α*(0) | `Alpha` |
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| *α*(*M*<sub>*Z*</sub>) | `Alpha_MZ` |
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| *α*(*Q*) | `Alpha_160` |
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| CKM at(*M*<sub>*Z*</sub>) | `CKM_MZ` |
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| CKM at*Q* | `CKM_160` |
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| input CKM | `CKM` |
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| *M*<sub>*W*</sub>(*M*<sub>*Z*</sub>) | `MW_MZ` |
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| *M*<sub>*W*</sub>(*Q*) | `MW_160` |
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| *M*<sub>*W*</sub> | `MW` |
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| *m*<sub>*d*</sub>(*Q*) | `mf_d_160` |
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| *m*<sub>*d*</sub>(*M*<sub>*Z*</sub>) | `mf_d_MZ` |
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| *m*<sub>*d*</sub> | `mf_d` |
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| *m*<sub>*u*</sub>(*Q*) | `mf_u_160` |
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| *m*<sub>*u*</sub>(*M*<sub>*Z*</sub>) | `mf_u_MZ` |
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| *m*<sub>*u*</sub> | `mf_u` |
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| *m*<sub>*l*</sub>(*Q*) | `mf_l_160` |
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| *m*<sub>*l*</sub>(*M*<sub>*Z*</sub>) | `mf_l_MZ` |
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| *m*<sub>*l*</sub> | `mf_l` |
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| Width*Γ*<sub>*μ*</sub> of*μ* | `GammaMu` |
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| Width*Γ*<sub>*μ*</sub> of*τ* | `GammaTau` |
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Hadronic parameters
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-------------------
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### Life time and mass
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| Particle | Life time | default \[s\] | Mass | default \[GeV\] | PDG number |
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|:-------------------------------:|:-----------:|:-----------------------:|:------------:|:---------------:|:----------:|
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| *π*<sup>0</sup> | `tau_pi0` | 8.52 ⋅ 10<sup>−17</sup> | `mass_pi0` | 0.13498 | 111 |
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| *π*<sup>+</sup> | `tau_pip` | 2.60 ⋅ 10<sup>−8</sup> | `mass_pip` | 0.13957 | 211 |
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| *ρ*(770)<sup>0</sup> | `tau_rho0` | 4.41 ⋅ 10<sup>−24</sup> | `mass_rho0` | 0.77549 | 113 |
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| *D*<sup>0</sup> | `tau_D0` | 4.10 ⋅ 10<sup>−13</sup> | `mass_D0` | 1.86486 | 421 |
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| *D*<sup>+</sup> | `tau_Dp` | 1.04 ⋅ 10<sup>−12</sup> | `mass_Dp` | 1.86926 | 411 |
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| *D*<sub>*s*</sub><sup>+</sup> | `tau_DSp` | 5.00 ⋅ 10<sup>−13</sup> | `mass_DSp` | 1.96849 | 431 |
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| *D*<sub>*s*</sub><sup>\*+</sup> | `tau_DSsp` | - | `mass_DSsp` | 2.1123 | 433 |
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| *η* | `tau_eta` | 5.06 ⋅ 10<sup>−19</sup> | `mass_eta` | 0.54785 | 221 |
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| *η*<sup>′</sup>(958) | `tau_etap` | 3.31 ⋅ 10<sup>−21</sup> | `mass_etap` | 0.95778 | 331 |
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| *ω*(782) | `tau_omega` | 7.75 ⋅ 10<sup>−23</sup> | `mass_omega` | 0.78265 | 223 |
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| *ϕ*(1020) | `tau_phi` | 1.54 ⋅ 10<sup>−22</sup> | `mass_phi` | 1.01946 | 333 |
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| *K*<sub>*L*</sub><sup>0</sup> | `tau_KL0` | 5.12 ⋅ 10<sup>−8</sup> | `mass_KL0` | - | 130 |
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| *K*<sub>*S*</sub><sup>0</sup> | `tau_KS0` | 0.90 ⋅ 10<sup>−10</sup> | `mass_KS0` | - | 310 |
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| *K*<sup>0</sup> | `tau_K0` | - | `mass_K0` | 0.49761 | 311 |
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| *K*<sup>+</sup> | `tau_Kp` | 1.24 ⋅ 10<sup>−8</sup> | `mass_Kp` | 0.49368 | 321 |
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| *B*<sub>*d*</sub><sup>0</sup> | `tau_B0d` | 1.52 ⋅ 10<sup>−12</sup> | `mass_B0d` | 5.27958 | 511 |
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| *B*<sub>*s*</sub><sup>0</sup> | `tau_B0s` | 1.50 ⋅ 10<sup>−12</sup> | `mass_B0s` | 5.36677 | 531 |
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| *B*<sup>+</sup> | `tau_Bp` | 1.64 ⋅ 10<sup>−12</sup> | `mass_Bp` | 5.27925 | 521 |
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| *B*<sup>\*0</sup> | `tau_B0c` | 1.43 ⋅ 10<sup>−23</sup> | `mass_B0c` | 5.3252 | 513 |
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| *B*<sup>\*+</sup> | `tau_Bpc` | 1.43 ⋅ 10<sup>−23</sup> | `mass_Bpc` | 5.3252 | 523 |
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| *B*<sub>*c*</sub><sup>+</sup> | `tau_Bcp` | 4.54 ⋅ 10<sup>−13</sup> | `mass_Bcp` | 6.277 | 541 |
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| *K*<sup>\*0</sup>(892) | `tau_K0c` | 1.42 ⋅ 10<sup>−23</sup> | `mass_K0c` | 0.8959 | 313 |
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| *K*<sup>\*+</sup>(892) | `tau_Kpc` | 1.30 ⋅ 10<sup>−23</sup> | `mass_Kpc` | 0.8917 | 323 |
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| *η*<sub>*c*</sub>(1*S*) | `tau_etac` | 2.22 ⋅ 10<sup>−23</sup> | `mass_etac` | 2.9810 | 441 |
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| *J*/*Ψ*(1*S*) | `tau_JPsi` | 7.08 ⋅ 10<sup>−24</sup> | `mass_JPSi` | 3096.92 | 443 |
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| *Υ*(1*S*) | `tau_Ups` | 1.21 ⋅ 10<sup>−23</sup> | `mass_Ups` | 9.4603 | 553 |
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### Decay constants
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| Decay constant | Variable | default \[MeV\] | FLHA |
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|:-------------------------------------------:|:--------------:|:---------------:|:---------------:|
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| *f*<sub>*K*</sub> | `f_k_CONST` | 176 | `FCONST[321,1]` |
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| *f*<sub>*K*<sup>+</sup></sub> | `f_Kp_CONST` | 156 | `FCONST[323,1]` |
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| *f*<sub>*π*</sub> | `f_pi_CONST` | 118 | `FCONST[111,1]` |
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| *f*<sub>*B*<sub>*d*</sub><sup>0</sup></sub> | `f_B0d_CONST` | 194 | `FCONST[511,1]` |
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| *f*<sub>*B*<sub>*s*</sub><sup>0</sup></sub> | `f_B0s_CONST` | 234 | `FCONST[531,1]` |
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| *f*<sub>*B*<sup>+</sup></sub> | `f_Bp_CONST` | 234 | `FCONST[521,1]` |
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| *f*<sub>*η*′</sub> | `f_etap_CONST` | 172 | `FCONST[231,1]` |
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| *f*<sub>*ρ*</sub> | `f_rho_CONST` | 220 | `FCONST[213,1]` |
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| *f*<sub>*D*<sup>+</sup></sub> | `f_Dp_CONST` | 256 | `FCONST[411,1]` |
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| *f*<sub>*D*<sub>*s*</sub></sub> | `f_Ds_CONST` | 248 | `FCONST[431,1]` |
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See also
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-------- |
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\ No newline at end of file |