# Changes between Version 8 and Version 9 of FCNC4F

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Timestamp:
11/04/18 10:18:19 (23 months ago)
Comment:

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• ## FCNC4F

 v8 == Description of the model: This is a Contact Interaction model with b-s-l-l FCNC terms. The lagrangian of the model is described by: \\ This is a Contact Interaction model with b-s-l-l FCNC terms. The lagrangian of the model is described by: {{{ #!latex \begin{eqnarray} \mathcal{L}_{eff} = \frac{C_{ij}^{U \mu}}{v^2} (\bar{u}_{L}^{i} \gamma_{\mu} u_{L}^{j}) (\bar{\mu}_{L} \gamma_{\mu} \mu_{L}) + \frac{C_{ij}^{D \mu}}{v^2} (\bar{d}_{L}^{i} \gamma_{\mu} d_{L}^{j}) (\bar{\mu}_{L} \gamma_{\mu} \mu_{L}) + \\ \frac{C_{ij}^{U e}}{v^2} (\bar{u}_{L}^{i} \gamma_{\mu} u_{L}^{j}) (\bar{e}_{L} \gamma_{\mu} e_{L}) + \frac{C_{ij}^{D e}}{v^2} (\bar{d}_{L}^{i} \gamma_{\mu} d_{L}^{j}) (\bar{e}_{L} \gamma_{\mu} e_{L}) \mathcal{L}_{eff} = \frac{C_{ij}^{U \mu}}{v^2} (\bar{u}_{L}^{i} \gamma_{\mu} u_{L}^{j}) (\bar{\mu}_{L} \gamma^{\mu} \mu_{L}) + \frac{C_{ij}^{D \mu}}{v^2} (\bar{d}_{L}^{i} \gamma_{\mu} d_{L}^{j}) (\bar{\mu}_{L} \gamma^{\mu} \mu_{L}) + \\ \frac{C_{ij}^{U e}}{v^2} (\bar{u}_{L}^{i} \gamma_{\mu} u_{L}^{j}) (\bar{e}_{L} \gamma^{\mu} e_{L}) + \frac{C_{ij}^{D e}}{v^2} (\bar{d}_{L}^{i} \gamma_{\mu} d_{L}^{j}) (\bar{e}_{L} \gamma^{\mu} e_{L}) \end{eqnarray} }}} == Model Files: * [http://http://feynrules.irmp.ucl.ac.be/wiki/FCNC4F/bsll_5FS_full.zip bsll_5FS_full.zip] : the full model. * [http://http://feynrules.irmp.ucl.ac.be/wiki/FCNC4F/bsll_5FS_non-diagonal.zip bsll_5FS_non-diagonal.zip] : only the non-diagonal terms. == Sample commands for MadGraph5_aMC@NLO: == Commands for MadGraph5_aMC@NLO: {{{ define p = g u c d s b u~ c~ d~ s~ b~ }}} == Reference: * Please cite as: Afik, Y., Cohen, J., Gozani, E. et al. J. High Energ. Phys. (2018) 2018: 56. * Link to paper: https://link.springer.com/article/10.1007/JHEP08(2018)056 == References: [1] Afik, Y., Cohen, J., Gozani, E. et al. J. High Energ. Phys. (2018) 2018: 56. * Link to paper: https://link.springer.com/article/10.1007/JHEP08(2018)056 [2] Greljo, A. & Marzocca, D. Eur. Phys. J. C (2017) 77: 548. * Link to paper: https://link.springer.com/article/10.1140/epjc/s10052-017-5119-8