Changes between Version 7 and Version 8 of 368sextets
- Timestamp:
- Oct 25, 2021, 5:18:02 PM (3 years ago)
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368sextets
v7 v8 64 64 \end{multline*} 65 65 }}} 66 The exotic fields can couple either to up-type quarks (//q// = //u//) or to down-type quarks (//q// = //d//). 66 The exotic fields can couple either to up-type quarks (//q// = //u//) or to down-type quarks (//q// = //d//).[[BR]]The sextet weak hypercharge differs in each case in order to preserve SM U(1) invariance.[[BR]]We allow for different couplings and effective cutoffs for each operator (and for each fermion-quark combination, with //I// being a quark flavor index).[[BR]]The third line contains an interesting operator coupling sextets to a quark, a gluon, and a photon or //Z// boson. 67 67 68 68 The couplings in these operators are implemented as follows in the model file: … … 95 95 \end{multline*} 96 96 }}} 97 In this case, simultaneous Lorentz and gauge invariance requires a SM lepton (in the absence of other exotic fields).\\97 We again have scalars coupling to both up- and down-type quarks.[[BR]]In this case, simultaneous Lorentz and gauge invariance requires a SM lepton (in the absence of other exotic fields).\\ 98 98 For full generality, these couplings are therefore in both quark and lepton generation space. 99 99