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# Dictionaries for expression of MG5 SM parameters into Pythia 8
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slha_to_expr = {('SMINPUTS', (1,)): '1./csm->alphaEM(pow(pd->m0(23),2))',
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('SMINPUTS', (2,)): 'M_PI*csm->alphaEM(pow(pd->m0(23),2))*pow(pd->m0(23),2)/(sqrt(2.)*pow(pd->m0(24),2)*(pow(pd->m0(23),2)-pow(pd->m0(24),2)))',
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slha_to_expr = {('SMINPUTS', (1,)): '1./csm->alphaEM(((pd->m0(23))*(pd->m0(23))))',
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('SMINPUTS', (2,)): 'M_PI*csm->alphaEM(((pd->m0(23))*(pd->m0(23))))*((pd->m0(23))*(pd->m0(23)))/(sqrt(2.)*((pd->m0(24))*(pd->m0(24)))*(((pd->m0(23))*(pd->m0(23)))-((pd->m0(24))*(pd->m0(24)))))',
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('SMINPUTS', (3,)): 'alpS',
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('CKMBLOCK', (1,)): 'csm->VCKMgen(1,2)',