- #1
DMESONS
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Can someone help me to expand the following gamma functions around the pole ε, at fisrt order in ε
[itex]\Gamma[(1/2) \pm (ε/2)][/itex]
where ε= d-4
[itex]\Gamma[(1/2) \pm (ε/2)][/itex]
where ε= d-4