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About the gluon feild and propagator

by ccnu
Tags: feild, gluon, propagator
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ccnu
#1
Aug9-14, 03:50 AM
P: 8
I am confused about the very step from Eq.(14) to Eq.(15) in the paper
http://arxiv.org/pdf/hep-ph/0308157.pdf
There is one ##ig## in (14), while ##(ig)^2## in (15), where does it come from?
Regards!
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Greg Bernhardt
#2
Aug13-14, 10:17 PM
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I'm sorry you are not finding help at the moment. Is there any additional information you can share with us?


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