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Cancellation of divergences in rare processes

✍ Scribed by V. I. Kuksa


Book ID
110135608
Publisher
SP MAIK Nauka/Interperiodica
Year
2003
Tongue
English
Weight
168 KB
Volume
66
Category
Article
ISSN
1063-7788

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Cancellation of Infrared Divergences at
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We consider a typical hard scattering process in a heat bath of photons and electrons at temperature, T, in finite temperature QED. We show that the infrared pieces of both the real and virtual parts of the cross section factorise; these can be exponentiated and cancel between each other to all orde