期刊
NUCLEAR PHYSICS B
卷 616, 期 1-2, 页码 286-306出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0550-3213(01)00454-0
关键词
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We sum up the next-to-next-to-leading logarithmic virtual electroweak corrections to the high energy asymptotics of the neutral current four-fermion processes for light fermions to all orders in the coupling constants using the evolution equation approach, From this all order result we derive finite order expressions through next-to-next-to leading order for the total cross section and various asymmetries. We observe an amazing cancellation between the sizable leading, next-to-leading and next-to-next-to-leading logarithmic contributions at TeV energies. (C) 2001 Elsevier Science B.V. All rights reserved.
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