期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 8, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP08(2011)054
关键词
Jets; NLO Computations; QCD
资金
- Offices of Nuclear and High Energy Physics of the U.S. Department of Energy [DE-FG02-96ER40956, DE-FG02-94ER40818, DE-SC003916, DE-AC02-05CH11231]
- LHC Theory Initiative under the National Science Foundation [PHY-0705682]
- Alexander von Humboldt foundation
- Division Of Physics
- Direct For Mathematical & Physical Scien [705682] Funding Source: National Science Foundation
High energy scattering processes involving jets generically involve matrix elements of light-like Wilson lines, known as soft functions. These describe the structure of soft contributions to observables and encode color and kinematic correlations between jets. We compute the dijet soft function to O(alpha(2)(s)) as a function of the two jet invariant masses, focusing on terms that have a non-separable dependence on these masses and are not determined by the renormalization group evolution of the soft function. Our results include non-global single and double logarithms, and analytic results for the full set of non-logarithmic contributions as well. Using a recent result for the thrust constant, we present the complete O(alpha(2)(s)) soft function for dijet production in both position and momentum space.
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