Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 6, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP06(2014)155
Keywords
QCD Phenomenology; Hadronic Colliders
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Funding
- Schweizer Nationalfonds [200020-141360/1]
- Research Executive Agency (REA) of the European Union [PITN-GA-2010-264564]
- National Natural Science Foundation of China [11345001]
- Bundesministerium fur Bildung und Forschung [05H12GU8]
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We describe the perturbative calculation of the transverse parton distribution functions in all partonic channels up to next-to-next-to-leading order based on a gauge invariant operator definition. We demonstrate the cancellation of light-cone divergences and show that universal process-independent transverse parton distribution functions can be obtained through a refactorization. Our results serve as the first explicit higher-order calculation of these functions starting from first principles, and can be used to perform next-to-next-to-next-to-leading logarithmic q(T) resummation for a large class of processes at hadron colliders.
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