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Transverse momentum dependent operator expansion at next-to-leading power

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arxiv 2109.09771 v2 pith:R2X32GJ4 submitted 2021-09-20 hep-ph hep-th

Alexey Vladimirov , Valentin Moos , Ignazio Scimemi This is my paper
classification hep-phhep-th
keywords next-to-leadingoperatorpowerdependentexpansionfactorizationmomentumprocess
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

We develop a method of transverse momentum dependent (TMD) operator expansion that yields the TMD factorization theorem on the operator level. The TMD operators are systematically ordered with respect to TMD-twist, which allows a certain separation of kinematic and genuine power corrections. The process dependence enters via the boundary conditions for the background fields. As a proof of principle, we derive the TMD factorization up to the next-to-leading power $(\sim q_T/Q)$ at the next-to-leading order for any process with two detected states.

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Cited by 6 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

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