6 papers · 1 filter
DIS Dijet Production: An operator basis bridging eikonal and TMD regimes
Tiyasa Kar, Swagato Mukherjee, Vladimir Skokov +2
We propose an operator basis for the unpolarized deep-inelastic scattering (DIS) quark-antiquark dijet production process smoothly connecting the all-twist eikonal regime to the ba…
Back-to-back dijet production in DIS at arbitrary Bjorken-x: TMD quark distributions to twist-3 accuracy
Swagato Mukherjee, Vladimir. V. Skokov, Andrey Tarasov +2
We study the contributions of target quark background to quark-gluon and quark-antiquark dijet productions cross sections in deep inelastic scattering (DIS) at arbitrary Bjorken-$x…
Back-to-back dijet production in DIS at arbitrary Bjorken-x: TMD gluon distributions to twist-3 accuracy
Swagato Mukherjee, Vladimir V. Skokov, Andrey Tarasov +2
We derive the gluon transverse-momentum-dependent (TMD) operator structure of back-to-back quark-antiquark dijet production in deep inelastic scattering at arbitrary Bjorken-x to t…
Regularization Prescription for the Mixing Between Nonlocal Gluon and Quark Operators
Yao Ji, Zhuoyi Pang, Fei Yao +1
It is well-known that in the study of mixing between nonlocal gluon and quark bilinear operators there exists an ambiguity when relating coordinate space and momentum space results…
Extracting Meson Distribution Amplitudes from Nonlocal Euclidean Correlations at Next-to-Next-to-Leading Order
Yao Ji, Fei Yao, Jian-Hui Zhang
We present the first complete result for the next-to-next-to-leading order (NNLO) hard matching kernel indispensable for a precision extraction of light meson distribution amplitud…
Total Gluon Helicity from Lattice without Effective Theory Matching
Zhuoyi Pang, Fei Yao, Jian-Hui Zhang
We propose two approaches for extracting the total gluon helicity contribution to proton spin from lattice QCD, one from local operator matrix elements in a fixed gauge accessible…