TY - JOUR

T1 - Phenomenological constraints on AN in p↑p → π X from Lorentz invariance relations

AU - Gamberg, Leonard

AU - Kang, Zhong Bo

AU - Pitonyak, Daniel

AU - Prokudin, Alexei

N1 - Funding Information:
This material is based upon work supported by the U.S. Department of Energy, Office of Science, Office of Nuclear Physics under Award No. DE-FG02-07ER41460 (L.G.), No. DE-AC05-06OR23177 (A.P.), and within the framework of the TMD Topical Collaboration (L.G., D.P., A.P.).
Publisher Copyright:
© 2017 The Authors

PY - 2017/7/10

Y1 - 2017/7/10

N2 - We present a new analysis of AN in p↑p→πX within the collinear twist-3 factorization formalism. We incorporate recently derived Lorentz invariance relations into our calculation and focus on input from the kinematical twist-3 functions, which are weighted integrals of transverse momentum dependent (TMD) functions. In particular, we use the latest extractions of the Sivers and Collins functions with TMD evolution to compute certain terms in AN. Consequently, we are able to constrain the remaining contributions from the lesser known dynamical twist-3 correlators.

AB - We present a new analysis of AN in p↑p→πX within the collinear twist-3 factorization formalism. We incorporate recently derived Lorentz invariance relations into our calculation and focus on input from the kinematical twist-3 functions, which are weighted integrals of transverse momentum dependent (TMD) functions. In particular, we use the latest extractions of the Sivers and Collins functions with TMD evolution to compute certain terms in AN. Consequently, we are able to constrain the remaining contributions from the lesser known dynamical twist-3 correlators.

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U2 - 10.1016/j.physletb.2017.04.061

DO - 10.1016/j.physletb.2017.04.061

M3 - Article

AN - SCOPUS:85019219242

SN - 0370-2693

VL - 770

SP - 242

EP - 251

JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

ER -