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New CTEQ global analysis of quantum chromodynamics with high-precision data from the LHC
Physical review. D/Physical review. D. · 2021 · Vol. 103(1)
Tie-Jiun Hou✉(Northeastern University)Jun Gao(Shanghai Jiao Tong University)T. J. Hobbs(Southern Methodist University)Keping Xie(University of Pittsburgh)Sayipjamal Dulat(Xinjiang University)Marco Guzzi(Kennesaw State University)J. Huston(Michigan State University)Pavel Nadolsky(Southern Methodist University)Jon Pumplin(Michigan State University)Carl R. Schmidt(Michigan State University)Ibrahim Sitiwaldi(Xinjiang University)Daniel R. Stump(Michigan State University)C.–P. Yuan(Michigan State University)
Abstract
This work details the release of the CTEQ-TEA collaboration's updated set of parton distribution functions, CT18. These PDFs are a crucial input to almost all theory and experimental calculations carried out at the LHC and potentially other hadron colliders. The new set supersedes the CT14 analysis, incorporating additional data from the HERA and LHC experiments and providing alternative fits to explore the effect of different input assumptions.
Particle physics theoretical and experimental studiesHigh-Energy Particle Collisions ResearchQuantum Chromodynamics and Particle InteractionsPhysicsParticle physicsPartonLarge Hadron ColliderGluonHERAQuantum chromodynamicsHessian matrixRapidityQuark
Funding
- National Science Foundation
- U.S. Department of Energy
- National Natural Science Foundation of China
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659
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