FDCHQHP:A Fortran Package for Heavy Quarkonium HadroProduction
Lu-Ping Wan, Jian-Xiong Wang

TL;DR
FDCHQHP is a Fortran software package that provides NLO calculations of heavy quarkonium production and polarization, aiding theoretical predictions for LHC experiments.
Contribution
It introduces a comprehensive Fortran package including all relevant NRQCD states for accurate heavy quarkonium production predictions at NLO.
Findings
Enables calculation of transverse momentum distributions.
Supports polarization parameter computations in various frames.
Useful for LHC heavy quarkonium studies.
Abstract
FDCHQHP is a Fortran package to calculate the transverse momentum (p_t) distribution of yield and polarization for heavy quarkonium hadroproduction at next-to-leading-order (NLO) based on non-relativistic QCD(NRQCD) framework. It contains the complete color-singlet and color-octet intermediate states in present theoretical level, and is available to calculate different polarization parameters in different frames. As the LHC running now and in the future, it supplies a very useful tool to obtain theoretical prediction on the heavy quarkonium hadroproduction.
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