scholarly journals Intrinsic charm parton distribution functions from CTEQ-TEA global analysis

2014 ◽  
Vol 89 (7) ◽  
Author(s):  
Sayipjamal Dulat ◽  
Tie-Jiun Hou ◽  
Jun Gao ◽  
Joey Huston ◽  
Jon Pumplin ◽  
...  
Keyword(s):  
Parton Distribution ◽  
Global Analysis ◽  
Distribution Functions ◽  
Parton Distribution Functions ◽  
Intrinsic Charm

scholarly journals CT14 intrinsic charm parton distribution functions from CTEQ-TEA global analysis

2018 ◽  
Vol 2018 (2) ◽  
Author(s):  
Tie-Jiun Hou ◽  
Sayipjamal Dulat ◽  
Jun Gao ◽  
Marco Guzzi ◽  
Joey Huston ◽  
...  
Keyword(s):  
Parton Distribution ◽  
Global Analysis ◽  
Distribution Functions ◽  
Parton Distribution Functions ◽  
Intrinsic Charm

scholarly journals Polarized parton distribution functions: parametrization and transverse momentum dependence

2021 ◽  
Vol 81 (1) ◽  
Author(s):  
H. Nematollahi ◽  
P. Abolhadi ◽  
S. Atashbar ◽  
A. Mirjalili ◽  
M. M. Yazdanpanah
Keyword(s):  
Data Analysis ◽  
Transverse Momentum ◽  
Parton Distribution ◽  
Jacobi Polynomials ◽  
Global Analysis ◽  
Distribution Functions ◽  
Momentum Dependence ◽  
Parton Distribution Functions ◽  
Transverse Momentum Dependent ◽  
Transverse Momentum Dependence

AbstractWe extract the polarized parton distribution functions (PPDFs) of proton. To this end we do a global analysis on recent and up-to-dated experimental data of polarized nucleon and deuteron structure functions at the NLO accuracy of perturbative QCD. We use the Jacobi polynomials expansion technique to do the required analyses. To achieve a more realistic estimation of the PPDFs and observable uncertainties we employ the Hessian error propagation. Following that we apply a theoretical approach which is based on imposing Lorentz structure in the parton model to investigate the transverse momentum dependence of these PPDFs. In this approach, the transverse momentum dependent (TMD) polarized parton distributions, which are also called the helicity distributions, are related to the integrated ones. This relation is indicating the priority and importance of data analysis for PPDFs. The results show a convenient general treatment expected for TMD densities which are in fact resulted from data analysis and fitting processes of integrated PPDFs in an adequate and a proper way.

scholarly journals Production of massless charm jets in pp collisions at next-to-leading order of QCD

2015 ◽  
Vol 30 (18n19) ◽  
pp. 1550111 ◽  
Author(s):  
Isabella Bierenbaum ◽  
Gustav Kramer
Keyword(s):  
Transverse Momentum ◽  
Parton Distribution ◽  
Distribution Functions ◽  
Inclusive Production ◽  
Leading Order ◽  
Parton Distribution Functions ◽  
Proton Proton ◽  
Proton Collisions ◽  
Intrinsic Charm ◽  
Proton Proton Collisions

We present predictions for the inclusive production of charm jets in proton–proton collisions at 7 TeV. Several CTEQ parton distribution functions (PDFs) of the CTEQ6.6M type are employed, where two of the CTEQ6.6 PDFs have intrinsic charm. At large enough jet transverse momentum and large jet rapidity, the intrinsic charm content can be tested.

scholarly journals Uncertainty of parton distribution functions due to physical observables in a global analysis

2017 ◽  
Vol 41 (2) ◽  
pp. 023101 ◽  
Author(s):  
Alireza Aleedaneshvar ◽  
Muhammad Goharipour ◽  
Saeedeh Rostami
Keyword(s):  
Parton Distribution ◽  
Global Analysis ◽  
Distribution Functions ◽  
Parton Distribution Functions
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