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Title: nCTEQ15 - Global analysis of nuclear parton distributions with uncertainties in the CTEQ framework

Journal Article · · Physical Review D
 [1];  [2];  [3];  [4];  [5];  [4];  [6];  [4];  [7];  [2];  [4]
  1. Westfalische Wilhelms-Univ. Munster, Munster (Germany)
  2. Univ. Grenoble-Alpes, CNRS/IN2P3, Grenoble (France)
  3. Univ. di Milano-Bicocca and INFN, Milano (Italy)
  4. Southern Methodist Univ., Dallas, TX (United States)
  5. Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
  6. Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
  7. Florida State Univ., Tallahassee, FL (United States)

We present the new nCTEQ15 set of nuclear parton distribution functions with uncertainties. This fit extends the CTEQ proton PDFs to include the nuclear dependence using data on nuclei all the way up to 208Pb. The uncertainties are determined using the Hessian method with an optimal rescaling of the eigenvectors to accurately represent the uncertainties for the chosen tolerance criteria. In addition to the Deep Inelastic Scattering (DIS) and Drell-Yan (DY) processes, we also include inclusive pion production data from RHIC to help constrain the nuclear gluon PDF. Here, we investigate the correlation of the data sets with specific nPDF flavor components, and asses the impact of individual experiments. We also provide comparisons of the nCTEQ15 set with recent fits from other groups.

Research Organization:
Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States); Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP)
Grant/Contract Number:
AC02-07CH11359; FG02-13ER41942
OSTI ID:
1253003
Alternate ID(s):
OSTI ID: 1249797
Report Number(s):
LPSC-15-153; MS-TP-15-11; FERMILAB-PUB-15-375-ND-PPD-T; arXiv:1509.00792; 1391522
Journal Information:
Physical Review D, Vol. 93, Issue 8; ISSN 2470-0010
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 282 works
Citation information provided by
Web of Science

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Global analysis of nuclear parton distribution functions and their uncertainties at next-to-next-to-leading order text January 2016
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Pion nucleus Drell–Yan process and parton transverse momentum in the pion journal August 2018
Hadronic production of the doubly charmed baryon via the proton–nucleus and the nucleus–nucleus collisions at the RHIC and LHC journal October 2018
Nuclear parton distributions from lepton-nucleus scattering and the impact of an electron-ion collider: NNPDF Collaboration journal June 2019
Ad Lucem: QED parton distribution functions in the MMHT framework journal October 2019
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Secondary Drell–Yan dileptons in heavy-ion reactions journal June 2019
Nucleon and nuclear structure functions with nonperturbative and higher order perturbative QCD effects journal May 2019
EPPS16: nuclear parton distributions with LHC data journal March 2017
Z boson production in proton-lead collisions at the LHC accounting for transverse momenta of initial partons text January 2019
EMC effect in the next-to-leading order approximation based on the Laplace transformation journal October 2018
Measurement of $W^\pm $ boson production in Pb+Pb collisions at $\sqrt{s_{\mathrm{NN}}} = 5.02~\text {Te}\text {V}$ with the ATLAS detector text January 2019
Neutral pion and $\eta$ meson production in p-Pb collisions at $\sqrt{s_\mathrm{NN}} = 5.02$ TeV text January 2018
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Prompt photon production and photon-jet correlations at the LHCi text January 2018
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