nCTEQ15 - Global analysis of nuclear parton distributions with uncertainties

Conference · Fri Sep 04 04:00:00 EDT 2015

OSTI ID:1250476

Kusina, A. ^[1]; Kovarik, K. ^[2]; Jezo, T. ^[3]; Clark, D. B. ^[4]; Keppel, C. ^[5]; Lyonnet, F. ^[4]; Morfin, J. G. ^[6]; Olness, F. I. ^[4]; Owens, J. F. ^[7]; Schienbein, I. ^[1]; Yu, J. Y. ^[4]

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1. LPSC, Grenoble (France)
2. Munster Univ., ITP (Germany)
3. INFN, Milan Bicocca (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 first official release of the nCTEQ nuclear parton distribution functions with errors. The main addition to the previous nCTEQ PDFs is the introduction of PDF uncertainties based on the Hessian method. Another important addition is the inclusion of pion production data from RHIC that give us a handle on constraining the gluon PDF. This contribution summarizes our results from arXiv:1509.00792, and concentrates on the comparison with other groups providing nuclear parton distributions.

• 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) (SC-25)
• DOE Contract Number: AC02-07CH11359
• OSTI ID: 1250476
• Report Number(s): LPSC--15-181; FERMILAB-CONF--15-558-ND-PPD; arXiv:1509.01801; 1392035
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
COMPARATIVE EVALUATIONS
DATA COVARIANCES
DISTRIBUTION FUNCTIONS
ERRORS
GLOBAL ANALYSIS
GLUONS
PARTICLE PRODUCTION
PIONS