New limits on intrinsic charm in the nucleon from global analysis of parton distributions
Abstract
We present a new global QCD analysis of parton distribution functions, allowing for possible intrinsic charm (IC) contributions in the nucleon inspired by light-front models. The analysis makes use of the full range of available high-energy scattering data for Q2 ≥ 1 GeV2 and W2 ≥ 3.5 GeV2, including fixed-target proton and deuteron deep cross sections at lower energies that were excluded in previously global analyses. The expanded data set places more stringent constraints on the momentum carried by IC, with (x)IC at most 0.5% (corresponding to an IC normalization of ~1%) at the 4σ level for ΔX2 = 1. We also assess the impact of older EMC measurements of Fc2c at large x, which favor a nonzero IC, but with very large X2 values.
- Authors:
-
- Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
- Indiana Univ., Bloomington, IN (United States); Univ. of Washington, Seattle, WA (United States)
- Indiana Univ., Bloomington, IN (United States)
- Publication Date:
- Research Org.:
- Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Nuclear Physics (NP)
- OSTI Identifier:
- 1171478
- Alternate Identifier(s):
- OSTI ID: 1180568
- Report Number(s):
- JLAB-THY-14-1931; DOE/OR/23177-3145; arXiv:1408.1708
Journal ID: ISSN 0031-9007; PRLTAO; ArticleNumber: 082002; TRN: US1600760
- Grant/Contract Number:
- PHY-1205019; FG02-87ER40365; FG02-97ER41014; AC05-06OR23177; FG02-97ER-41014
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review Letters
- Additional Journal Information:
- Journal Volume: 114; Journal Issue: 8; Journal ID: ISSN 0031-9007
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
Citation Formats
Jimenez-Delgado, P., Hobbs, T. J., Londergan, J. T., and Melnitchouk, W. New limits on intrinsic charm in the nucleon from global analysis of parton distributions. United States: N. p., 2015.
Web. doi:10.1103/PhysRevLett.114.082002.
Jimenez-Delgado, P., Hobbs, T. J., Londergan, J. T., & Melnitchouk, W. New limits on intrinsic charm in the nucleon from global analysis of parton distributions. United States. https://doi.org/10.1103/PhysRevLett.114.082002
Jimenez-Delgado, P., Hobbs, T. J., Londergan, J. T., and Melnitchouk, W. Fri .
"New limits on intrinsic charm in the nucleon from global analysis of parton distributions". United States. https://doi.org/10.1103/PhysRevLett.114.082002. https://www.osti.gov/servlets/purl/1171478.
@article{osti_1171478,
title = {New limits on intrinsic charm in the nucleon from global analysis of parton distributions},
author = {Jimenez-Delgado, P. and Hobbs, T. J. and Londergan, J. T. and Melnitchouk, W.},
abstractNote = {We present a new global QCD analysis of parton distribution functions, allowing for possible intrinsic charm (IC) contributions in the nucleon inspired by light-front models. The analysis makes use of the full range of available high-energy scattering data for Q2 ≥ 1 GeV2 and W2 ≥ 3.5 GeV2, including fixed-target proton and deuteron deep cross sections at lower energies that were excluded in previously global analyses. The expanded data set places more stringent constraints on the momentum carried by IC, with (x)IC at most 0.5% (corresponding to an IC normalization of ~1%) at the 4σ level for ΔX2 = 1. We also assess the impact of older EMC measurements of Fc2c at large x, which favor a nonzero IC, but with very large X2 values.},
doi = {10.1103/PhysRevLett.114.082002},
journal = {Physical Review Letters},
number = 8,
volume = 114,
place = {United States},
year = {Fri Feb 27 00:00:00 EST 2015},
month = {Fri Feb 27 00:00:00 EST 2015}
}
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Works referenced in this record:
Flavor asymmetry of antiquark distributions in the nucleon
journal, September 1998
- Kumano, S.
- Physics Reports, Vol. 303, Issue 4
Flavor asymmetry of light quarks in the nucleon sea
journal, January 2001
- Garvey, G. T.; Peng, J. -C.
- Progress in Particle and Nuclear Physics, Vol. 47, Issue 1
Flavor Asymmetry of the Nucleon Sea and the Five-Quark Components of the Nucleons
journal, June 2011
- Chang, Wen-Chen; Peng, Jen-Chieh
- Physical Review Letters, Vol. 106, Issue 25
Novel phenomenology of parton distributions from the Drell–Yan process
journal, May 2014
- Peng, Jen-Chieh; Qiu, Jian-Wei
- Progress in Particle and Nuclear Physics, Vol. 76
Gottfried sum from the ratio /
journal, May 1991
- Amaudruz, P.; Arneodo, M.; Arvidson, A.
- Physical Review Letters, Vol. 66, Issue 21
Measurement of the Light Antiquark Flavor Asymmetry in the Nucleon Sea
journal, April 1998
- Hawker, E. A.; Awes, T. C.; Beddo, M. E.
- Physical Review Letters, Vol. 80, Issue 17
Measurement of the Nucleon Strange-Antistrange Asymmetry at Next-to-Leading Order in QCD from NuTeV Dimuon Data
journal, November 2007
- Mason, D.; Brau, J.; Drucker, R. B.
- Physical Review Letters, Vol. 99, Issue 19
The intrinsic charm of the proton
journal, June 1980
- Brodsky, S. J.; Hoyer, P.; Peterson, C.
- Physics Letters B, Vol. 93, Issue 4
Production of charmed particles in 250 GeV μ+-iron interactions
journal, March 1983
- Aubert, J. J.; Bassompierre, G.; Becks, K. H.
- Nuclear Physics B, Vol. 213, Issue 1
A study of dimuon events in 280 GeV muon interactions
journal, July 1980
- Aubert, J. J.; Bassompierre, G.; Becks, K. H.
- Physics Letters B, Vol. 94, Issue 1
An experimental limit on the intrinsic charm component of the nucleon
journal, March 1982
- Aubert, J. J.; Bassompierre, G.; Becks, K. H.
- Physics Letters B, Vol. 110, Issue 1
Combination and QCD analysis of charm production cross section measurements in deep-inelastic ep scattering at HERA
journal, February 2013
- Abramowicz, H.; Abt, I.; Adamczyk, L.
- The European Physical Journal C, Vol. 73, Issue 2
Sub-leading contributions to the intrinsic charm of the nucleon
journal, March 1983
- Hoffmann, Erhard; Moore, Richard
- Zeitschrift für Physik C Particles and Fields, Vol. 20, Issue 1
Reanalysis of the EMC charm production data with extrinsic and intrinsic charm at NLO
journal, February 1996
- Harris, B. W.; Smith, J.; Vogt, R.
- Nuclear Physics B, Vol. 461, Issue 1-2
Charm in the nucleon
journal, December 1999
- Steffens, F. M.; Melnitchouk, W.; Thomas, A. W.
- The European Physical Journal C, Vol. 11, Issue 4
HERA anomaly and hard charm in the nucleon
journal, November 1997
- Melnitchouk, W.; Thomas, A. W.
- Physics Letters B, Vol. 414, Issue 1-2
How hard are the form factors in hadronic vertices with heavy mesons?
journal, January 2001
- Durães, F. O.; Navarra, F. S.; Nielsen, M.
- Physics Letters B, Vol. 498, Issue 3-4
Light-cone models for intrinsic charm and bottom
journal, June 2006
- Pumplin, Jon
- Physical Review D, Vol. 73, Issue 11
Heavy quark mass effects in deep inelastic scattering and global QCD analysis
journal, February 2007
- Tung, W. K.; Lai, H. L.; Belyaev, A.
- Journal of High Energy Physics, Vol. 2007, Issue 02
CT10 next-to-next-to-leading order global analysis of QCD
journal, February 2014
- Gao, Jun; Guzzi, Marco; Huston, Joey
- Physical Review D, Vol. 89, Issue 3
Delineating parton distributions and the strong coupling
journal, April 2014
- Jimenez-Delgado, P.; Reya, E.
- Physical Review D, Vol. 89, Issue 7
Uncertainties in determining parton distributions at large
journal, July 2011
- Accardi, A.; Melnitchouk, W.; Owens, J. F.
- Physical Review D, Vol. 84, Issue 1
Global parton distributions with nuclear and finite- corrections
journal, May 2013
- Owens, J. F.; Accardi, A.; Melnitchouk, W.
- Physical Review D, Vol. 87, Issue 9
Parton distributions in the presence of target mass corrections
journal, December 2012
- Steffens, F. M.; Brown, M. D.; Melnitchouk, W.
- Physical Review C, Vol. 86, Issue 6
Nuclear parton distributions at next to leading order
journal, April 2004
- de Florian, D.; Sassot, R.
- Physical Review D, Vol. 69, Issue 7
Dynamical parton distributions of the nucleon
journal, January 2009
- Jimenez-Delgado, P.
- Nuclear Physics B - Proceedings Supplements, Vol. 186
Parton distributions for the LHC
journal, July 2009
- Martin, A. D.; Stirling, W. J.; Thorne, R. S.
- The European Physical Journal C, Vol. 63, Issue 2
Impact of hadronic and nuclear corrections on global analysis of spin-dependent parton distributions
journal, February 2014
- Jimenez-Delgado, P.; Accardi, A.; Melnitchouk, W.
- Physical Review D, Vol. 89, Issue 3
Works referencing / citing this record:
CT14 intrinsic charm parton distribution functions from CTEQ-TEA global analysis
journal, February 2018
- Hou, Tie-Jiun; Dulat, Sayipjamal; Gao, Jun
- Journal of High Energy Physics, Vol. 2018, Issue 2
Prompt neutrinos and intrinsic charm at SHiP
journal, February 2019
- Bai, Weidong; Reno, Mary Hall
- Journal of High Energy Physics, Vol. 2019, Issue 2
The sea of quarks and antiquarks in the nucleon
journal, March 2019
- Geesaman, D. F.; Reimer, P. E.
- Reports on Progress in Physics, Vol. 82, Issue 4
Impacts of the intrinsic charm content of the proton on the hadroproduction at a fixed target experiment at the LHC
journal, September 2019
- Chen, Gu; Wu, Xing-Gang; Xu, Shuai
- Physical Review D, Vol. 100, Issue 5
Parton distribution functions and constraints on the intrinsic charm content of the proton using the Brodsky-Hoyer-Peterson-Saka approach
journal, June 2019
- Abdolmaleki, H.; Khorramian, A.
- Physical Review D, Vol. 99, Issue 11
A critical appraisal and evaluation of modern PDFs
journal, August 2016
- Accardi, A.; Alekhin, S.; Blümlein, J.
- The European Physical Journal C, Vol. 76, Issue 8
Parton distributions from high-precision collider data: NNPDF Collaboration
journal, October 2017
- Ball, Richard D.; Bertone, Valerio; Carrazza, Stefano
- The European Physical Journal C, Vol. 77, Issue 10
Trace of nonperturbative charm content of the nucleon on Z + c-jet production
journal, June 2017
- Rostami, S.; Khorramian, A.
- International Journal of Modern Physics A, Vol. 32, Issue 16
Pre-Town Meeting on spin physics at an Electron-Ion Collider
text, January 2017
- Aschenauer, Elke-Caroline; Balitsky, Ian; Bland, Leslie
- Deutsches Elektronen-Synchrotron, DESY, Hamburg
Pre-Town Meeting on spin physics at an Electron-Ion Collider
journal, April 2017
- Aschenauer, Elke-Caroline; Balitsky, Ian; Bland, Leslie
- The European Physical Journal A, Vol. 53, Issue 4
Parton distributions from high-precision collider data
text, January 2017
- Collaboration, Tnnpdf; Ball, Rd; Bertone, V.
- Apollo - University of Cambridge Repository
Parton distributions from high-precision collider data: NNPDF Collaboration
text, January 2017
- Ball, Rd; Bertone, V.; Carrazza, S.
- Apollo - University of Cambridge Repository
Constraints on large-$x$ parton distributions from new weak boson production and deep-inelastic scattering data
text, January 2016
- Accardi, A.; Brady, L. T.; Melnitchouk, W.
- arXiv
A Critical Appraisal and Evaluation of Modern PDFs
text, January 2016
- Accardi, A.; Alekhin, S.; Blümlein, J.
- arXiv