The DOI matches its Crossref record; 17 of the 17 references it cites were found in a registry or an index.
Parton distributions with LHC data
Open accessAbstract
We present the first determination of parton distributions of the nucleon at NLO and NNLO based on a global data set which includes LHC data: NNPDF2.3. Our data set includes, besides the deep inelastic, Drell-Yan, gauge boson production and jet data already used in previous global PDF determinations, all the relevant LHC data for which experimental systematic uncertainties are currently available: ATLAS and LHCb W and Z rapidity distributions from the 2010 run, CMS W electron asymmetry data from the 2011 run, and ATLAS inclusive jet cross-sections from the 2010 run. We introduce an improved implementation of the FastKernel method which allows us to fit to this extended data set, and also to adopt a more effective minimization methodology. We present the NNPDF2.3 PDF sets, and compare them to the NNPDF2.1 sets to assess the impact of the LHC data. We find that all the LHC data are broadly consistent with each other and with all the older data sets included in the fit. We present predictions for various standard candle cross-sections, and compare them to those obtained previously using NNPDF2.1, and specifically discuss the impact of ATLAS electroweak data on the determination of the strangeness fraction of the proton. We also present collider PDF sets, constructed using only data from HERA, Tevatron and LHC, but find that this data set is neither precise nor complete enough for a competitive PDF determination.
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Cites
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The path to proton structure at 1% accuracy: NNPDF Collaboration
Ball, R. D., Carrazza, S., Cruz-Martinez, J., Del Debbio, L., Forte, S., Giani, T., Iranipour, S., Kassabov, Z., Latorre, J. I., Nocera, E. R., et al. (2022) · The European Physical Journal C · doi:10.1140/epjc/s10052-022-10328-7 · Cited by 448
Self-citationATLAS Collaboration, Aad, G., Abbott, B., Abbott, D. C., Abud, A. A., Abeling, K., Abhayasinghe, D. K., Abidi, S. H., AbouZeid, O. S., Abraham, N. L., et al. (2019) · The European Physical Journal C · doi:10.1140/epjc/s10052-019-7450-8 · Cited by 389
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Search for high-mass dilepton resonances inppcollisions ats=8 TeVwith the ATLAS detector
Aad, G., Abbott, B., Abdallah, J., Abdel Khalek, S., Abdinov, O., Aben, R., Abi, B., Abolins, M., AbouZeid, O. S., Abramowicz, H., et al. (2014) · Physical Review D · doi:10.1103/physrevd.90.052005 · Cited by 356
Metadata
- Authors
- Ball, R. D., Bertone, V., Carrazza, S., Deans, C. S., Del Debbio, L., Forte, S., Guffanti, A., Hartland, N. P., Latorre, J. I., Rojo, J., & Ubiali, M.
- Venue
- Nuclear Physics B
- Publisher
- Elsevier BV
- Published
- 2013-02
- Volume
- 867
- Issue
- 2
- Pages
- 244-289
- ISSN
- 0550-3213 (ISSN-L)
- OpenAlex
- W2138291582
- Cited by
- 2,021
- References
- 17
- FWCI
- 43.77
- Type
- journal article
- Language
- en
- Open access
- green
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- Ball, R. D., Bertone, V., Carrazza, S., Deans, C. S., Del Debbio, L., Forte, S., Guffanti, A., Hartland, N. P., Latorre, J. I., Rojo, J., & Ubiali, M. (2013). Parton distributions with LHC data. Nuclear Physics B. https://doi.org/10.1016/j.nuclphysb.2012.10.003
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