Please use this identifier to cite or link to this item:
https://hdl.handle.net/2440/100080
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dc.contributor.author | Wang, X. | - |
dc.contributor.author | Thomas, A. | - |
dc.contributor.author | Young, R. | - |
dc.date.issued | 2016 | - |
dc.identifier.citation | Physics Letters B: Nuclear Physics and Particle Physics, 2016; 753:595-599 | - |
dc.identifier.issn | 0370-2693 | - |
dc.identifier.issn | 1873-2445 | - |
dc.identifier.uri | http://hdl.handle.net/2440/100080 | - |
dc.description.abstract | We report a calculation of the combined effect of photon radiation and quark mass differences on charge symmetry violation (CSV) in the parton distribution functions of the nucleon. Following a recent suggestion of Martin and Ryskin, the initial photon distribution is calculated in terms of coherent radiation from the proton as a whole, while the effect of the quark mass difference is based on a recent lattice QCD simulation. The distributions are then evolved to a scale at which they can be compared with experiment by including both QCD and QED radiation. Overall, at a scale of 5 GeV², the total CSV effect on the phenomenologically important difference between the d and u-quark distributions is some 20% larger than the value based on quark mass differences alone. In total these sources of CSV account for approximately 40% of the NuTeV anomaly. | - |
dc.description.statementofresponsibility | X.G. Wang, A.W. Thomas, R.D. Young | - |
dc.language.iso | en | - |
dc.publisher | Elsevier | - |
dc.rights | © 2015 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). Funded by SCOAP3 | - |
dc.source.uri | http://dx.doi.org/10.1016/j.physletb.2015.12.062 | - |
dc.subject | Charge symmetry; parton distributions; electromagnetic correction | - |
dc.title | Electromagnetic contribution to charge symmetry violation in parton distributions | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.1016/j.physletb.2015.12.062 | - |
dc.relation.grant | http://purl.org/au-research/grants/arc/FL0992247 | - |
dc.relation.grant | http://purl.org/au-research/grants/arc/DP150103101 | - |
dc.relation.grant | http://purl.org/au-research/grants/arc/DP110101265 | - |
dc.relation.grant | http://purl.org/au-research/grants/arc/FT120100821 | - |
pubs.publication-status | Published | - |
dc.identifier.orcid | Wang, X. [0000-0001-9164-0027] | - |
dc.identifier.orcid | Thomas, A. [0000-0003-0026-499X] | - |
dc.identifier.orcid | Young, R. [0000-0002-4527-1811] | - |
Appears in Collections: | Aurora harvest 7 Physics publications |
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File | Description | Size | Format | |
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hdl_100080.pdf | Published version | 486.97 kB | Adobe PDF | View/Open |
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