Microscopic parametrization of the near threshold oscillations of the nucleon time-like effective electromagnetic form factors
We present an analysis of the recent near threshold BESIII data for the nucleon time-like effective form factors. The damped oscillation emerging from the subtraction of the dipole formula is treated in non-perturbative-QCD, making use of the light cone distribution amplitudes expansion. Non-perturb...
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| Veröffentlicht in: | Eur.Phys.J.A 2024-07, Vol.60 (7), Article 144 |
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| creator | Rosini, Francesco Pacetti, Simone Shekhovtsova, Olga Tomasi-Gustafsson, Egle |
| description | We present an analysis of the recent near threshold BESIII data for the nucleon time-like effective form factors. The damped oscillation emerging from the subtraction of the dipole formula is treated in non-perturbative-QCD, making use of the light cone distribution amplitudes expansion. Non-perturbative effects are accounted for by considering
Q
2
-dependent coefficients in such expansions, whose free parameters are determined by fitting to the proton and neutron data. Possible implications and future analysis have been discussed. |
| doi_str_mv | 10.1140/epja/s10050-024-01365-9 |
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Q
2
-dependent coefficients in such expansions, whose free parameters are determined by fitting to the proton and neutron data. Possible implications and future analysis have been discussed.</description><identifier>ISSN: 1434-601X</identifier><identifier>ISSN: 1434-6001</identifier><identifier>EISSN: 1434-601X</identifier><identifier>DOI: 10.1140/epja/s10050-024-01365-9</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Data analysis ; Dipoles ; Form factors ; Hadrons ; Heavy Ions ; High Energy Physics - Experiment ; High Energy Physics - Phenomenology ; Nuclear Fusion ; Nuclear Physics ; Nuclear Theory ; Nucleons ; Parameterization ; Particle and Nuclear Physics ; Physics ; Physics and Astronomy ; Regular Article - Theoretical Physics</subject><ispartof>Eur.Phys.J.A, 2024-07, Vol.60 (7), Article 144</ispartof><rights>The Author(s) 2024</rights><rights>The Author(s) 2024. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c314t-8662c6af6a9c5b7b3fb25bafa54f43ea186583e3af455b1212c05405c913a0303</cites><orcidid>0009-0009-0080-9997</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1140/epja/s10050-024-01365-9$$EPDF$$P50$$Gspringer$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1140/epja/s10050-024-01365-9$$EHTML$$P50$$Gspringer$$Hfree_for_read</linktohtml><link.rule.ids>314,776,780,881,27901,27902,41464,42533,51294</link.rule.ids><backlink>$$Uhttps://hal.science/hal-04523246$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Rosini, Francesco</creatorcontrib><creatorcontrib>Pacetti, Simone</creatorcontrib><creatorcontrib>Shekhovtsova, Olga</creatorcontrib><creatorcontrib>Tomasi-Gustafsson, Egle</creatorcontrib><title>Microscopic parametrization of the near threshold oscillations of the nucleon time-like effective electromagnetic form factors</title><title>Eur.Phys.J.A</title><addtitle>Eur. Phys. J. A</addtitle><description>We present an analysis of the recent near threshold BESIII data for the nucleon time-like effective form factors. The damped oscillation emerging from the subtraction of the dipole formula is treated in non-perturbative-QCD, making use of the light cone distribution amplitudes expansion. Non-perturbative effects are accounted for by considering
Q
2
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Q
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| subjects | Data analysis Dipoles Form factors Hadrons Heavy Ions High Energy Physics - Experiment High Energy Physics - Phenomenology Nuclear Fusion Nuclear Physics Nuclear Theory Nucleons Parameterization Particle and Nuclear Physics Physics Physics and Astronomy Regular Article - Theoretical Physics |
| title | Microscopic parametrization of the near threshold oscillations of the nucleon time-like effective electromagnetic form factors |
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