Description and interpretation of DVCS measurements (CROSBI ID 633580)
Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Kumerički, Krešimir ; Müller, Dieter
engleski
Description and interpretation of DVCS measurements
Having in mind the well-known limitations of certain models of generalized parton distributions (GPDs), we show that the allegedly universal GPDs, describing both deeply virtual Compton scattering (DVCS) and deeply virtual meson production (DVMP) data, fail to describe measurements of deep inelastic scattering. We present a new global DVCS fit that describes reasonably the world data set, which includes now also new measurements from Hall A and CLAS collaborations. We also explicitly illustrate that Compton form factors (CFFs) cannot be unambiguously extracted from photon electroproduction measurements off unpolarized proton alone and we argue that it is more reliable to interpret such measurements in terms of certain CFF combinations, where still some care is needed in order to estimate the propagated error.
Generalized parton distributions; deeply virtual Compton scattering
EPJ Web of Conferences, volumen 112 (2016). Indexed in Conference Proceedings Citation Index (Web of Science), Scopus, inSPIRE, itd.
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Podaci o prilogu
01012-1-01012-15.
2016.
objavljeno
Podaci o matičnoj publikaciji
Proceedings of 6th International Conference on Physics Opportunities at an Electron-Ion Collider
Marquet, C. ; Pire, B. ; Sabatie, F.
EDP Sciences
2100-014X
Podaci o skupu
Nepoznat skup
ostalo
29.02.1904-29.02.2096