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Feasibility studies of time-like proton electromagnetic form factors at PANDA at FAIR
Stockholm University, Faculty of Science, Department of Physics.
Stockholm University, Faculty of Science, Department of Physics.
Stockholm University, Faculty of Science, Department of Physics.
Stockholm University, Faculty of Science, Department of Physics.
Number of Authors: 506
2016 (English)In: European Physical Journal A, ISSN 1434-6001, E-ISSN 1434-601X, Vol. 52, no 10, 325Article in journal (Refereed) Published
Abstract [en]

Simulation results for future measurements of electromagnetic proton form factors at PANDA (FAIR) within the PandaRoot software framework are reported. The statistical precision with which the proton form factors can be determined is estimated. The signal channel (p) over barp -> e(+)e(-) is studied on the basis of two different but consistent procedures. The suppression of the main background channel, i.e. (p) over barp -> pi(+)pi(-), is studied. Furthermore, the background versus signal efficiency, statistical and systematical uncertainties on the extracted proton form factors are evaluated using two different procedures. The results are consistent with those of a previous simulation study using an older, simplified framework. However, a slightly better precision is achieved in the PandaRoot study in a large range of momentum transfer, assuming the nominal beam conditions and detector performance.

Place, publisher, year, edition, pages
2016. Vol. 52, no 10, 325
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:su:diva-140280DOI: 10.1140/epja/i2016-16325-5ISI: 000391808200001OAI: oai:DiVA.org:su-140280DiVA: diva2:1081565
Available from: 2017-03-14 Created: 2017-03-14 Last updated: 2017-03-14Bibliographically approved

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Makonyi, KarolyPreston, MarkusTegnér, Per-ErikWölbing, Dirk
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