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Feasibility studies of time-like proton electromagnetic form factors at P ¯ ANDA at FAIR
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2016 (English)In: European Physical Journal A, ISSN 1434-6001, E-ISSN 1434-601X, Vol. 52, no 10, article id 325Article in journal (Refereed) Published
Abstract [en]

Simulation results for future measurements of electromagnetic proton form factors at P ¯ ANDA (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¯ p→ e+e- is studied on the basis of two different but consistent procedures. The suppression of the main background channel, i.e.p¯ p→ π+π-, 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
Springer Publishing Company, 2016. Vol. 52, no 10, article id 325
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Physical Sciences
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URN: urn:nbn:se:kth:diva-201783DOI: 10.1140/epja/i2016-16325-5ISI: 000391808200001Scopus ID: 2-s2.0-84993939933OAI: oai:DiVA.org:kth-201783DiVA, id: diva2:1075286
Note

QC 20170217

Available from: 2017-02-17 Created: 2017-02-17 Last updated: 2017-11-29Bibliographically approved

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