Magnetic Moments of Excited Baryons

In project A.3, the reaction γ p → π0γ’p has been studied using the TAPS photon spectrometer in the energy range √s= 1221-1331 MeV. Energy tagged photon beams have been produced with the Glasgow tagging spectrometer from electron beams provided by the MAMI-B accelerator. Angle and energy differentia...

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Main Author: Metag Volker
Format: Article
Language:English
Published: EDP Sciences 2017-01-01
Series:EPJ Web of Conferences
Online Access:https://doi.org/10.1051/epjconf/201713402003
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spelling doaj-f62c030dee59414791fd929944b9fc052021-08-02T02:09:17ZengEDP SciencesEPJ Web of Conferences2100-014X2017-01-011340200310.1051/epjconf/201713402003epjconf_sfbtr2017_02003Magnetic Moments of Excited BaryonsMetag Volker0II. Physikalisches Institut, Universität GießenIn project A.3, the reaction γ p → π0γ’p has been studied using the TAPS photon spectrometer in the energy range √s= 1221-1331 MeV. Energy tagged photon beams have been produced with the Glasgow tagging spectrometer from electron beams provided by the MAMI-B accelerator. Angle and energy differential cross sections have been measured and compared to theoretical calculations. This comparison allows the magnetic moment of the Δ+ isobar to be extracted for the first time to μΔ+ = [2.7+1.3−1.0(stat)±1.5(syst)±3(theo)] μN. In an extension of the A3 project to the meson sector, the time-like transition form factor of the η meson has been measured with the Crystal Ball/TAPS detector system at MAMI-C.https://doi.org/10.1051/epjconf/201713402003
collection DOAJ
language English
format Article
sources DOAJ
author Metag Volker
spellingShingle Metag Volker
Magnetic Moments of Excited Baryons
EPJ Web of Conferences
author_facet Metag Volker
author_sort Metag Volker
title Magnetic Moments of Excited Baryons
title_short Magnetic Moments of Excited Baryons
title_full Magnetic Moments of Excited Baryons
title_fullStr Magnetic Moments of Excited Baryons
title_full_unstemmed Magnetic Moments of Excited Baryons
title_sort magnetic moments of excited baryons
publisher EDP Sciences
series EPJ Web of Conferences
issn 2100-014X
publishDate 2017-01-01
description In project A.3, the reaction γ p → π0γ’p has been studied using the TAPS photon spectrometer in the energy range √s= 1221-1331 MeV. Energy tagged photon beams have been produced with the Glasgow tagging spectrometer from electron beams provided by the MAMI-B accelerator. Angle and energy differential cross sections have been measured and compared to theoretical calculations. This comparison allows the magnetic moment of the Δ+ isobar to be extracted for the first time to μΔ+ = [2.7+1.3−1.0(stat)±1.5(syst)±3(theo)] μN. In an extension of the A3 project to the meson sector, the time-like transition form factor of the η meson has been measured with the Crystal Ball/TAPS detector system at MAMI-C.
url https://doi.org/10.1051/epjconf/201713402003
work_keys_str_mv AT metagvolker magneticmomentsofexcitedbaryons
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