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A polarized He-3 target for the photon beam at MAMI

Nuclear instruments & methods in physics research : A. Bd. 648. H. 1. Amsterdam: North-Holland Publ. Co. 2011 S. 35 - 40

Erscheinungsjahr: 2011

ISBN/ISSN: 0167-5087 ; 0168-9002

Publikationstyp: Zeitschriftenaufsatz

Sprache: Englisch

Doi/URN: 10.1016/j.nima.2011.05.051

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Inhaltszusammenfassung


A polarized He-3 target has been installed for the first time inside the 4 pi Crystal Ball detector at the tagged photon beam of the MAinz MIcrotron (MAMI). It has been demonstrated that the system works reliably and that the polarization losses during handling of the polarized gas are under control. Initial polarization values up to 70% and total relaxation times up to 20 h could be obtained during a first test beam time devoted to the measurement of the double polarized photoabsorption cros...A polarized He-3 target has been installed for the first time inside the 4 pi Crystal Ball detector at the tagged photon beam of the MAinz MIcrotron (MAMI). It has been demonstrated that the system works reliably and that the polarization losses during handling of the polarized gas are under control. Initial polarization values up to 70% and total relaxation times up to 20 h could be obtained during a first test beam time devoted to the measurement of the double polarized photoabsorption cross-section in the Delta(1232) baryon resonance region. (C) 2011 Elsevier B.V. All rights reserved.» weiterlesen» einklappen

Autoren


Krimmer, Jochen (Autor)
Aguar Bartolomé, Patricia (Autor)
Ahrens, Jürgen (Autor)
Altieri, S. (Autor)
Heil, Werner (Autor)
Otten, Ernst-Wilhelm (Autor)
Pedroni, P. (Autor)
Salhi, Z. (Autor)
Thomas, Andreas (Autor)

Klassifikation


DFG Fachgebiet:
Teilchen, Kerne und Felder

DDC Sachgruppe:
Physik

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