A multi-detector array for high energy nuclear e+e- pair spectrosocopy

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dc.creatorStiebing, K. E.
dc.creatorde Boer, F. W. N.
dc.creatorFroehlich, O.
dc.creatorBokemeyer, H.
dc.creatorMueller, K. A.
dc.creatorBethge, K.
dc.creatorvan Klinken, J.
dc.date2003-11-03
dc.date.accessioned2026-07-07T10:50:46Z
dc.date.available2026-07-07T10:50:46Z
dc.descriptionA multi-detector array has been constructed for the simultaneous measurement of energy- and angular correlation of electron-positron pairs produced in internal pair conversion (IPC) of nuclear transitions up to 18 MeV. The response functions of the individual detectors have been measured with mono-energetic beams of electrons. Experimental results obtained with 1.6 MeV protons on targets containing $^{11}$B and $^{19}$F show clear IPC over a wide angular range. A comparison with GEANT simulations demonstrates that angular correlations of $e^+e^-$ pairs of transitions in the energy range between 6 and 18 MeV can be determined with sufficient resolution and efficiency to search for deviations from IPC due to the creation and subsequent decay into $e^+e^-$ of a hypothetical short-lived neutral boson.
dc.description20 pages, 8 figures
dc.identifierhttps://arxiv.org/abs/nucl-ex/0311002
dc.identifierhttp://arxiv.org/abs/nucl-ex/0311002
dc.identifierJ.Phys.G30:165-180,2004
dc.identifierdoi:10.1088/0954-3899/30/2/014
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/184641
dc.subjectNuclear Experiment
dc.subjectAstrophysics
dc.subjectHigh Energy Physics - Phenomenology
dc.titleA multi-detector array for high energy nuclear e+e- pair spectrosocopy
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