Astronomy and Astrophysics – Astrophysics
Scientific paper
Mar 2012
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aps..aprh11003h&link_type=abstract
American Physical Society, APS April Meeting 2012, March 31-Apr 3, 2012, abstract #H11.003
Astronomy and Astrophysics
Astrophysics
Scientific paper
The Laboratory for Experimental Nuclear Astrophysics (LENA), which is part of TUNL, houses a gamma-ray spectrometer designed for directly measuring stellar fusion reactions. The detection systems are made up of multiple detectors, taking advantage of multi-photon coincidence counting in order to reduce environmental background. This talk will describe the various methods of coincidence gating and associated Geant4 simulations. A number of examples will be presented and discussed: point source data, in-beam data, and an extended source -- the detection of aluminum-26 in a meteorite fragment.
Champagne Arthur
Howard Christopher
Iliadis Christian
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