Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001esasp.459..561d&link_type=abstract
In: Exploring the gamma-ray universe. Proceedings of the Fourth INTEGRAL Workshop, 4-8 September 2000, Alicante, Spain. Editor:
Astronomy and Astrophysics
Astronomy
3
Gamma-Ray Background Lines, Nuclear Cross Sections, Gamma-Ray Instruments
Scientific paper
The GGOD software is a suite of Monte-Carlo codes used to simulate the instrumental background noise in space-based gamma-ray telescopes which consists of a continuum with discrete nuclear gamma-ray lines superimposed. Currently, whereas the continuum contribution can be modelled with an acceptable level of accuracy, the reliability of the discrete line estimations is uncertain and requires further evaluation and research. To do this a series of studies have been performed to compare GGOD γ-ray line production results with background line data measured by the TGRS (Transient Gamma-Ray Spectrometer) launched on the WIND spacecraft. These comparisons will allow us to correct the invalid neutron and proton cross-sections and include any missing ones using a literature search for the production rates of isotopes in different materials such as the beam tests. This method should enable us to further validate the GGOD software which will be useful for other gamma-ray astronomy projects.
Dean Anthony J.
Diallo Nene
Ferguson Chantal
Perfect C.
Shaw Sam
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