[edit] Gallium-67. Ga is a gamma emitter. See Gallium scan. Ga is a positron emitter, with a 68 minutes Half-life, produced by elution from 68Germanium.
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en.wikipedia.org/wiki/Radiopharmacology
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What conditions lead to gamma ray emission? What happens during gamma emission? How do we use gamma emitters; How do gamma particles change in the...
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www.epa.gov/rpdweb00/understand/gamma.html
www.epa.gov/rpdweb00/understand/gamma.html
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Both of these elements are weak beta and gamma emitters and cannot send many particles beyond the cover glass of the watch. However, greater quantities of...
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www.flatrock.org.nz/topics/environment/common_radioacti...
www.flatrock.org.nz/topics/environment/common_radioactive_items.htm
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Title:; Astronomical gamma-ray lines predicting probable gamma-emitter nucleosynthesis sites as explosive events Keywords:; Gamma-ray lines, soft x-ray transient outbursts, novae bursts...
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adsabs.harvard.edu/abs/2002BASI...30..305B
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The possibility of creating of a monochromatic gamma emitter of low energy quanta is analyzed. The idea is based on Daning's scheme.
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arxiv.org/pdf/nucl-ex/0409012
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This is made possible by placing the gamma emitter inside a "Microfuge" tube suspended from a LS vial cap into a scintillator fluid containing an electron density increaser. Efficiencies of 71% are obtained for 125I by this method, comparable to that obtained with Nal (TI) crystal gamma counters.
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www.clinchem.org/cgi/content/abstract/19/2/191
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Left side: H.E.S.S. gamma-ray sky map of the Westerlund 2 region, smoothed to reduce the effect of statistical fluctuations. Right side: Significance contours of the gamma-ray source HESSJ1023-575 (corresponding 5, 7 and 9 sigma), overlaid on a radio image from the Molonglo Observatory Synthesis Telescope (MOST).
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www.physorg.com/news89999961.html
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The recent detection of TeV γ-rays from the microquasar LS 5039 by HESS is one of the most exciting discoveries of observational gamma-ray astronomy in the very high energy regime.
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dx.doi.org/10.1088/1742-6596/39/1/106
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The H.E.S.S. (High Energy Stereoscopic System) collaboration reports the discovery of a new type of energetic gamma-ray source, probably related to supersonic winds from massive stars in a young open stellar cluster.
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www.spaceref.com/news/viewpr.html?pid=21809
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