Experimental Search for Solar Axions via Coherent Primakoff Conversion in a Germanium Spectrometer
1998
Results are reported of an experimental search for the unique, rapidly varying temporal pattern of solar axions coherently converting into photons via the Primakoff effect in a single crystal germanium detector when axions are incident at a Bragg angle with a crystalline plane. The analysis of 1.94thinspthinspkgthinspyr of data from the 1thinspthinspkg DEMOS detector in Sierra Grande, Argentina, yields a new laboratory bound by an axion-photon coupling of g{sub a{gamma}{gamma}}{lt}2.7{times}10{sup {minus}9} GeV{sup {minus}1} , independent of axion mass up to {approximately}1 keV . {copyright} {ital 1998} {ital The American Physical Society }
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